The Sandy Bridge Review: Intel Core i7-2600K, i5-2500K and Core i3-2100 Tested
by Anand Lal Shimpi on January 3, 2011 12:01 AM ESTThe Test
To keep the review length manageable we're presenting a subset of our results here. For all benchmark results and even more comparisons be sure to use our performance comparison tool: Bench.
| Motherboard: |
ASUS P7H57DV- EVO (Intel H57) |
| Hard Disk: |
Intel X25-M SSD (80GB) Crucial RealSSD C300 |
| Memory: |
Corsair DDR3-1600 2x4GB (9-9-9-24) Corsair DDR3-1333 4x1GB (7-7-7-20) Corsair DDR3-1333 2x2GB (7-7-7-20) Patriot DDR3-1600 2x4GB (9-9-9-24) |
| Video Card: |
eVGA GeForce GTX 280 (Vista 64) ATI Radeon HD 5870 (Windows 7) MSI GeForce GTX 580 (Windows 7) |
| Video Drivers: |
AMD Catalyst 10.12 (Windows 7) NVIDIA ForceWare 293.09 (Windows 7) ATI Catalyst 9.12 (Windows 7) NVIDIA ForceWare 180.43 (Vista64) NVIDIA ForceWare 178.24 (Vista32) |
| Desktop Resolution: | 1920x1200 |
| OS: |
Windows Vista Ultimate 32-bit (for SYSMark) Windows Vista Ultimate 64-bit Windows 7 x64 |
Special thanks to Corsair for sending an 8GB Vengeance kit for this review:
As well as Patriot for sending an 8GB Viper Xtreme kit:
All of our brand new tests (Civilization V, Visual Studio) use 8GB memory configurations enabled by both Corsair and Patriot.
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vol7ron - Monday, January 3, 2011 - link
I'm also curious if there will be a hybrid P/H type mobo that will allow for OC'ing all components.sviola - Monday, January 3, 2011 - link
Yes. There will be a Z series to be released in the 2Q11.dacipher - Monday, January 3, 2011 - link
The Core i5-2500K was just what i was looking for. Performance/ Price is where it needs to be and overclocking should be a breeze.vol7ron - Monday, January 3, 2011 - link
I agree."As an added bonus, both K-series SKUs get Intel’s HD Graphics 3000, while the non-K series SKUs are left with the lower HD Graphics 2000 GPU."
Doesn't it seem like Intel has this backwards? For me, I'd think to put the 3000 on the lesser performing CPUs. Users will probably have their own graphics to use with the unlocked procs, whereas the limit-locked ones will more likely be used in HTPC-like machines.
DanNeely - Monday, January 3, 2011 - link
This seems odd to me unless they're having yield problems with the GPU portion of their desktop chips. That doesn't seem too likely though because you'd expect the mobile version to have the same problem but they're all 12 EU parts. Perhaps they're binning more aggressively on TDP, and only had enough chips that met target with all 12 EUs to offer them at the top of the chart.dananski - Monday, January 3, 2011 - link
I agree with both of you. This should be the ultimate upgrade for my E8400, but I can't help thinking they could've made it even better if they'd used the die space for more CPU and less graphics and video decode. The Quick Sync feature would be awesome if it could work while you're using a discrete card, but for most people who have discrete graphics, this and the HD Graphics 3000 are a complete waste of transistors. I suppose they're power gated off so the thermal headroom could maybe be used for overclocking.JE_Delta - Monday, January 3, 2011 - link
WOW........Great review guys!
vol7ron - Monday, January 3, 2011 - link
Great review, but does anyone know how often 1 active core is used. I know this is a matter of subjection, but if you're running an anti-virus and have a bunch of standard services running in the background, are you likely to use only one core when idling?What should I advise people, as consumers, to really pay attention to? I know when playing games such as Counter-Strike or Battlefield: Bad Company 2, my C2D maxes out at 100%, I assume both cores are being used to achieve the 100% utilization. I'd imagine that in this age, hardly ever will there be a time to use just one core; probably 2 cores at idle.
I would think that the 3-core figures are where the real noticeable impact is, especially in turbo, when gaming/browsing. Does anyone have any more perceived input on this?
dualsmp - Monday, January 3, 2011 - link
What resolution is tested under Gaming Performance on pg. 20?johnlewis - Monday, January 3, 2011 - link
According to Bench, it looks like he used 1680×1050 for L4D, Fallout 3, Far Cry 2, Crysis Warhead, Dragon Age Origins, and Dawn of War 2, and 1024×768 for StarCraft 2. I couldn't find the tested resolution for World of Warcraft or Civilization V. I don't know why he didn't list the resolutions anywhere in the article or the graphs themselves, however.