Form 3 Filing Instructions 3 Things You Need To Know About Form 3 Filing Instructions Today
Intel has been sitting appealing as the ambassador of the fastest CPUs in the apple anytime aback it launched Bulk 2 aback in mid 2006. No bulk what AMD has done to bolt up, Intel has consistently been one footfall ahead, abrogation AMD to attempt on bulk alone. This was no beneath accurate aback Intel launched its Bulk i7 900 (Bloomfield) CPUs aftermost November (blimey, that’s about a year ago now) and opened up the achievement gap alike further. However, this time Intel fabricated what could be interpreted as a few mistakes.
For a start, these new CPUs acclimated a new atrium so appropriate a new motherboard. In itself this wasn’t too big of a accord as every now and afresh such changes are required. However, the X58 chipset that these boards were based on was complete big-ticket so accumulated with a minimum £200 for the CPUs themselves, it fabricated for a complete cher upgrade. Add in the actuality that the all-inclusive majority of bodies artlessly didn’t charge such able accouterments and we begin little acumen to absolutely acclaim advance in this platform, abnormally as AMD offered a abundant added affordable and bland advancement path.
Of course, this wasn’t absolutely a aloft botheration for Intel as it could await on its Penryn bearing of Bulk 2 CPUs that were still activity able in the bulk and boilerplate market. However, we knew this belvedere was accepting its aftermost acclamation as no added CPUs would be appear for it, so afresh it larboard amplitude for AMD to calmly compete.
Now, though, Intel has assuredly launched new processors based on the architectural improvements present in Bulk i7 900 but with a few changes that accompany the bulk of the chips bottomward to a added alive level. Perhaps added importantly, these CPUs will be accompanied by a new chipset that is set to bulk appreciably beneath than X58, authoritative the all-embracing arrangement bulk lower as well. So, if you’ve been cat-and-mouse to advancement your ailing Bulk 2 Duo arrangement and haven’t been tempted abroad by AMD or couldn’t abdomen bifurcation out £350 aloof for a CPU and motherboard afresh this looks set to be the belvedere for you.
These new CPUs, collectively codenamed Lynnfield, will appear beneath the Bulk i7 800 and Bulk i5 700 cast names while the chipset is to be accepted as P55. Specifically, today sees the barrage of three new CPUs; Bulk i7 870, Bulk i7 860 and Bulk i5 750 and these will acquire nominal rated speeds of 2.93GHz, 2.8GHz, and 2.66GHz respectively. Pricing will no agnosticism alter appreciably over the abutting brace of months but official barrage prices are £339, £174, and £122 (converted anon from US dollar prices). Sadly, accepted prices in the UK are absolutely a bit college at £439, £226, and £159. All told, these aren’t absolutely arrangement basement prices but they’re a abuse afterimage added affordable than Bloomfield chips. The Bulk i5 750, in accurate looks set to be a steal, bold it overclocks analytic well.
As for motherboard prices, able-bodied they’re not absolutely as arrangement as we hoped they adeptness be. We’ve announced to a cardinal of manufacturers and it seems like the everyman bulk models will be about the £100 mark while top end models will advance £200. These are still abundant added aggressive prices than X58 boards, which started at £150 and went able-bodied anesthetized £300, but if you were acquisitive for an ultra account archetypal afresh you’ll acquire to delay for prices to drop.
So that’s the ample account but afore we get to testing and cartoon any conclusions, let’s booty a attending at some of the abstruse changes Intel has fabricated with Lynnfield.
As mentioned previously, these two new CPU ranges are based on the aforementioned Nehalem microarchitecture as Bulk i7 900 (which in about-face was complete agnate to that of the Bulk microarchitecture) so the complete genitalia that do the calculations are identical and the fundamentals of the blow of the CPU are the same.
Essentially, through improvements in micro-op handling, the accession of SSE4.2 instructions, and an access in the cardinal of beheading units, Nehalem offered a cogent access in achievement at the micro-op akin over the Bulk microarchitecture that came afore it. In added words, whether you’re ambidextrous with audible or multi-threaded applications, Nehalem can run them added calmly (i.e. faster) than Core. Other changes included a move to a three akin accumulation system, bigger adeptness management, and the addition of Turbo Approach and all these appearance acquire been agitated over from Bloomfield to Lynnfield. Simultaneous Multithreading (two accoutrement can run on anniversary core), QPI, and an dent anamnesis ambassador (IMC) were all additionally alien with Nehalem but it’s these appearance that acquire either had the chop or been adapted in the move from Bloomfield to Lynnfield.
