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Review: Intel Core 2 Extreme QX9650: it's clobberin' time!

by Tarinder Sandhu on 29 October 2007, 10:12

Tags: Core 2 Extreme QX9650, Intel (NASDAQ:INTC)

Quick Link: HEXUS.net/qakaa

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System setup and notes


System Intel LGA775 1333FSB system AMD AM2 system
Processors

Intel Core 2 Extreme QX9650 (3GHz, 12MiB L2 cache, LGA775, quad-core)
Intel Core 2 Extreme QX6850 (3GHz, 8MiB L2 cache, LGA775, quad-core)
Intel Core 2 Duo E6750 (2.67GHz, 4MiB L2 cache, LGA775, dual-core)

AMD Athlon 64 X2 6400+ (3.2GHz, 2MiB L2 cache, AM2, dual-core)
AMD Athlon 64 X2 6000+ (3.0GHz, 2MiB L2 cache, AM2, dual-core)
AMD Athlon 64 X2 5600+ (2.8GHz, 2MiB L2 cache, AM2, dual-core)

Motherboard ASUS P5E3 Deluxe WiFi-AP (Bearlake X38) ASUS M2N32-SLI Premium Vista Edition (nForce 590 SLI)
Memory
2GiB (2 x 1024) Corsair DDR3-1333
2GiB (2 x 1024) Patriot PC8000 XBLK
Memory timings and speed 7-7-7-20 @ 1336MHz 4-4-4-12 @ 800MHz
Graphics card(s) NVIDIA GeForce 8800 GTX 768MiB
Disk drive(s) Seagate 160GB SATAII (ST3160812AS)
Optical drive(s) Sony DW-Q30A
BIOS revision 1.2B1 (05/22/2007) 01/02/0 (0109)
Mainboard software Intel Inf 8.4.0.1016 NVIDIA nForce package 15.01
Graphics driver ForceWare 163.69
Operating system Windows Vista Business 64-bit
PSU OCZ GameXStream 700W
Monitor Dell 2405FPW


Software

Benchmarks Sandra Lite 2k7 SP1 Build 2007.8.10.105 float buffered memory bandwidth
ScienceMark 2.0 32-bit Build 21MAR05 memory latency
CPU-Z v1.41
HEXUS.PiFast
LAME multi-threaded benchmark - 701.5MB file - encoded into 128kbps stereo.
DivX 6.61 (existing DV avi source-file, home-theatre profile, 1700Kbps, insane-quality video, 40Kbps, Stereo, 16KHz Audio)
CINEBENCH R10
POV-Ray 32-bit 3.7.0 BETA 21a - internal benchmark mode.
Company of Heroes - 1024x768
Quake 4 1.30 SMP support enabled (low-end script - 1024x768 - demo001 recorded by HEXUS)
Half-Life 2: Episode 2 - 1024x768


Notes

We've updated our benchmarking suite to the latest software builds at time of testing. Our operating system of choice is now Microsoft's Vista Business 64-bit. All benchmarks were run three times, the results averaged, and presented in the graphs on the following pages.

The comparison that's of particular interest is how the new Penryn-based QX9650 processor, operating at the same clock and FSB speed as the QX6850, compares to the fastest of the previous generation. Any performance increases will be directly attributable to enhancements present in the new core, obviously. We'll also be taking a look at power-consumption figures to see if the 45nm process of the QX9650 - also rated at a '6850-matching 130W - provides tangible benefits when running at full load.

AMD's desktop processor line-up is currently being revamped in the form of the Phenom - in dual-, tri-, and quad-core guises. Commenting on potential performance would be remiss until AMD samples HEXUS with final-silicon models.

Following on traditional set by previous Intel Extreme Edition processors, the QX9650 is likely to ship with a price-tag of around £600. We already know that it will usurp the QX6850 as the performance desktop processor of choice, but we've also added in numbers from an Intel Core 2 Duo E6750 - currently priced at around £115 - which dissects AMD's online pricing for the X2 6400+ Black Edition (£129) and X2 6000+ (£99), so please look out for those three numbers when comparing on a like-for-like financial basis.

We reckon that the Penryn-based processors of real interest will be lower-clocked models with reasonable prices, and we expect to see current 65nm processors simply and directly replaced by 45nm processors at each current price-point.

Enough prattling on, mate, let's get on to the benchmarks, Sandhu!