AMD Phenom II X3 720 vs Intel Core i7-975
Comparative analysis of AMD Phenom II X3 720 and Intel Core i7-975 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, 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).
Differences
Reasons to consider the AMD Phenom II X3 720
- CPU is newer: launch date 7 month(s) later
- 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 37% lower typical power consumption: 95 Watt vs 130 Watt
| Launch date | January 2010 vs June 2009 |
| L1 cache | 128 KB (per core) vs 64 KB (per core) |
| L2 cache | 512 KB (per core) vs 256 KB (per core) |
| Thermal Design Power (TDP) | 95 Watt vs 130 Watt |
Reasons to consider the Intel Core i7-975
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 1 more cores, run more applications at once: 4 vs 3
- Around 29% higher clock speed: 3.60 GHz vs 2.8 GHz
- Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
- Around 36% better performance in PassMark - Single thread mark: 1500 vs 1105
- 2.2x better performance in PassMark - CPU mark: 3494 vs 1575
- Around 62% better performance in Geekbench 4 - Single Core: 606 vs 374
- 2.5x better performance in Geekbench 4 - Multi-Core: 2380 vs 968
| Specifications (specs) | |
| Unlocked | Unlocked vs Locked |
| Number of cores | 4 vs 3 |
| Maximum frequency | 3.60 GHz vs 2.8 GHz |
| L3 cache | 8192 KB (shared) vs 6144 KB (shared) |
| Benchmarks | |
| PassMark - Single thread mark | 1500 vs 1105 |
| PassMark - CPU mark | 3494 vs 1575 |
| Geekbench 4 - Single Core | 606 vs 374 |
| Geekbench 4 - Multi-Core | 2380 vs 968 |
Compare benchmarks
CPU 1: AMD Phenom II X3 720
CPU 2: Intel Core i7-975
| 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 Phenom II X3 720 | Intel Core i7-975 |
|---|---|---|
| PassMark - Single thread mark | 1105 | 1500 |
| PassMark - CPU mark | 1575 | 3494 |
| Geekbench 4 - Single Core | 374 | 606 |
| Geekbench 4 - Multi-Core | 968 | 2380 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 1.084 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 63.217 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.376 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.858 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 5.196 |
Compare specifications (specs)
| AMD Phenom II X3 720 | Intel Core i7-975 | |
|---|---|---|
Essentials |
||
| Architecture codename | Heka | Bloomfield |
| Launch date | January 2010 | June 2009 |
| Launch price (MSRP) | $75 | $476 |
| Place in performance rating | 2587 | 2589 |
| Price now | $69.99 | $179.99 |
| Value for money (0-100) | 11.28 | 10.04 |
| Vertical segment | Desktop | Desktop |
| Processor Number | i7-975 | |
| Series | Legacy Intel® Core™ Processors | |
| Status | Discontinued | |
Performance |
||
| 64 bit support | ||
| Die size | 258 mm | 263 mm2 |
| L1 cache | 128 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 256 KB (per core) |
| L3 cache | 6144 KB (shared) | 8192 KB (shared) |
| Manufacturing process technology | 45 nm | 45 nm |
| Maximum frequency | 2.8 GHz | 3.60 GHz |
| Number of cores | 3 | 4 |
| Transistor count | 758 million | 731 million |
| Base frequency | 3.33 GHz | |
| Bus Speed | 6.4 GT/s QPI | |
| Front-side bus (FSB) | 1333 MHz | |
| Maximum core temperature | 67.9°C | |
| Number of QPI Links | 1 | |
| Number of threads | 8 | |
| Unlocked | ||
| VID voltage range | 0.800V-1.375V | |
Memory |
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| Supported memory types | DDR3 | DDR3 800/1066 |
| Max memory channels | 3 | |
| Maximum memory bandwidth | 25.6 GB/s | |
| Maximum memory size | 24 GB | |
Compatibility |
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| Max number of CPUs in a configuration | 1 | 1 |
| Sockets supported | AM3 | FCLGA1366 |
| Thermal Design Power (TDP) | 95 Watt | 130 Watt |
| Low Halogen Options Available | ||
| Package Size | 42.5mm x 45.0mm | |
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Instruction set extensions | Intel® SSE4.2 | |
| Intel 64 | ||
| Intel® AES New Instructions | ||
| Intel® Demand Based Switching | ||
| Intel® Hyper-Threading technology | ||
| Intel® Turbo Boost technology | ||
| Physical Address Extensions (PAE) | 36-bit | |
| Thermal Monitoring | ||
Virtualization |
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| Intel® Virtualization Technology (VT-x) | ||
| Intel® VT-x with Extended Page Tables (EPT) | ||
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