AMD Athlon II X4 631 vs Intel Core 2 Duo E8400

Comparative analysis of AMD Athlon II X4 631 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), 3DMark Fire Strike - Physics Score.

AMD Athlon II X4 631

Intel Core 2 Duo E8400

Differences

Reasons to consider the AMD Athlon II X4 631

CPU is newer: launch date 3 year(s) 6 month(s) later
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 76% better performance in PassMark - CPU mark: 2122 vs 1204
Around 52% better performance in Geekbench 4 - Multi-Core: 1125 vs 738
10.9x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.611 vs 0.33
Around 98% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.196 vs 0.099
Around 68% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.046 vs 2.408

Specifications (specs)
Launch date	August 2011 vs January 2008
Number of cores	4 vs 2
Manufacturing process technology	32 nm vs 45 nm
L1 cache	512 KB vs 128 KB
Benchmarks
PassMark - CPU mark	2122 vs 1204
Geekbench 4 - Multi-Core	1125 vs 738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.611 vs 0.33
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.196 vs 0.099
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.046 vs 2.408

Reasons to consider the Intel Core 2 Duo E8400

Around 15% higher clock speed: 3 GHz vs 2.6 GHz
Around 3% higher maximum core temperature: 72.4°C vs 70.10°C
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 11% better performance in PassMark - Single thread mark: 1237 vs 1115
Around 23% better performance in Geekbench 4 - Single Core: 422 vs 342
2.5x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.311 vs 10.376
Around 70% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.68 vs 0.401

Specifications (specs)
Maximum frequency	3 GHz vs 2.6 GHz
Maximum core temperature	72.4°C vs 70.10°C
L2 cache	6144 KB vs 4 MB
Thermal Design Power (TDP)	65 Watt vs 100 Watt
Benchmarks
PassMark - Single thread mark	1237 vs 1115
Geekbench 4 - Single Core	422 vs 342
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.311 vs 10.376
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.68 vs 0.401

Compare benchmarks

CPU 1: AMD Athlon II X4 631
CPU 2: Intel Core 2 Duo E8400

PassMark - Single thread mark

CPU 1

CPU 2

1115

1237

PassMark - CPU mark

CPU 1

CPU 2

2122

1204

Geekbench 4 - Single Core

CPU 1

CPU 2

342

422

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1125

738

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.611

0.33

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

CPU 1

CPU 2

10.376

26.311

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

CPU 1

CPU 2

0.196

0.099

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.401

0.68

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.046

2.408

Name	AMD Athlon II X4 631	Intel Core 2 Duo E8400
PassMark - Single thread mark	1115	1237
PassMark - CPU mark	2122	1204
Geekbench 4 - Single Core	342	422
Geekbench 4 - Multi-Core	1125	738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.611	0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.376	26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.196	0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.401	0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.046	2.408
3DMark Fire Strike - Physics Score		2400

Compare specifications (specs)

	AMD Athlon II X4 631	Intel Core 2 Duo E8400
Essentials
Architecture codename	Llano	Wolfdale
Family	AMD Athlon Processors
Launch date	August 2011	January 2008
OPN PIB	AD631XWNGXBOX
OPN Tray	AD631XWNZ43GX
Place in performance rating	3017	3024
Price now	$80	$129.95
Series	AMD Athlon II X4	Legacy Intel® Core™ Processors
Value for money (0-100)	11.61	4.87
Vertical segment	Desktop	Desktop
Processor Number		E8400
Status		Discontinued
Performance
64 bit support
Base frequency	2.6 GHz	3.00 GHz
Die size	228 mm	107 mm2
L1 cache	512 KB	128 KB
L2 cache	4 MB	6144 KB
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	70.10°C	72.4°C
Maximum frequency	2.6 GHz	3 GHz
Number of cores	4	2
Number of threads	4
Transistor count	1178 million	410 million
Unlocked
Bus Speed		1333 MHz FSB
Maximum case temperature (TCase)		72 °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 uPGA	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