AMD Athlon II X2 255 vs AMD Phenom II X4 920

Comparative analysis of AMD Athlon II X2 255 and AMD Phenom II X4 920 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Athlon II X2 255

AMD Phenom II X4 920

Differences

Reasons to consider the AMD Athlon II X2 255

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 11% higher clock speed: 3.1 GHz vs 2.8 GHz
2.8x lower typical power consumption: 45 Watt vs 125 Watt
Around 9% better performance in PassMark - Single thread mark: 1237 vs 1133

Specifications (specs)
Launch date	January 2010 vs January 2009
Maximum frequency	3.1 GHz vs 2.8 GHz
Thermal Design Power (TDP)	45 Watt vs 125 Watt
Benchmarks
PassMark - Single thread mark	1237 vs 1133

Reasons to consider the AMD Phenom II X4 920

2 more cores, run more applications at once: 4 vs 2
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 82% better performance in PassMark - CPU mark: 2181 vs 1199
4.7x better performance in Geekbench 4 - Single Core: 1674 vs 353
7.1x better performance in Geekbench 4 - Multi-Core: 4682 vs 660

Specifications (specs)
Number of cores	4 vs 2
L1 cache	128 KB (per core) vs 256 KB
Benchmarks
PassMark - CPU mark	2181 vs 1199
Geekbench 4 - Single Core	1674 vs 353
Geekbench 4 - Multi-Core	4682 vs 660

Compare benchmarks

CPU 1: AMD Athlon II X2 255
CPU 2: AMD Phenom II X4 920

PassMark - Single thread mark

CPU 1

CPU 2

1237

1133

PassMark - CPU mark

CPU 1

CPU 2

1199

2181

Geekbench 4 - Single Core

CPU 1

CPU 2

353

1674

Geekbench 4 - Multi-Core

CPU 1

CPU 2

660

4682

Name	AMD Athlon II X2 255	AMD Phenom II X4 920
PassMark - Single thread mark	1237	1133
PassMark - CPU mark	1199	2181
Geekbench 4 - Single Core	353	1674
Geekbench 4 - Multi-Core	660	4682
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		3.558
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		7.624
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.17
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.322
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		3.506

Compare specifications (specs)

	AMD Athlon II X2 255	AMD Phenom II X4 920
Essentials
Architecture codename	Regor	Deneb
Family	AMD Athlon Processors
Launch date	January 2010	January 2009
Launch price (MSRP)	$60	$90
OPN PIB	AD255EHDGMBOX
OPN Tray	AD255EHDK23GM
Place in performance rating	2540	2525
Price now	$65.22	$66.99
Series	AMD Athlon II X2
Value for money (0-100)	8.34	14.95
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.1 GHz
Die size	117 mm	258 mm
L1 cache	256 KB	128 KB (per core)
L2 cache	2 MB	512 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	72°C
Maximum frequency	3.1 GHz	2.8 GHz
Number of cores	2	4
Number of threads	2
Transistor count	410 million	758 million
Unlocked
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	125 Watt