Intel Core 2 Quad Q8400 vs Intel Core 2 Duo P8700

Comparative analysis of Intel Core 2 Quad Q8400 and Intel Core 2 Duo P8700 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 P8700

Differences

Reasons to consider the Intel Core 2 Quad Q8400

CPU is newer: launch date 3 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 6% higher clock speed: 2.67 GHz vs 2.53 GHz
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 12% better performance in PassMark - Single thread mark: 1141 vs 1022
2.1x better performance in PassMark - CPU mark: 2068 vs 962
Around 8% better performance in Geekbench 4 - Single Core: 362 vs 336
Around 95% better performance in Geekbench 4 - Multi-Core: 1139 vs 584
2.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.609 vs 0.273
Around 26% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 20.494 vs 16.217
2.6x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.4 vs 0.548
2.5x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.93 vs 1.998
2.3x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.171 vs 0.076

Specifications (specs)
Launch date	April 2009 vs 1 January 2009
Number of cores	4 vs 2
Maximum frequency	2.67 GHz vs 2.53 GHz
L2 cache	4096 KB vs 3072 KB
Benchmarks
PassMark - Single thread mark	1141 vs 1022
PassMark - CPU mark	2068 vs 962
Geekbench 4 - Single Core	362 vs 336
Geekbench 4 - Multi-Core	1139 vs 584
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.609 vs 0.273
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	20.494 vs 16.217
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.4 vs 0.548
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.93 vs 1.998
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.171 vs 0.076

Reasons to consider the Intel Core 2 Duo P8700

Around 47% higher maximum core temperature: 105°C vs 71.4°C
3.8x lower typical power consumption: 25 Watt vs 95 Watt

Maximum core temperature	105°C vs 71.4°C
Thermal Design Power (TDP)	25 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core 2 Quad Q8400
CPU 2: Intel Core 2 Duo P8700

PassMark - Single thread mark

CPU 1

CPU 2

1141

1022

PassMark - CPU mark

CPU 1

CPU 2

2068

962

Geekbench 4 - Single Core

CPU 1

CPU 2

362

336

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1139

584

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.609

0.273

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

CPU 1

CPU 2

20.494

16.217

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.4

0.548

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.93

1.998

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

CPU 1

CPU 2

0.171

0.076

Name	Intel Core 2 Quad Q8400	Intel Core 2 Duo P8700
PassMark - Single thread mark	1141	1022
PassMark - CPU mark	2068	962
Geekbench 4 - Single Core	362	336
Geekbench 4 - Multi-Core	1139	584
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.609	0.273
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	20.494	16.217
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.4	0.548
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.93	1.998
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.171	0.076

Compare specifications (specs)

	Intel Core 2 Quad Q8400	Intel Core 2 Duo P8700
Essentials
Architecture codename	Yorkfield	Penryn
Launch date	April 2009	1 January 2009
Place in performance rating	3019	3179
Price now	$99.50	$37.99
Processor Number	Q8400	P8700
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	9.38	12.60
Vertical segment	Desktop	Mobile
Launch price (MSRP)		$209
Performance
64 bit support
Base frequency	2.66 GHz	2.53 GHz
Bus Speed	1333 MHz FSB	1066 MHz FSB
Die size	164 mm2	107 mm2
L1 cache	256 KB
L2 cache	4096 KB	3072 KB
Manufacturing process technology	45 nm	45 nm
Maximum case temperature (TCase)	71 °C
Maximum core temperature	71.4°C	105°C
Maximum frequency	2.67 GHz	2.53 GHz
Number of cores	4	2
Transistor count	456 million	410 million
VID voltage range	0.8500V-1.3625V	1.00V - 1.25V
Front-side bus (FSB)		1066 MHz
Number of threads		2
Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	37.5mm x 37.5mm	35mm x 35mm
Sockets supported	LGA775	BGA479, PGA478
Thermal Design Power (TDP)	95 Watt	25 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)