AMD Phenom II X4 840 vs AMD Athlon 64 X2 5400+

Comparative analysis of AMD Phenom II X4 840 and AMD Athlon 64 X2 5400+ 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, 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 Phenom II X4 840

AMD Athlon 64 X2 5400+

Differences

Reasons to consider the AMD Phenom II X4 840

CPU is newer: launch date 4 year(s) 1 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 14% higher clock speed: 3.2 GHz vs 2.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 50% better performance in PassMark - CPU mark: 2425 vs 1614

Specifications (specs)
Launch date	January 2011 vs December 2006
Number of cores	4 vs 2
Maximum frequency	3.2 GHz vs 2.8 GHz
Manufacturing process technology	45 nm vs 90 nm
L1 cache	512 KB vs 256 KB
L2 cache	2 MB vs 512 KB
Benchmarks
PassMark - CPU mark	2425 vs 1614

Reasons to consider the AMD Athlon 64 X2 5400+

Around 7% lower typical power consumption: 89 Watt vs 95 Watt
3.3x better performance in Geekbench 4 - Single Core: 1300 vs 391
Around 61% better performance in Geekbench 4 - Multi-Core: 2136 vs 1325

Specifications (specs)
Thermal Design Power (TDP)	89 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	1300 vs 391
Geekbench 4 - Multi-Core	2136 vs 1325

Compare benchmarks

CPU 1: AMD Phenom II X4 840
CPU 2: AMD Athlon 64 X2 5400+

PassMark - CPU mark

CPU 1

CPU 2

2425

1614

Geekbench 4 - Single Core

CPU 1

CPU 2

391

1300

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1325

2136

Name	AMD Phenom II X4 840	AMD Athlon 64 X2 5400+
PassMark - Single thread mark	1299	0
PassMark - CPU mark	2425	1614
Geekbench 4 - Single Core	391	1300
Geekbench 4 - Multi-Core	1325	2136
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.92
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	8.884
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.159
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.91

Compare specifications (specs)

	AMD Phenom II X4 840	AMD Athlon 64 X2 5400+
Essentials
Architecture codename	Propus	Windsor
Family	AMD Phenom
Launch date	January 2011	December 2006
Launch price (MSRP)	$90
OPN PIB	HDX840WFGMBOX
OPN Tray	HDX840WFK42GM
Place in performance rating	2870	2665
Price now	$89.95	$52.99
Series	AMD Phenom II X4
Value for money (0-100)	11.50	8.03
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.2 GHz
Die size	169 mm	220 mm
L1 cache	512 KB	256 KB
L2 cache	2 MB	512 KB
Manufacturing process technology	45 nm	90 nm
Maximum core temperature	71°C
Maximum frequency	3.2 GHz	2.8 GHz
Number of cores	4	2
Number of threads	4
Transistor count	300 million	154 million
Unlocked
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM2
Thermal Design Power (TDP)	95 Watt	89 Watt