AMD A4-3400 vs AMD Athlon II X4 640

Comparative analysis of AMD A4-3400 and AMD Athlon II X4 640 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), 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD A4-3400

AMD Athlon II X4 640

Differences

Reasons to consider the AMD A4-3400

CPU is newer: launch date 1 year(s) 4 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Launch date	September 2011 vs May 2010
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	65 Watt vs 95 Watt

Reasons to consider the AMD Athlon II X4 640

2 more cores, run more applications at once: 4 vs 2
Around 11% higher clock speed: 3 GHz vs 2.7 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 12% better performance in PassMark - Single thread mark: 1212 vs 1082
2.1x better performance in PassMark - CPU mark: 2245 vs 1086
Around 4% better performance in Geekbench 4 - Single Core: 358 vs 344
Around 91% better performance in Geekbench 4 - Multi-Core: 1191 vs 625
Around 67% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.776 vs 1.658
Around 22% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 7.618 vs 6.238
Around 48% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.17 vs 0.115

Specifications (specs)
Number of cores	4 vs 2
Maximum frequency	3 GHz vs 2.7 GHz
L1 cache	128 KB (per core) vs 128 KB (per core)
L2 cache	512 KB (per core) vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1212 vs 1082
PassMark - CPU mark	2245 vs 1086
Geekbench 4 - Single Core	358 vs 344
Geekbench 4 - Multi-Core	1191 vs 625
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.776 vs 1.658
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	7.618 vs 6.238
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.17 vs 0.115

Compare benchmarks

CPU 1: AMD A4-3400
CPU 2: AMD Athlon II X4 640

PassMark - Single thread mark

CPU 1

CPU 2

1082

1212

PassMark - CPU mark

CPU 1

CPU 2

1086

2245

Geekbench 4 - Single Core

CPU 1

CPU 2

344

358

Geekbench 4 - Multi-Core

CPU 1

CPU 2

625

1191

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.658

2.776

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

CPU 1

CPU 2

6.238

7.618

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

CPU 1

CPU 2

0.115

0.17

Name	AMD A4-3400	AMD Athlon II X4 640
PassMark - Single thread mark	1082	1212
PassMark - CPU mark	1086	2245
Geekbench 4 - Single Core	344	358
Geekbench 4 - Multi-Core	625	1191
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.658	2.776
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	6.238	7.618
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.115	0.17
3DMark Fire Strike - Physics Score		0
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		4.052

Compare specifications (specs)

	AMD A4-3400	AMD Athlon II X4 640
Essentials
Architecture codename	Llano	Propus
Launch date	September 2011	May 2010
Place in performance rating	3001	3022
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$80
Price now		$239.95
Value for money (0-100)		4.07
Performance
64 bit support
Die size	228 mm	169 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum frequency	2.7 GHz	3 GHz
Number of cores	2	4
Transistor count	1178 million	300 million
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1	AM3
Thermal Design Power (TDP)	65 Watt	95 Watt
Virtualization
AMD Virtualization (AMD-V™)