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| Intel Xeon X3440 vs Core i7 920 |
Released September, 2009
Intel Xeon X3440
- 2.53 GHz
- Quad core
Reasons to buy the Intel Xeon X3440
![]() | Much lower typical power consumption 77.19W | ![]() | Supports trusted computing Yes |
![]() | Much lower annual home energy cost 22.89 $/year | ![]() | Much lower annual commercial energy cost 83.22 $/year |
VS
Released October, 2008
Intel Core i7 920
- 2.66 GHz
- Quad core
Reasons to buy the Core i7 920
![]() | Better geekbench 3 single core score 1,959 | ![]() | Better overclocked clock speed (Air) 4.22 GHz |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
Much lower typical power consumption | 77.19W | vs | 135.63W | Around 45% lower typical power consumption | |||
---|---|---|---|---|---|---|---|
Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
Much lower annual home energy cost | 22.89 $/year | vs | 48.38 $/year | 2.1x lower annual home energy cost | |||
Much lower annual commercial energy cost | 83.22 $/year | vs | 134.55 $/year | Around 40% lower annual commercial energy cost | |||
Better performance per dollar | 0.71 pt/$ | vs | 0.61 pt/$ | More than 15% better performance per dollar | |||
Higher Maximum operating temperature | 72.7 °C | vs | 67.9 °C | More than 5% higher Maximum operating temperature | |||
Newer | Sep, 2009 | vs | Oct, 2008 | Release date 11 months later | |||
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Better geekbench 3 single core score | 1,959 | vs | 1,726 | Around 15% better geekbench 3 single core score | |||
Better overclocked clock speed (Air) | 4.22 GHz | vs | 3.84 GHz | Around 10% better overclocked clock speed (Air) |
Benchmarks Real world tests of Xeon X3440 vs Core i7 920
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon X3440
6,898
Core i7 920
7,014
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon X3440
1,726
Core i7 920
1,959
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon X3440
108,800 MB/s
Core i7 920
143,700 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Xeon X3440
6,463
Core i7 920
7,125
GeekBench (64-bit) Data courtesy Primate Labs
Xeon X3440
9,536
Core i7 920
7,791
GeekBench
Xeon X3440
9,536
Core i7 920
9,242
PassMark Data courtesy Passmark
Xeon X3440
4,559
Core i7 920
4,958
PassMark (Single Core)
Xeon X3440
1,036
Core i7 920
1,164
Reviews Word on the street
Xeon X3440 | vs | Core i7 920 | ||
![]() | 9.6 | 8.8 |
---|
Specifications Full list of technical specs
summary | Xeon X3440 | vs | Core i7 920 |
---|---|---|---|
Clock speed | 2.53 GHz | 2.66 GHz | |
Turbo clock speed | 2.93 GHz | 2.93 GHz | |
Cores | Quad core | Quad core | |
Socket type | |||
LGA 1156 | |||
LGA 1366 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | No | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE4 | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
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 | |||
Architecture | DMI | QPI | |
Number of links | 1 | 1 | |
Transfer rate | 2,500 MT/s | 4,800 MT/s |
details | Xeon X3440 | vs | Core i7 920 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 8 | 8 | |
L2 cache | 1 MB | 1 MB | |
L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
L3 cache | 8 MB | 8 MB | |
L3 cache per core | 2 MB/core | 2 MB/core | |
Manufacture process | 45 nm | 45 nm | |
Transistor count | 774,000,000 | 731,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 19 | 20 | |
Voltage range | 0.65 - 1.4V | 0.8 - 1.38V | |
Operating temperature | Unknown - 72.7°C | Unknown - 67.9°C | |
overclocking | |||
Overclock popularity | 5 | 491 | |
Overclock review score | 5 | 4.5 | |
Overclocked clock speed | 3.84 GHz | 4.22 GHz | |
Overclocked clock speed (Water) | 4.2 GHz | 4.24 GHz | |
Overclocked clock speed (Air) | 3.84 GHz | 4.22 GHz | |
power consumption | |||
TDP | 95W | 130W | |
Annual home energy cost | 22.89 $/year | 48.38 $/year | |
Annual commercial energy cost | 83.22 $/year | 134.55 $/year | |
Performance per watt | 1.72 pt/W | 1.21 pt/W | |
Typical power consumption | 77.19W | 135.63W | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3-800 | |||
DDR3 | |||
Channels | Dual Channel | Triple Channel | |
Supports ECC | Yes | No | |
Maximum bandwidth | 21,333.32 MB/s | 25,599.99 MB/s |
Intel Xeon X3440 ![]() | Intel Core i7 920 ![]() |
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