AMD Athlon II X3 405e vs AMD Phenom II X4 900e

Comparative analysis of AMD Athlon II X3 405e and AMD Phenom II X4 900e processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Athlon II X3 405e

AMD Phenom II X4 900e

Differences

Reasons to consider the AMD Athlon II X3 405e

CPU is newer: launch date 3 month(s) later
Around 44% lower typical power consumption: 45 Watt vs 65 Watt
Around 1% better performance in PassMark - Single thread mark: 973 vs 966

Specifications (specs)
Launch date	October 2009 vs June 2009
Thermal Design Power (TDP)	45 Watt vs 65 Watt
Benchmarks
PassMark - Single thread mark	973 vs 966

Reasons to consider the AMD Phenom II X4 900e

1 more cores, run more applications at once: 4 vs 3
Around 4% higher clock speed: 2.4 GHz vs 2.3 GHz
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 30% better performance in PassMark - CPU mark: 1727 vs 1331

Specifications (specs)
Number of cores	4 vs 3
Maximum frequency	2.4 GHz vs 2.3 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 - CPU mark	1727 vs 1331

Compare benchmarks

CPU 1: AMD Athlon II X3 405e
CPU 2: AMD Phenom II X4 900e

PassMark - Single thread mark

CPU 1

CPU 2

973

966

PassMark - CPU mark

CPU 1

CPU 2

1331

1727

Name	AMD Athlon II X3 405e	AMD Phenom II X4 900e
PassMark - Single thread mark	973	966
PassMark - CPU mark	1331	1727

Compare specifications (specs)

	AMD Athlon II X3 405e	AMD Phenom II X4 900e
Essentials
Architecture codename	Rana	Deneb
Launch date	October 2009	June 2009
Launch price (MSRP)	$80
Place in performance rating	2307	2309
Price now	$79.99
Value for money (0-100)	7.46
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	169 mm	258 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	2.3 GHz	2.4 GHz
Number of cores	3	4
Transistor count	300 million	758 million
L3 cache		6144 KB (shared)
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	45 Watt	65 Watt