Intel Xeon E3-1275 v5 vs E3-1246 v3 |
Released October, 2015
Intel Xeon E3-1275 v5
- 3.6 GHz
- Quad core
Reasons to buy the Intel Xeon E3-1275 v5
 | Significantly newer manufacturing process 14 nm | | Higher GPU clock speed 400 MHz |
| | Better geekbench 3 Multi-Core score 14,383 | | Newer Oct, 2015 |
VS
Released April, 2014
Intel Xeon E3-1246 v3
- 3.5 GHz
- Quad core
Reasons to buy the E3-1246 v3
| | Much better performance per dollar 4.47 pt/$ | | Much better performance per watt 15.17 pt/W |
| | Better turbo clock speed 1,200 MHz |
Cast your vote Do you agree or disagree with CPUBoss?
VS
| |  | Intel Xeon E3-1246 v3CPUBoss Winner |
Differences What are the advantages of each
| |||||||
| Significantly newer manufacturing process | 14 nm | vs | 22 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
|---|---|---|---|---|---|---|---|
| Higher GPU clock speed | 400 MHz | vs | 350 MHz | Around 15% higher GPU clock speed | |||
| Better geekbench 3 Multi-Core score | 14,383 | vs | 13,608 | More than 5% better geekbench 3 Multi-Core score | |||
| Newer | Oct, 2015 | vs | Apr, 2014 | Release date over 1 years later | |||
| Better overclocked clock speed (Air) | 4 GHz | vs | 3.78 GHz | More than 5% better overclocked clock speed (Air) | |||
| Better overclocked clock speed (Water) | 4 GHz | vs | 3.7 GHz | Around 10% better overclocked clock speed (Water) | |||
| |||||||
| Much better performance per dollar | 4.47 pt/$ | vs | 0.8 pt/$ | More than 5.5x better performance per dollar | |||
| Much better performance per watt | 15.17 pt/W | vs | 3.54 pt/W | More than 4.2x better performance per watt | |||
| Better turbo clock speed | 1,200 MHz | vs | 1,150 MHz | Around 5% better turbo clock speed | |||
Report a correction
Benchmarks Real world tests of Xeon E3-1275 v5 vs E3-1246 v3
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 E3-1275 v5 | vs | E3-1246 v3 |
|---|---|---|---|
| Clock speed | 3.6 GHz | 3.5 GHz | |
| Turbo clock speed | 4 GHz | 3.9 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 | 80W | 84W | |
| Annual home energy cost | 19.27 $/year | 20.24 $/year | |
| Annual commercial energy cost | 70.08 $/year | 73.58 $/year | |
| Performance per watt | 3.54 pt/W | 15.17 pt/W | |
| Typical power consumption | 65W | 68.25W | |
bus | |||
| Architecture | FSB | DMI 2.0 | |
| Number of links | 1 | 0 | |
| Transfer rate | 8,000 MT/s | 5,000 MT/s | |
details | Xeon E3-1275 v5 | vs | E3-1246 v3 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 8 | |
| L3 cache | 8 MB | 8 MB | |
| L3 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 14 nm | 22 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 4 GHz | 3.78 GHz | |
| Overclocked clock speed (Water) | 4 GHz | 3.7 GHz | |
| Overclocked clock speed (Air) | 4 GHz | 3.78 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics P530 | Intel® HD Graphics P4600 | |
| Number of displays supported | 3 | 3 | |
| GPU clock speed | 400 MHz | 350 MHz | |
| Turbo clock speed | 1,150 MHz | 1,200 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3L-1600 | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 25,600 MB/s | 25,600 MB/s | |
| Maximum memory size | 65,536 MB | 32,768 MB | |
 Intel Xeon E3-1275 v5  Report a correction |  Intel Xeon E3-1246 v3 Report a correction |
Follow us
Compare
Related Comparisons
 | VS |  |
| $285 | $280 | |
| E3-1246 v3 vs 4770 | ||
| | VS |  |
| $285 | $272 | |
| E3-1246 v3 vs 4790K | ||
| | VS |  |
| $285 | $305 | |
| E3-1246 v3 vs 4790 | ||
| | VS |  |
| $285 | $340 | |
| E3-1246 v3 vs E3-1270 v3 | ||
| | VS |  |
| $285 | $290 | |
| E3-1246 v3 vs E3-1245 v3 | ||
 | VS |  |
| $355 | $350 | |
| E3-1275 v5 vs 6700K | ||
| | VS |  |
| $355 | $305 | |
| E3-1275 v5 vs 6700 | ||
Popular Comparisons
 | VS |  |
| $305 | $300 | |
| W3520 vs 2500 | ||
| | VS | |
| $272 | $350 | |
| 4790K vs 6700K | ||
 | VS |  |
| $281 | ||
| 4200U vs 6410 | ||
 | VS |  |
| $281 | ||
| 6200U vs 7th Gen A9-9410 | ||
 | VS |  |
| $275 | $161 | |
| 4005U vs N3540 | ||
 | VS |  |
| $248 | $230 | |
| 4770K vs 9590 | ||
 | VS | |
| $250 | $350 | |
| 6600K vs 6700K | ||
