Intel Core 2 Quad Q8400 vs Intel Core 2 Duo E8600

Comparative analysis of Intel Core 2 Quad Q8400 and Intel Core 2 Duo E8600 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

Intel Core 2 Quad Q8400

Intel Core 2 Duo E8600

Differences

Reasons to consider the Intel Core 2 Quad Q8400

CPU is newer: launch date 8 month(s) later
2 more cores, run more applications at once: 4 vs 2
4x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 52% better performance in PassMark - CPU mark: 2068 vs 1360
Around 43% better performance in Geekbench 4 - Multi-Core: 1139 vs 798
Around 65% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.609 vs 0.368
2x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.4 vs 0.7
Around 85% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.93 vs 2.67
Around 57% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.171 vs 0.109

Specifications (specs)
Launch date	April 2009 vs August 2008
Number of cores	4 vs 2
L1 cache	256 KB vs 64 KB
Benchmarks
PassMark - CPU mark	2068 vs 1360
Geekbench 4 - Multi-Core	1139 vs 798
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.609 vs 0.368
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.4 vs 0.7
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.93 vs 2.67
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.171 vs 0.109

Reasons to consider the Intel Core 2 Duo E8600

Around 25% higher clock speed: 3.33 GHz vs 2.67 GHz
Around 1% higher maximum core temperature: 72.4°C vs 71.4°C
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Around 21% better performance in PassMark - Single thread mark: 1383 vs 1141
Around 29% better performance in Geekbench 4 - Single Core: 468 vs 362
Around 36% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 27.856 vs 20.494

Specifications (specs)
Maximum frequency	3.33 GHz vs 2.67 GHz
Maximum core temperature	72.4°C vs 71.4°C
L2 cache	6144 KB vs 4096 KB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1383 vs 1141
Geekbench 4 - Single Core	468 vs 362
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	27.856 vs 20.494

Compare benchmarks

CPU 1: Intel Core 2 Quad Q8400
CPU 2: Intel Core 2 Duo E8600

PassMark - Single thread mark

CPU 1

CPU 2

1141

1383

PassMark - CPU mark

CPU 1

CPU 2

2068

1360

Geekbench 4 - Single Core

CPU 1

CPU 2

362

468

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1139

798

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.609

0.368

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

CPU 1

CPU 2

20.494

27.856

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.4

0.7

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.93

2.67

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

CPU 1

CPU 2

0.171

0.109

Name	Intel Core 2 Quad Q8400	Intel Core 2 Duo E8600
PassMark - Single thread mark	1141	1383
PassMark - CPU mark	2068	1360
Geekbench 4 - Single Core	362	468
Geekbench 4 - Multi-Core	1139	798
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.609	0.368
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	20.494	27.856
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.4	0.7
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.93	2.67
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.171	0.109

Compare specifications (specs)

	Intel Core 2 Quad Q8400	Intel Core 2 Duo E8600
Essentials
Architecture codename	Yorkfield	Wolfdale
Launch date	April 2009	August 2008
Place in performance rating	3019	2960
Price now	$99.50	$49.99
Processor Number	Q8400	E8600
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	9.38	14.21
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.66 GHz	3.33 GHz
Bus Speed	1333 MHz FSB	1333 MHz FSB
Die size	164 mm2	107 mm2
L1 cache	256 KB	64 KB
L2 cache	4096 KB	6144 KB
Manufacturing process technology	45 nm	45 nm
Maximum case temperature (TCase)	71 °C	72 °C
Maximum core temperature	71.4°C	72.4°C
Maximum frequency	2.67 GHz	3.33 GHz
Number of cores	4	2
Transistor count	456 million	410 million
VID voltage range	0.8500V-1.3625V	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	37.5mm x 37.5mm
Sockets supported	LGA775	LGA775
Thermal Design Power (TDP)	95 Watt	65 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)