AMD FX-8120 vs Intel Core i7-870
Comparative analysis of AMD FX-8120 and Intel Core i7-870 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).
Differences
Reasons to consider the AMD FX-8120
- CPU is newer: launch date 2 year(s) 1 month(s) later
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 4 more cores, run more applications at once: 8 vs 4
- Around 11% higher clock speed: 4 GHz vs 3.60 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
- Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
- 8x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 47% better performance in PassMark - CPU mark: 4631 vs 3160
- Around 3% better performance in Geekbench 4 - Multi-Core: 2092 vs 2032
- 7.3x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.468 vs 1.029
- Around 11% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.38 vs 0.342
- Around 22% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.613 vs 4.602
| Specifications (specs) | |
| Launch date | October 2011 vs September 2009 |
| Unlocked | Unlocked vs Locked |
| Number of cores | 8 vs 4 |
| Maximum frequency | 4 GHz vs 3.60 GHz |
| Manufacturing process technology | 32 nm vs 45 nm |
| L1 cache | 384 KB vs 64 KB (per core) |
| L2 cache | 8 MB vs 256 KB (per core) |
| Benchmarks | |
| PassMark - CPU mark | 4631 vs 3160 |
| Geekbench 4 - Multi-Core | 2092 vs 2032 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.468 vs 1.029 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.38 vs 0.342 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 5.613 vs 4.602 |
Reasons to consider the Intel Core i7-870
- Around 19% higher maximum core temperature: 72.7°C vs 61°C
- Around 32% lower typical power consumption: 95 Watt vs 125 Watt
- Around 4% better performance in PassMark - Single thread mark: 1385 vs 1330
- Around 14% better performance in Geekbench 4 - Single Core: 547 vs 480
- Around 2% better performance in 3DMark Fire Strike - Physics Score: 2453 vs 2399
- 3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 53.478 vs 18
- Around 72% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.541 vs 0.898
| Specifications (specs) | |
| Maximum core temperature | 72.7°C vs 61°C |
| Thermal Design Power (TDP) | 95 Watt vs 125 Watt |
| Benchmarks | |
| PassMark - Single thread mark | 1385 vs 1330 |
| Geekbench 4 - Single Core | 547 vs 480 |
| 3DMark Fire Strike - Physics Score | 2453 vs 2399 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 53.478 vs 18 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.541 vs 0.898 |
Compare benchmarks
CPU 1: AMD FX-8120
CPU 2: Intel Core i7-870
| 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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| 3DMark Fire Strike - Physics Score |
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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 FX-8120 | Intel Core i7-870 |
|---|---|---|
| PassMark - Single thread mark | 1330 | 1385 |
| PassMark - CPU mark | 4631 | 3160 |
| Geekbench 4 - Single Core | 480 | 547 |
| Geekbench 4 - Multi-Core | 2092 | 2032 |
| 3DMark Fire Strike - Physics Score | 2399 | 2453 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.468 | 1.029 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 18 | 53.478 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.38 | 0.342 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.898 | 1.541 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 5.613 | 4.602 |
Compare specifications (specs)
| AMD FX-8120 | Intel Core i7-870 | |
|---|---|---|
Essentials |
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| Architecture codename | Zambezi | Lynnfield |
| Family | AMD FX-Series Processors | |
| Launch date | October 2011 | September 2009 |
| OPN PIB | FD8120FRGUBOX | |
| OPN Tray | FD8120FRW8KGU | |
| Place in performance rating | 2675 | 2680 |
| Price now | $99.99 | $98.99 |
| Series | AMD FX 8-Core Black Edition Processors | Legacy Intel® Core™ Processors |
| Value for money (0-100) | 19.43 | 15.90 |
| Vertical segment | Desktop | Desktop |
| Launch price (MSRP) | $197 | |
| Processor Number | i7-870 | |
| Status | Discontinued | |
Performance |
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| 64 bit support | ||
| Base frequency | 3.1 GHz | 2.93 GHz |
| Die size | 315 mm | 296 mm2 |
| L1 cache | 384 KB | 64 KB (per core) |
| L2 cache | 8 MB | 256 KB (per core) |
| L3 cache | 8 MB | 8192 KB (shared) |
| Manufacturing process technology | 32 nm | 45 nm |
| Maximum core temperature | 61°C | 72.7°C |
| Maximum frequency | 4 GHz | 3.60 GHz |
| Number of cores | 8 | 4 |
| Number of threads | 8 | 8 |
| P0 Vcore voltage | Min: 1.0125 V - Max: 1.4125 V | |
| Transistor count | 1200 million | 774 million |
| Unlocked | ||
| Bus Speed | 2.5 GT/s DMI | |
| VID voltage range | 0.6500V-1.4000V | |
Memory |
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| Supported memory types | DDR3 1066/1333 | |
| Max memory channels | 2 | |
| Maximum memory bandwidth | 21 GB/s | |
| Maximum memory size | 16 GB | |
Compatibility |
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| Max number of CPUs in a configuration | 1 | 1 |
| Sockets supported | AM3+ | LGA1156 |
| Thermal Design Power (TDP) | 125 Watt | 95 Watt |
| Low Halogen Options Available | ||
| Package Size | 37.5mm x 37.5mm | |
Peripherals |
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| PCI Express revision | n / a | 2.0 |
| Max number of PCIe lanes | 16 | |
| PCIe configurations | 1x16, 2x8 | |
Advanced Technologies |
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| Fused Multiply-Add (FMA) | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Intel® AES New Instructions | ||
| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Instruction set extensions | Intel® SSE4.2 | |
| Intel 64 | ||
| Intel® Demand Based Switching | ||
| Intel® Hyper-Threading technology | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Physical Address Extensions (PAE) | 36-bit | |
| Thermal Monitoring | ||
Virtualization |
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| AMD Virtualization (AMD-V™) | ||
| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
| Intel® VT-x with Extended Page Tables (EPT) | ||
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Trusted Execution technology (TXT) | ||
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