AMD Epyc 7662 vs AMD Ryzen 9 3950X

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AMD Epyc 7662
AMD Epyc 7662 Image
AMD Ryzen 9 3950X
AMD Ryzen 9 3950X Image
AMD Epyc 7662
AMD Ryzen 9 3950X
Key Differences Key Differences AMD Epyc 7662 AMD Ryzen 9 3950X
Cores 64 16
CPU Threads 128 32
Base Clock Speed 2GHz 3.5GHz
Turbo Clock Speed 3.3GHz 4.7GHz
TDP (THERMAL DESIGN POINT) 225W 105W
Has integrated graphics No No
Performance per watt Not Known 135.0
Performance Performance AMD Epyc 7662 AMD Ryzen 9 3950X
CPU Speed & Cores 64 x 2GHz 16 x 3.5GHz
Number of CPU Threads 128 32
L2 Cache Size 32MB 8.1MB
L3 Cache Size 256MB 72MB
Turbo Boost Frequency 3.3GHz 4.7GHz
L1 Cache Size 4096KB 1536KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 4.5MB/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 7662 AMD Ryzen 9 3950X
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 No
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7662 AMD Ryzen 9 3950X
Has 64-bit Support No Data Found No Data Found
TDP (Thermal Design Point) 225W 105W
PCI Express Version 4 4
Does it have Integrated Graphics No No
Semiconductor Size Not Known 7nm
CPU Temperature Not Known 95°C
Transistor Count Not Known 19200 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7662 AMD Ryzen 9 3950X
RAM Memory Speed 3200MHz Not Known
Max Memory Bandwidth 204.8GB/s Not Known
Max Memory Channels 8 2
Supported Memory Size 4000GB Not Known
DDR Type Memory Version 4 4
ECC (Error-Correcting Code) Memory Support No Yes
Benchmarks Benchmarks AMD Epyc 7662 AMD Ryzen 9 3950X
Cinebench R20 Score (Multi-Thread) 18203 9148
Cinebench R20 Score (Single Thread) 386 531
PassMark Score Not Known 39265
PassMark Score (Single Thread) Not Known 2746
Geekbench 5 Score (Multi-Thread) Not Known 14174
Geekbench 5 Score (Single Thread) Not Known 1297
Blender Score (bmw27) Not Known 90.8seconds
Blender Score (Classroom) Not Known 270.7seconds
CPU Performance (Per Watt) Not Known 135.0

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