AMD Ryzen 9 5950X vs AMD Epyc 7551

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AMD Ryzen 9 5950X
AMD Ryzen 9 5950X Image
AMD Epyc 7551
AMD Epyc 7551 Image
AMD Ryzen 9 5950X
AMD Epyc 7551
Key Differences Key Differences AMD Ryzen 9 5950X AMD Epyc 7551
Cores 16 32
CPU Threads 32 64
Base Clock Speed 3.4GHz 2GHz
Turbo Clock Speed 4.9GHz 3GHz
TDP (THERMAL DESIGN POINT) 105W 180W
Has integrated graphics No No
Performance per watt 154.7 Not Known
Performance Performance AMD Ryzen 9 5950X AMD Epyc 7551
CPU Speed & Cores 16 x 3.4GHz 32 x 2GHz
Number of CPU Threads 32 64
L2 Cache Size 8MB 16MB
L3 Cache Size 64MB 64MB
Turbo Boost Frequency 4.9GHz 3GHz
L1 Cache Size 1024KB 3072KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 2MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
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Features Features AMD Ryzen 9 5950X AMD Epyc 7551
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 No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
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General info General info AMD Ryzen 9 5950X AMD Epyc 7551
Has 64-bit Support Yes Yes
Semiconductor Size 7nm 14nm
TDP (Thermal Design Point) 105W 180W
PCI Express Version 4 3
Does it have Integrated Graphics No No
Transistor Count Not Known 19200 million
Supports Power Optimized L2 Cache No No
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Memory Memory AMD Ryzen 9 5950X AMD Epyc 7551
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 47.68GB/s 341GB/s
Max Memory Channels 2 8
Supported Memory Size 128GB 2000GB
ECC (Error-Correcting Code) Memory Support No Yes
DDR Type Memory Version 4 4
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Benchmarks Benchmarks AMD Ryzen 9 5950X AMD Epyc 7551
PassMark Score 46434 19606
PassMark Score (Single Thread) 3528 1660
Geekbench 5 Score (Multi-Thread) 16241 Not Known
Cinebench R20 Score (Multi-Thread) 10428 Not Known
Cinebench R20 Score (Single Thread) 647 Not Known
Geekbench 5 Score (Single Thread) 1652 Not Known
CPU Performance (Per Watt) 154.7 Not Known
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