AMD A8-3870K vs AMD Phenom II X4 920
Comparative analysis of AMD A8-3870K and AMD Phenom II X4 920 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization. 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).
Differences
Reasons to consider the AMD A8-3870K
- CPU is newer: launch date 2 year(s) 10 month(s) later
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 7% higher clock speed: 3 GHz vs 2.8 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 25% lower typical power consumption: 100 Watt vs 125 Watt
- Around 7% better performance in PassMark - Single thread mark: 1210 vs 1130
- Around 8% better performance in PassMark - CPU mark: 2328 vs 2156
- Around 24% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 9.482 vs 7.624
- Around 12% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.191 vs 0.17
- Around 24% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.4 vs 0.322
Specifications (specs) | |
Launch date | December 2011 vs January 2009 |
Unlocked | Unlocked vs Locked |
Maximum frequency | 3 GHz vs 2.8 GHz |
Manufacturing process technology | 32 nm vs 45 nm |
L2 cache | 1024 KB (per core) vs 512 KB (per core) |
Thermal Design Power (TDP) | 100 Watt vs 125 Watt |
Benchmarks | |
PassMark - Single thread mark | 1210 vs 1130 |
PassMark - CPU mark | 2328 vs 2156 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 9.482 vs 7.624 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.191 vs 0.17 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.4 vs 0.322 |
Reasons to consider the AMD Phenom II X4 920
- 4.5x better performance in Geekbench 4 - Single Core: 1674 vs 373
- 4x better performance in Geekbench 4 - Multi-Core: 4682 vs 1172
- Around 22% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.558 vs 2.914
- Around 5% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.506 vs 3.344
Benchmarks | |
Geekbench 4 - Single Core | 1674 vs 373 |
Geekbench 4 - Multi-Core | 4682 vs 1172 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 3.558 vs 2.914 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 3.506 vs 3.344 |
Compare benchmarks
CPU 1: AMD A8-3870K
CPU 2: AMD Phenom II X4 920
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 - Video Composition (Frames/s) |
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CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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Name | AMD A8-3870K | AMD Phenom II X4 920 |
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PassMark - Single thread mark | 1210 | 1130 |
PassMark - CPU mark | 2328 | 2156 |
Geekbench 4 - Single Core | 373 | 1674 |
Geekbench 4 - Multi-Core | 1172 | 4682 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 2.914 | 3.558 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 9.482 | 7.624 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.191 | 0.17 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.4 | 0.322 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 3.344 | 3.506 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 762 | |
GFXBench 4.0 - Manhattan (Frames) | 1721 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 762 | |
GFXBench 4.0 - Manhattan (Fps) | 1721 |
Compare specifications (specs)
AMD A8-3870K | AMD Phenom II X4 920 | |
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Essentials |
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Architecture codename | Llano | Deneb |
Launch date | December 2011 | January 2009 |
Place in performance rating | 2549 | 2525 |
Vertical segment | Desktop | Desktop |
Launch price (MSRP) | $90 | |
Price now | $66.99 | |
Value for money (0-100) | 14.95 | |
Performance |
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64 bit support | ||
Die size | 228 mm | 258 mm |
L1 cache | 128 KB (per core) | 128 KB (per core) |
L2 cache | 1024 KB (per core) | 512 KB (per core) |
Manufacturing process technology | 32 nm | 45 nm |
Maximum frequency | 3 GHz | 2.8 GHz |
Number of cores | 4 | 4 |
Transistor count | 1178 million | 758 million |
Unlocked | ||
L3 cache | 6144 KB (shared) | |
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 | FM1 | AM3 |
Thermal Design Power (TDP) | 100 Watt | 125 Watt |
Virtualization |
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AMD Virtualization (AMD-V™) |