AMD Epyc 7551 vs Intel Core i9-7940X

VS
AMD Epyc 7551
AMD Epyc 7551 Image
Intel Core i9-7940X
Intel Core i9-7940X Image
AMD Epyc 7551
Intel Core i9-7940X
Key Differences Key Differences AMD Epyc 7551 Intel Core i9-7940X
Cores 32 14
CPU Threads 64 28
Base Clock Speed 2GHz 3.1GHz
Turbo Clock Speed 3GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 180W 165W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7551 Intel Core i9-7940X
CPU Speed & Cores 32 x 2GHz 14 x 3.1GHz
Number of CPU Threads 64 28
L2 Cache Size 16MB 14MB
L3 Cache Size 64MB 19.2MB
Turbo Boost Frequency 3GHz 4.4GHz
L1 Cache Size 3072KB 448KB
L2 Core 0.5MB/core 1MB/core
L3 Core 2MB/core 1.3MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Boost Tech Version Not Known 3
Features Features AMD Epyc 7551 Intel Core i9-7940X
Has AES Support Yes Yes
Supported SSE Version 4.2 Not Known
Has AVX Support Yes Yes
Has MMX Tech Support Yes No
Has F16C Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support No Yes
General info General info AMD Epyc 7551 Intel Core i9-7940X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 180W 165W
PCI Express Version 3 3
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7551 Intel Core i9-7940X
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 341GB/s Not Known
Max Memory Channels 8 4
Supported Memory Size 2000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Epyc 7551 Intel Core i9-7940X
PassMark Score 19606 Not Known
PassMark Score (Single Thread) 1660 Not Known

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