AMD Athlon II X3 445 vs AMD Phenom II X2 555 BE

Comparative analysis of AMD Athlon II X3 445 and AMD Phenom II X2 555 BE 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 X3 445

AMD Phenom II X2 555 BE

Differences

Reasons to consider the AMD Athlon II X3 445

CPU is newer: launch date 3 month(s) later
1 more cores, run more applications at once: 3 vs 2
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 40% better performance in PassMark - CPU mark: 1823 vs 1301
Around 36% better performance in Geekbench 4 - Multi-Core: 1036 vs 762
Around 22% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.259 vs 0.213
Around 37% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.169 vs 2.308

Specifications (specs)
Launch date	May 2010 vs January 2010
Number of cores	3 vs 2
L1 cache	128 KB (per core) vs 128 KB (per core)
L2 cache	512 KB (per core) vs 512 KB (per core)
Benchmarks
PassMark - CPU mark	1823 vs 1301
Geekbench 4 - Multi-Core	1036 vs 762
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.259 vs 0.213
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.169 vs 2.308

Reasons to consider the AMD Phenom II X2 555 BE

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 3% higher clock speed: 3.2 GHz vs 3.1 GHz
Around 19% lower typical power consumption: 80 Watt vs 95 Watt
Around 3% better performance in PassMark - Single thread mark: 1312 vs 1274
Around 7% better performance in Geekbench 4 - Single Core: 411 vs 383
Around 29% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.25 vs 1.743
2.2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 9.709 vs 4.487
Around 57% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.13 vs 0.083

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.2 GHz vs 3.1 GHz
Thermal Design Power (TDP)	80 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1312 vs 1274
Geekbench 4 - Single Core	411 vs 383
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.25 vs 1.743
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.709 vs 4.487
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.13 vs 0.083

Compare benchmarks

CPU 1: AMD Athlon II X3 445
CPU 2: AMD Phenom II X2 555 BE

PassMark - Single thread mark

CPU 1

CPU 2

1274

1312

PassMark - CPU mark

CPU 1

CPU 2

1823

1301

Geekbench 4 - Single Core

CPU 1

CPU 2

383

411

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1036

762

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.743

2.25

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

4.487

9.709

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.083

0.13

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.259

0.213

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.169

2.308

Name	AMD Athlon II X3 445	AMD Phenom II X2 555 BE
PassMark - Single thread mark	1274	1312
PassMark - CPU mark	1823	1301
Geekbench 4 - Single Core	383	411
Geekbench 4 - Multi-Core	1036	762
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.743	2.25
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	4.487	9.709
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.083	0.13
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.259	0.213
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.169	2.308

Compare specifications (specs)

	AMD Athlon II X3 445	AMD Phenom II X2 555 BE
Essentials
Architecture codename	Rana	Callisto
Launch date	May 2010	January 2010
Launch price (MSRP)	$91
Place in performance rating	3053	3032
Price now	$91
Value for money (0-100)	8.33
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	169 mm	258 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	45 nm
Maximum frequency	3.1 GHz	3.2 GHz
Number of cores	3	2
Transistor count	300 million	758 million
L3 cache		6144 KB (shared)
Unlocked
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	95 Watt	80 Watt