AMD Ryzen 9 5950X vs AMD Epyc 7251

AMD Ryzen 9 5950X
AMD Ryzen 9 5950X Image
AMD Epyc 7251
AMD Epyc 7251 Image
AMD Ryzen 9 5950X
AMD Epyc 7251
Key Differences Key Differences AMD Ryzen 9 5950X AMD Epyc 7251
Cores 16 8
CPU Threads 32 16
Base Clock Speed 3.4GHz 2.1GHz
Turbo Clock Speed 4.9GHz 2.9GHz
Has integrated graphics No No
Performance per watt 154.7 Not Known
Performance Performance AMD Ryzen 9 5950X AMD Epyc 7251
CPU Speed & Cores 16 x 3.4GHz 8 x 2.1GHz
Number of CPU Threads 32 16
L2 Cache Size 8MB 4MB
L3 Cache Size 64MB 32MB
Turbo Boost Frequency 4.9GHz 2.9GHz
L1 Cache Size 1024KB 768KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 4MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 21
Features Features AMD Ryzen 9 5950X AMD Epyc 7251
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
General info General info AMD Ryzen 9 5950X AMD Epyc 7251
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 14nm
TDP (Thermal Design Point) 105W 120W
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
Memory Memory AMD Ryzen 9 5950X AMD Epyc 7251
RAM Memory Speed 3200MHz 2400MHz
Max Memory Bandwidth 47.68GB/s 307GB/s
Max Memory Channels 2 8
Supported Memory Size 128GB 2000GB
ECC (Error-Correcting Code) Memory Support No Yes
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Ryzen 9 5950X AMD Epyc 7251
PassMark Score 46434 10771
PassMark Score (Single Thread) 3528 1523
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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