Winner
Intel Core2 Duo E8400
CPUBoss recommends the Intel Core2 Duo E8400 based on its performance.
See full details Intel Core2 Duo E8400 vs AMD Athlon X2 5400B |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
3.3 Out of 10
Reasons to buy the Intel Core2 Duo E8400
 | Much more l2 cache 6 MB | | Much better PassMark score 2,160 |
| | Much better geekbench 2 (32-bit) score 2,826 | | Much newer manufacturing process 45 nm |
VS
Released April, 2008
AMD Athlon X2 5400B
- 2.8 GHz
- Dual core
2.5 Out of 10
Reasons to buy the AMD Athlon X2 5400B
| | Newer Apr, 2008 |
CPUBoss Review Our evaluation of E8400 vs 5400B among desktop CPUs (45 to 75W)
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Fire Strike | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more | |
| 3.3 | CPUBoss Score |
Combination of all six facets | |
 | Winner |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| Much more l2 cache | 6 MB | vs | 1 MB | 6x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much better PassMark score | 2,160 | vs | 1,425 | More than 50% better PassMark score | |||
| Much better geekbench 2 (32-bit) score | 2,826 | vs | 2,051 | Around 40% better geekbench 2 (32-bit) score | |||
| Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much better performance per watt | 1.83 pt/W | vs | 0.88 pt/W | More than 2x better performance per watt | |||
| Much better overclocked clock speed (Air) | 4.22 GHz | vs | 3.27 GHz | Around 30% better overclocked clock speed (Air) | |||
| Higher clock speed | 3 GHz | vs | 2.8 GHz | More than 5% higher clock speed | |||
| Much more l2 cache per core | 3 MB/core | vs | 0.5 MB/core | 6x more l2 cache per core | |||
| Significantly higher Maximum operating temperature | 72.4 °C | vs | 68 °C | More than 5% higher Maximum operating temperature | |||
| Much better overclocked clock speed (Water) | 4.23 GHz | vs | 2.8 GHz | More than 50% better overclocked clock speed (Water) | |||
| |||||||
| Newer | Apr, 2008 | vs | Jan, 2008 | Release date 3 months later | |||
Report a correction
Benchmarks Real world tests of Core2 Duo E8400 vs Athlon X2 5400B
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
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core2 Duo E8400 | vs | Athlon X2 5400B |
|---|---|---|---|
| Clock speed | 3 GHz | 2.8 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| LGA 775 | |||
| AM2 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| 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 | 0.88 pt/W | |
| Typical power consumption | 52.81W | 52.81W | |
details | Core2 Duo E8400 | vs | Athlon X2 5400B |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 6 MB | 1 MB | |
| L2 cache per core | 3 MB/core | 0.5 MB/core | |
| Manufacture process | 45 nm | 65 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 72.4°C | Unknown - 68°C | |
overclocking | |||
| Overclocked clock speed | 4.22 GHz | 3.27 GHz | |
| Overclocked clock speed (Water) | 4.23 GHz | 2.8 GHz | |
| Overclocked clock speed (Air) | 4.22 GHz | 3.27 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 | |
 Intel Core2 Duo E8400  Report a correction |  AMD Athlon X2 5400B Report a correction |
Follow us
Compare
Related Comparisons
 | VS |  |
| $145 | ||
| Intel Core2 Quad Q6600 vs Duo E8400 | ||
 | VS | |
| $125 | $145 | |
| Intel Core i3 3220 vs Core2 Duo E8400 | ||
 | VS | |
| $125 | $145 | |
| Intel Core2 Duo E7500 vs E8400 | ||
 | VS | |
| $179 | $145 | |
| Intel Core2 Quad Q8400 vs Duo E8400 | ||
 | VS | |
| $287 | $145 | |
| Intel Core2 Quad Q9550 vs Duo E8400 | ||
 | VS | |
| $64 | $145 | |
| Intel Pentium E5700 vs Core2 Duo E8400 | ||
 | VS | |
| $200 | $145 | |
| Intel Core2 Quad Q9400 vs Duo E8400 | ||
Popular Comparisons
 | VS |  |
| $300 | $305 | |
| Intel Core i5 2500 vs Xeon W3520 | ||
 | VS |  |
| $281 | ||
| AMD A9 7th Gen A9-9410 vs Intel Core i5 6200U | ||
 | VS |  |
| $350 | $272 | |
| Intel Core i7 6700K vs 4790K | ||
 | VS |  |
| $281 | ||
| AMD A8 6410 vs Intel Core i5 4200U | ||
 | VS |  |
| $180 | ||
| AMD A6 5200 vs Intel Core i5 3470 | ||
 | VS | |
| $50 | $125 | |
| AMD A4 5300 vs Intel Core i3 3220 | ||
 | VS |  |
| $161 | $275 | |
| Intel Pentium N3540 vs Core i3 4005U | ||