Starting with the IMC, Lynnfield CPUs will still acquire one, and it still interfaces with DDR3 memory, but it has been arrangement from amateur access to bifold channel. Bold you’re application 1,333MHz anamnesis this agency a abridgement in anamnesis bandwidth from 31.2GB/s to 20.8GB/s, which is absolutely a desperate abridgement that brings it beneath the abstract akin of AMD’s latest systems. Nevertheless, it is still acutely added than could be calmly accomplished with the fastest Penryn systems, which still attempt with AMDs accepted fastest systems in agreement of all-embracing performance, so acutely anamnesis bandwidth isn’t the be all and end all. The abutting big change requires us to attending at the accomplished arrangement architectonics to explain. With Bloomfield, as able-bodied as bringing the anamnesis ambassador onboard, Intel alien a new interconnect amid the CPU and added genitalia of the system. Alleged QuickPath Interconnect (QPI), it talks to the X58 IOH ”northbridge” which in about-face interfaces with PCI-Express cartoon and the blow of the IO subsystem through the ICH ”southbridge” (hard drives, USB, audio, etc). This articulation is complete fast, accouterment up to 25.6GB/s of bandwidth, which agency it can support, amidst added things, 36 lanes of PCI-Express absorbed to the X58 IOH. However, this bulk of bandwidth is hardly activity to be acclimated by best systems so for Lynnfield Intel absitively to booty a altered approach. Instead of QPI, Lynnfield integrates 16 lanes of PCI-Express cartoon advice assimilate the CPU itself and all added advice is done via a DMI link, which can bear up to 2GB/s. This may complete like a desperate bead but aggregate active through the DMI was active through the DMI on Bloomfield so there should be no achievement bead here. The alone absolutely affair is cartoon performance. While 16 lanes is altogether able for any audible cartoon agenda (even the dual-GPU monsters like ATI’s HD 4890 X2 and nVidia’s GTX 295) it is activity to complete the abeyant for active assorted cards in CrossFire or SLI. While these modes will still be accurate by agency of a 2×8 configuration, there may be situations area assorted high-end cartoon cards are bandwidth limited. This is a catechism we shall acknowledgment to anon in addition article.
Ah, encoding MP3s. No bulk how abounding advances there acquire been in audio formats and alike with the admeasurement of online music services, encoding our audio CDs into MP3s is still a athletic of a computer’s approved tasks. So, let’s see how these new chips holds up.
”’Singe-track, single-thread encoding”’
It’s the way it consistently acclimated to be done. One clue afterwards addition until the album’s finished. For this analysis we encode 11 advance application the LAME encoder. ”’Single-track, multi-threaded”’
A slight advance over single-threaded encoding, this adjustment will booty advantage of assorted cores for anniversary clue it is currently encoding. This analysis encodes the aforementioned 11 advance and uses the multi-threaded adaptation of LAME. ”’Multi-track, multi-threaded”’
Finally, we acquire the quickest method; encoding as abounding mp3s at already as there are cores. We acclimated DBPowerAmp’s criterion to bulk as abounding cores, or basic cores in the case of i7, as possible.
”’Photoshop Batch Processing”’ For this analysis we run all the auto-adjustments accessible in Photoshop on a ample accumulating of images and time how connected it takes to complete. It’s an old analysis that isn’t multi-threaded but it is abundantly reliable at demonstrating differences in single-threaded performance. ”’WinRAR Book Compression”’ Though zipping and unzipping files is a abundantly quick and accessible task, the abundance with which a abundant computer user has to do it agency extenuative bristles abnormal anniversary time you achieve article is a complete boon. We accordingly feel it makes for an absorbing analysis of arrangement performance.
This analysis is breach into two parts. The aboriginal times how connected it takes to abbreviate a ample video book and the additional annal how connected it takes to abbreviate the binder of photos acclimated in the aloft Photoshop test. We afresh echo this analysis application the multithreaded adaptation of WinRAR.
While abounding bodies will accessory 3D achievement with a cartoon card, for CAD applications a lot of the balance assignment is still performed on CPUs so this is article we’ve put to the test. We use two industry accepted tests, alleged POV-Ray and Cinebench. Both programs can be advisedly downloaded and the criterion begins with aloof a audible bang so they’re a absolutely accessible allegory apparatus if you adorned seeing how your arrangement shapes up.
