Intel Xeon E5-2667 v3 vs E5-2620 v3 |
Released July, 2014
Intel Xeon E5-2667 v3
- 3.2 GHz
- Octa core
Reasons to buy the Intel Xeon E5-2667 v3
 | Much higher clock speed 3.2 GHz | | Much more l3 cache 20 MB |
| | Significantly higher turbo clock speed 3.6 GHz | | Much better overclocked clock speed (Air) 3.44 GHz |
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Released July, 2014
Intel Xeon E5-2620 v3
- 2.4 GHz
- Hexa core
- Unlocked
Reasons to buy the E5-2620 v3
| | Much better performance per watt 12.6 pt/W | | Much better performance per dollar 4.08 pt/$ |
| | Much lower typical power consumption 69.06W | | Much lower annual commercial energy cost 74.46 $/year |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 3.2 GHz | vs | 2.4 GHz | Around 35% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much more l3 cache | 20 MB | vs | 15 MB | Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| Significantly higher turbo clock speed | 3.6 GHz | vs | 3.2 GHz | More than 10% higher turbo clock speed | |||
| Much better overclocked clock speed (Air) | 3.44 GHz | vs | 2.66 GHz | Around 30% better overclocked clock speed (Air) | |||
| More threads | 16 | vs | 12 | 4 more threads | |||
| Much better overclocked clock speed (Water) | 3.2 GHz | vs | 2.87 GHz | More than 10% better overclocked clock speed (Water) | |||
| |||||||
| Much better performance per watt | 12.6 pt/W | vs | 3.29 pt/W | More than 3.8x better performance per watt | |||
| Much better performance per dollar | 4.08 pt/$ | vs | 0.22 pt/$ | Around 19x better performance per dollar | |||
| Much lower typical power consumption | 69.06W | vs | 109.69W | More than 35% lower typical power consumption | |||
| Much lower annual commercial energy cost | 74.46 $/year | vs | 118.26 $/year | More than 35% lower annual commercial energy cost | |||
| Much lower annual home energy cost | 20.48 $/year | vs | 32.52 $/year | More than 35% lower annual home energy cost | |||
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Benchmarks Real world tests of Xeon E5-2667 v3 vs E5-2620 v3
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E5-2667 v3 | vs | E5-2620 v3 |
|---|---|---|---|
| Clock speed | 3.2 GHz | 2.4 GHz | |
| Turbo clock speed | 3.6 GHz | 3.2 GHz | |
| Cores | Octa core | Hexa core | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| AES | |||
| AVX | |||
| AVX 2.0 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 135W | 85W | |
| Annual home energy cost | 32.52 $/year | 20.48 $/year | |
| Annual commercial energy cost | 118.26 $/year | 74.46 $/year | |
| Performance per watt | 3.29 pt/W | 12.6 pt/W | |
| Typical power consumption | 109.69W | 69.06W | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 2 | 2 | |
| Data rate | 76,800 MB/s | 64,000 MB/s | |
| Transfer rate | 9,600 MT/s | 8,000 MT/s | |
| Clock speed | 4,800 MHz | 4,000 MHz | |
details | Xeon E5-2667 v3 | vs | E5-2620 v3 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 16 | 12 | |
| L3 cache | 20 MB | 15 MB | |
| L3 cache per core | 2.5 MB/core | 2.5 MB/core | |
| Manufacture process | 22 nm | 22 nm | |
| Max CPUs | 2 | 2 | |
| Operating temperature | Unknown - 77.8°C | Unknown - 72.6°C | |
overclocking | |||
| Overclocked clock speed | 3.44 GHz | 2.66 GHz | |
| Overclocked clock speed (Water) | 3.2 GHz | 2.87 GHz | |
| Overclocked clock speed (Air) | 3.44 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 | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR | |||
| Channels | Quad Channel | Quad Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 6,400 MB/s | 6,400 MB/s | |
| Maximum memory size | 786,432 MB | 786,432 MB | |
 Intel Xeon E5-2667 v3  Report a correction |  Intel Xeon E5-2620 v3 Report a correction |
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