AMD Athlon II X2 270u vs AMD Athlon II X2 255

Comparative analysis of AMD Athlon II X2 270u and AMD Athlon II X2 255 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 Athlon II X2 270u

AMD Athlon II X2 255

Differences

Reasons to consider the AMD Athlon II X2 270u

CPU is newer: launch date 8 month(s) later
Around 80% lower typical power consumption: 25 Watt vs 45 Watt

Launch date	September 2010 vs January 2010
Thermal Design Power (TDP)	25 Watt vs 45 Watt

Reasons to consider the AMD Athlon II X2 255

Around 55% higher clock speed: 3.1 GHz vs 2 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 56% better performance in PassMark - Single thread mark: 1231 vs 791
Around 74% better performance in PassMark - CPU mark: 1177 vs 675

Specifications (specs)
Maximum frequency	3.1 GHz vs 2 GHz
L1 cache	256 KB vs 128 KB
L2 cache	2 MB vs 1024 KB
Benchmarks
PassMark - Single thread mark	1231 vs 791
PassMark - CPU mark	1177 vs 675

Compare benchmarks

CPU 1: AMD Athlon II X2 270u
CPU 2: AMD Athlon II X2 255

PassMark - Single thread mark

CPU 1

CPU 2

791

1231

PassMark - CPU mark

CPU 1

CPU 2

675

1177

Name	AMD Athlon II X2 270u	AMD Athlon II X2 255
PassMark - Single thread mark	791	1231
PassMark - CPU mark	675	1177
Geekbench 4 - Single Core		353
Geekbench 4 - Multi-Core		660

Compare specifications (specs)

	AMD Athlon II X2 270u	AMD Athlon II X2 255
Essentials
Architecture codename	Regor	Regor
Launch date	September 2010	January 2010
Launch price (MSRP)	$68	$60
Place in performance rating	2573	2557
Price now	$67.67	$65.22
Value for money (0-100)	5.88	8.34
Vertical segment	Desktop	Desktop
Family		AMD Athlon Processors
OPN PIB		AD255EHDGMBOX
OPN Tray		AD255EHDK23GM
Series		AMD Athlon II X2
Performance
64 bit support
Die size	117 mm	117 mm
L1 cache	128 KB	256 KB
L2 cache	1024 KB	2 MB
Manufacturing process technology	45 nm	45 nm
Maximum frequency	2 GHz	3.1 GHz
Number of cores	2	2
Transistor count	410 million	410 million
Base frequency		3.1 GHz
Maximum core temperature		72°C
Number of threads		2
Unlocked
Memory
Supported memory types	DDR2, DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	25 Watt	45 Watt