Intel Core 2 Duo E8400 3.0GHz 1333MHz FSB Processor Review Intel's Core 2 Duo E8400 is a 3.0GHz dual-core processor based on the 'Wolfdale' core that is being manufactured on the 45nm process. This socket 775 processor packs in 6MB of L2 cache and operates with a 1333MHz Front Side Bus speed.  83% Rating:    Table of Contents Filed under: CPU / Processors Published:  Author:  External Mfg. Website: Intel May 08 2009   J. Apong   Home > Reviews > CPU / Processors > Intel Core 2 Duo E8400

CINEBENCH is a real-world test suite that assesses your computer's performace capabilities. CINEBENCH runs several tests on your computer to measure the performance of the main processor under real world circumstances. The benchmark application makes use of up to 16 CPUs or CPU cores to render a photo-reaslistic image. The scene makes use of various CPU-intensive features such as reflection, ambient occlusion, area lights and procedural shaders. In the first run, the benchmark only uses one CPU (or CPU core), to ascertain a reference value. On computers that have multiple CPUs or CPU cores and on those who simulate multiple CPUs (via HyperThreading or similar technolgies), MAXON CINEBENCH will run a second test using all available CPU power.
Higher results are best. Cinebench is multi-threaded.

Cinebench R10 1 CPU (split between cores) Points Ranking Intel Core i7 920 3066 Intel Core 2 Duo E8400 3306 AMD Phenom II X4 955 Black Edition 2920 AMD Phenom II X3 720 Black Edition (DDR2) 2565 AMD Phenom II X3 720 Black Edition (DDR3) 2570 x CPU (full load all cores) Points Ranking Intel Core i7 920 12640 Intel Core 2 Duo E8400 6339 AMD Phenom II X4 955 Black Edition 10455 AMD Phenom II X3 720 Black Edition (DDR2) 7064 AMD Phenom II X3 720 Black Edition (DDR3) 7104

While the Intel Core 2 Duo's single-core performance is tops in Cinebench, this render test scales excellently on multiple cores and can take advantage of hyperthreading, both of which the Core 2 Duo E8400 processor is deficient in compared to its multi-core bretheren, so it comes in dead last.

Bibble 5.0	Source: Bibble Labs

Bibble 5.0 Batch RAW-to-JPEG Conversion: (sec/Image) Points Ranking Intel Core i7 920 0.261 Intel Core 2 Duo E8400 0.61 AMD Phenom II X4 955 Black Edition 0.377 AMD Phenom II X3 720 Black Edition (DDR2) 0.6969 AMD Phenom II X3 720 Black Edition (DDR3) 0.623 Time to Complete 50 Photo's: (sec) Points Ranking Intel Core i7 920 13 Intel Core 2 Duo E8400 30.5 AMD Phenom II X4 955 Black Edition 17.9 AMD Phenom II X3 720 Black Edition (DDR2) 20.6969 AMD Phenom II X3 720 Black Edition (DDR3) 31.2

Bibble 5 is designed to scale to multiple cores, which means that the Core 2 Duo E8400 CPU is rendering the RAW photos to JPEG at a speed comparable to the Phenom II X3 720 processor.

POV-Ray 3.7 Beta 30	Source: POV-RAY

Ray-tracing is a rendering technique that calculates an image of a scene by simulating the way rays of light travel in the real world. In the real world, rays of light are emitted from a light source and illuminate objects. The light reflects off of the objects or passes through transparent objects. This reflected light hits our eyes or perhaps a camera lens. Because the vast majority of rays never hit an observer, it would take forever to trace a scene. Ray-tracing programs like POV-Ray start with their simulated camera and trace rays backwards out into the scene. The user specifies the location of the camera, light sources, and objects as well as the surface texture properties of objects, their interiors (if transparent) and any atmospheric media such as fog, haze, or fire.

Lower render times are better, however higher Pixel Per Second rendering values are best. Pov-ray is multi-threaded.

Pov-Ray 3.7 BETA 30 Render Time (sec) Seconds Ranking Intel Core i7 920 113.8 Intel Core 2 Duo E8400 382.88 AMD Phenom II X4 955 Black Edition 98.69 AMD Phenom II X3 720 Black Edition (DDR2) 445.26 AMD Phenom II X3 720 Black Edition (DDR3) 444.24 Render Average (Pixels Per Sec) Pixle/Sec Ranking Intel Core i7 920 2303.61 Intel Core 2 Duo E8400 1357.27 AMD Phenom II X4 955 Black Edition 2656.37 AMD Phenom II X3 720 Black Edition (DDR2) 1751.71 AMD Phenom II X3 720 Black Edition (DDR3) 1753.53

The Core 2 Duo E8400 processor manages to render slightly faster the Phenom II X3 720 Black Edition, despite pushing the least amount of pixels per second.

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