AMD Epyc 7642 vs AMD Ryzen 7 3800X

VS
AMD Epyc 7642
AMD Epyc 7642 Image
AMD Ryzen 7 3800X
AMD Ryzen 7 3800X Image
AMD Epyc 7642
AMD Ryzen 7 3800X
Key Differences Key Differences AMD Epyc 7642 AMD Ryzen 7 3800X
Cores 48 8
CPU Threads 96 16
Base Clock Speed 2.3GHz 3.9GHz
Turbo Clock Speed 3.3GHz 4.5GHz
TDP (THERMAL DESIGN POINT) 225W 105W
Has integrated graphics No No
Performance per watt Not Known 85.3
Performance Performance AMD Epyc 7642 AMD Ryzen 7 3800X
CPU Speed & Cores 48 x 2.3GHz 8 x 3.9GHz
Number of CPU Threads 96 16
L2 Cache Size 24MB 4MB
L3 Cache Size 256MB 32MB
Turbo Boost Frequency 3.3GHz 4.5GHz
L1 Cache Size 3072KB 512KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 5.33MB/core 4MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7642 AMD Ryzen 7 3800X
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 No
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7642 AMD Ryzen 7 3800X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 7nm
TDP (Thermal Design Point) 225W 105W
PCI Express Version 4 4
Does it have Integrated Graphics No No
CPU Temperature Not Known 95°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7642 AMD Ryzen 7 3800X
RAM Memory Speed 3200MHz 3200MHz
Max Memory Bandwidth 190.7GB/s 47.68GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 128GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 4
Benchmarks Benchmarks AMD Epyc 7642 AMD Ryzen 7 3800X
Cinebench R20 Score (Single Thread) Not Known 509
PassMark Score Not Known 23374
PassMark Score (Single Thread) Not Known 2746
Geekbench 5 Score (Multi-Thread) Not Known 8957
Cinebench R20 Score (Multi-Thread) Not Known 4960
Geekbench 5 Score (Single Thread) Not Known 1291
Blender Score (bmw27) Not Known 171.6seconds
Blender Score (Classroom) Not Known 520.7seconds
PassMark Score (Overclocked) Not Known 23827
CPU Performance (Per Watt) Not Known 85.3

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