You are, no doubt, in actuality accustomed with Intel's CPU-release "cadence" of alarm by now. If not, the abbreviate adventure is that every tock brings a above breakthrough, while ticks are appropriate upgrades but annihilation to Twitter home about. hat's not necessarily the case with Intel's latest tick, the Ivy Bridge CPU. Sure, the achievement enhancements on the x86 ancillary of the alley will not in actuality beating you on your tuchus, but they're still decent. The upgrades to the cartoon core, however, accomplish Ivy Bridge added noteworthy.
As we know, Intel begin adoration through cartoon and has been progressively convalescent on it anytime since. The Clarksfield CPUs confused cartoon anon into the CPU package, and Sandy Bridge CPUs confused cartoon anon assimilate the CPU die itself. With Ivy Bridge, Intel says it outdid itself by acceleration the cartoon achievement of Sandy Bridge.
If you're accessible to address off Ivy Bridge as an incremental dent that you, the enthusiast, doesn't accord a abuse about, you're wrong. There's a lot added to Ivy Bridge that makes it the absence CPU for an enthusiast who doesn't wish to jump into the bigger, pricier LGA2011 socket. Don't acquire us? Read on to acquisition out why you wish this CPU instead of Sandy Bridge.
Meet the Ivy Bridge Lineup
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World's Aboriginal Dent with ‘3D' TransistorsDespite its advocate tri-gate design, Ivy Bridge doesn't do abundant to beforehand x86
We've connected dubbed Intel the "Master of the Fab." The company's accomplishment in dent artifact is the backbiting of the world. Yeah, there was that little affair with the Pentium 4, which hit the action bank like a bales train, but for the a lot of part, Intel's ability of dent artifact has consistently fabricated its new CPUs a bout de force of technology that makes you admiration if the aggregation doesn't acquire a comatose aerial saucer hidden at 2200 Mission College Boulevard.
With Ivy Bridge, Intel afresh amazes with the world's aboriginal use of tri-gate, or 3D, transistors. Aswell alleged finFETs, for fin field-effect transistors, the 3D transistors in actuality acceleration up off of the die to badly abate ability burning while accretion performance.
In a adequate collapsed transistor, accepted flows on a collapsed apparent like a river. A gate, which evidently controls that flow, lies beyond the top of that river with acquaintance alone forth a baby surface. With a finFET, or 3D tri-gate, the breeze of ability spans a fin that juts from the surface. Instead of just contacting the apparent forth one dimension, the aboideau encircles it and makes acquaintance on three sides.
Intel says this gives it far greater ascendancy of ability and enables it to drive the arresting harder while abacus alone a baby bulk to the body cost. Despite accepting agnate architectural underpinnings to Sandy Bridge, Ivy Bridge should accommodate bigger achievement while arresting decidedly beneath ability than an agnate SB processor. So far, that seems to be animadversion out. A archetypal achievement Sandy Bridge chip, such as the 3.4GHz Bulk i7-2600K is rated at 95 watts. The new 3.5GHz Bulk i7-3770K is rated at 77 watts. And those are higher-performing processors. The affiance of tri-gate should pay even added assets at lower ability thresholds. Right now, Intel is alone account its quad-core parts. Dual-core CPUs haven't been appear yet but we'll be analytical to see how aggressively Ivy Bridge performs in notebook.
Ivy Bridge isn't just a action story, though. It's about befitting the chains moving. If, afterwards all this investment in 3D transistors, the accursed CPU isn't any faster, no one would affliction if it were fabricated out of the purist ablaze samite. Fortunately, that isn't the case, which you can see in the blueprint on the third page. But first, let's breach it down two ways: Even Intel says Ivy Bridge isn't a big footfall advanced for authentic x86 performance, as it's abundantly a die compress of the Sandy Bridge core. The accumulation charcoal the aforementioned and the abject clocks are similar. Area Ivy Bridge appears to acquire an bend in x86 achievement is in its lower ability envelope. As you know, Intel about overclocks, or "Turbo Boosts," the dent based on how abundant ability it's bistro and how hot it's running. So if a dent can run acknowledgment and absorb beneath ability than its counterpart, it can run at a college turbo alarm for longer.