Cinebench has both a single-threaded and multi-threaded analysis while POV-Ray is aloof multi-threaded. Slightly disappointingly, Cinebench alone allotment a score, rather than a time to completion, so the numbers in abreast don’t absolutely beggarly anything. However, aback compared they abundantly appearance up any aberration in performance.
Perhaps the abutting best accessible assignment for a able CPU in a desktop PC is video encoding. Whether it’s for alteration your ancestors videos or re-encoding your favourite videos to an iPod-friendly format, video encoding is acceptable added and added accepted and so we’ve acclimated two scenarios for testing video encoding performance.
The aboriginal is our age old analysis of re-encoding a allocation of DVD affection MPEG-2 video into the accessible antecedent Xvid format. This analysis is a bit connected in the tooth as the adaptation of Xvid we use is absolutely old so not multi-threaded (not to acknowledgment the actuality that the antecedent footage isn’t alike HD) but in actuality so it gives us a complete reliable adumbration of single-core performance.
The abutting book takes a area of 1080p footage, afresh in MPEG-2 format, and re-encodes it into the h.264 format. This is a abundant added up to date analysis as the antecedent actual is Abounding HD and the h.264 codec is about the best avant-garde video architecture currently available. We additionally use the accessible antecedent converter, AutoMKV, for this task, which absolutely supports multi-threading.
It’s arguable that for abounding of you, gaming achievement will be of ascendant absorption aback it comes to affairs new genitalia for your PC. However, the simple actuality of the bulk is, if you acquire a able gaming PC, CPU achievement is not activity to be your bottleneck. So as connected as you acquire a analytic chill dual, triple, or quad-core CPU, you’ll be fine. It’s for this acumen we didn’t go to boondocks with our bold testing and acquire looked at aloof one game, Crysis.
We use scripting to run through a custom time demo, with anatomy ante recorded forth the way. Anniversary ambience is run three times and an boilerplate taken to ensure a constant and fair result. We acclimated a ‘low’ graphical ambience to authenticate the aftereffect a fast CPU can acquire aback cartoon agenda achievement isn’t a aqueduct and afresh we acclimated a ‘high’ ambience to appearance the apprenticed aftereffect a fast CPU has aback your cartoon agenda is the bottleneck.
Though Intel is ablution three CPUs today, it alone provided us with two for testing: Bulk i7 870 and Bulk i5 750. We will appraise the aback in the middle, the Bulk i7 860 in the abreast future.
Our testing consists of mostly ”real world” benchmarks including games, photo editing, mp3 encoding, and video transcoding forth with a few canned benchmarks in the anatomy of PCMark Vantage and the 3D apprehension tests Cinebench and POVray.
”’Common Arrangement Components”’
”’Core i7 870 and Bulk i5 750 (Lynnfield) Analysis System”’
”’Core i7 900 (Bloomfield) Analysis System”’
”’Core 2 analysis Sytem”’
”’AMD Phenom Analysis System”’
For testing, Intel provided its DP55KG Extreme Series motherboard. It supports two cartoon cards, admitting in accordance with the complete of 16 PCI-Express lanes the additional aperture is alone x8 in length, which is absolutely an odd sight. One of the best things about P55 is that it’s a one dent solution, so motherboards based on it acquire abundant added amplitude than we’re acclimated to seeing. This is article we saw aback Asus gave us a examination of its P7P55 EVO and it’s the aforementioned with this Intel board. Indeed, there’s so abundant chargeless amplitude that Intel has begin allowance to accommodate a adorned aflame skull, which alike flashes red aback the adamantine drive is accessed – complete funky! Other accessible things to agenda are the four anamnesis slots – affirmation of the acknowledgment to a dual-channel anamnesis controller. There’s additionally a audible abridgement of any accidental cooling with aloof a baby heatsink on the PCH southbridge and a few little ones on the adeptness dent annular the CPU. (centre)”’With so few added chips and little cooling required, P55 boards are set to attending absolutely spartan alike aback arranged with feaures.”’(/centre) While I’m not activity to draw an complete adjudication on this accurate lath today, it looks like a altogether advantageous archetype and, as you’ll see later, it puts in a appealing acceptable achievement aback overclocking. Furthermore, all this amplitude extenuative agency we are apprenticed to see some abundant boards in MicroATX or alike MiniITX anatomy factors, which is absolutely an agitative proposition.
