Intel Xeon D-1540 vs Core i7 6700K |
Released March, 2015
Intel Xeon D-1540
- 2 GHz
- Octa core
Reasons to buy the Intel Xeon D-1540
 | Significantly more l2 cache 2 MB | | Much lower typical power consumption 36.56W |
| | More l3 cache 12 MB | | More cores 8 |
VS
Released July, 2015
Intel Core i7 6700K
- 4 GHz
- Quad core
- Unlocked
Reasons to buy the Core i7 6700K
| | Much higher clock speed 4 GHz | | Much higher turbo clock speed 4.2 GHz |
| | Has a built-in GPU Yes | | Much better overclocked clock speed (Air) 4.61 GHz |
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| |  | Intel Core i7 6700KCPUBoss Winner |
Differences What are the advantages of each
| |||||||
| Significantly more l2 cache | 2 MB | vs | 1 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much lower typical power consumption | 36.56W | vs | 73.94W | 2x lower typical power consumption | |||
| More l3 cache | 12 MB | vs | 8 MB | 50% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| More cores | 8 | vs | 4 | Twice as many cores; run more applications at once | |||
| More threads | 16 | vs | 8 | Twice as many threads | |||
| Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
| Significantly higher Maximum operating temperature | 80 °C | vs | 64 °C | 25% higher Maximum operating temperature | |||
| Much lower annual home energy cost | 10.84 $/year | vs | 21.92 $/year | 2x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 39.42 $/year | vs | 79.72 $/year | 2x lower annual commercial energy cost | |||
| |||||||
| Much higher clock speed | 4 GHz | vs | 2 GHz | 2x higher clock speed | |||
| Much higher turbo clock speed | 4.2 GHz | vs | 2.6 GHz | More than 60% higher turbo clock speed | |||
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
| Much better overclocked clock speed (Air) | 4.61 GHz | vs | 2 GHz | More than 2.2x better overclocked clock speed (Air) | |||
| Significantly better PassMark (Single core) score | 2,349 | vs | 1,344 | Around 75% better PassMark (Single core) score | |||
| Much better performance per dollar | 0.91 pt/$ | vs | 0.28 pt/$ | Around 3.2x better performance per dollar | |||
| More l3 cache per core | 2 MB/core | vs | 1.5 MB/core | Around 35% more l3 cache per core | |||
| Much better overclocked clock speed (Water) | 4.77 GHz | vs | 2 GHz | Around 2.5x better overclocked clock speed (Water) | |||
| Newer | Jul, 2015 | vs | Mar, 2015 | Release date 3 months later | |||
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Benchmarks Real world tests of Xeon D-1540 vs Core i7 6700K
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
Cinebench R10 32-Bit
Cinebench R10 32-Bit (Single Core)
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon D-1540 | vs | Core i7 6700K |
|---|---|---|---|
| Clock speed | 2 GHz | 4 GHz | |
| Turbo clock speed | 2.6 GHz | 4.2 GHz | |
| Cores | Octa core | Quad core | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | No | |
| 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 | 91W | |
| Annual home energy cost | 10.84 $/year | 21.92 $/year | |
| Annual commercial energy cost | 39.42 $/year | 79.72 $/year | |
| Performance per watt | 3.64 pt/W | 3.49 pt/W | |
| Typical power consumption | 36.56W | 73.94W | |
bus | |||
| Architecture | DMI 2.0 | FSB | |
| Number of links | 1 | 0 | |
details | Xeon D-1540 | vs | Core i7 6700K |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 16 | 8 | |
| L2 cache | 2 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 12 MB | 8 MB | |
| L3 cache per core | 1.5 MB/core | 2 MB/core | |
| Manufacture process | 14 nm | 14 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 80°C | Unknown - 64°C | |
overclocking | |||
| Overclocked clock speed | 2 GHz | 4.61 GHz | |
| Overclocked clock speed (Water) | 2 GHz | 4.77 GHz | |
| Overclocked clock speed (Air) | 2 GHz | 4.61 GHz | |
integrated graphics | |||
| GPU | None | GPU | |
| Label | N/A | Intel® HD Graphics 530 | |
| Number of displays supported | N/A | 3 | |
| GPU clock speed | N/A | 350 MHz | |
| Turbo clock speed | N/A | 1,150 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | Yes | No | |
| Maximum memory size | 131,072 MB | 65,536 MB | |
 Intel Xeon D-1540  Report a correction |  Intel Core i7 6700K Report a correction |
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