Where Intel seems to acquire put a lot of of its focus this time is in the GPU side. In fact, Intel says it has accomplished about a acceleration of the cartoon achievement over the Sandy Bridge processors. The advance is adequate abundant that the aggregation says Ivy Bridge processors are able of arena 100 amateur out of the box while Sandy Bridge could alone play 50. Detailed advice about Ivy Bridge's cartoon capabilities is on the added page, but answer to say, it's acutely better. Is it abundant to abandon a detached GPU?
For assertive uses-such as an HTPC or all-in-one PC that will not be acclimated primarily as a gaming machine, yes. Of course, anthology users will aswell be admiring to get added cartoon achievement from the newer Ivy Bridge parts.
OverclockingWith Ivy Bridge, Intel maintains the "K" versions that it alien with its Lynnfield procs and connected on with Sandy Bridge. Like Sandy Bridge, Ivy Bridge isn't badly advanced of bclock, or abject clock, overclocking. Intel says the a lot of you should apprehend is a 7 percent bclock nudge afore things go sideways. Instead, overclocking will abide to await on advancement the Turbo Boost or alarm ratios. Intel has added Ivy Bridge a bit by accretion the best bulk arrangement overclock from 59 on Sandy Bridge to 63. Ivy Bridge aswell now lets you change the bulk ratios in absolute time. Cartoon abutment a greater ambit for overclocking, too, and Ivy Bridge will let you run the RAM up to DDR3/2667 through overclocks (DDR3/1600 is the official speed.)
CompatibilityWe've connected railed adjoin Intel for absolution new sockets with new CPUs (remember the brief Atrium LGA1156 and Atrium 423 and abundant LGA775 versions?), but the aggregation has stepped up to the bowl for the Sandy Bridge-to-Ivy Bridge transition. As Intel promised, a lot of LGA1155 boards will abutment Ivy Bridge procs if the firmware and BIOS are adapted to abutment the dent by the lath maker. However, not all chipsets will accomplish the Ivy Bridge cut. Intel has carefully larboard out abutment for the business chipsets Q65, Q67, and B65 while acknowledging customer H61, H67, P67, and Z68. Why leave some out? Intel believes the day of an IT boutique accepting down and bedraggled and advance processors in an office-drone PC are connected gone, so there's just no acumen to expend the assets on accidental support. Besides accepting the latest bulk technology from Intel, switching to Ivy Bridge on earlier 6-series boards should aswell accord you PCIe 3.0 abutment on some slots.
Ivy Bridge vs. Sandy Bridge: Beneath the SurfaceThe 22nm-based Ivy Bridge processor is appreciably abate than its predecessor. It has about 400 actor added transistors yet is about 25 percent smaller. What's added interesting, however, is how abundant absolute acreage is committed to anniversary assignment on the new Ivy Bridge vs. Sandy Bridge. These die shots (not to scale) appearance that the about 2x achievement bang in cartoon comes at the amount of die space. Intel, however, discounts any criticism apropos how abundant accent it placed on cartoon over x86 functionality and says just because it looks like added amplitude was expended on cartoon doesn't beggarly it's added important. Um, OK.
Sandy Bridge
Ivy Bridge
Conspiracy theorists, unite: If you're one of the tin-foil hat wearers (this agency you, Nathan Edwards) who was in actuality assertive Intel was aggravating to balance USB 3.0 in adjustment to advance Thunderbolt, the new Z77 chipset puts your suspicions to rest. The Z77, you see, assuredly brings built-in USB 3.0 abutment to the apple of Intel. Why all the fuss over built-in support? First, it cuts the amount of a board, slightly, aback the lath maker has one beneath dent to supply. Generally, achievement and affinity of dent USB 3.0 tends to be better, too. Finally, built-in abutment agency USB 3.0 in just about every new PC traveling forward. That agency added accessories and lower costs, which, as Admiral Kirk says, is bigger for me, bigger for you, and (pause) bigger for them.
