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Intel Core i5-2500K Sandy Bridge CPU E-mail
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Written by Hank Tolman   
Monday, 03 January 2011
Table of Contents: Page Index
Intel Core i5-2500K Sandy Bridge CPU
Features and Specifications
Closer Look: Core i5-2500K
CPU Testing and Results
AIDA64 Benchmark Tests
Passmark PerformanceTest
PCMark Vantage Benchmark Tests
SiSoftware Sandra Tests
Cinebench R11.5 Benchmarks
Street Fighter IV Benchmark
x264Bench HD 3.0 Test
Sandy Bridge Final Thoughts
Intel Core i5-2500K Conclusion

Passmark Performance Test

PassMark Performance Test is a PC hardware benchmark utility that allows a user to quickly assess the performance of their computer and compare it to a number of standard 'baseline' computer systems. The Passmark Performance Test CPU tests all benchmark the mathematical operations, compression, encryption, SSE, and 3DNow! instructions of modern processors.

In our tests there were several areas of concentration for each benchmark, which are combined into one compound score. This score is referred to as the CPU Mark, and is a composite of the following tests: Integer Math, Floating Point Math, Find Prime Numbers, SSE/3DNow!, Compression, Encryption, Image Rotation, and String Sorting. For this review, we've also decided to run the memory benchmark, which results in a composite score based on the following tests: small block allocation, cached read, uncached read, write performance, and large block allocation.


In the Passmark tests, the Intel Core i5-2500K once again outperforms its AMD rival, the Phenom-II X4-975BE and this time by almost 9% in the CPU tests. In the memory tests, the gains are closer to 38%. This is likely due, at least in part, to the integration of the memory controller onto the die for the Sandy Bridge CPU. This will allow faster communication with the memory. The same memory was used for both systems. The only system with different memory, the X58 system, outperforms the Core i5-2500K by about 12% in the CPU tests and 14% in the memory tests.



# GamerKyle 2011-01-06 20:39
I agree with the that every new line of processors comes with new motherboards. To me this is quite silly and I wish that they would not do as such. It is also a fault when Intel is placing quite the restriction on overclocking even with the K models.

Either way I am most likely going to get the i5 2500k since it is very strong. Also the price is rather cheap at $211 when currently the i5 750 is $200 and the i5 760 is about $209 dollars. Since I did not upgrade following the first i series I would need to get a new motherboard anyway.Integrated graphics means little to me since as a gamer I would get a higher end GPU regardless. I just have to make sure the motherboard is p67 not H67 for overclocking and such.

Anyway nice read, thanks for the article.
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# MrJMG 2011-02-23 14:57
If the p67 motherboards do not use the GPU on these new chips does that mean the GPU potential goes to waste I.e. If it were to make use of it, then in a standard system would you have, in effect, two graphics cards (with the intel HD GPU plus whatever other dedicated graphics card you use working together)?
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# RE: MrOlin Coles 2011-02-23 15:12
Only H67-Express motherboards can utilize Sandy Bridge integrated graphics, because only those motherboards have the DVI/D-SUB/HDMI output ports built-in. NVIDIA is already working with Intel on this very solution. Using Optimus technology, paired with Lucid Logic 'GPU Virtualization' software (yet unannounced), the Sandy Bridge CPU will be able to enable QuickSync + GPU.
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# mrzikkun 2012-03-24 11:35
nahh. actually h61 also have dvi, hdmi ports, dont know about d-sub(need it?). so actually use h61 and run this cpu is could be cheap, than buy a h67 or whatever that expensive twice
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