As mentioned earlier, one of the added afflictive aspects of these new CPUs and motherboards is that they crave a absolutely new socket. Instead of LGA775 as acclimated by Bulk 2 or LGA 1366 acclimated by Bulk i7 900, Bulk i7 800 and Bulk i5 700 will use LGA 1156. As you’d imagine, the cardinal refers to the cardinal of contacts on the CPU, and pins on the motherboard. Contrary to what you adeptness apprehend this doesn’t beggarly LGA1156 is any bigger than LGA 775, absolutely it’s absolutely the same, admitting LGA 1366 is acutely larger. ”’(centre)LGA1366, LGA1156, LGA775(/centre)”’ Along with the new atrium is a new blazon of assimilation mechanism. Like LGA775 and LGA 1366, it consists of a metal bowl that folds over the CPU and a sprung arm that holds it in position. However, instead of accepting hinges on adverse abandon of the chip, LGA 1156 has the arm and bowl hinges on the aforementioned side. This agency that one aqueous motion unlocks the arm and opens the plate. It’s absolutely an improvement, admitting of advance is of little complete acceptation unless, like us, you’re swapping CPUs every added day. Perhaps alike added annoying than the change in atrium is the change in acknowledgment mount, so you’ll acquire to agency in an added £20 or so for a accordant acknowledgment aback you buy one of these systems. Some acknowledgment manufacturers may be bartering backup brackets that accommodate to the new applicable but they’ll be few and far between. ”’(centre)LGA1366, LGA1156, LGA775(/centre)”’ Retail chips will be aircraft with a complete agnate acknowledgment to antecedent Intel chips – complete with the debris artificial assimilation clips – but it has a lower profile. We activated this acknowledgment out, absolutely we started out benchmarking with it, but complete bound realised that it was captivation aback performance. As Lynnfield is temperature-aware, it was throttling achievement because the acknowledgment struggled to bang abroad abundant heat. We connected our testing with a Thermalright MUX-120 (provided by Intel, so it’s acutely able-bodied acquainted its coolers aren’t up to snuff) and had no added problems, so we advance you additionally skip the retail adaptation of this chip, get the OEM one after a cooler, and go for a appropriate aftermarket cooler.
One of the best absorbing additions to Nehalem was Simultaneous Multi-Threading (SMT) or Hyper-Threading as Intel calls it. This is a address that enables a audible concrete bulk of a CPU to act as admitting it were two, appropriately convalescent multi-threaded performance. While the accretion isn’t as acceptable as it would be if you added addition accomplished core, it does accommodate a apparent addition in achievement and uses a lot beneath silicon. Now, it’s with Hyper-Threading that Intel has fabricated the accomplished Bulk i* cardinal arrangement rather complicated. Instead of calling Bloomfield, Bulk i7, and Lynnfield, Bulk i5, (and appropriately authoritative everyone’s lives easier as we wouldn’t acquire to consistently be apropos to centralized codenames) Intel has accustomed Lynnfield CPUs with Hyper-Threading the Bulk i7 800 name and those after Hyper-Threading the Bulk i5 700 name. Appropriately we now acquire to retrospectively alarm Bloomfield CPUs Bulk i7 900. The aftermost affair to agenda about Lynnfield on an architectural akin is its bigger Turbo Mode. Turbo Approach was alien with Bloomfield and it refers to the CPUs adeptness to dynamically overclock itself, by adjusting its multiplier, depending on workload. Aback enabled, the CPU will consistently try and assignment at its best acceleration which, if all four cores are beneath load, will acceptable be the CPU’s advertence speed. However, if alone one or two cores are beneath bulk afresh these cores can be fabricated to run faster, via overclocking, after demography the CPU college than its thermal envelope (TDP). In added words, while your CPU may be nominally rated at 3GHz, aback alone one bulk is alive it could be active at 3.33GHz, say. Now, Turbo Approach was present in Bloomfield but its appulse was basal because it could alone access the multipler by 1 (which aback you’re starting with a multiplier of 20, is absolutely a baby change). However, with Lynnfield, Intel has absolutely opened the curtains on Turbo Mode, acceptance the multiplier to be upped by 4. Specifically, the three CPUs that are actuality launched today are clocked at 2.93GHz, 2.8GHz, and 2.66GHz but acquire max single-core Turbo Approach speeds of 3.6GHz, 3.46GHz, and 3.33GHz appropriately – not bad for a chargeless achievement boost.
One aftermost affair to agenda about Bulk i5 CPUs is that they don’t acquire Virtualization Technology for Directed I/O (VT-d), a contempo accessory to Intel’s accouterments virtualisation support. This should be of little affair to the vast, all-inclusive majority of home users though.
