Intel Xeon E3-1265L v2 vs E3-1235L v5 |
Released May, 2012
Intel Xeon E3-1265L v2
- 2.5 GHz
- Quad core
Reasons to buy the Intel Xeon E3-1265L v2
 | Much better performance per dollar 2.8 pt/$ | | Higher clock speed 2.5 GHz |
| | Higher turbo clock speed 3.5 GHz | | Much better performance per watt 19.91 pt/W |
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Released October, 2015
Intel Xeon E3-1235L v5
- 2 GHz
- Quad core
Reasons to buy the E3-1235L v5
| | Significantly newer manufacturing process 14 nm | | Lower typical power consumption 20.31W |
| | Newer Oct, 2015 | | Better overclocked clock speed (Air) 3 GHz |
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Intel Xeon E3-1265L v2CPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| Much better performance per dollar | 2.8 pt/$ | vs | 0.87 pt/$ | Around 3.2x better performance per dollar | |||
|---|---|---|---|---|---|---|---|
| Higher clock speed | 2.5 GHz | vs | 2 GHz | 25% higher clock speed | |||
| Higher turbo clock speed | 3.5 GHz | vs | 3 GHz | More than 15% higher turbo clock speed | |||
| Much better performance per watt | 19.91 pt/W | vs | 8.74 pt/W | More than 2.2x better performance per watt | |||
| Significantly higher GPU clock speed | 650 MHz | vs | 400 MHz | Around 65% higher GPU clock speed | |||
| More threads | 8 | vs | 4 | Twice as many threads | |||
| Better PassMark score | 7,745 | vs | 6,352 | More than 20% better PassMark score | |||
| Better PassMark (Single core) score | 1,739 | vs | 1,584 | Around 10% better PassMark (Single core) score | |||
| |||||||
| Significantly newer manufacturing process | 14 nm | vs | 22 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Lower typical power consumption | 20.31W | vs | 36.56W | Around 45% lower typical power consumption | |||
| Newer | Oct, 2015 | vs | May, 2012 | Release date over 3 years later | |||
| Better overclocked clock speed (Air) | 3 GHz | vs | 2.5 GHz | 20% better overclocked clock speed (Air) | |||
| Lower annual home energy cost | 6.02 $/year | vs | 10.84 $/year | Around 45% lower annual home energy cost | |||
| Lower annual commercial energy cost | 21.9 $/year | vs | 39.42 $/year | Around 45% lower annual commercial energy cost | |||
| Better overclocked clock speed (Water) | 3 GHz | vs | 2.5 GHz | 20% better overclocked clock speed (Water) | |||
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Benchmarks Real world tests of Xeon E3-1265L v2 vs E3-1235L v5
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E3-1265L v2 | vs | E3-1235L v5 |
|---|---|---|---|
| Clock speed | 2.5 GHz | 2 GHz | |
| Turbo clock speed | 3.5 GHz | 3 GHz | |
| Cores | Quad core | Quad core | |
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 | |||
| AVX 2.0 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 45W | 25W | |
| Annual home energy cost | 10.84 $/year | 6.02 $/year | |
| Annual commercial energy cost | 39.42 $/year | 21.9 $/year | |
| Performance per watt | 19.91 pt/W | 8.74 pt/W | |
| Typical power consumption | 36.56W | 20.31W | |
bus | |||
| Architecture | DMI | FSB | |
| Number of links | 1 | 1 | |
| Transfer rate | 5,000 MT/s | 8,000 MT/s | |
details | Xeon E3-1265L v2 | vs | E3-1235L v5 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 4 | |
| L3 cache | 8 MB | 8 MB | |
| L3 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 22 nm | 14 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 2.5 GHz | 3 GHz | |
| Overclocked clock speed (Water) | 2.5 GHz | 3 GHz | |
| Overclocked clock speed (Air) | 2.5 GHz | 3 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics 2500 | Intel® HD Graphics P530 | |
| Number of displays supported | 3 | 3 | |
| GPU clock speed | 650 MHz | 400 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3 | |||
| DDR3L-1333 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 25,600 MB/s | 12,800 MB/s | |
| Maximum memory size | 33,556.48 MB | 65,536 MB | |
 Intel Xeon E3-1265L v2  Report a correction |  Intel Xeon E3-1235L v5 Report a correction |
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