Intel Core i7-8700K vs AMD Epyc 7251

VS
Intel Core i7-8700K
Intel Core i7-8700K Image
AMD Epyc 7251
AMD Epyc 7251 Image
Intel Core i7-8700K
AMD Epyc 7251
Key Differences Key Differences Intel Core i7-8700K AMD Epyc 7251
Cores 6 8
CPU Threads 12 16
Base Clock Speed 3.7GHz 2.1GHz
Turbo Clock Speed 4.7GHz 2.9GHz
TDP (THERMAL DESIGN POINT) 95W 120W
Has integrated graphics Yes No
Performance per watt Not Known Not Known
Performance Performance Intel Core i7-8700K AMD Epyc 7251
CPU Speed & Cores 6 x 3.7GHz 8 x 2.1GHz
Number of CPU Threads 12 16
L2 Cache Size 1.5MB 4MB
L3 Cache Size 12MB 32MB
Turbo Boost Frequency 4.7GHz 2.9GHz
L1 Cache Size 384KB 768KB
L2 Core 0.25MB/core 0.5MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 4MB/core
Clock Multiplier 37 21
Turbo Boost Tech Version 2 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-8700K AMD Epyc 7251
Has AES Support Yes Yes
Supports CPU Throttling Yes No
Supported SSE Version 4.2 4.2
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Miscellaneous Miscellaneous Intel Core i7-8700K AMD Epyc 7251
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i7-8700K AMD Epyc 7251
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 95W 120W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.5 Not Known
GPU Boost Clock Speed 1200MHz Not Known
No. of Supported Displays 3 Not Known
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
Does it have Integrated Graphics Yes No
Transistor Count Not Known 19200 million
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-8700K AMD Epyc 7251
RAM Memory Speed 2666MHz 2400MHz
Max Memory Bandwidth 42.7GB/s 307GB/s
Max Memory Channels 2 8
Supported Memory Size 64GB 2000GB
Bus Bandwidth 8GT/s Not Known
ECC (Error-Correcting Code) Memory Support No Yes
Benchmarks Benchmarks Intel Core i7-8700K AMD Epyc 7251
PassMark Score 16270 10771
PassMark Score (Single Thread) 2728 1523

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