Native USB 3.0 will not extend to all ports on a motherboard, though. The Intel PCH supports up to four USB 3.0 ports, so on motherboards that action added than that, it'll be a mix of USB 2.0, Intel USB 3.0, and third-party USB 3.0 support. On the Gigabyte GA-Z77X-UD5H that we used, for example, it had four USB 3.0 ports on aback with an added three USB 3.0 headers. This was done by appliance the Intel chipset abutment and a detached ambassador from VIA.
Beyond USB 3.0, the 7-series chipsets is a adequately incremental update. SATA support, for example, is the aforementioned weak-sauce mix of two SATA 6Gb/s and four SATA 3Gb/s. If we alarmingly asked why not all 6Gb/s ports? Intel threw it aback in our face by adage that astern affinity with the 6-series boards was important to accumulate costs down on the 7-series boards. And aback we're consistently whining about astern compatibility, isn't that important? Well, yes-but this is the endure time, Intel. The 5-series, 6-series, and now 7-series acquire all aggregate the aforementioned SATA 6Gb/s configuration, so we bigger not see the 8-series with it, too.
Other key differences amid 7-series and 6-series are abutment for three displays appliance Ivy Bridge's cartoon chip, and of course, abutment for both Sandy Bridge and Ivy Bridge chips out of the box. Is there a achievement difference? Frankly, no. For our tests, we acclimated a Gigabyte GA-Z77X-UD5H board, aboriginal with the Bulk i7-3770K, which we afresh swapped out for a Bulk i7-2600K. We afresh re-ran our benchmarks and compared them to our Z68/2600K numbers. The difference? Nada, added than the weird, ambiguous bogies we had with a brace of benchmarks. The two, frankly, are about indistinguishable. Even the Intel USB 3.0 abutment didn't prove to be above to any of the detached USB 3.0 chipsets we've seen. So if you're because whether to move from Z68 just to upgrade, we don't acclaim it. However, if you're architectonics a new box on an Ivy Bridge processor, we'd body on Z77 just to acquire the latest chipset.
Ivy Bridge GraphicsIt's what everyone's been cat-and-mouse for. Does Intel deliver?
We're all Charlie Browns if it comes to Intel graphics. Intel, of course, is Lucy, affairs the cartoon eye-candy football abroad afterwards able that this time will be different. Once again, Intel is able that this bearing of the GPU congenital into the accessible Ivy Bridge 22nm CPU will be different. Honest!
Several years ago, Intel promised to acceleration up its cartoon bulk by 10x per generation-and that 10x speedup would alpha with Ivy Bridge. With Ivy Bridge about aloft us, it's account diving in to its centralized architectonics to acquire what's absolutely changed.
Based on what we apperceive about DirectX 11 compute shaders and the OpenCL 1.1 implementation, it looks like Intel's new GPU is accepting a appealing able-bodied set of compute-capable shaders. That's an auspicious sign, as is abutment for accouterments tessellation.
Those are the gross differences. Internally, the GPU has been redesigned from the arena up. The GPU is abstracted into 5 domains. The all-around asset breadth takes affliction of geometry. It includes geometry, vertex, and bark shaders, additional the tessellator. Setup is aswell in this section. The consistent achievement is fed into the cilia celerity engine to the beheading units (EUs), which do a lot of the abundant lifting. Afterwards the EUs are done, the cede area takes over.
Intel's accouterments arrangement engine is fixed-function, but can acquire altered cues for ambience the all-embracing akin of tessellation. The EUs acquire been beefed up, with anniversary EU alms 2x the achievement per watt of Sandy Bridge. The higher-end HD 4000 has 16 EUs, up from 12 on Sandy Bridge's GPU. Intel aswell added an L3 accumulation to the GPU, which improves all-embracing throughput, aback abstracts doesn't charge to be fed to the GPU from the ring bus as frequently. This aswell saves on all-embracing power.
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One of the key performance-enhancing appearance is co-issue of instructions to beheading units. Sandy Bridge accurate this on some operations, but Ivy Bridge extends this to abounding added operations.
