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| Intel Core2 X6800 vs Duo E8400 |
VS
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Duo E8400
![]() | Much newer manufacturing process 45 nm | ![]() | Supports trusted computing Yes |
![]() | Much better overclocked clock speed (Air) 4.22 GHz | ![]() | Much higher Maximum operating temperature 72.4 °C |
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Differences What are the advantages of each
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CPUBoss is not aware of any important advantages of the Core2 X6800 vs the Core2 Duo E8400. | |||||||
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Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
---|---|---|---|---|---|---|---|
Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
Much better overclocked clock speed (Air) | 4.22 GHz | vs | 3.54 GHz | Around 20% better overclocked clock speed (Air) | |||
Much higher Maximum operating temperature | 72.4 °C | vs | 60.4 °C | Around 20% higher Maximum operating temperature | |||
Lower typical power consumption | 52.81W | vs | 60.94W | Around 15% lower typical power consumption | |||
Newer | Jan, 2008 | vs | Jul, 2006 | Release date over 1 years later | |||
Lower annual commercial energy cost | 56.94 $/year | vs | 65.7 $/year | Around 15% lower annual commercial energy cost | |||
Lower annual home energy cost | 15.66 $/year | vs | 18.07 $/year | Around 15% lower annual home energy cost | |||
Better overclocked clock speed (Water) | 4.23 GHz | vs | 4.07 GHz | Around 5% better overclocked clock speed (Water) |
Benchmarks Real world tests of Core2 X6800 vs Duo E8400
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core2 X6800
2,384
Core2 Duo E8400
2,982
GeekBench 3 (Single core) Data courtesy Primate Labs
Core2 X6800
1,561
Core2 Duo E8400
1,625
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core2 X6800
125,200 MB/s
Core2 Duo E8400
128,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core2 X6800
2,537
Core2 Duo E8400
2,826
GeekBench
Core2 X6800
3,204
Core2 Duo E8400
4,794
3D Mark 11 (Physics)
Core2 X6800
2,020
Core2 Duo E8400
2,310
PassMark Data courtesy Passmark
Core2 X6800
1,885
Core2 Duo E8400
2,160
PassMark (Single Core)
Core2 X6800
1,110
Core2 Duo E8400
1,251
Specifications Full list of technical specs
summary | Core2 X6800 | vs | Duo E8400 |
---|---|---|---|
Clock speed | 2.93 GHz | 3 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
LGA 775 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 75W | 65W | |
Annual home energy cost | 18.07 $/year | 15.66 $/year | |
Annual commercial energy cost | 65.7 $/year | 56.94 $/year | |
Performance per watt | 1.59 pt/W | 1.83 pt/W | |
Typical power consumption | 60.94W | 52.81W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 1,066 MHz | 1,333 MHz |
details | Core2 X6800 | vs | Duo E8400 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 2 | |
L2 cache | 4 MB | 6 MB | |
L2 cache per core | 2 MB/core | 3 MB/core | |
Manufacture process | 65 nm | 45 nm | |
Transistor count | 291,000,000 | 410,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 11 | 9 | |
Voltage range | 0.85 - 1.5V | 0.85 - 1.36V | |
Operating temperature | Unknown - 60.4°C | Unknown - 72.4°C | |
overclocking | |||
Overclocked clock speed | 3.54 GHz | 4.22 GHz | |
Overclocked clock speed (Water) | 4.07 GHz | 4.23 GHz | |
Overclocked clock speed (Air) | 3.54 GHz | 4.22 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 X6800 ![]() | Intel Core2 Duo E8400 ![]() |
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