AMD Athlon II X4 645 vs AMD Sempron 145
Comparative analysis of AMD Athlon II X4 645 and AMD Sempron 145 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).
Differences
Reasons to consider the AMD Athlon II X4 645
- 3 more cores, run more applications at once: 4 vs 1
- Around 11% higher clock speed: 3.1 GHz vs 2.8 GHz
- 4x 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 24% better performance in PassMark - Single thread mark: 1256 vs 1015
- 4.5x better performance in PassMark - CPU mark: 2348 vs 518
- Around 15% better performance in Geekbench 4 - Single Core: 375 vs 325
- 3.8x better performance in Geekbench 4 - Multi-Core: 1215 vs 317
Specifications (specs) | |
Number of cores | 4 vs 1 |
Maximum frequency | 3.1 GHz vs 2.8 GHz |
L1 cache | 128 KB (per core) vs 128 KB (per core) |
L2 cache | 512 KB (per core) vs 1024 KB (per core) |
Benchmarks | |
PassMark - Single thread mark | 1256 vs 1015 |
PassMark - CPU mark | 2348 vs 518 |
Geekbench 4 - Single Core | 375 vs 325 |
Geekbench 4 - Multi-Core | 1215 vs 317 |
Reasons to consider the AMD Sempron 145
- 2.1x lower typical power consumption: 45 Watt vs 95 Watt
Thermal Design Power (TDP) | 45 Watt vs 95 Watt |
Compare benchmarks
CPU 1: AMD Athlon II X4 645
CPU 2: AMD Sempron 145
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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Name | AMD Athlon II X4 645 | AMD Sempron 145 |
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PassMark - Single thread mark | 1256 | 1015 |
PassMark - CPU mark | 2348 | 518 |
Geekbench 4 - Single Core | 375 | 325 |
Geekbench 4 - Multi-Core | 1215 | 317 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 2.103 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 9.496 |
Compare specifications (specs)
AMD Athlon II X4 645 | AMD Sempron 145 | |
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Essentials |
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Architecture codename | Propus | Sargas |
Launch date | September 2010 | September 2010 |
Launch price (MSRP) | $80 | $95 |
Place in performance rating | 2780 | 2751 |
Price now | $49.99 | $16.98 |
Value for money (0-100) | 20.48 | 14.02 |
Vertical segment | Desktop | Desktop |
Performance |
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64 bit support | ||
Die size | 169 mm | 117 mm |
L1 cache | 128 KB (per core) | 128 KB (per core) |
L2 cache | 512 KB (per core) | 1024 KB (per core) |
Manufacturing process technology | 45 nm | 45 nm |
Maximum frequency | 3.1 GHz | 2.8 GHz |
Number of cores | 4 | 1 |
Transistor count | 300 million | 234 million |
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 | 45 Watt |