Intel Xeon E5-2637 v3 vs E5-2620 v3 |
Released July, 2014
Intel Xeon E5-2637 v3
- 3.5 GHz
- Quad core
Reasons to buy the Intel Xeon E5-2637 v3
 | Much higher clock speed 3.5 GHz | | Significantly higher turbo clock speed 3.7 GHz |
| | Much better overclocked clock speed (Air) 3.5 GHz | | Much more l3 cache per core 3.75 MB/core |
VS
Released July, 2014
Intel Xeon E5-2620 v3
- 2.4 GHz
- Hexa core
- Unlocked
Reasons to buy the E5-2620 v3
| | More cores 6 | | Much better performance per watt 12.6 pt/W |
| | Much better performance per dollar 4.08 pt/$ | | Much lower typical power consumption 69.06W |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 3.5 GHz | vs | 2.4 GHz | More than 45% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Significantly higher turbo clock speed | 3.7 GHz | vs | 3.2 GHz | More than 15% higher turbo clock speed | |||
| Much better overclocked clock speed (Air) | 3.5 GHz | vs | 2.66 GHz | More than 30% better overclocked clock speed (Air) | |||
| Much more l3 cache per core | 3.75 MB/core | vs | 2.5 MB/core | 50% more l3 cache per core | |||
| Much better overclocked clock speed (Water) | 3.5 GHz | vs | 2.87 GHz | More than 20% better overclocked clock speed (Water) | |||
| |||||||
| More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
| Much better performance per watt | 12.6 pt/W | vs | 2.34 pt/W | Around 5.5x better performance per watt | |||
| Much better performance per dollar | 4.08 pt/$ | vs | 0.32 pt/$ | Around 13x better performance per dollar | |||
| Much lower typical power consumption | 69.06W | vs | 109.69W | More than 35% lower typical power consumption | |||
| More threads | 12 | vs | 8 | 4 more threads | |||
| 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 E5-2637 v3 vs E5-2620 v3
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E5-2637 v3 | vs | E5-2620 v3 |
|---|---|---|---|
| Clock speed | 3.5 GHz | 2.4 GHz | |
| Turbo clock speed | 3.7 GHz | 3.2 GHz | |
| Cores | Quad 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 | 2.34 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 E5-2637 v3 | vs | E5-2620 v3 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 12 | |
| L3 cache | 15 MB | 15 MB | |
| L3 cache per core | 3.75 MB/core | 2.5 MB/core | |
| Manufacture process | 22 nm | 22 nm | |
| Max CPUs | 2 | 2 | |
| Operating temperature | Unknown - 76.6°C | Unknown - 72.6°C | |
overclocking | |||
| Overclocked clock speed | 3.5 GHz | 2.66 GHz | |
| Overclocked clock speed (Water) | 3.5 GHz | 2.87 GHz | |
| Overclocked clock speed (Air) | 3.5 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 E5-2637 v3  Report a correction |  Intel Xeon E5-2620 v3 Report a correction |
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