Intel Core i7-6700K vs. AMD Epyc 7251

Intel Core i7-6700KCPU1 vs CPU2AMD Epyc 7251
Intel Core i7-6700KAMD Epyc 7251
4.00 GHzFrequency2.10 GHz
4.20 GHzTurbo (1 Core)2.90 GHz
4.00 GHzTurbo (All Cores)2.90 GHz
4Cores8
YesHyperthreadingYes
YesOverclocking ?No
8.00 MBCache32.00 MB
Intel HD Graphics 530GPU
0.35 GHzGPU frequency
1.15 GHzGPU (Turbo)
9GPU Generation
14 nmTechnology
12DirectX Version
3Max. displays
24Execution units
192Shader
Decode / EncodeCodec h264No
Decode / EncodeCodec JPEGNo
Decode / EncodeCodec h265 8bitNo
DecodeCodec h265 10bitNo
Decode / EncodeCodec VP8No
DecodeCodec VP9No
DecodeCodec VC-1No
Decode / EncodeCodec AVCNo
SkylakeArchitectureZen
DDR3-1600, DDR4-2133MemoryDDR4-2666
2Memory channels8
64 GBMax. Memory
NoECCYes
3.0PCIe version3.0
16PCIe lanes128
14 nmTechnology14 nm
LGA 1151SocketSP3
91WTDP120W
YesAES-NIYes
VT-x, VT-x EPT, VT-dVirtualizationAMD-V, SEV
Q3/2015Release dateQ3/2017
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Amazon
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Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
421 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
0 (0%)
Amazon



Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
2059 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
0 (0%)
Amazon



Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
180 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
128 (71%)
Amazon



Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
888 (81%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
1093 (100%)
Amazon



iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.

Intel Core i7-6700K Intel Core i7-6700K
Intel HD Graphics 530 @ 1.15 GHz
442 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
--
0 (0%)
Amazon



Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
1151 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
0 (0%)
Amazon



Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
4459 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
0 (0%)
Amazon



Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected "bmw27" as the benchmark scene.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
369.3 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
0 (0%)
Amazon



Geekbench 3, 64bit (Single-Core)

Geekbench 3 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
4757 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
3410 (72%)
Amazon



Geekbench 3, 64bit (Multi-Core)

Geekbench 3 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
17028 (90%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
18947 (100%)
Amazon



Cinebench R11.5, 64bit (Single-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
2.19 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
1.57 (72%)
Amazon



Cinebench R11.5, 64bit (Multi-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
9.92 (90%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
11.04 (100%)
Amazon



Cinebench R11.5, 64bit (iGPU, OpenGL)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The iGPU test uses the CPU internal graphic unit to execute OpenGL commands.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
41.4 (100%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
0 (0%)
Amazon



Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

Intel Core i7-6700K Intel Core i7-6700K
4x 4.00 GHz (4.20 GHz) HT
11108 (94%)
Amazon
AMD Epyc 7251 AMD Epyc 7251
8x 2.10 GHz (2.90 GHz) HT
11809 (100%)
Amazon



Devices using this processorDevices using this processor

Intel Core i7-6700K AMD Epyc 7251
Schenker XMG mit Intel Core i7-6700K
Memory PC mit Intel Core i7-6700K
Unknown

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