AMD Ryzen 7 5800X vs AMD Epyc 7251

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AMD Ryzen 7 5800X
AMD Ryzen 7 5800X Image
AMD Epyc 7251
AMD Epyc 7251 Image
AMD Ryzen 7 5800X
AMD Epyc 7251
Key Differences Key Differences AMD Ryzen 7 5800X AMD Epyc 7251
Cores 8 8
CPU Threads 16 16
Base Clock Speed 3.8GHz 2.1GHz
Turbo Clock Speed 4.7GHz 2.9GHz
TDP (THERMAL DESIGN POINT) 105W 120W
Has integrated graphics No No
Performance per watt 98.4 Not Known
Performance Performance AMD Ryzen 7 5800X AMD Epyc 7251
CPU Speed & Cores 8 x 3.8GHz 8 x 2.1GHz
Number of CPU Threads 16 16
L2 Cache Size 4MB 4MB
L3 Cache Size 32MB 32MB
Turbo Boost Frequency 4.7GHz 2.9GHz
L1 Cache Size 512KB 768KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 4MB/core
Does it have an unlocked multiplier Yes No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 21
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Features Features AMD Ryzen 7 5800X 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
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General info General info AMD Ryzen 7 5800X AMD Epyc 7251
Has 64-bit Support Yes Yes
Semiconductor Size 7nm 14nm
TDP (Thermal Design Point) 105W 120W
PCI Express Version 4 3
Does it have Integrated Graphics No No
CPU Temperature 90°C Not Known
Transistor Count Not Known 19200 million
Supports Power Optimized L2 Cache No No
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Memory Memory AMD Ryzen 7 5800X 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
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Benchmarks Benchmarks AMD Ryzen 7 5800X AMD Epyc 7251
PassMark Score 28752 10771
PassMark Score (Single Thread) 3513 1523
Geekbench 5 Score (Multi-Thread) 10330 Not Known
Cinebench R20 Score (Multi-Thread) 5724 Not Known
Cinebench R20 Score (Single Thread) 628 Not Known
Geekbench 5 Score (Single Thread) 1658 Not Known
CPU Performance (Per Watt) 98.4 Not Known
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