AMD A8-3870K vs Intel Core 2 Duo E8400

Comparative analysis of AMD A8-3870K and Intel Core 2 Duo E8400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization, Security & Reliability, Advanced Technologies. 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 - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), 3DMark Fire Strike - Physics Score.

AMD A8-3870K

Intel Core 2 Duo E8400

Differences

Reasons to consider the AMD A8-3870K

CPU is newer: launch date 3 year(s) 10 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
4x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 93% better performance in PassMark - CPU mark: 2340 vs 1210
Around 59% better performance in Geekbench 4 - Multi-Core: 1172 vs 738
8.8x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.914 vs 0.33
Around 93% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.191 vs 0.099
Around 39% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.344 vs 2.408

Specifications (specs)
Launch date	December 2011 vs January 2008
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Manufacturing process technology	32 nm vs 45 nm
L1 cache	128 KB (per core) vs 128 KB
Benchmarks
PassMark - CPU mark	2340 vs 1210
Geekbench 4 - Multi-Core	1172 vs 738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.914 vs 0.33
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.191 vs 0.099
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.344 vs 2.408

Reasons to consider the Intel Core 2 Duo E8400

Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 54% lower typical power consumption: 65 Watt vs 100 Watt
Around 2% better performance in PassMark - Single thread mark: 1234 vs 1213
Around 13% better performance in Geekbench 4 - Single Core: 422 vs 373
2.8x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.311 vs 9.482
Around 70% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.68 vs 0.4

Specifications (specs)
L2 cache	6144 KB vs 1024 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 100 Watt
Benchmarks
PassMark - Single thread mark	1234 vs 1213
Geekbench 4 - Single Core	422 vs 373
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.311 vs 9.482
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.68 vs 0.4

Compare benchmarks

CPU 1: AMD A8-3870K
CPU 2: Intel Core 2 Duo E8400

PassMark - Single thread mark

CPU 1

CPU 2

1213

1234

PassMark - CPU mark

CPU 1

CPU 2

2340

1210

Geekbench 4 - Single Core

CPU 1

CPU 2

373

422

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1172

738

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.914

0.33

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

CPU 1

CPU 2

9.482

26.311

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

CPU 1

CPU 2

0.191

0.099

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.4

0.68

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.344

2.408

Name	AMD A8-3870K	Intel Core 2 Duo E8400
PassMark - Single thread mark	1213	1234
PassMark - CPU mark	2340	1210
Geekbench 4 - Single Core	373	422
Geekbench 4 - Multi-Core	1172	738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.914	0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.482	26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.191	0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.4	0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.344	2.408
GFXBench 4.0 - Car Chase Offscreen (Frames)	762
GFXBench 4.0 - Manhattan (Frames)	1721
GFXBench 4.0 - Car Chase Offscreen (Fps)	762
GFXBench 4.0 - Manhattan (Fps)	1721
3DMark Fire Strike - Physics Score		2400

Compare specifications (specs)

	AMD A8-3870K	Intel Core 2 Duo E8400
Essentials
Architecture codename	Llano	Wolfdale
Launch date	December 2011	January 2008
Place in performance rating	2560	2981
Vertical segment	Desktop	Desktop
Price now		$129.95
Processor Number		E8400
Series		Legacy Intel® Core™ Processors
Status		Discontinued
Value for money (0-100)		4.87
Performance
64 bit support
Die size	228 mm	107 mm2
L1 cache	128 KB (per core)	128 KB
L2 cache	1024 KB (per core)	6144 KB
Manufacturing process technology	32 nm	45 nm
Maximum frequency	3 GHz	3 GHz
Number of cores	4	2
Transistor count	1178 million	410 million
Unlocked
Base frequency		3.00 GHz
Bus Speed		1333 MHz FSB
Maximum case temperature (TCase)		72 °C
Maximum core temperature		72.4°C
VID voltage range		0.8500V-1.3625V
Memory
Supported memory types	DDR3	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1	LGA775
Thermal Design Power (TDP)	100 Watt	65 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
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