Intel Core 2 Quad Q9500 vs Intel Core 2 Duo E8400

Comparative analysis of Intel Core 2 Quad Q9500 and Intel Core 2 Duo E8400 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. 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 Q9500

Intel Core 2 Duo E8400

Differences

Reasons to consider the Intel Core 2 Quad Q9500

2 more cores, run more applications at once: 4 vs 2
Around 85% better performance in PassMark - CPU mark: 2240 vs 1210
Around 66% better performance in Geekbench 4 - Multi-Core: 1225 vs 738
2.3x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.762 vs 0.33
Around 7% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 28.113 vs 26.311
Around 60% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.158 vs 0.099

Specifications (specs)
Number of cores	4 vs 2
Benchmarks
PassMark - CPU mark	2240 vs 1210
Geekbench 4 - Multi-Core	1225 vs 738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.762 vs 0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	28.113 vs 26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.158 vs 0.099

Reasons to consider the Intel Core 2 Duo E8400

Around 1% higher maximum core temperature: 72.4°C vs 71.4°C
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Around 2% better performance in PassMark - Single thread mark: 1234 vs 1213
Around 7% better performance in Geekbench 4 - Single Core: 422 vs 395

Specifications (specs)
Maximum core temperature	72.4°C vs 71.4°C
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1234 vs 1213
Geekbench 4 - Single Core	422 vs 395

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9500
CPU 2: Intel Core 2 Duo E8400

PassMark - Single thread mark

CPU 1

CPU 2

1213

1234

PassMark - CPU mark

CPU 1

CPU 2

2240

1210

Geekbench 4 - Single Core

CPU 1

CPU 2

395

422

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1225

738

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.762

0.33

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

CPU 1

CPU 2

28.113

26.311

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

CPU 1

CPU 2

0.158

0.099

Name	Intel Core 2 Quad Q9500	Intel Core 2 Duo E8400
PassMark - Single thread mark	1213	1234
PassMark - CPU mark	2240	1210
Geekbench 4 - Single Core	395	422
Geekbench 4 - Multi-Core	1225	738
3DMark Fire Strike - Physics Score	0	2400
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.762	0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	28.113	26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.158	0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.408

Compare specifications (specs)

	Intel Core 2 Quad Q9500	Intel Core 2 Duo E8400
Essentials
Architecture codename	Yorkfield	Wolfdale
Place in performance rating	2941	2981
Processor Number	Q9500	E8400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Launch date		January 2008
Price now		$129.95
Value for money (0-100)		4.87
Performance
64 bit support
Base frequency	2.83 GHz	3.00 GHz
Bus Speed	1333 MHz FSB	1333 MHz FSB
Die size	164 mm2	107 mm2
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	71.4°C	72.4°C
Number of cores	4	2
Transistor count	456 million	410 million
VID voltage range	0.8500V-1.3625V	0.8500V-1.3625V
L1 cache		128 KB
L2 cache		6144 KB
Maximum case temperature (TCase)		72 °C
Maximum frequency		3 GHz
Compatibility
Low Halogen Options Available
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA775	LGA775
Thermal Design Power (TDP)	95 Watt	65 Watt
Max number of CPUs in a configuration		1
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
FSB parity
Intel® AES New Instructions
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Memory
Supported memory types		DDR1, DDR2, DDR3