Intel Core i7 6700K vs AMD Opteron 6266 HE |
Released July, 2015
Intel Core i7 6700K
- 4 GHz
- Quad core
- Unlocked
Reasons to buy the Intel Core i7 6700K
 | Much higher clock speed 4 GHz | | Much newer manufacturing process 14 nm |
| | Much better overclocked clock speed (Air) 4.61 GHz | | Significantly more l3 cache per core 2 MB/core |
VS
First seen on January, 2013
AMD Opteron 6266 HE
- 1.8 GHz
- 16 core
Reasons to buy the AMD Opteron 6266 HE
| | Much more l2 cache 16 MB | | More cores 16 |
| | Supports more CPUs in SMP configuration 4 | | More l3 cache 16 MB |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 4 GHz | vs | 1.8 GHz | Around 2.2x higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much newer manufacturing process | 14 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much better overclocked clock speed (Air) | 4.61 GHz | vs | 2.26 GHz | More than 2x better overclocked clock speed (Air) | |||
| Significantly more l3 cache per core | 2 MB/core | vs | 1 MB/core | 2x more l3 cache per core | |||
| Much better overclocked clock speed (Water) | 4.77 GHz | vs | 1.8 GHz | Around 2.8x better overclocked clock speed (Water) | |||
| |||||||
| Much more l2 cache | 16 MB | vs | 1 MB | 16x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| More cores | 16 | vs | 4 | 12 more cores; run more applications at once | |||
| Supports more CPUs in SMP configuration | 4 | vs | 1 | 3 supports more CPUs in SMP configuration | |||
| More l3 cache | 16 MB | vs | 8 MB | 2x more l3 cache; more data can be stored in the l3 cache for quick access later | |||
| Much more l2 cache per core | 1 MB/core | vs | 0.25 MB/core | 4x more l2 cache per core | |||
| More threads | 16 | vs | 8 | Twice as many threads | |||
| Lower typical power consumption | 69.06W | vs | 73.94W | More than 5% lower typical power consumption | |||
| Lower annual home energy cost | 20.48 $/year | vs | 21.92 $/year | More than 5% lower annual home energy cost | |||
| Lower annual commercial energy cost | 74.46 $/year | vs | 79.72 $/year | More than 5% lower annual commercial energy cost | |||
Report a correction
Features Key features of the Core i7 6700K vs Opteron 6266 HE
clock speed
L2 cache
L3 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Core i7 6700K | vs | Opteron 6266 HE |
|---|---|---|---|
| Clock speed | 4 GHz | 1.8 GHz | |
| Cores | Quad core | 16 core | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| AVX 2.0 | |||
bus | |||
| Architecture | FSB | HyperTransport 3.0 | |
| Transfer rate | 8,000 MT/s | 6,400 MT/s | |
details | Core i7 6700K | vs | Opteron 6266 HE |
|---|---|---|---|
| Threads | 8 | 16 | |
| L2 cache | 1 MB | 16 MB | |
| L2 cache per core | 0.25 MB/core | 1 MB/core | |
| L3 cache | 8 MB | 16 MB | |
| L3 cache per core | 2 MB/core | 1 MB/core | |
| Manufacture process | 14 nm | 32 nm | |
| Max CPUs | 1 | 4 | |
overclocking | |||
| Overclocked clock speed | 4.61 GHz | 2.26 GHz | |
| Overclocked clock speed (Water) | 4.77 GHz | 1.8 GHz | |
| Overclocked clock speed (Air) | 4.61 GHz | 2.26 GHz | |
power consumption | |||
| TDP | 91W | 85W | |
| Annual home energy cost | 21.92 $/year | 20.48 $/year | |
| Annual commercial energy cost | 79.72 $/year | 74.46 $/year | |
| Typical power consumption | 73.94W | 69.06W | |
 Intel Core i7 6700K  Report a correction |  AMD Opteron 6266 HE Report a correction |
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