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| Intel Xeon 7120N vs Core2 Duo E8400 |
Released August, 2006
Intel Xeon 7120N
- 3 GHz
- Dual core
Reasons to buy the Intel Xeon 7120N
![]() | Supports more CPUs in SMP configuration 32 | ![]() | More threads 4 |
VS
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Core2 Duo E8400
![]() | Much more l2 cache 6 MB | ![]() | Much newer manufacturing process 45 nm |
![]() | Much more l2 cache per core 3 MB/core | ![]() | Significantly lower typical power consumption 52.81W |
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Differences What are the advantages of each
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Supports more CPUs in SMP configuration | 32 | vs | 1 | 31 supports more CPUs in SMP configuration | |||
---|---|---|---|---|---|---|---|
More threads | 4 | vs | 2 | Twice as many threads | |||
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Much more l2 cache | 6 MB | vs | 4 MB | 50% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much more l2 cache per core | 3 MB/core | vs | 2 MB/core | 50% more l2 cache per core | |||
Significantly lower typical power consumption | 52.81W | vs | 77.19W | More than 30% lower typical power consumption | |||
Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
Significantly better overclocked clock speed (Air) | 4.22 GHz | vs | 3 GHz | More than 40% better overclocked clock speed (Air) | |||
Higher Maximum operating temperature | 72.4 °C | vs | 60 °C | More than 20% higher Maximum operating temperature | |||
Newer | Jan, 2008 | vs | Aug, 2006 | Release date over 1 years later | |||
Significantly better overclocked clock speed (Water) | 4.23 GHz | vs | 3 GHz | More than 40% better overclocked clock speed (Water) | |||
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 |
Features Key features of the Xeon 7120N vs Core2 Duo E8400
clock speed
Xeon 7120N
3 GHz
Core2 Duo E8400
3 GHz
L2 cache
Xeon 7120N
4 MB
Core2 Duo E8400
6 MB
overclocked clock speed (air)
Xeon 7120N
3 GHz
Core2 Duo E8400
4.22 GHz
overclocked clock speed (water)
Xeon 7120N
3 GHz
Core2 Duo E8400
4.23 GHz
TDP
Xeon 7120N
95W
Core2 Duo E8400
65W
Specifications Full list of technical specs
summary | Xeon 7120N | vs | Core2 Duo E8400 |
---|---|---|---|
Clock speed | 3 GHz | 3 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
604 | |||
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 | 95W | 65W | |
Annual home energy cost | 22.89 $/year | 15.66 $/year | |
Annual commercial energy cost | 83.22 $/year | 56.94 $/year | |
Typical power consumption | 77.19W | 52.81W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 667 MHz | 1,333 MHz |
details | Xeon 7120N | vs | Core2 Duo E8400 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 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 | 1,328,000,000 | 410,000,000 | |
Max CPUs | 32 | 1 | |
Clock multiplier | 18 | 9 | |
Voltage range | 1.1 - 1.35V | 0.85 - 1.36V | |
Operating temperature | Unknown - 60°C | Unknown - 72.4°C | |
overclocking | |||
Overclocked clock speed | 3 GHz | 4.22 GHz | |
Overclocked clock speed (Water) | 3 GHz | 4.23 GHz | |
Overclocked clock speed (Air) | 3 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 Xeon 7120N ![]() | Intel Core2 Duo E8400 ![]() |
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