AMD Athlon II X4 640 vs AMD Athlon II X2 245

Comparative analysis of AMD Athlon II X4 640 and AMD Athlon II X2 245 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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 - Bitcoin Mining (mHash/s).

AMD Athlon II X4 640

AMD Athlon II X2 245

Differences

Reasons to consider the AMD Athlon II X4 640

CPU is newer: launch date 10 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 3% higher clock speed: 3 GHz vs 2.9 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 7% better performance in PassMark - Single thread mark: 1212 vs 1134
2x better performance in PassMark - CPU mark: 2262 vs 1126
Around 84% better performance in Geekbench 4 - Multi-Core: 1191 vs 648

Specifications (specs)
Launch date	May 2010 vs July 2009
Number of cores	4 vs 2
Maximum frequency	3 GHz vs 2.9 GHz
L1 cache	128 KB (per core) vs 256 KB
Benchmarks
PassMark - Single thread mark	1212 vs 1134
PassMark - CPU mark	2262 vs 1126
Geekbench 4 - Single Core	358 vs 357
Geekbench 4 - Multi-Core	1191 vs 648

Reasons to consider the AMD Athlon II X2 245

Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Thermal Design Power (TDP)	65 Watt vs 95 Watt

Compare benchmarks

CPU 1: AMD Athlon II X4 640
CPU 2: AMD Athlon II X2 245

PassMark - Single thread mark

CPU 1

CPU 2

1212

1134

PassMark - CPU mark

CPU 1

CPU 2

2262

1126

Geekbench 4 - Single Core

CPU 1

CPU 2

358

357

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1191

648

Name	AMD Athlon II X4 640	AMD Athlon II X2 245
PassMark - Single thread mark	1212	1134
PassMark - CPU mark	2262	1126
Geekbench 4 - Single Core	358	357
Geekbench 4 - Multi-Core	1191	648
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.776
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	7.618
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.17
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.052

Compare specifications (specs)

	AMD Athlon II X4 640	AMD Athlon II X2 245
Essentials
Architecture codename	Propus	Regor
Launch date	May 2010	July 2009
Launch price (MSRP)	$80	$35
Place in performance rating	3034	2619
Price now	$239.95	$34.95
Value for money (0-100)	4.07	13.95
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	169 mm	117 mm
L1 cache	128 KB (per core)	256 KB
L2 cache	512 KB (per core)	2048 KB
Manufacturing process technology	45 nm	45 nm
Maximum frequency	3 GHz	2.9 GHz
Number of cores	4	2
Transistor count	300 million	410 million
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	95 Watt	65 Watt