Intel Xeon E5-2620 vs E5-1620 |
Released March, 2012
Intel Xeon E5-2620
- 2 GHz
- Hexa core
- Unlocked
Reasons to buy the Intel Xeon E5-2620
 | Much more l3 cache 15 MB | | Much more l2 cache 2 MB |
| | More cores 6 | | More threads 12 |
VS
Released March, 2012
Intel Xeon E5-1620
- 3.6 GHz
- Quad core
Reasons to buy the E5-1620
| | Much higher clock speed 3.6 GHz | | Much higher turbo clock speed 3.8 GHz |
| | Much better PassMark (Single core) score 2,117 | | Much better overclocked clock speed (Air) 3.93 GHz |
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Differences What are the advantages of each
| |||||||
| Much more l3 cache | 15 MB | vs | 10 MB | 50% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much more l2 cache | 2 MB | vs | 1 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
| More threads | 12 | vs | 8 | 4 more threads | |||
| Significantly lower typical power consumption | 77.19W | vs | 105.63W | More than 25% lower typical power consumption | |||
| More l2 cache per core | 0.33 MB/core | vs | 0.25 MB/core | Around 35% more l2 cache per core | |||
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Significantly lower annual commercial energy cost | 83.22 $/year | vs | 113.88 $/year | More than 25% lower annual commercial energy cost | |||
| Significantly lower annual home energy cost | 22.89 $/year | vs | 31.32 $/year | More than 25% lower annual home energy cost | |||
| |||||||
| Much higher clock speed | 3.6 GHz | vs | 2 GHz | 80% higher clock speed | |||
| Much higher turbo clock speed | 3.8 GHz | vs | 2.5 GHz | More than 50% higher turbo clock speed | |||
| Much better PassMark (Single core) score | 2,117 | vs | 1,231 | More than 70% better PassMark (Single core) score | |||
| Much better overclocked clock speed (Air) | 3.93 GHz | vs | 2.28 GHz | More than 70% better overclocked clock speed (Air) | |||
| Much better overclocked clock speed (Water) | 4.7 GHz | vs | 2 GHz | More than 2.2x better overclocked clock speed (Water) | |||
Report a correction
Benchmarks Real world tests of Xeon E5-2620 vs E5-1620
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
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E5-2620 | vs | E5-1620 |
|---|---|---|---|
| Clock speed | 2 GHz | 3.6 GHz | |
| Turbo clock speed | 2.5 GHz | 3.8 GHz | |
| Cores | Hexa core | Quad core | |
| Socket type | |||
| LGA 2011 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 130W | |
| Annual home energy cost | 22.89 $/year | 31.32 $/year | |
| Annual commercial energy cost | 83.22 $/year | 113.88 $/year | |
| Performance per watt | 6.57 pt/W | 7.47 pt/W | |
| Typical power consumption | 77.19W | 105.63W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| DDR3-800 | |||
| Channels | Quad Channel | Quad Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 42,666.64 MB/s | 51,200 MB/s | |
| Maximum memory size | 393,216 MB | 384,000 MB | |
details | Xeon E5-2620 | vs | E5-1620 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 12 | 8 | |
| L2 cache | 2 MB | 1 MB | |
| L2 cache per core | 0.33 MB/core | 0.25 MB/core | |
| L3 cache | 15 MB | 10 MB | |
| L3 cache per core | 2.5 MB/core | 2.5 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 2 | 1 | |
| Clock multiplier | 25 | 38 | |
| Voltage range | 0.6 - 1.35V | 0.6 - 1.35V | |
| Operating temperature | Unknown - 77.4°C | Unknown - 64°C | |
overclocking | |||
| Overclocked clock speed | 2.28 GHz | 3.93 GHz | |
| Overclocked clock speed (Water) | 2 GHz | 4.7 GHz | |
| Overclocked clock speed (Air) | 2.28 GHz | 3.93 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 | 0 | |
| Transfer rate | 7,200 MT/s | 0 MT/s | |
| Clock speed | 3,600 MHz | 0 MHz | |
 Intel Xeon E5-2620  Report a correction |  Intel Xeon E5-1620 Report a correction |
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