AMD Athlon II X3 405e vs AMD Phenom X3 8400

Comparative analysis of AMD Athlon II X3 405e and AMD Phenom X3 8400 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.

AMD Athlon II X3 405e

AMD Phenom X3 8400

Differences

Reasons to consider the AMD Athlon II X3 405e

CPU is newer: launch date 1 year(s) 7 month(s) later
Around 10% higher clock speed: 2.3 GHz vs 2.1 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
2.1x lower typical power consumption: 45 Watt vs 95 Watt
Around 19% better performance in PassMark - Single thread mark: 973 vs 819
Around 14% better performance in PassMark - CPU mark: 1331 vs 1164

Specifications (specs)
Launch date	October 2009 vs March 2008
Maximum frequency	2.3 GHz vs 2.1 GHz
Manufacturing process technology	45 nm vs 65 nm
Thermal Design Power (TDP)	45 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	973 vs 819
PassMark - CPU mark	1331 vs 1164

Compare benchmarks

CPU 1: AMD Athlon II X3 405e
CPU 2: AMD Phenom X3 8400

PassMark - Single thread mark

CPU 1

CPU 2

973

819

PassMark - CPU mark

CPU 1

CPU 2

1331

1164

Name	AMD Athlon II X3 405e	AMD Phenom X3 8400
PassMark - Single thread mark	973	819
PassMark - CPU mark	1331	1164
Geekbench 4 - Single Core		973
Geekbench 4 - Multi-Core		2405

Compare specifications (specs)

	AMD Athlon II X3 405e	AMD Phenom X3 8400
Essentials
Architecture codename	Rana	Toliman
Launch date	October 2009	March 2008
Launch price (MSRP)	$80
Place in performance rating	2313	2297
Price now	$79.99
Value for money (0-100)	7.46
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	169 mm	285 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	65 nm
Maximum frequency	2.3 GHz	2.1 GHz
Number of cores	3	3
Transistor count	300 million	450 million
L3 cache		2048 KB (shared)
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM2+
Thermal Design Power (TDP)	45 Watt	95 Watt
Virtualization
AMD Virtualization (AMD-V™)