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Intel Core i5-2500K Sandy Bridge CPU E-mail
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Written by Hank Tolman   
Sunday, 02 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

Cinebench R11.5 Benchmarks

Maxon Cinebench is a real-world test suite that assesses the computer's performance capabilities. Cinebench is based on Maxon's award-winning animation software, Cinema 4D, which is used extensively by studios and production houses worldwide for 3D content creation. Maxon software has been used in blockbuster movies such as Spider-Man, Star Wars, The Chronicles of Narnia and many more. Cinebench Release 11.5 includes the ability to more accurately test the industry's latest hardware, including systems with up to 64 processor threads and the testing environment better reflects the expectations of today's production demands. A more streamlined interface makes testing systems and reading results incredibly straightforward.

The Cinebench R11.5 test scenario uses all of a system's processing power to render a photorealistic 3D scene, "No Keyframes" the viral animation by AixSponza. This scene makes use of various algorithms to stress all available processor cores. The OpenGL graphics card testing procedure uses a complex 3D scene depicting a car chase with which the performance of your graphics card in OpenGL mode is measured. During the benchmark tests the graphics card is evaluated by way of displaying an intricate scene that includes complex geometry, high-resolution textures, and a variety of effects to evaluate the performance across a variety of real-world scenarios.

Intel_i5-2500K_Cinebench.png

In the CPU Single Core tests, Cinebench focuses on a single thread of processing, so all of the AMD CPU scores are based nearly completely on their clock speeds. You can see this clearly from the results if you exclude the Core i7 and i5 processors. The Core i7-920 sits about at the same point as the Phenom-II X2-560BE which runs at 3.3GHz. The similarly clocked Core i5-2500K, however, scores much higher than any CPU on the charts. This is undoubtedly due in part to the turbo boost ability of the Sandy Bridge CPU, which allows it to overclock a single core up to 3.7GHz if no other cores are active. The Phenom-II X4-975BE, while beating the Core i7-920 CPU, falls behind the i5-2500K by 37% in the Single Core test.

In the Multi-Core Cinebench test the Intel Core i7 can take advantage of multi-threading so the Core i7's four cores turn into eight threads, giving it a higher score than all but the Core i5-2500K. The 2500K doesn't have hyperthreading capabilities, but still destroys even the 8-threaded Core i7-920. Since Cinebench focuses on isolating the CPU for testing, this multi-core test really shows the power of the new Sandy Bridge CPU. Gains over the Phenom-II X4-975BE are at almost 28%, with 12.5% gains over the hyperthreaded i7-920.



 

Comments 

 
# 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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