A-DATA Extreme Edition DDR2 800+ 2x1GB Review (Page 8 of 9)

Page 8 - Benchmark: SuperPI, Cinebench 9.5, EVEREST Memory Latency

About SuperPI

Super PI is a computer program that calculates pi to a specified number of digits after the decimal point - up to a maximum of 32 million. It uses FFT arithmetic and Borwein's quartically-convergent algorithm and is a Windows port of the program used by Yasumasa Kanada in 1995 to compute Pi to 232 digits. Super PI uses x87 floating-point unit, so it favors processors with good FPU performance, such as AMD Athlon 64 and Intel Core 2.

From: Wikipedia (March 14, 2007)

With our Core 2 Duo E6300 running at 2.33GHz (1333MHz FSB), it took 23 seconds to calculate to one million digits of Pi regardless of RAM used.

About Cinebench 9.5

CINEBENCH is the free benchmarking tool for Windows and Mac OS based on the powerful 3D software CINEMA 4D. Consequently, the results of tests conducted using CINEBENCH 9.5 carry significant weight when analyzing a computer’s performance in everyday use. Especially a system’s CPU and the OpenGL capabilities of its graphics card are put through their paces (even multiprocessor systems with up to 16 dedicated CPUs or processor cores). During the testing procedure, all relevant data is ascertained with which the performance of different computers can subsequently be compared, regardless of operating system.

CINEBENCH includes render tasks that test the performance of up to 16 multiprocessors on the same computer as well as software-only shading tests and OpenGL shading tests on huge numbers of animated polygons that will push any computer to its limits.

CINEBENCH 9.5 is available for Windows 32-bit and 64-bit operating systems and as a “Universal Binary” version for Apple Macintosh computers with PowerPC or Intel Core Duo processors. The database functionality and simple export allow for easy statistical data collection. CINEBENCH is used extensively by leading trade journals and hardware manufacturers such as Intel, AMD and Apple to compare computer performance.

From: Developer's Page

It's interesting to watch Cinebench 9.5 results -- generally, Cinebench 9.5 favors lower latency/higher performing RAM at closer CPU ratios than faster DDR2-1066 RAM as demonstrated above with our OCZ Reaper HPC PC2-8500 RAM running at its default speed and latencies. The OCZ Reaper HPC downclocked to PC2-6400/4-4-3-15 beat the others in this benchmark by two points in the X-CPU set; as the A-DATA DDR2-800+ tied the OCZ Reaper HPC PC2-8500 RAM.

EVEREST Memory Latency

For more information on EVEREST, please read the description on Page 7 of this article.

At 4-4-4-12 timings, the A-DATA Extreme Edition DDR2-800+ set beat the OCZ Reaper HPC @ DDR2-800 4-4-3-15 by 0.2ns in latency. Generally speaking, in the EVEREST Memory Latency benchmark it favors memory running at higher frequencies -- therefore the PC2-8500 Reaper HPCs did the best in this test set.

Page Index
1. Introduction, Packaging, Specifications
2. A Closer Look, Installation, Test System
3. Benchmark: 3DMark06
4. Benchmark: PCMark05
5. Benchmark: EVEREST CPU
6. Benchmark: EVEREST FPU
7. Benchmark: EVEREST Memory
8. Benchmark: SuperPI, Cinebench 9.5, EVEREST Memory Latency
9. Overclocking Results and Conclusion