AMD A8-3870K vs AMD Athlon II X4 651

Comparative analysis of AMD A8-3870K and AMD Athlon II X4 651 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).

AMD A8-3870K

AMD Athlon II X4 651

Differences

Reasons to consider the AMD A8-3870K

CPU is newer: launch date 0 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking

Launch date	December 2011 vs November 2011
Unlocked	Unlocked vs Locked

Reasons to consider the AMD Athlon II X4 651

Around 5% better performance in PassMark - Single thread mark: 1271 vs 1213
Around 4% better performance in PassMark - CPU mark: 2443 vs 2340
Around 6% better performance in Geekbench 4 - Single Core: 396 vs 373
Around 14% better performance in Geekbench 4 - Multi-Core: 1335 vs 1172
Around 4% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.042 vs 2.914
Around 10% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.69 vs 3.344

Benchmarks
PassMark - Single thread mark	1271 vs 1213
PassMark - CPU mark	2443 vs 2340
Geekbench 4 - Single Core	396 vs 373
Geekbench 4 - Multi-Core	1335 vs 1172
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.042 vs 2.914
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.69 vs 3.344

Compare benchmarks

CPU 1: AMD A8-3870K
CPU 2: AMD Athlon II X4 651

PassMark - Single thread mark

CPU 1

CPU 2

1213

1271

PassMark - CPU mark

CPU 1

CPU 2

2340

2443

Geekbench 4 - Single Core

CPU 1

CPU 2

373

396

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1172

1335

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.914

3.042

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.344

3.69

Name	AMD A8-3870K	AMD Athlon II X4 651
PassMark - Single thread mark	1213	1271
PassMark - CPU mark	2340	2443
Geekbench 4 - Single Core	373	396
Geekbench 4 - Multi-Core	1172	1335
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.914	3.042
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.344	3.69
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

Compare specifications (specs)

	AMD A8-3870K	AMD Athlon II X4 651
Essentials
Architecture codename	Llano	Llano
Launch date	December 2011	November 2011
Place in performance rating	2560	2736
Vertical segment	Desktop	Desktop
Price now		$178.04
Value for money (0-100)		5.93
Performance
64 bit support
Die size	228 mm	228 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	1024 KB (per core)	1024 KB (per core)
Manufacturing process technology	32 nm	32 nm
Maximum frequency	3 GHz	3 GHz
Number of cores	4	4
Transistor count	1178 million	1178 million
Unlocked
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1	FM1
Thermal Design Power (TDP)	100 Watt	100 Watt
Virtualization
AMD Virtualization (AMD-V™)