AMD Athlon II X2 270u vs AMD Phenom II X2 545

Comparative analysis of AMD Athlon II X2 270u and AMD Phenom II X2 545 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 Phenom II X2 545

Differences

Reasons to consider the AMD Athlon II X2 270u

CPU is newer: launch date 1 year(s) 3 month(s) later
3.2x lower typical power consumption: 25 Watt vs 80 Watt

Launch date	September 2010 vs June 2009
Thermal Design Power (TDP)	25 Watt vs 80 Watt

Reasons to consider the AMD Phenom II X2 545

Around 50% higher clock speed: 3 GHz vs 2 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 50% better performance in PassMark - Single thread mark: 1183 vs 791
Around 81% better performance in PassMark - CPU mark: 1222 vs 675

Specifications (specs)
Maximum frequency	3 GHz vs 2 GHz
L1 cache	128 KB (per core) vs 128 KB
Benchmarks
PassMark - Single thread mark	1183 vs 791
PassMark - CPU mark	1222 vs 675

Compare benchmarks

CPU 1: AMD Athlon II X2 270u
CPU 2: AMD Phenom II X2 545

PassMark - Single thread mark

CPU 1

CPU 2

791

1183

PassMark - CPU mark

CPU 1

CPU 2

675

1222

Name	AMD Athlon II X2 270u	AMD Phenom II X2 545
PassMark - Single thread mark	791	1183
PassMark - CPU mark	675	1222
Geekbench 4 - Single Core		395
Geekbench 4 - Multi-Core		703

Compare specifications (specs)

	AMD Athlon II X2 270u	AMD Phenom II X2 545
Essentials
Architecture codename	Regor	Callisto
Launch date	September 2010	June 2009
Launch price (MSRP)	$68	$50
Place in performance rating	2573	2559
Price now	$67.67	$43.98
Value for money (0-100)	5.88	12.80
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	117 mm	258 mm
L1 cache	128 KB	128 KB (per core)
L2 cache	1024 KB	512 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	2 GHz	3 GHz
Number of cores	2	2
Transistor count	410 million	758 million
L3 cache		6144 KB (per core)
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	80 Watt