Intel Xeon L7545 vs E7-8837 |
Released March, 2010
Intel Xeon L7545
- 1.87 GHz
- Hexa core
Reasons to buy the Intel Xeon L7545
 | More threads 12 | | Significantly lower typical power consumption 77.19W |
| | More l2 cache per core 0.33 MB/core | | Significantly lower annual commercial energy cost 83.22 $/year |
VS
Released April, 2011
Intel Xeon E7-8837
- 2.66 GHz
- Octa core
Reasons to buy the E7-8837
| | Much higher clock speed 2.66 GHz | | Much more l3 cache 24 MB |
| | Higher turbo clock speed 2.8 GHz | | Much better overclocked clock speed (Air) 2.67 GHz |
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Differences What are the advantages of each
| |||||||
| More threads | 12 | vs | 8 | 4 more threads | |||
|---|---|---|---|---|---|---|---|
| Significantly lower typical power consumption | 77.19W | vs | 105.63W | More than 25% 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 | |||
| Significantly lower annual commercial energy cost | 83.22 $/year | vs | 113.88 $/year | More than 25% lower annual commercial energy cost | |||
| Significantly lower annual home energy cost | 22.89 $/year | vs | 31.32 $/year | More than 25% lower annual home energy cost | |||
| |||||||
| Much higher clock speed | 2.66 GHz | vs | 1.87 GHz | More than 40% higher clock speed | |||
| Much more l3 cache | 24 MB | vs | 18 MB | Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| Higher turbo clock speed | 2.8 GHz | vs | 2.53 GHz | More than 10% higher turbo clock speed | |||
| Much better overclocked clock speed (Air) | 2.67 GHz | vs | 1.87 GHz | Around 45% better overclocked clock speed (Air) | |||
| Newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much better overclocked clock speed (Water) | 2.67 GHz | vs | 1.87 GHz | Around 45% better overclocked clock speed (Water) | |||
| Newer | Apr, 2011 | vs | Mar, 2010 | Release date a year later | |||
Report a correction
Features Key features of the Xeon L7545 vs E7-8837
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 L7545 | vs | E7-8837 |
|---|---|---|---|
| Clock speed | 1.87 GHz | 2.66 GHz | |
| Turbo clock speed | 2.53 GHz | 2.8 GHz | |
| Cores | Hexa core | Octa core | |
| Socket type | |||
| LGA 1567 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 130W | |
| Annual home energy cost | 22.89 $/year | 31.32 $/year | |
| Annual commercial energy cost | 83.22 $/year | 113.88 $/year | |
| Typical power consumption | 77.19W | 105.63W | |
details | Xeon L7545 | vs | E7-8837 |
|---|---|---|---|
| Threads | 12 | 8 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.33 MB/core | 0.25 MB/core | |
| L3 cache | 18 MB | 24 MB | |
| L3 cache per core | 3 MB/core | 3 MB/core | |
| Manufacture process | 45 nm | 32 nm | |
| Max CPUs | 8 | 8 | |
| Operating temperature | Unknown - 70°C | Unknown - 69°C | |
overclocking | |||
| Overclocked clock speed | 1.87 GHz | 2.67 GHz | |
| Overclocked clock speed (Water) | 1.87 GHz | 2.67 GHz | |
| Overclocked clock speed (Air) | 1.87 GHz | 2.67 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 | 4 | 1 | |
| Data rate | 93,856 MB/s | 25,600 MB/s | |
| Transfer rate | 5,860 MT/s | 6,400 MT/s | |
| Clock speed | 2,930 MHz | 3,200 MHz | |
 Intel Xeon L7545  Report a correction |  Intel Xeon E7-8837 Report a correction |
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