Intel Core 2 Quad Q9650 vs Intel Core 2 Quad Q9450

Comparative analysis of Intel Core 2 Quad Q9650 and Intel Core 2 Quad Q9450 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 Q9650

Intel Core 2 Quad Q9450

Differences

Reasons to consider the Intel Core 2 Quad Q9650

CPU is newer: launch date 5 month(s) later
Around 12% higher clock speed: 3 GHz vs 2.67 GHz
Around 14% better performance in PassMark - Single thread mark: 1283 vs 1128
Around 13% better performance in PassMark - CPU mark: 2477 vs 2186
Around 10% better performance in Geekbench 4 - Single Core: 444 vs 403
Around 6% better performance in Geekbench 4 - Multi-Core: 1400 vs 1322
Around 2% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.587 vs 0.573
Around 2% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.175 vs 1.154
Around 1% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.276 vs 4.249

Specifications (specs)
Launch date	August 2008 vs March 2008
Maximum frequency	3 GHz vs 2.67 GHz
Benchmarks
PassMark - Single thread mark	1283 vs 1128
PassMark - CPU mark	2477 vs 2186
Geekbench 4 - Single Core	444 vs 403
Geekbench 4 - Multi-Core	1400 vs 1322
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.587 vs 0.573
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.175 vs 1.154
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.276 vs 4.249

Reasons to consider the Intel Core 2 Quad Q9450

2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 3% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 31.997 vs 30.945
Around 9% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.177 vs 0.162

Specifications (specs)
L2 cache	12288 KB vs 6144 KB (per die)
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	31.997 vs 30.945
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.177 vs 0.162

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9650
CPU 2: Intel Core 2 Quad Q9450

PassMark - Single thread mark

CPU 1

CPU 2

1283

1128

PassMark - CPU mark

CPU 1

CPU 2

2477

2186

Geekbench 4 - Single Core

CPU 1

CPU 2

444

403

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1400

1322

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.587

0.573

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

CPU 1

CPU 2

30.945

31.997

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

CPU 1

CPU 2

0.162

0.177

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.175

1.154

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.276

4.249

Name	Intel Core 2 Quad Q9650	Intel Core 2 Quad Q9450
PassMark - Single thread mark	1283	1128
PassMark - CPU mark	2477	2186
Geekbench 4 - Single Core	444	403
Geekbench 4 - Multi-Core	1400	1322
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.587	0.573
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	30.945	31.997
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.162	0.177
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.175	1.154
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.276	4.249

Compare specifications (specs)

	Intel Core 2 Quad Q9650	Intel Core 2 Quad Q9450
Essentials
Architecture codename	Yorkfield	Yorkfield
Launch date	August 2008	March 2008
Place in performance rating	2987	2969
Price now	$54.49	$335
Processor Number	Q9650	Q9450
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	22.69	3.31
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.00 GHz	2.66 GHz
Bus Speed	1333 MHz FSB	1333 MHz FSB
Die size	214 mm2	214 mm2
L1 cache	64 KB (per core)	256 KB
L2 cache	6144 KB (per die)	12288 KB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	71.4°C	71.4°C
Maximum frequency	3 GHz	2.67 GHz
Number of cores	4	4
Transistor count	820 million	820 million
VID voltage range	0.8500V-1.3625V	0.8500V-1.3625V
Maximum case temperature (TCase)		71 °C
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	37.5mm x 37.5mm
Sockets supported	LGA775	LGA775
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)