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| Intel Xeon X5670 vs E5645 |
Released March, 2010
Intel Xeon X5670
- 2.93 GHz
- Hexa core
Reasons to buy the Intel Xeon X5670
![]() | Much higher clock speed 2.93 GHz | ![]() | Much higher turbo clock speed 3.33 GHz |
![]() | Much higher Maximum operating temperature 81.3 °C | ![]() | Much better overclocked clock speed (Air) 4.29 GHz |
VS
Released March, 2010
Intel Xeon E5645
- 2.4 GHz
- Hexa core
Reasons to buy the E5645
![]() | Much better performance per dollar 1.2 pt/$ | ![]() | Lower typical power consumption 65W |
![]() | Lower annual commercial energy cost 70.08 $/year | ![]() | Lower annual home energy cost 19.27 $/year |
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Differences What are the advantages of each
| |||||||
Much higher clock speed | 2.93 GHz | vs | 2.4 GHz | More than 20% higher clock speed | |||
---|---|---|---|---|---|---|---|
Much higher turbo clock speed | 3.33 GHz | vs | 2.67 GHz | Around 25% higher turbo clock speed | |||
Much higher Maximum operating temperature | 81.3 °C | vs | 76.2 °C | More than 5% higher Maximum operating temperature | |||
Much better overclocked clock speed (Air) | 4.29 GHz | vs | 3.39 GHz | More than 25% better overclocked clock speed (Air) | |||
Much better overclocked clock speed (Water) | 4.5 GHz | vs | 2.4 GHz | More than 85% better overclocked clock speed (Water) | |||
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Much better performance per dollar | 1.2 pt/$ | vs | 0.56 pt/$ | Around 2.2x better performance per dollar | |||
Lower typical power consumption | 65W | vs | 77.19W | More than 15% lower typical power consumption | |||
Lower annual commercial energy cost | 70.08 $/year | vs | 83.22 $/year | More than 15% lower annual commercial energy cost | |||
Lower annual home energy cost | 19.27 $/year | vs | 22.89 $/year | More than 15% lower annual home energy cost |
Benchmarks Real world tests of Xeon X5670 vs E5645
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon X5670
24,364
Xeon E5645
20,172
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon X5670
2,341
Xeon E5645
1,968
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon X5670
1,590,000 MB/s
Xeon E5645
1,340,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Xeon X5670
13,847
Xeon E5645
11,304
GeekBench (64-bit) Data courtesy Primate Labs
Xeon X5670
14,780
Xeon E5645
11,929
GeekBench
Xeon X5670
14,780
Xeon E5645
11,929
PassMark Data courtesy Passmark
Xeon X5670
8,013
Xeon E5645
6,545
PassMark (Single Core)
Xeon X5670
1,347
Xeon E5645
1,083
Specifications Full list of technical specs
summary | Xeon X5670 | vs | E5645 |
---|---|---|---|
Clock speed | 2.93 GHz | 2.4 GHz | |
Turbo clock speed | 3.33 GHz | 2.67 GHz | |
Cores | Hexa core | Hexa core | |
Socket type | |||
LGA 1366 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE4 | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
AES | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 95W | 80W | |
Annual home energy cost | 22.89 $/year | 19.27 $/year | |
Annual commercial energy cost | 83.22 $/year | 70.08 $/year | |
Performance per watt | 8.54 pt/W | 8.49 pt/W | |
Typical power consumption | 77.19W | 65W | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3-800 | |||
DDR3 | |||
Channels | Triple Channel | Triple Channel | |
Supports ECC | Yes | Yes | |
Maximum bandwidth | 31,999.98 MB/s | 31,999.98 MB/s | |
Maximum memory size | 294,912 MB | 294,912 MB |
details | Xeon X5670 | vs | E5645 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 12 | 12 | |
L2 cache | 2 MB | 2 MB | |
L2 cache per core | 0.33 MB/core | 0.33 MB/core | |
L3 cache | 12 MB | 12 MB | |
L3 cache per core | 2 MB/core | 2 MB/core | |
Manufacture process | 32 nm | 32 nm | |
Max CPUs | 2 | 2 | |
Clock multiplier | 22 | 18 | |
Voltage range | 0.75 - 1.35V | 0.75 - 1.35V | |
Operating temperature | Unknown - 81.3°C | Unknown - 76.2°C | |
overclocking | |||
Overclock popularity | 8 | 3 | |
Overclocked clock speed | 4.29 GHz | 3.39 GHz | |
Overclocked clock speed (Water) | 4.5 GHz | 2.4 GHz | |
Overclocked clock speed (Air) | 4.29 GHz | 3.39 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 | |||
Architecture | QPI | QPI | |
Number of links | 2 | 2 | |
Data rate | 51,200 MB/s | 46,928 MB/s | |
Transfer rate | 6,400 MT/s | 5,860 MT/s | |
Clock speed | 3,200 MHz | 2,930 MHz |
Intel Xeon X5670 ![]() | Intel Xeon E5645 ![]() |
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