AMD Epyc 7642 vs Intel Core i7-990X

VS
AMD Epyc 7642
AMD Epyc 7642 Image
Intel Core i7-990X
Intel Core i7-990X Image
AMD Epyc 7642
Intel Core i7-990X
Key Differences Key Differences AMD Epyc 7642 Intel Core i7-990X
Cores 48 6
CPU Threads 96 12
Base Clock Speed 2.3GHz 3.46GHz
Turbo Clock Speed 3.3GHz 3.73GHz
TDP (THERMAL DESIGN POINT) 225W 130W
Has integrated graphics No No
Performance per watt Not Known 97.0
Performance Performance AMD Epyc 7642 Intel Core i7-990X
CPU Speed & Cores 48 x 2.3GHz 6 x 3.46GHz
Number of CPU Threads 96 12
L2 Cache Size 24MB 1.5MB
L3 Cache Size 256MB 12MB
Turbo Boost Frequency 3.3GHz 3.73GHz
L1 Cache Size 3072KB 384KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 5.33MB/core 2MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 26
Features Features AMD Epyc 7642 Intel Core i7-990X
Has AES Support Yes Yes
Supported SSE Version 4.2 4.2
Has AVX Support Yes No
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7642 Intel Core i7-990X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 225W 130W
PCI Express Version 4 3
Does it have Integrated Graphics No No
Transistor Count Not Known 1170 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7642 Intel Core i7-990X
RAM Memory Speed 3200MHz 1066MHz
Max Memory Bandwidth 190.7GB/s 25.6GB/s
Max Memory Channels 8 3
Supported Memory Size 4000GB 24GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 6.4GT/s
Benchmarks Benchmarks AMD Epyc 7642 Intel Core i7-990X
PassMark Score Not Known 9374
PassMark Score (Single Thread) Not Known 1510
PassMark Score (Overclocked) Not Known 11238
CPU Performance (Per Watt) Not Known 97.0

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