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| Intel Core2 Duo E8400 vs AMD Phenom X3 8450 |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Intel Core2 Duo E8400
![]() | Much higher clock speed 3 GHz | ![]() | Much better PassMark (Single core) score 1,251 |
![]() | Much newer manufacturing process 45 nm | ![]() | Much better overclocked clock speed (Air) 4.22 GHz |
VS
Released April, 2008
AMD Phenom X3 8450
- 2.1 GHz
- Tri core
Reasons to buy the AMD Phenom X3 8450
![]() | More cores 3 | ![]() | More threads 3 |
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Differences What are the advantages of each
| |||||||
Much higher clock speed | 3 GHz | vs | 2.1 GHz | Around 45% higher clock speed | |||
---|---|---|---|---|---|---|---|
Much better PassMark (Single core) score | 1,251 | vs | 718 | Around 75% better PassMark (Single core) 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 overclocked clock speed (Air) | 4.22 GHz | vs | 2.66 GHz | Around 60% better overclocked clock speed (Air) | |||
Much better performance per watt | 1.83 pt/W | vs | 0.94 pt/W | More than 95% better performance per watt | |||
Much lower typical power consumption | 52.81W | vs | 77.19W | More than 30% lower typical power consumption | |||
Much better overclocked clock speed (Water) | 4.23 GHz | vs | 2.1 GHz | More than 2x better overclocked clock speed (Water) | |||
Higher Maximum operating temperature | 72.4 °C | vs | 70 °C | Around 5% higher Maximum operating temperature | |||
Significantly lower annual home energy cost | 15.66 $/year | vs | 22.89 $/year | More than 30% lower annual home energy cost | |||
Significantly lower annual commercial energy cost | 56.94 $/year | vs | 83.22 $/year | More than 30% lower annual commercial energy cost | |||
| |||||||
More cores | 3 | vs | 2 | 1 more cores; run more applications at once | |||
More threads | 3 | vs | 2 | 1 more threads |
Benchmarks Real world tests of Core2 Duo E8400 vs Phenom X3 8450
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core2 Duo E8400
2,982
Phenom X3 8450
2,722
GeekBench 3 (Single core) Data courtesy Primate Labs
Core2 Duo E8400
1,625
Phenom X3 8450
998
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core2 Duo E8400
128,000 MB/s
Phenom X3 8450
80,100 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core2 Duo E8400
2,826
Phenom X3 8450
2,641
GeekBench (64-bit) Data courtesy Primate Labs
Core2 Duo E8400
3,092
Phenom X3 8450
3,548
GeekBench
Core2 Duo E8400
4,794
Phenom X3 8450
3,548
PassMark Data courtesy Passmark
Core2 Duo E8400
2,160
Phenom X3 8450
1,887
PassMark (Single Core)
Core2 Duo E8400
1,251
Phenom X3 8450
718
Specifications Full list of technical specs
summary | Core2 Duo E8400 | vs | Phenom X3 8450 |
---|---|---|---|
Clock speed | 3 GHz | 2.1 GHz | |
Cores | Dual core | Tri core | |
Socket type | |||
LGA 775 | |||
AM2+ | |||
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 | 95W | |
Annual home energy cost | 15.66 $/year | 22.89 $/year | |
Annual commercial energy cost | 56.94 $/year | 83.22 $/year | |
Performance per watt | 1.83 pt/W | 0.94 pt/W | |
Typical power consumption | 52.81W | 77.19W |
details | Core2 Duo E8400 | vs | Phenom X3 8450 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 3 | |
L2 cache | 6 MB | 2 MB | |
L2 cache per core | 3 MB/core | 0.67 MB/core | |
Manufacture process | 45 nm | 65 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 72.4°C | Unknown - 70°C | |
overclocking | |||
Overclocked clock speed | 4.22 GHz | 2.66 GHz | |
Overclocked clock speed (Water) | 4.23 GHz | 2.1 GHz | |
Overclocked clock speed (Air) | 4.22 GHz | 2.66 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 | 1,800 MHz |
Intel Core2 Duo E8400 ![]() | AMD Phenom X3 8450 ![]() |
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