AMD Epyc 7642 vs Intel Core i9-9940X

VS
AMD Epyc 7642
AMD Epyc 7642 Image
Intel Core i9-9940X
Intel Core i9-9940X Image
AMD Epyc 7642
Intel Core i9-9940X
Key Differences Key Differences AMD Epyc 7642 Intel Core i9-9940X
Cores 48 14
CPU Threads 96 28
Base Clock Speed 2.3GHz 3.3GHz
Turbo Clock Speed 3.3GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 225W 165W
Has integrated graphics No No
Performance per watt Not Known 83.2
Performance Performance AMD Epyc 7642 Intel Core i9-9940X
CPU Speed & Cores 48 x 2.3GHz 14 x 3.3GHz
Number of CPU Threads 96 28
L2 Cache Size 24MB 14MB
L3 Cache Size 256MB 19.25MB
Turbo Boost Frequency 3.3GHz 4.4GHz
L1 Cache Size 3072KB 896KB
L2 Core 0.5MB/core 1MB/core
L3 Core 5.33MB/core 1.38MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 33
Turbo Boost Tech Version Not Known 2
Features Features AMD Epyc 7642 Intel Core i9-9940X
Has AES Support Yes Yes
Supported SSE Version 4.2 4.2
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes Yes
Has FMA4 Instructions Support No No
Has Multithreading Tech 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
General info General info AMD Epyc 7642 Intel Core i9-9940X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 165W
PCI Express Version 4 3
Does it have Integrated Graphics No No
CPU Temperature Not Known 88°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7642 Intel Core i9-9940X
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 190.7GB/s 79.47GB/s
Max Memory Channels 8 4
Supported Memory Size 4000GB 128GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 4
Bus Bandwidth Not Known 8GT/s
Benchmarks Benchmarks AMD Epyc 7642 Intel Core i9-9940X
Cinebench R20 Score (Single Thread) Not Known 457
PassMark Score Not Known 28274
PassMark Score (Single Thread) Not Known 2627
Geekbench 5 Score (Multi-Thread) Not Known 13722
Cinebench R20 Score (Multi-Thread) Not Known 5912
Geekbench 5 Score (Single Thread) Not Known 1148
Blender Score (bmw27) Not Known 110.3seconds
Blender Score (Classroom) Not Known 329.7seconds
PassMark Score (Overclocked) Not Known 29664
CPU Performance (Per Watt) Not Known 83.2

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