AMD Phenom II X2 B57 vs AMD Athlon II X3 400e

Comparative analysis of AMD Phenom II X2 B57 and AMD Athlon II X3 400e 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.

AMD Phenom II X2 B57

AMD Athlon II X3 400e

Differences

Reasons to consider the AMD Phenom II X2 B57

CPU is newer: launch date 7 month(s) later
Around 45% higher clock speed: 3.2 GHz vs 2.2 GHz
Around 40% better performance in PassMark - Single thread mark: 1273 vs 908

Specifications (specs)
Launch date	May 2010 vs October 2009
Maximum frequency	3.2 GHz vs 2.2 GHz
Benchmarks
PassMark - Single thread mark	1273 vs 908

Reasons to consider the AMD Athlon II X3 400e

1 more cores, run more applications at once: 3 vs 2
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 78% lower typical power consumption: 45 Watt vs 80 Watt
Around 6% better performance in PassMark - CPU mark: 1320 vs 1247

Specifications (specs)
Number of cores	3 vs 2
L1 cache	128 KB (per core) vs 128 KB (per core)
L2 cache	512 KB (per core) vs 512 KB (per core)
Thermal Design Power (TDP)	45 Watt vs 80 Watt
Benchmarks
PassMark - CPU mark	1320 vs 1247

Compare benchmarks

CPU 1: AMD Phenom II X2 B57
CPU 2: AMD Athlon II X3 400e

PassMark - Single thread mark

CPU 1

CPU 2

1273

908

PassMark - CPU mark

CPU 1

CPU 2

1247

1320

Name	AMD Phenom II X2 B57	AMD Athlon II X3 400e
PassMark - Single thread mark	1273	908
PassMark - CPU mark	1247	1320
Geekbench 4 - Single Core		1398
Geekbench 4 - Multi-Core		3137

Compare specifications (specs)

	AMD Phenom II X2 B57	AMD Athlon II X3 400e
Essentials
Architecture codename	Callisto	Rana
Family	AMD Phenom
Launch date	May 2010	October 2009
OPN Tray	HDXB57WFK2DGM
Place in performance rating	1888	1901
Series	AMD Business Class - AMD Phenom X2 Dual-Core
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$107
Price now		$107.43
Value for money (0-100)		5.51
Performance
64 bit support
Base frequency	3.2 GHz
Die size	258 mm	169 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	6144 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	3.2 GHz	2.2 GHz
Number of cores	2	3
Number of threads	2
Transistor count	758 million	300 million
Unlocked
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	80 Watt	45 Watt