Intel Xeon E5-2420 v2 vs E3-1220 v2 |
Released January, 2014
Intel Xeon E5-2420 v2
- 2.2 GHz
- Hexa core
Reasons to buy the Intel Xeon E5-2420 v2
 | Much more l3 cache 15 MB | | More cores 6 |
| | More threads 12 | | More l2 cache 1.5 MB |
VS
Released May, 2012
Intel Xeon E3-1220 v2
- 3.1 GHz
- Quad core
Reasons to buy the E3-1220 v2
| | Much higher clock speed 3.1 GHz | | Much higher turbo clock speed 3.5 GHz |
| | Much better PassMark (Single core) score 1,806 | | Much better performance per watt 13.51 pt/W |
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Differences What are the advantages of each
| |||||||
| Much more l3 cache | 15 MB | vs | 8 MB | Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
| More threads | 12 | vs | 4 | Three times as many threads | |||
| More l2 cache | 1.5 MB | vs | 1 MB | 50% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Supports more RAM | 393,216 MB | vs | 33,556.48 MB | Supports around 11.8x more RAM | |||
| More l3 cache per core | 2.5 MB/core | vs | 2 MB/core | 25% more l3 cache per core | |||
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Newer | Jan, 2014 | vs | May, 2012 | Release date over 1 years later | |||
| |||||||
| Much higher clock speed | 3.1 GHz | vs | 2.2 GHz | More than 40% higher clock speed | |||
| Much higher turbo clock speed | 3.5 GHz | vs | 2.7 GHz | Around 30% higher turbo clock speed | |||
| Much better PassMark (Single core) score | 1,806 | vs | 1,355 | Around 35% better PassMark (Single core) score | |||
| Much better performance per watt | 13.51 pt/W | vs | 2.67 pt/W | More than 5x better performance per watt | |||
| Much better performance per dollar | 4.66 pt/$ | vs | 0.53 pt/$ | More than 8.8x better performance per dollar | |||
| Lower typical power consumption | 56.06W | vs | 65W | Around 15% lower typical power consumption | |||
| Lower annual commercial energy cost | 60.44 $/year | vs | 70.08 $/year | Around 15% lower annual commercial energy cost | |||
| Lower annual home energy cost | 16.62 $/year | vs | 19.27 $/year | Around 15% lower annual home energy cost | |||
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Benchmarks Real world tests of Xeon E5-2420 v2 vs E3-1220 v2
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 E5-2420 v2 | vs | E3-1220 v2 |
|---|---|---|---|
| Clock speed | 2.2 GHz | 3.1 GHz | |
| Turbo clock speed | 2.7 GHz | 3.5 GHz | |
| Cores | Hexa core | Quad core | |
| Socket type | |||
| LGA 1356 | |||
| LGA 1155 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| F16C | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| EM64T | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 80W | 69W | |
| Annual home energy cost | 19.27 $/year | 16.62 $/year | |
| Annual commercial energy cost | 70.08 $/year | 60.44 $/year | |
| Performance per watt | 2.67 pt/W | 13.51 pt/W | |
| Typical power consumption | 65W | 56.06W | |
bus | |||
| Architecture | QPI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 5,000 MT/s | 5,000 MT/s | |
details | Xeon E5-2420 v2 | vs | E3-1220 v2 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 12 | 4 | |
| L2 cache | 1.5 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 15 MB | 8 MB | |
| L3 cache per core | 2.5 MB/core | 2 MB/core | |
| Manufacture process | 22 nm | 22 nm | |
| Max CPUs | 2 | 1 | |
| Clock multiplier | 22 | 31 | |
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 | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3 | |||
| Channels | Triple Channel | Dual Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 19,200 MB/s | 25,600 MB/s | |
| Maximum memory size | 393,216 MB | 33,556.48 MB | |
 Intel Xeon E5-2420 v2  Report a correction |  Intel Xeon E3-1220 v2 Report a correction |
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