Intel Core2 QX9650 

Released November, 2007
  • 3 GHz
  • Quad core
  • Unlocked
4.9 Out of 10

Results: The Intel Core 2 Extreme QX9650 processor easily took the lead on WinRAR 3.71 by beating out the Intel QX6850 by roughly 10.
by Legit Reviews (Oct, 2007)
The most notable exception is the DivX 6.7 video encoding benchmark.
by Tech Radar (Oct, 2007)

CPUBoss Review Our evaluation of the Intel Core2 QX9650 among desktop CPUs (over 75W)


Benchmark performance using all cores

Core2 QX9650
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core2 QX9650
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core2 QX9650
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core2 QX9650
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core2 QX9650
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more


Are you paying a premium for performance?

Core2 QX9650
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more


CPUBoss Score

Combination of all six facets

Core2 QX9650

Benchmarks Real world tests of the Intel Core2 QX9650

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 QX9650

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 QX9650

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 QX9650
136,300 MB/s
Core2 Quad Q9550
121,500 MB/s
Core2 Quad Q9650
128,200 MB/s

3D Mark 11 (Physics)

Core2 QX9650

Cinebench R11.5

Core2 QX9650

Cinebench R11.5 (Single Core)

Core2 QX9650

Reviews Word on the street for the Intel Core2 QX9650

Let's take a look at what the move to 45nm will bring, and then we'll review the updated Core 2 architecture as it applies to Yorkfield—A.K.A. the Core 2 Extreme QX9650.

A memory bandwidth result of just over 7,000MB/s is pretty ordinary given the 1,333MHz of the supporting DDR3 DIMMs.


7.9 Out of 10

What People Are Saying Give it to me straight

Socket Type

The new Intel Core 2 Extreme QX9650 is the fastest processor on the market today hands down.
by Legit Reviews (Oct, 2007)
The Intel QX9650 processor will have a TDP of 130W, which means cooling requirements have not changed.
by Legit Reviews (Oct, 2007)
In fact we will be testing the very three processors pictured above (Intel QX6950, QX850 and E6750) along with the AMD Athlon 64 X2 6400+ to see how the new Intel Core 2 Extreme Processor QX9650 processor does against other high-end offerings from AMD and Intel on Windows Vista Ultimate 64-bit.
by Legit Reviews (Oct, 2007)


It's obvious that with the move to 45nm Hi-k metal gate process technology and going 100% lead-free that Intel reengineered many parts of this Core 2 series processor.
by Legit Reviews (Oct, 2007)
The first of a full family of dual and quad-core 45nm chips, the QX9650 is largely a die shrink of Intel's enormously successful 65nm Core 2 processors.
by Tech Radar (Oct, 2007)
The Core 2 CPUs haven't officially hit the rarified clock rates of the old Pentium Extreme Edition 965, which ran at 3.73GHz and could fry eggs.
by PCMag (Oct, 2007)


Since Penryn/Yorkfield cores are die shrinks they would be a "tick" in the cycle, which means next year we will see the introduction of a new microarchitecture!
by Legit Reviews (Oct, 2007)
The Intel QX9650 has a 3.0 GHz core frequency, a 12MB chunk of L2 cache, was built on the 45nm process and features a new SSE4 instruction set.
by Legit Reviews (Oct, 2007)
The view of the Integrated Heat Spreader (IHS) hasn't changed with the Intel QX9650, but if you flip it over and look at the LGA775 socket side some differences can be noted between recent cores.
by Legit Reviews (Oct, 2007)


Benchmark Results: With the graphics settings moved down to low the bulk of the strain is on the processor, which is what you want for a CPU benchmark.
by Legit Reviews (Oct, 2007)
Still, it offers excellent performance, albeit at a steep price.
by PCMag (Oct, 2007)
Legit Reviews was e-mailed by one of the developers over at POV-Ray to see if LR could include real-time raytracing in our performance analysis and we were more than happy to include the data in our testing.
by Legit Reviews (Oct, 2007)


This overclock just goes to show how much potential these cores have in the months ahead!
by Legit Reviews (Oct, 2007)
That might just go to show how much overclocking potential one of these processors might have.
by Legit Reviews (Oct, 2007)
The processor we looked at was solid as it performed better, consumed less energy and was able to overclock by 33% to over 4GHz!
by Legit Reviews (Oct, 2007)

Specifications Full list of technical specs


Clock speed 3 GHz
Cores Quad core
Socket type LGA 775
Is unlocked Yes


Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE4.1
  5. SSE3
  6. Supplemental SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 130W
Annual home energy cost 31.32 $/year
Annual commercial energy cost 113.88 $/year
Performance per watt 1.53 pt/W
Typical power consumption 105.63W


Architecture x86-64
Threads 4 threads
L2 cache 12 MB
L2 cache per core 3 MB/core
Manufacture process 45 nm
Transistor count 820,000,000
Max CPUs 1
Clock multiplier 9
Voltage range 0.85 - 1.36V
Operating temperature Unknown - 64.5°C


Overclocked clock speed 4.21 GHz
Overclocked clock speed (Water) 4.4 GHz
Overclocked clock speed (Air) 4.21 GHz

integrated graphics

GPU None


Architecture FSB
Clock speed 1,333 MHz
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