Intel Xeon E5-2689 vs E5-2420 |
Released March, 2012
Intel Xeon E5-2689
- 2.6 GHz
- Octa core
Reasons to buy the Intel Xeon E5-2689
 | Much higher clock speed 2.6 GHz | | Much more l3 cache 20 MB |
| | Much better PassMark (Single core) score 2,091 | | More threads 16 |
VS
Released May, 2012
Intel Xeon E5-2420
- 1.9 GHz
- Hexa core
- Unlocked
Reasons to buy the E5-2420
| | Lower typical power consumption 77.19W | | More l2 cache per core 0.33 MB/core |
| | Lower annual commercial energy cost 83.22 $/year | | Lower annual home energy cost 22.89 $/year |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 2.6 GHz | vs | 1.9 GHz | More than 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 | |||
| Much better PassMark (Single core) score | 2,091 | vs | 1,355 | Around 55% better PassMark (Single core) score | |||
| More threads | 16 | vs | 12 | 4 more threads | |||
| |||||||
| Lower typical power consumption | 77.19W | vs | 93.44W | More than 15% 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 | |||
| Lower annual commercial energy cost | 83.22 $/year | vs | 100.74 $/year | More than 15% lower annual commercial energy cost | |||
| Lower annual home energy cost | 22.89 $/year | vs | 27.7 $/year | More than 15% lower annual home energy cost | |||
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Benchmarks Real world tests of Xeon E5-2689 vs E5-2420
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 E5-2689 | vs | E5-2420 |
|---|---|---|---|
| Clock speed | 2.6 GHz | 1.9 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 | |||
| SSE2 | |||
| MMX | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
details | Xeon E5-2689 | vs | E5-2420 |
|---|---|---|---|
| Threads | 16 | 12 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.25 MB/core | 0.33 MB/core | |
| L3 cache | 20 MB | 15 MB | |
| L3 cache per core | 2.5 MB/core | 2.5 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 2 | 2 | |
power consumption | |||
| TDP | 115W | 95W | |
| Annual home energy cost | 27.7 $/year | 22.89 $/year | |
| Annual commercial energy cost | 100.74 $/year | 83.22 $/year | |
| Performance per watt | 10.97 pt/W | 5.47 pt/W | |
| Typical power consumption | 93.44W | 77.19W | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 2 | 1 | |
| Data rate | 64,000 MB/s | 28,800 MB/s | |
| Transfer rate | 8,000 MT/s | 7,200 MT/s | |
| Clock speed | 4,000 MHz | 3,600 MHz | |
 Intel Xeon E5-2689  Report a correction |  Intel Xeon E5-2420 Report a correction |
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