Intel Xeon L5640 vs E5 2648L v2 |
Released March, 2010
Intel Xeon L5640
- 2.26 GHz
- Hexa core
Reasons to buy the Intel Xeon L5640
 | Much higher clock speed 2.26 GHz | | Much better overclocked clock speed (Air) 3.9 GHz |
| | Higher turbo clock speed 2.8 GHz | | Lower typical power consumption 48.75W |
VS
Released July, 2013
Intel Xeon E5 2648L v2
- 1.9 GHz
- Deca core
Reasons to buy the E5 2648L v2
| | Much more l3 cache 25 MB | | Supports more RAM 786,432 MB |
| | Much higher Maximum operating temperature 92 °C | | More threads 20 |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 2.26 GHz | vs | 1.9 GHz | Around 20% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much better overclocked clock speed (Air) | 3.9 GHz | vs | 1.9 GHz | More than 2x better overclocked clock speed (Air) | |||
| Higher turbo clock speed | 2.8 GHz | vs | 2.5 GHz | More than 10% higher turbo clock speed | |||
| Lower typical power consumption | 48.75W | vs | 56.88W | Around 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 | |||
| Much better overclocked clock speed (Water) | 2.27 GHz | vs | 1.9 GHz | Around 20% better overclocked clock speed (Water) | |||
| Lower annual commercial energy cost | 52.56 $/year | vs | 61.32 $/year | Around 15% lower annual commercial energy cost | |||
| Lower annual home energy cost | 14.45 $/year | vs | 16.86 $/year | Around 15% lower annual home energy cost | |||
| |||||||
| Much more l3 cache | 25 MB | vs | 12 MB | More than 2x more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| Supports more RAM | 786,432 MB | vs | 294,912 MB | Supports around 2.8x more RAM | |||
| Much higher Maximum operating temperature | 92 °C | vs | 69.4 °C | Around 35% higher Maximum operating temperature | |||
| More threads | 20 | vs | 12 | 8 more threads | |||
| 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 | |||
| Newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| More l3 cache per core | 2.5 MB/core | vs | 2 MB/core | 25% more l3 cache per core | |||
| Newer | Jul, 2013 | vs | Mar, 2010 | Release date over 3 years later | |||
Report a correction
Features Key features of the Xeon L5640 vs E5 2648L v2
clock speed
turbo clock speed
L2 cache
L3 cache
overclocked clock speed (air)
overclocked clock speed (water)
Specifications Full list of technical specs
summary | Xeon L5640 | vs | E5 2648L v2 |
|---|---|---|---|
| Clock speed | 2.26 GHz | 1.9 GHz | |
| Turbo clock speed | 2.8 GHz | 2.5 GHz | |
| Cores | Hexa core | Deca core | |
| Socket type | |||
| LGA 1366 | |||
| 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 | 60W | 70W | |
| Annual home energy cost | 14.45 $/year | 16.86 $/year | |
| Annual commercial energy cost | 52.56 $/year | 61.32 $/year | |
| Typical power consumption | 48.75W | 56.88W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3-800 | |||
| DDR3 | |||
| Channels | Triple Channel | Quad Channel | |
| Supports ECC | Yes | No | |
| Maximum bandwidth | 31,999.98 MB/s | 25,600 MB/s | |
| Maximum memory size | 294,912 MB | 786,432 MB | |
details | Xeon L5640 | vs | E5 2648L v2 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 12 | 20 | |
| L2 cache | 2 MB | 2.5 MB | |
| L2 cache per core | 0.33 MB/core | 0.25 MB/core | |
| L3 cache | 12 MB | 25 MB | |
| L3 cache per core | 2 MB/core | 2.5 MB/core | |
| Manufacture process | 32 nm | 22 nm | |
| Max CPUs | 2 | 2 | |
| Clock multiplier | 17 | 19 | |
| Operating temperature | Unknown - 69.4°C | Unknown - 92°C | |
overclocking | |||
| Overclocked clock speed | 3.9 GHz | 1.9 GHz | |
| Overclocked clock speed (Water) | 2.27 GHz | 1.9 GHz | |
| Overclocked clock speed (Air) | 3.9 GHz | 1.9 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 | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 2 | 2 | |
| Data rate | 46,928 MB/s | 64,000 MB/s | |
| Transfer rate | 5,860 MT/s | 8,000 MT/s | |
| Clock speed | 2,930 MHz | 4,000 MHz | |
 Intel Xeon L5640  Report a correction |  Intel Xeon E5 2648L v2 Report a correction |
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