Winner
Intel Core2 Duo E8400
CPUBoss recommends the Intel Core2 Duo E8400 based on its performance and single-core performance.
See full details Intel Core2 Duo E8400 vs AMD E 240 |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
5.1 Out of 10
Reasons to buy the Intel Core2 Duo E8400
 | Much more l2 cache 6 MB | | Much higher clock speed 3 GHz |
| | Much better geekbench 2 (32-bit) score 2,826 | | Much more l2 cache per core 3 MB/core |
VS
Released January, 2011
AMD E 240
- 1.5 GHz
- Single core
6.9 Out of 10
Reasons to buy the AMD E 240
| | Has a built-in GPU Yes | | Much lower typical power consumption 14.63W |
| | Newer manufacturing process 40 nm | | Significantly higher Maximum operating temperature 90 °C |
CPUBoss Review Our evaluation of E8400 vs 240 among all CPUs
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 | |
| Sky Diver and Cloud Gate | |
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? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
| 6.9 | 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 higher clock speed | 3 GHz | vs | 1.5 GHz | 2x higher clock speed | |||
| Much better geekbench 2 (32-bit) score | 2,826 | vs | 508 | More than 5.5x better geekbench 2 (32-bit) score | |||
| Much more l2 cache per core | 3 MB/core | vs | 1 MB/core | 3x more l2 cache per core | |||
| Significantly better PassMark (Single core) score | 1,251 | vs | 350 | More than 3.5x better PassMark (Single core) score | |||
| Better PassMark score | 2,160 | vs | 321 | Around 6.8x better PassMark score | |||
| More cores | 2 | vs | 1 | Twice as many cores; run more applications at once | |||
| |||||||
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
| Much lower typical power consumption | 14.63W | vs | 52.81W | 3.6x lower typical power consumption | |||
| Newer manufacturing process | 40 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Significantly higher Maximum operating temperature | 90 °C | vs | 72.4 °C | Around 25% higher Maximum operating temperature | |||
| Newer | Jan, 2011 | vs | Jan, 2008 | Release date over 3 years later | |||
| Much lower annual home energy cost | 4.34 $/year | vs | 15.66 $/year | 3.6x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 15.77 $/year | vs | 56.94 $/year | 3.6x lower annual commercial energy cost | |||
Report a correction
Benchmarks Real world tests of Core2 Duo E8400 vs E 240
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 | E 240 |
|---|---|---|---|
| Clock speed | 3 GHz | 1.5 GHz | |
| Cores | Dual core | Single core | |
| Socket type | |||
| LGA 775 | |||
| 940 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| AMD64 | |||
| SSE4.1 | |||
| AMD-V | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
details | Core2 Duo E8400 | vs | E 240 |
|---|---|---|---|
| Threads | 2 | 1 | |
| L2 cache | 6 MB | 1 MB | |
| L2 cache per core | 3 MB/core | 1 MB/core | |
| Manufacture process | 45 nm | 40 nm | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 9 | 5 | |
| Voltage range | 0.85 - 1.36V | 1.18 - 1.35V | |
| Operating temperature | Unknown - 72.4°C | Unknown - 90°C | |
integrated graphics | |||
| GPU | None | GPU | |
| Label | N/A | Radeon™ HD 6310 | |
| Latest DirectX | N/A | 11.0 | |
| GPU clock speed | N/A | 500 MHz | |
| Turbo clock speed | N/A | 500 MHz | |
power consumption | |||
| TDP | 65W | 18W | |
| Annual home energy cost | 15.66 $/year | 4.34 $/year | |
| Annual commercial energy cost | 56.94 $/year | 15.77 $/year | |
| Performance per watt | 1.83 pt/W | 1.81 pt/W | |
| Typical power consumption | 52.81W | 14.63W | |
 Intel Core2 Duo E8400  Report a correction |  AMD E 240 Report a correction |
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