Intel Core 2 Quad Q9400 vs Intel Core 2 Quad Q6600 (95W)

Comparative analysis of Intel Core 2 Quad Q9400 and Intel Core 2 Quad Q6600 (95W) processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core 2 Quad Q9400

Intel Core 2 Quad Q6600 (95W)

Differences

Reasons to consider the Intel Core 2 Quad Q9400

CPU is newer: launch date 1 year(s) 1 month(s) later
Around 11% higher clock speed: 2.67 GHz vs 2.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 10% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.574 vs 0.522
Around 9% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.509 vs 24.255
Around 9% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.189 vs 3.829

Specifications (specs)
Launch date	August 2008 vs July 2007
Maximum frequency	2.67 GHz vs 2.4 GHz
Manufacturing process technology	45 nm vs 65 nm
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.574 vs 0.522
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.509 vs 24.255
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.189 vs 3.829

Reasons to consider the Intel Core 2 Quad Q6600 (95W)

Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 1% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.138 vs 0.136
8x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.748 vs 0.094

Specifications (specs)
L2 cache	8192 KB vs 6144 KB
Benchmarks
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.138 vs 0.136
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.748 vs 0.094

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9400
CPU 2: Intel Core 2 Quad Q6600 (95W)

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.574

0.522

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

26.509

24.255

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.136

0.138

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.094

0.748

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.189

3.829

Name	Intel Core 2 Quad Q9400	Intel Core 2 Quad Q6600 (95W)
PassMark - Single thread mark	1138
PassMark - CPU mark	2138
Geekbench 4 - Single Core	376
Geekbench 4 - Multi-Core	1151
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.574	0.522
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.509	24.255
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.136	0.138
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.094	0.748
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.189	3.829

Compare specifications (specs)

	Intel Core 2 Quad Q9400	Intel Core 2 Quad Q6600 (95W)
Essentials
Architecture codename	Yorkfield	Kentsfield
Launch date	August 2008	July 2007
Place in performance rating	3118	3296
Price now	$33.98
Processor Number	Q9400
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	28.99
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.66 GHz
Bus Speed	1333 MHz FSB
Die size	164 mm2	2x 143 mm
L1 cache	256 KB	256 KB
L2 cache	6144 KB	8192 KB
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	71 °C	62 °C
Maximum core temperature	71.4°C
Maximum frequency	2.67 GHz	2.4 GHz
Number of cores	4	4
Transistor count	456 million	582 million
VID voltage range	0.8500V-1.3625V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	LGA775	775
Thermal Design Power (TDP)	95 Watt	95 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)