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| Intel Xeon E3-1271 v3 vs Core i7 4790K |
Released April, 2014
Intel Xeon E3-1271 v3
- 3.6 GHz
- Quad core
Reasons to buy the Intel Xeon E3-1271 v3
![]() | Supports trusted computing Yes | ![]() | Lower typical power consumption 65W |
![]() | Lower annual home energy cost 19.27 $/year | ![]() | Lower annual commercial energy cost 70.08 $/year |
VS
Released April, 2014
Intel Core i7 4790K
- 4 GHz
- Quad core
- Unlocked
Reasons to buy the Core i7 4790K
![]() | Much better performance per dollar 3.69 pt/$ | ![]() | Has a built-in GPU Yes |
![]() | Higher clock speed 4 GHz | ![]() | Higher turbo clock speed 4.4 GHz |
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| ![]() | Intel Core i7 4790KCPUBoss Winner |
Differences What are the advantages of each
| |||||||
Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
---|---|---|---|---|---|---|---|
Lower typical power consumption | 65W | vs | 71.5W | Around 10% lower typical power consumption | |||
Lower annual home energy cost | 19.27 $/year | vs | 21.2 $/year | Around 10% lower annual home energy cost | |||
Lower annual commercial energy cost | 70.08 $/year | vs | 77.09 $/year | Around 10% lower annual commercial energy cost | |||
| |||||||
Much better performance per dollar | 3.69 pt/$ | vs | 0.8 pt/$ | Around 4.8x better performance per dollar | |||
Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
Higher clock speed | 4 GHz | vs | 3.6 GHz | More than 10% higher clock speed | |||
Higher turbo clock speed | 4.4 GHz | vs | 4 GHz | More than 10% higher turbo clock speed | |||
Much better performance per watt | 11.42 pt/W | vs | 3.4 pt/W | More than 3.2x better performance per watt | |||
Better overclocked clock speed (Air) | 4.63 GHz | vs | 4.05 GHz | Around 15% better overclocked clock speed (Air) | |||
Better PassMark (Single core) score | 2,530 | vs | 2,266 | More than 10% better PassMark (Single core) score | |||
Better PassMark score | 11,194 | vs | 10,063 | More than 10% better PassMark score | |||
Significantly better overclocked clock speed (Water) | 4.8 GHz | vs | 3.88 GHz | Around 25% better overclocked clock speed (Water) |
Benchmarks Real world tests of Xeon E3-1271 v3 vs Core i7 4790K
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon E3-1271 v3
13,965
Core i7 4790K
15,490
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon E3-1271 v3
3,760
Core i7 4790K
4,004
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon E3-1271 v3
4,830 MB/s
Core i7 4790K
5,140,000 MB/s
PassMark Data courtesy Passmark
Xeon E3-1271 v3
10,063
Core i7 4790K
11,194
PassMark (Single Core)
Xeon E3-1271 v3
2,266
Core i7 4790K
2,530
Specifications Full list of technical specs
summary | Xeon E3-1271 v3 | vs | Core i7 4790K |
---|---|---|---|
Clock speed | 3.6 GHz | 4 GHz | |
Turbo clock speed | 4 GHz | 4.4 GHz | |
Cores | Quad core | Quad core | |
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | No | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
F16C | |||
MMX | |||
SSE4 | |||
AVX | |||
SSE3 | |||
EM64T | |||
SSE | |||
SSE4.1 | |||
FMA3 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
AES | |||
AVX 2.0 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 80W | 88W | |
Annual home energy cost | 19.27 $/year | 21.2 $/year | |
Annual commercial energy cost | 70.08 $/year | 77.09 $/year | |
Performance per watt | 3.4 pt/W | 11.42 pt/W | |
Typical power consumption | 65W | 71.5W | |
bus | |||
Architecture | DMI 2.0 | DMI 2.0 | |
Number of links | 0 | 0 | |
Transfer rate | 5,000 MT/s | 5,000 MT/s |
details | Xeon E3-1271 v3 | vs | Core i7 4790K |
---|---|---|---|
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 | 22 nm | 22 nm | |
Max CPUs | 1 | 1 | |
overclocking | |||
Overclocked clock speed | 4.05 GHz | 4.63 GHz | |
Overclocked clock speed (Water) | 3.88 GHz | 4.8 GHz | |
Overclocked clock speed (Air) | 4.05 GHz | 4.63 GHz | |
integrated graphics | |||
GPU | None | GPU | |
Label | N/A | Intel® HD Graphics 4600 | |
Number of displays supported | N/A | 3 | |
GPU clock speed | N/A | 350 MHz | |
Turbo clock speed | N/A | 1,250 MHz | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1600 | |||
DDR3L-1600 | |||
DDR3-1333 | |||
DDR3 | |||
Channels | Dual Channel | Dual Channel | |
Supports ECC | Yes | No | |
Maximum bandwidth | 25,600 MB/s | 25,600 MB/s | |
Maximum memory size | 32,768 MB | 32,768 MB |
Intel Xeon E3-1271 v3 ![]() | Intel Core i7 4790K ![]() |
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