AMD Athlon II X4 640 vs AMD Phenom II X2 555 BE
Comparative analysis of AMD Athlon II X4 640 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, 3DMark Fire Strike - Physics Score, 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), CompuBench 1.5 Desktop - Video Composition (Frames/s).
Differences
Reasons to consider the AMD Athlon II X4 640
- CPU is newer: launch date 3 month(s) later
- 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
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 73% better performance in PassMark - CPU mark: 2245 vs 1296
- Around 56% better performance in Geekbench 4 - Multi-Core: 1191 vs 762
- Around 23% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.776 vs 2.25
- Around 31% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.17 vs 0.13
- Around 76% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.052 vs 2.308
Specifications (specs) | |
Launch date | May 2010 vs January 2010 |
Number of cores | 4 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 | 2245 vs 1296 |
Geekbench 4 - Multi-Core | 1191 vs 762 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 2.776 vs 2.25 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.17 vs 0.13 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 4.052 vs 2.308 |
Reasons to consider the AMD Phenom II X2 555 BE
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 7% higher clock speed: 3.2 GHz vs 3 GHz
- Around 19% lower typical power consumption: 80 Watt vs 95 Watt
- Around 8% better performance in PassMark - Single thread mark: 1307 vs 1212
- Around 15% better performance in Geekbench 4 - Single Core: 411 vs 358
- Around 27% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 9.709 vs 7.618
Specifications (specs) | |
Unlocked | Unlocked vs Locked |
Maximum frequency | 3.2 GHz vs 3 GHz |
Thermal Design Power (TDP) | 80 Watt vs 95 Watt |
Benchmarks | |
PassMark - Single thread mark | 1307 vs 1212 |
Geekbench 4 - Single Core | 411 vs 358 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 9.709 vs 7.618 |
Compare benchmarks
CPU 1: AMD Athlon II X4 640
CPU 2: AMD Phenom II X2 555 BE
PassMark - Single thread mark |
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PassMark - CPU mark |
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Geekbench 4 - Single Core |
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Geekbench 4 - Multi-Core |
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CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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Name | AMD Athlon II X4 640 | AMD Phenom II X2 555 BE |
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PassMark - Single thread mark | 1212 | 1307 |
PassMark - CPU mark | 2245 | 1296 |
Geekbench 4 - Single Core | 358 | 411 |
Geekbench 4 - Multi-Core | 1191 | 762 |
3DMark Fire Strike - Physics Score | 0 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 2.776 | 2.25 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 7.618 | 9.709 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.17 | 0.13 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 4.052 | 2.308 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.213 |
Compare specifications (specs)
AMD Athlon II X4 640 | AMD Phenom II X2 555 BE | |
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Essentials |
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Architecture codename | Propus | Callisto |
Launch date | May 2010 | January 2010 |
Launch price (MSRP) | $80 | |
Place in performance rating | 3022 | 3035 |
Price now | $239.95 | |
Value for money (0-100) | 4.07 | |
Vertical segment | Desktop | Desktop |
Performance |
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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 GHz | 3.2 GHz |
Number of cores | 4 | 2 |
Transistor count | 300 million | 758 million |
L3 cache | 6144 KB (shared) | |
Unlocked | ||
Memory |
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Supported memory types | DDR3 | DDR3 |
Compatibility |
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Max number of CPUs in a configuration | 1 | 1 |
Sockets supported | AM3 | AM3 |
Thermal Design Power (TDP) | 95 Watt | 80 Watt |