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Intel Core i7-870 Processor BX80605I7870 E-mail
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Written by Mathew Williams   
Wednesday, 09 September 2009
Table of Contents: Page Index
Intel Core i7-870 Processor BX80605I7870
Features and Specifications
Closer Look: Core i7-870
Testing and Results
Lavalys EVEREST
Passmark PerformanceTest
PCMark05 Benchmark Suite
Crysis Gaming Tests
Devil May Cry 4 Gaming Tests
SPECperfview 10 CATIA
MAXON CINEBENCH R10
Performance Features and Overclocking
Power Consumption
Intel Lynnfield Final Thoughts
Core i7-870 Conclusion

SPECperfview 10

SPECviewperf is a portable OpenGL performance benchmark program written in C. It was developed by IBM. Later updates and significant contributions were made by SGI, Digital (Compaq, HP), 3Dlabs (Creative Labs) and other SPECopc project group members. SPECviewperf provides a vast amount of flexibility in benchmarking OpenGL performance. Currently, the program runs on most implementations of UNIX, Windows XP, Windows 2000, and Linux.

SPECviewperf parses command lines and data files, sets the rendering state, and converts data sets to a format that can be traversed using OpenGL rendering calls. It renders the data set for a pre-specified amount of time or number of frames with animation between frames. Finally, it outputs the results. SPECviewperf reports performance in frames per second. Other information about the system under test - all the rendering states, the time to build display lists (if applicable), and the data set used - are also output in a standardized report.

A "benchmark" using SPECviewperf is really a single invocation of SPECviewperf with command-line options telling the SPECviewperf program which data set to read in, which texture file to use, what OpenGL primitive to use to render the data set, which attributes to apply and how frequently, whether or not to use display lists, and so on. One quickly realizes that there are an infinite number of SPECviewperf "benchmarks" (an infinite number of data sets multiplied by an almost infinite number of command-line states).

intel_core_i7-870_specview.jpg

The SPECviewperf CATIA results are somewhat perplexing. As a single-threaded benchmark, the only notable difference between the i5-750 and the i7-870 is clock speed. Even factoring in Turbo, that's only an 11% difference, while the results here suggest a 25% difference in performance. In all likelihood, it's the same software issue we discovered in Devil May Cry 4. Nevertheless, these numbers are good news for the Core i7-870.



 

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