Comparison

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General

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Brand	Intel	Intel	Intel
Product name	Core 2 Extreme QX9775	Core 2 Quad Q6600	Core 2 Quad Q9450
Product code	BX80574QX9775	BX80562Q6600	BX80569Q9450
Tested by	Koen Crijns	Koen Crijns	Koen Crijns
Test Date	01/31/2008	01/09/2007	10/03/2007
Details	Details	Details	Details
Average price
Specifications
CPU core	Harpertown	Kentsfield	Yorkfield
CPU socket	Socket 771	Socket 775	Socket 775
Clock frequency	3.2 GHz	2.4 GHz	2.66 GHz
Frontside bus	1600 MHz	1066 MHz	1333 MHz
L2 cache	12288 kB	8192 kB	12288 kB
L3 cache	0	0	0
Cores	4	4	4
HyperThreading
Integrated memory controller
MMX
SSE
SSE2
SSE3
SSE4A
SSE4.1
x86-64
XD-bit
Fabrication process	45 nm	65 nm	45 nm
TDP (Max. power)	150 W	105 W	95 W
Benchmarks (Windows Vista)
3DMark06 - CPU test	6341	3528	3951
S.T.A.L.K.E.R.	235.2 fps	227.5 fps	233.9 fps
Quake 4	82 fps	65 fps	75 fps
PCMark05 - CPU test	10157	7715	8549
Vista: rotate 25 8MP photos	10.1 sec.	13.8 sec.	11.9 sec.
Adobe Photoshop Element 5.0: SmartFix 25 8MP photos	84 sec.	120.1 sec.	103.2 sec.
60 min. WAVE to MP3 (4x LAME 3.97)	40 sec.	55.0 sec.	47 sec.
60 min. WAVE to MP4 (4x Nero Audio)	32.9 sec.	48.8 sec.	42 sec.
Windows Media Encoder - WMV HD 1080p encoding	146 sec.	191 sec.	163 sec.
Nero Recode 2 - H.264 1080p encoding	50 sec.	93 sec.	109 sec.
Nero Recode 2 - H.264 1080p encoding - power consumption	279 W	197 W	137 W
DivX 6.7 1080p HD encoding	28 sec.		37 sec.
Cinebench 9.5	2689	1294	1574
Cinebench 10	20013		10445
PovRay 3.7b21 - Chessboard rendering	36.8 sec.	104.8 sec.	78 sec.
PovRay 3.7b21 - Chessboard rendering - power consumption	300 W	199 W	148 W
Microsoft Excel 2007 - BigNumerCrunch benchmark		6.7 sec.	5.8 sec.
Microsoft Excel 2007 - Monte Carlo benchmark	8.9 sec.	24.5 sec.	20.4 sec.
Microsoft Word 2007 - Compare 1000 page document	17.4 sec.	24.4 sec.	21.3 sec.
Idle stroomverbruik	194 W		94.5 W
Benchmarks (Windows XP)
PCMark05 - CPU Test		7735
3DMark06 - CPU Test		3680
FarCry x64		123.1 fps
Quake 4 HQ		134.5 fps
PAL DV to WMV9 conversion (Windows Media Encoder x64)		15.3 fps
PAL DV to MPEG/H.264 conversion (x264 x64)		9.3 fps
60 min WAVE to MP3 conversion (4x LAME 3.97 x64)		49 sec.
60 min WAVE to WMA conversion (Windows Media Encoder x64)		633 sec.
Photoshop CS2 benchmark		129.2 sec.
Cinebench 9.5 x64		1289
Povray64 chessboard rendering		51.5 sec.
7Zip x64 compression (320 MB data)		108 sec.
Squeez x64 compression (320 MB data)		168 sec.
HWI Excel benchmark		49 sec.
Adobe Photoshop Elelements 4.0 - Fix 25 8MP photos		102 sec.