How does this affect absolute achievement with PC games? We ran a few tests on actual aboriginal drivers. What we saw was absolutely encouraging.
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Even with aboriginal drivers, we're seeing about a 25 percent or bigger access with 3D games. You'll still charge to cede some detail levels, but you'll get adequate achievement in all but the a lot of bleeding-edge games. Titles like StarCraft II, Civilization V, Modern Warfare 3, and Portal 2 will apparently run fine, if you're accommodating to punch aback resolution, about-face off AA, and run at average or lower detail levels. It's apparently best to beacon abroad from awful ambitious titles, though, such as Deus Ex: Human Revolution or The Witcher 2.
Note that 3DMark 2011 in actuality runs, giving bright affirmation that Ivy Bridge is absolutely DirectX 11 compliant. That's not a big score, but the actuality of the account is encouraging. As with Sandy Bridge, Ivy Bridge includes a dedicated, fixed-function video encoder. Intel is claiming a about 2x encode advantage over Sandy Bridge, but that will depend on the appliance and workload. We saw alone a 6 percent accretion over Sandy Bridge if encoding an HD video book for iPhone appliance CyberLink's Media Espresso 6.5 (295 abnormal for Ivy Bridge adjoin Sandy Bridge's 311 seconds.) Encoding achievement is acceptable to be bigger with stereoscopic content, for example.
Finally, the new GPU, in affiliation with motherboards appliance Intel's 7-series chipsets, will abutment up to three accompanying displays. As with Sandy Bridge, DVI abutment will be bound to individual hotlink only, but that will alone affect a scattering of users with earlier 30-inch monitors. Abounding bandwidth abutment for actual top resolutions will be accessible through DisplayPort 1.2 or HDMI 1.4a.
Overall, Ivy Bridge's cartoon are acutely better. Desktop users who are approved PR gamers will absolutely wish to stick with their admired detached cartoon card, but owners of Ivy Bridge ultrabooks ability be able to get a reasonable gaming fix now-provided the assemblage is congenital with the HD 4000. It's absurd that the HD 2500 will be abundant use for gaming.
Ivy Bridge vs. the BenchmarksNew kid proves itself to be the new accepted bearer
For our testing, we acclimated a Gigabyte GA-Z77X-UD5H motherboard appliance the new Z77 "Panther Point" chipset. To this, we added a 3.5GHz Bulk i7-3770K and installed a beginning archetype of 64-bit Windows 7 Professional forth with 8GB of DDR3/1600, a GeForce GTX 580 card, and a 150GB Western Digital Raptor. For benchmarks, we accomplished for the aforementioned set of mostly CPU-dependent benchmarks that we've acclimated to analysis the endure few circuit of processors.
For absolute comparisons, we absitively to pit the new 3770K adjoin the Bulk i7-2600K and Bulk i7-3820. Why not the Bulk i7-2700K, which is the aforementioned alarm as the Bulk i7-2600K? First, there's but a 100MHz aberration amid the Bulk i7-2600K and the new Bulk i7-3770K and both are priced the same. The Bulk i7-2700K has consistently been a bit of an odd avoid allotment to us. You pay $25 over a 2600K and absolutely alone get 100MHz added megahertz. Why bother? Obviously, the LGA2011 Bulk i7-3820 can't be activated in the aforementioned lath as Bulk i7-3770K, so we acclimated our old standby: the Asus P9X79 Deluxe.
For reference, we aswell included in our blueprint the achievement numbers of the Bulk i7-3960X, AMD's octo-core FX-8150, and the archetypal Corei7-990XE "Gulftown." While the endure two platforms aswell had to use altered motherboards, we approved to adapt as abundant as accessible by clocking the RAM the aforementioned and appliance the aforementioned cartoon cards and drivers.
The analysis apartment includes aggregate from 3D clay tests, to video alteration and video transcoding, to several constructed benchmarks and a few gaming tests with the resolutions cranked down low abundant to yield the cartoon agenda out of the equation.
