Intel Core 2 Extreme QX6850 review: Intel Core 2 Extreme QX6850

Apple iTunes encoding test
(Shorter bars indicate better performance)

Adobe Photoshop CS3 Test
(Shorter bars indicate better performance)

CineBench
(Longer bars indicate better performance)
Rendering Multiple CPUs  
Rendering Single CPU  

CPU-limited Quake 4 (in frames per second)
(Longer bars indicate better performance)
800 x 600, low-quality, no AA/AF  

Editor's note: Thanks to Asus who provided the motherboards and loaned us the Corsair DDR3 memory for this review's performance tests.

Test bed configurations:

Intel Core 2 Extreme QX6800 (DDR2 1,066MHz)
Windows Vista Ultimate; Asus P5K Deluxe motherboard with Intel P35 chip set; 2GB Crucial Ballistix Tracer 1,066MHz DDR2 SDRAM; 512MB ATI Radeon HD 2900 XT; 74GB Western Digital 10,000rpm Serial ATA/150 hard drive

Intel Core 2 Extreme QX6850 (DDR2 1,066MHz)
Windows Vista Ultimate; Asus P5K Deluxe motherboard with Intel P35 chip set; 2GB Crucial Ballistix Tracer 1,066MHz DDR2 SDRAM; 512MB ATI Radeon HD 2900 XT; 74GB Western Digital 10,000rpm Serial ATA/150 hard drive

Intel Core 2 Extreme QX6850 (DDR3 1,333MHz)
Windows Vista Ultimate; Asus P5K3 Deluxe motherboard with Intel P35 chip set; 2GB Corsair XMS3 DHX 1,333MHz DDR3 SDRAM; 512MB ATI Radeon HD 2900 XT; 74GB Western Digital 10,000rpm Serial ATA/150 hard drive

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Intel Core 2 Extreme QX6850

Part Number: BX80562QX6850
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About The Author

Rich Brown is an executive editor for CNET Reviews. He has worked as a technology journalist since 1994.