AMD Athlon II X4 631 vs AMD Phenom II X2 555 BE

Comparative analysis of AMD Athlon II X4 631 and AMD Phenom II X2 555 BE processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, 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 - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Athlon II X4 631

AMD Phenom II X2 555 BE

Differences

Reasons to consider the AMD Athlon II X4 631

CPU is newer: launch date 1 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
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 64% better performance in PassMark - CPU mark: 2122 vs 1296
Around 48% better performance in Geekbench 4 - Multi-Core: 1125 vs 762
Around 60% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.611 vs 2.25
Around 7% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 10.376 vs 9.709
Around 51% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.196 vs 0.13
Around 88% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.401 vs 0.213
Around 75% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.046 vs 2.308

Specifications (specs)
Launch date	August 2011 vs January 2010
Number of cores	4 vs 2
Manufacturing process technology	32 nm vs 45 nm
L1 cache	512 KB vs 128 KB (per core)
L2 cache	4 MB vs 512 KB (per core)
Benchmarks
PassMark - CPU mark	2122 vs 1296
Geekbench 4 - Multi-Core	1125 vs 762
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.611 vs 2.25
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.376 vs 9.709
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.196 vs 0.13
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.401 vs 0.213
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.046 vs 2.308

Reasons to consider the AMD Phenom II X2 555 BE

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 23% higher clock speed: 3.2 GHz vs 2.6 GHz
Around 25% lower typical power consumption: 80 Watt vs 100 Watt
Around 17% better performance in PassMark - Single thread mark: 1307 vs 1115
Around 20% better performance in Geekbench 4 - Single Core: 411 vs 342

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.2 GHz vs 2.6 GHz
Thermal Design Power (TDP)	80 Watt vs 100 Watt
Benchmarks
PassMark - Single thread mark	1307 vs 1115
Geekbench 4 - Single Core	411 vs 342

Compare benchmarks

CPU 1: AMD Athlon II X4 631
CPU 2: AMD Phenom II X2 555 BE

PassMark - Single thread mark

CPU 1

CPU 2

1115

1307

PassMark - CPU mark

CPU 1

CPU 2

2122

1296

Geekbench 4 - Single Core

CPU 1

CPU 2

342

411

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1125

762

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.611

2.25

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

CPU 1

CPU 2

10.376

9.709

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

CPU 1

CPU 2

0.196

0.13

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.401

0.213

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.046

2.308

Name	AMD Athlon II X4 631	AMD Phenom II X2 555 BE
PassMark - Single thread mark	1115	1307
PassMark - CPU mark	2122	1296
Geekbench 4 - Single Core	342	411
Geekbench 4 - Multi-Core	1125	762
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.611	2.25
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.376	9.709
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.196	0.13
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.401	0.213
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.046	2.308

Compare specifications (specs)

	AMD Athlon II X4 631	AMD Phenom II X2 555 BE
Essentials
Architecture codename	Llano	Callisto
Family	AMD Athlon Processors
Launch date	August 2011	January 2010
OPN PIB	AD631XWNGXBOX
OPN Tray	AD631XWNZ43GX
Place in performance rating	3019	3035
Price now	$80
Series	AMD Athlon II X4
Value for money (0-100)	11.61
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.6 GHz
Die size	228 mm	258 mm
L1 cache	512 KB	128 KB (per core)
L2 cache	4 MB	512 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	70.10°C
Maximum frequency	2.6 GHz	3.2 GHz
Number of cores	4	2
Number of threads	4
Transistor count	1178 million	758 million
Unlocked
L3 cache		6144 KB (shared)
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1 uPGA	AM3
Thermal Design Power (TDP)	100 Watt	80 Watt
Virtualization
AMD Virtualization (AMD-V™)