Intel Core2 Duo E8400 vs AMD Phenom II X4 905e |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Intel Core2 Duo E8400
 | Significantly higher clock speed 3 GHz | | Much better overclocked clock speed (Air) 4.22 GHz |
| | Much more l2 cache per core 3 MB/core | | Much better overclocked clock speed (Water) 4.23 GHz |
VS
Released June, 2009
AMD Phenom II X4 905e
- 2.5 GHz
- Quad core
Reasons to buy the AMD Phenom II X4 905e
| | More cores 4 | | More threads 4 |
| | Newer Jun, 2009 |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| Significantly higher clock speed | 3 GHz | vs | 2.5 GHz | 20% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much better overclocked clock speed (Air) | 4.22 GHz | vs | 3.41 GHz | Around 25% better overclocked clock speed (Air) | |||
| Much more l2 cache per core | 3 MB/core | vs | 0.5 MB/core | 6x more l2 cache per core | |||
| Much better overclocked clock speed (Water) | 4.23 GHz | vs | 2.5 GHz | Around 70% better overclocked clock speed (Water) | |||
| Higher Maximum operating temperature | 72.4 °C | vs | 70 °C | Around 5% higher Maximum operating temperature | |||
| |||||||
| More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
| More threads | 4 | vs | 2 | Twice as many threads | |||
| Newer | Jun, 2009 | vs | Jan, 2008 | Release date over 1 years later | |||
Report a correction
Benchmarks Real world tests of Core2 Duo E8400 vs Phenom II X4 905e
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench
Cinebench R11.5
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core2 Duo E8400 | vs | Phenom II X4 905e |
|---|---|---|---|
| Clock speed | 3 GHz | 2.5 GHz | |
| Cores | Dual core | Quad core | |
| Socket type | |||
| LGA 775 | |||
| AM3 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| 3DNow! | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 65W | 65W | |
| Annual home energy cost | 15.66 $/year | 15.66 $/year | |
| Annual commercial energy cost | 56.94 $/year | 56.94 $/year | |
| Performance per watt | 1.83 pt/W | 1.17 pt/W | |
| Typical power consumption | 52.81W | 52.81W | |
details | Core2 Duo E8400 | vs | Phenom II X4 905e |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 4 | |
| L2 cache | 6 MB | 2 MB | |
| L2 cache per core | 3 MB/core | 0.5 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
| Voltage range | 0.85 - 1.36V | 0.82 - 1.25V | |
| Operating temperature | Unknown - 72.4°C | Unknown - 70°C | |
overclocking | |||
| Overclocked clock speed | 4.22 GHz | 3.41 GHz | |
| Overclocked clock speed (Water) | 4.23 GHz | 2.5 GHz | |
| Overclocked clock speed (Air) | 4.22 GHz | 3.41 GHz | |
integrated graphics | |||
| GPU | None | None | |
| Label | N/A | N/A | |
| Latest DirectX | N/A | N/A | |
| Number of displays supported | N/A | N/A | |
| GPU clock speed | N/A | N/A | |
| Turbo clock speed | N/A | N/A | |
| 3DMark06 | N/A | N/A | |
bus | |||
| Clock speed | 1,333 MHz | 2,000 MHz | |
 Intel Core2 Duo E8400  Report a correction |  AMD Phenom II X4 905e Report a correction |
Follow us
Compare
Related Comparisons
 | VS |  |
| $179 | ||
| Q6600 vs E8400 | ||
 | VS | |
| $125 | $179 | |
| 3220 vs E8400 | ||
 | VS | |
| $64 | $179 | |
| E5700 vs E8400 | ||
 | VS | |
| $125 | $179 | |
| E7500 vs E8400 | ||
 | VS | |
| $179 | $179 | |
| Q8400 vs E8400 | ||
 | VS | |
| $200 | $179 | |
| Q9400 vs E8400 | ||
 | VS | |
| $179 | ||
| 250 vs E8400 | ||
Popular Comparisons
 | VS |  |
| $300 | $305 | |
| 2500 vs W3520 | ||
 | VS |  |
| $350 | $272 | |
| 6700K vs 4790K | ||
 | VS |  |
| $281 | ||
| 6410 vs 4200U | ||
 | VS |  |
| $225 | $134 | |
| 3217U vs 847 | ||
 | VS |  |
| $281 | ||
| 7th Gen A9-9410 vs 6200U | ||
 | VS |  |
| $180 | ||
| 5200 vs 3470 | ||
 | VS |  |
| $161 | $275 | |
| N3540 vs 4005U | ||
