Intel Xeon E5 2650L v2 vs E5-2640 |
Released July, 2013
Intel Xeon E5 2650L v2
- 1.7 GHz
- Deca core
Reasons to buy the Intel Xeon E5 2650L v2
 | Much more l3 cache 25 MB | | More threads 20 |
| | Supports more RAM 786,432 MB | | More l2 cache 2.5 MB |
VS
Released March, 2012
Intel Xeon E5-2640
- 2.5 GHz
- Hexa core
Reasons to buy the E5-2640
| | Much higher clock speed 2.5 GHz | | Much higher turbo clock speed 3 GHz |
| | Much better performance per watt 7.66 pt/W | | Much better overclocked clock speed (Air) 2.9 GHz |
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Differences What are the advantages of each
| |||||||
| Much more l3 cache | 25 MB | vs | 15 MB | More than 65% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| More threads | 20 | vs | 12 | 8 more threads | |||
| Supports more RAM | 786,432 MB | vs | 393,216 MB | Supports 2x more RAM | |||
| More l2 cache | 2.5 MB | vs | 2 MB | 25% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Lower typical power consumption | 56.88W | vs | 77.19W | More than 25% lower typical power consumption | |||
| Newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Lower annual commercial energy cost | 61.32 $/year | vs | 83.22 $/year | More than 25% lower annual commercial energy cost | |||
| Lower annual home energy cost | 16.86 $/year | vs | 22.89 $/year | More than 25% lower annual home energy cost | |||
| Newer | Jul, 2013 | vs | Mar, 2012 | Release date over 1 years later | |||
| |||||||
| Much higher clock speed | 2.5 GHz | vs | 1.7 GHz | More than 45% higher clock speed | |||
| Much higher turbo clock speed | 3 GHz | vs | 2.1 GHz | Around 45% higher turbo clock speed | |||
| Much better performance per watt | 7.66 pt/W | vs | 3.56 pt/W | Around 2.2x better performance per watt | |||
| Much better overclocked clock speed (Air) | 2.9 GHz | vs | 1.7 GHz | More than 70% better overclocked clock speed (Air) | |||
| Much better overclocked clock speed (Water) | 2.5 GHz | vs | 1.7 GHz | More than 45% better overclocked clock speed (Water) | |||
| More l2 cache per core | 0.33 MB/core | vs | 0.25 MB/core | Around 35% more l2 cache per core | |||
Report a correction
Benchmarks Real world tests of Xeon E5 2650L v2 vs E5-2640
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
Specifications Full list of technical specs
summary | Xeon E5 2650L v2 | vs | E5-2640 |
|---|---|---|---|
| Clock speed | 1.7 GHz | 2.5 GHz | |
| Turbo clock speed | 2.1 GHz | 3 GHz | |
| Cores | Deca core | Hexa 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 | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 70W | 95W | |
| Annual home energy cost | 16.86 $/year | 22.89 $/year | |
| Annual commercial energy cost | 61.32 $/year | 83.22 $/year | |
| Performance per watt | 3.56 pt/W | 7.66 pt/W | |
| Typical power consumption | 56.88W | 77.19W | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 2 | 2 | |
| Data rate | 57,600 MB/s | 57,600 MB/s | |
| Transfer rate | 7,200 MT/s | 7,200 MT/s | |
| Clock speed | 3,600 MHz | 3,600 MHz | |
details | Xeon E5 2650L v2 | vs | E5-2640 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 20 | 12 | |
| L2 cache | 2.5 MB | 2 MB | |
| L2 cache per core | 0.25 MB/core | 0.33 MB/core | |
| L3 cache | 25 MB | 15 MB | |
| L3 cache per core | 2.5 MB/core | 2.5 MB/core | |
| Manufacture process | 22 nm | 32 nm | |
| Max CPUs | 2 | 2 | |
| Clock multiplier | 17 | 30 | |
| Operating temperature | Unknown - 65°C | Unknown - 73°C | |
overclocking | |||
| Overclocked clock speed | 1.7 GHz | 2.9 GHz | |
| Overclocked clock speed (Water) | 1.7 GHz | 2.5 GHz | |
| Overclocked clock speed (Air) | 1.7 GHz | 2.9 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 | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| DDR3-800 | |||
| Channels | Quad Channel | Quad Channel | |
| Supports ECC | No | Yes | |
| Maximum bandwidth | 25,600 MB/s | 42,666.64 MB/s | |
| Maximum memory size | 786,432 MB | 393,216 MB | |
 Intel Xeon E5 2650L v2  Report a correction |  Intel Xeon E5-2640 Report a correction |
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