AMD Epyc 7742 vs Intel Core i7-7820X

VS
AMD Epyc 7742
AMD Epyc 7742 Image
Intel Core i7-7820X
Intel Core i7-7820X Image
AMD Epyc 7742
Intel Core i7-7820X
Key Differences Key Differences AMD Epyc 7742 Intel Core i7-7820X
Cores 64 8
CPU Threads 128 16
Base Clock Speed 2.25GHz 3.6GHz
Turbo Clock Speed 3.4GHz 4.5GHz
TDP (THERMAL DESIGN POINT) 225W 140W
Has integrated graphics No No
Performance per watt 66.7 Not Known
Performance Performance AMD Epyc 7742 Intel Core i7-7820X
CPU Speed & Cores 64 x 2.25GHz 8 x 3.6GHz
Number of CPU Threads 128 16
L2 Cache Size 32MB 8MB
L3 Cache Size 256MB 11MB
Turbo Boost Frequency 3.4GHz 4.5GHz
L1 Cache Size 4096KB 256KB
L2 Core 0.5MB/core 1MB/core
L3 Core 4MB/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 7742 Intel Core i7-7820X
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 7742 Intel Core i7-7820X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 140W
PCI Express Version 4 3
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 Intel Core i7-7820X
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 190.7GB/s Not Known
Max Memory Channels 8 4
Supported Memory Size 4000GB 128GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 8GT/s
Benchmarks Benchmarks AMD Epyc 7742 Intel Core i7-7820X
PassMark Score 67185 Not Known
PassMark Score (Single Thread) 2376 Not Known
Geekbench 5 Score (Multi-Thread) 15005 Not Known
Cinebench R20 Score (Multi-Thread) 20644 Not Known
Cinebench R20 Score (Single Thread) 398 Not Known
Geekbench 5 Score (Single Thread) 725 Not Known
Blender Score (bmw27) 33.9seconds Not Known
Blender Score (Classroom) 95.8seconds Not Known
CPU Performance (Per Watt) 66.7 Not Known

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