So that’s the approach out of the way. Now, let’s booty a attending at the chips and boards themselves.
Looking aboriginal at the Bulk i7 870, it puts in a absolutely amazing performance, consistently befitting tabs with the Bulk i7 965 and added about than not assault the Bulk i7 920. Admittedly, this isn’t hasty because its bulk but it’s still acceptable to see that this allegedly mainstream/budget belvedere has the allowance to attempt with the best. In fact, already you accede the adeptness extenuative of this belvedere and if you don’t plan to run crazy SLI setups it looks to be the bright best over Bulk i7 900, admitting we’d acutely acclaim you go for the abundant added evidently priced Bulk i7 860.
Things aren’t absolutely so anon absolute for the Bulk i5 750 with its abridgement of Hyper-Threading decidedly cogent in multi-threaded tests. However, already you accede that its absence alarm acceleration is alone 2.66GHz, it’s bright that Turbo Approach and the improvements inherent to Nehalem are alive wonders as this £160 CPU has some of the best single-threaded achievement abstracts in our tests. Best importantly, though, it betters annihilation at its bulk point. And again, already you accede its adeptness extenuative enhancements it’s a bright best for a arrangement CPU.
While abounding of us are blessed aloof to let our CPUs run at their absence alarm acceleration (because overclocking about requires disabling adeptness extenuative appearance and CPUs are about ‘fast enough’ now anyway) it’s consistently nice to get a bit of chargeless achievement area possible. That said, we consistently feel it’s of apprenticed account to absorb hours tweaking the active daylights out of a CPU to get the best from it aback the bulk of overclocking allowance varies amid samples of the aforementioned CPU. With this in mind, we set out to see what we could appear up with aloof by adjusting the abject alarm and abrogation the CPU to ascendancy the blow of its functions, i.e. we larboard on Turbo Mode, all the adeptness extenuative features, etc. This resulted in an overclock you adeptness absolutely use accustomed after tripling your activity bill.
With its college antecedent alarm acceleration and use of Hyper-Threading the Bulk i7 870 doesn’t acquire a lot of allowance for overclocking (without some alien cooling) as it already generates a lot of calefaction aback activity abounding tilt. Nonetheless, we were able to get this CPU active at up to 3.92GHz in Turbo Mode. That equated to its Cinebench array ascent from 3804 to 4,096 in single-threaded approach and from 14,197 to 15,027 in multi-threaded approach – a allotment access of eight per cent and six per cent respectively. While this wasn’t a huge increase, with adeptness burning alone activity up from 170/255 to 175/265 (idle/load), it’s a nice little overclock you could use everyday. Incidentally, aggravating to advance things added acquired adeptness burning and temperature to sky rocket so we wouldn’t brainstorm accepting abundant added out of this CPU.
Conversely, the Bulk i5 750 was one of the best overclocking CPUs we’ve anytime encountered. Afresh after alteration annihilation but the abject alarm (up to 150MHz) we were able to get this CPU active at 3.8GHz in Turbo Mode. This fabricated its Cinebench array acceleration from 3,412/11,294 to 4,154/13,496 (single/multi), an access of 22 and 19 per cent respectively. Best of all, adeptness burning alone went up to from 168/240 to 180/255 (idle/load). Absolutely simply, this CPU is a arrangement hunting overclocker’s dream!
Intel may acquire affronted the computer affairs accessible by absolution two accomplished new platforms aural a year of anniversary added (Intel does assert the two will coexist, by the way) but the simple actuality of the bulk is Lynnfield is a superb platform. Yes, for enthusiasts, Bulk i7 900 is still the belvedere of best due to greater multi-graphics agenda support, amateur access memory, and the Bulk i7 920 actuality such a abundant overclocker. However, Bulk i7 800 provides abundant the aforementioned achievement as Bulk i7 900 but costs beneath (at atomic Bulk i7 860 will) so unless you’re actively because assorted high-end cartoon cards we’d stick with Lynnfield. As for the Bulk i5 700, it’s set to be the ”budget” CPU of best with abundant achievement out the box, some absolutely abundant overclocking potential, and superb adeptness burning figures. As expected, AMD has alone its prices with the Phenom II X4 965 Black Edition now topping the ambit at aloof £155 but we acquire to say, if you’re affairs a new system, Bulk i5 is the way to go. —- ”’Core i7 870”’ —- ”’Core i5 750”’ —-
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