While we included six-core and eight-core processors in the chart, this is absolutely about Intel's quads. Three scenarios appear up: Do you buy a Sandy Bridge or Ivy Bridge for your new build? Should you advancement from your Sandy Bridge to Ivy Bridge? Should you just bypass Ivy Bridge for Sandy Bridge-E or a hexa-core chip?
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Let's dig into the numbersWhen we attending at all three cloister cores it's bright that Ivy Bridge has a achievement advantage over the Sandy Bridge allotment in just about every benchmark. Beyond the board, we about saw from 5 to 15 percent in favor of the Ivy Bridge. In fact, the alone abode area Ivy Bridge was slower was in 3DMark's GPU analysis and Dirt 2. Why? Frankly, we don't know. We in actuality accepted the array to be adequately close, with Ivy Bridge hardly advanced of the pack, but for abstract affidavit it was slower in these tests. Even added baffling, an exact alike of our agreement at Gigabyte HQ put the numbers area they should acquire been. What's traveling on? We're not sure, as we swapped every basic accessible in an attack to acquisition out area the abecedarian was but could not basis it out.
Despite these two anomalies, it's appealing bright that Ivy Bridge is faster over the analogously priced Sandy Bridge part. The absolute shocker was its competiveness with the Bulk i7-3820 in some benchmarks. We anticipation the Bulk 7-3820's abject alarm advantage of 200MHz and quad-channel anamnesis would put it in front, but that wasn't consistently the case. In some benchmarks, the Bulk i7-3770K was advanced by a small, but assessable allowance of 3 to 6 percent.
One absorbing criterion to appraise actuality is the Cinebench 10 Individual Bulk test. That's area we acquire Cinebench 10 cede runs alone on a individual bulk instead of beyond all cores. This is apparently the best adumbration of how able Ivy Bridge's cores are adjoin the altered ancestors of chips here: Sandy Bridge, Westmere, and Bulldozer. It's just no contest. Ivy Bridge's bulk is about 15 percent faster than Sandy Bridge's, 9 percent faster than Sandy Bridge-E's, 34 percent faster than Westmere's and an absurd 73 percent faster than Bulldozer's here. Don't anticipate that gives Ivy Bridge a absolute bend over the big boys, though. Despite anniversary bulk getting faster, added cores still amount if your appliance uses them. Even the age-old Bulk i7-990XE has an bend over the Bulk i7-3770K in abounding of our multithreaded benchmarks. We will be honest, though-the allowance isn't as abundant as we would acquire expected.
But let's get aback to our questions: Do you buy a Sandy Bridge or Ivy Bridge for your new build? This one's easy. Ivy Bridge, my friend. With the amount of 2600K and 3770K in actuality the same, there's absolutely no acumen to buy a 2600K unless you're bound by your motherboard's abutment for it.
Should you advancement from your Sandy Bridge to an Ivy Bridge? No. It would be absurd to anticipate that just because Ivy Bridge is actuality your Sandy Bridge dent is a section of junk. The alone acumen we could see advance is if you're advancing from a lower-end, bound Sandy Bridge dent or charge bigger dent graphics, but otherwise, Sandy Bridge has affluence of activity larboard in it.
Should you just bypass Ivy Bridge for Sandy Bridge-E or a hexa-core chip? That catechism can't be answered by us. It has to be answered by your accretion needs. While we anticipate Ivy Bridge is a hell of a chip, it's not faster than a hexa-core, even an earlier one, on thread-heavy tasks like 3D apprehension and modeling, video encoding, and added agreeable conception jobs. We still acclaim that if you compute for a living, appliance thread-heavy tasks, it's account the amplitude for a hexa-core dent such as the Bulk i7-3960X or Bulk i7-3930K. All that aside, we anticipate the Bulk i7-3770K is the new baron of the midrange. Yes, it's harder to acquire the aforementioned activity we had if the Bulk i7-2600K aboriginal accustomed and wiped the attic with all added CPUs, but you shouldn't abatement Ivy Bridge. It's fast, it's cheap, and it's cool. What added could you ask for?
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