Intel Xeon E5-2640 vs AMD Opteron 6378 |
Released March, 2012
Intel Xeon E5-2640
- 2.5 GHz
- Hexa core
Reasons to buy the Intel Xeon E5-2640
 | Much better PassMark score 15,348 | | Much better PassMark (Single core) score 1,854 |
| | Much better performance per watt 7.66 pt/W | | Higher clock speed 2.5 GHz |
VS
Released November, 2012
AMD Opteron 6378
- 2.4 GHz
- 16 core
Reasons to buy the AMD Opteron 6378
| | Much more l2 cache 16 MB | | Higher turbo clock speed 3.3 GHz |
| | Much more l2 cache per core 1 MB/core | | More threads 16 |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| Much better PassMark score | 15,348 | vs | 2,152 | Around 7.2x better PassMark score | |||
|---|---|---|---|---|---|---|---|
| Much better PassMark (Single core) score | 1,854 | vs | 996 | More than 85% better PassMark (Single core) score | |||
| Much better performance per watt | 7.66 pt/W | vs | 2.97 pt/W | More than 2.5x better performance per watt | |||
| Higher clock speed | 2.5 GHz | vs | 2.4 GHz | Around 5% higher clock speed | |||
| Much more l3 cache per core | 2.5 MB/core | vs | 1 MB/core | 2.5x more l3 cache per core | |||
| Lower typical power consumption | 77.19W | vs | 93.44W | More than 15% lower typical power consumption | |||
| 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 | |||
| Better overclocked clock speed (Water) | 2.5 GHz | vs | 2.4 GHz | Around 5% better overclocked clock speed (Water) | |||
| |||||||
| Much more l2 cache | 16 MB | vs | 2 MB | 8x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Higher turbo clock speed | 3.3 GHz | vs | 3 GHz | Around 10% higher turbo clock speed | |||
| Much more l2 cache per core | 1 MB/core | vs | 0.33 MB/core | More than 3x more l2 cache per core | |||
| More threads | 16 | vs | 12 | 4 more threads | |||
| Much better overclocked clock speed (Air) | 3.6 GHz | vs | 2.9 GHz | Around 25% better overclocked clock speed (Air) | |||
| More l3 cache | 16 MB | vs | 15 MB | More than 5% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| Supports more CPUs in SMP configuration | 4 | vs | 2 | Twice as many CPUs in SMP configuration | |||
| Newer | Nov, 2012 | vs | Mar, 2012 | Release date 8 months later | |||
Report a correction
Benchmarks Real world tests of Xeon E5-2640 vs Opteron 6378
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 E5-2640 | vs | Opteron 6378 |
|---|---|---|---|
| Clock speed | 2.5 GHz | 2.4 GHz | |
| Turbo clock speed | 3 GHz | 3.3 GHz | |
| Cores | Hexa core | 16 core | |
| Socket type | |||
| LGA 2011 | |||
| G34 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| AVX 1.1 | |||
| SSE2 | |||
| F16C | |||
| MMX | |||
| XOP | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| ABM | |||
| BMI1 | |||
| CLMUL | |||
| AMD64 | |||
| SSE4.1 | |||
| FMA4 | |||
| FMA3 | |||
| SSE4.2 | |||
| CVT16 | |||
| AMD-V | |||
| Supplemental SSE3 | |||
| AES | |||
| TBM | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 115W | |
| Annual home energy cost | 22.89 $/year | 27.7 $/year | |
| Annual commercial energy cost | 83.22 $/year | 100.74 $/year | |
| Performance per watt | 7.66 pt/W | 2.97 pt/W | |
| Typical power consumption | 77.19W | 93.44W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3-800 | |||
| DDR3 | |||
| Channels | Quad Channel | Quad Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 42,666.64 MB/s | 25,600 MB/s | |
details | Xeon E5-2640 | vs | Opteron 6378 |
|---|---|---|---|
| Threads | 12 | 16 | |
| L2 cache | 2 MB | 16 MB | |
| L2 cache per core | 0.33 MB/core | 1 MB/core | |
| L3 cache | 15 MB | 16 MB | |
| L3 cache per core | 2.5 MB/core | 1 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 2 | 4 | |
| Clock multiplier | 30 | 16 | |
| Operating temperature | Unknown - 73°C | Unknown - 69°C | |
overclocking | |||
| Overclock popularity | 3 | 1 | |
| Overclocked clock speed | 2.9 GHz | 3.6 GHz | |
| Overclocked clock speed (Water) | 2.5 GHz | 2.4 GHz | |
| Overclocked clock speed (Air) | 2.9 GHz | 3.6 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 | HyperTransport 3.0 | |
| Transfer rate | 7,200 MT/s | 6,400 MT/s | |
| Clock speed | 3,600 MHz | 3,200 MHz | |
 Intel Xeon E5-2640  Report a correction |  AMD Opteron 6378 Report a correction |
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