AMD Epyc 7451 vs AMD Ryzen 7 5800X

AMD Epyc 7451
AMD Epyc 7451 Image
AMD Ryzen 7 5800X
AMD Ryzen 7 5800X Image
AMD Epyc 7451
AMD Ryzen 7 5800X
Key Differences Key Differences AMD Epyc 7451 AMD Ryzen 7 5800X
Cores 24 8
CPU Threads 48 16
Base Clock Speed 2.3GHz 3.8GHz
Turbo Clock Speed 3.2GHz 4.7GHz
Has integrated graphics No No
Performance per watt Not Known 98.4
Performance Performance AMD Epyc 7451 AMD Ryzen 7 5800X
CPU Speed & Cores 24 x 2.3GHz 8 x 3.8GHz
Number of CPU Threads 48 16
L2 Cache Size 12MB 4MB
L3 Cache Size 64MB 32MB
Turbo Boost Frequency 3.2GHz 4.7GHz
L1 Cache Size 2304KB 512KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/core 4MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
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Features Features AMD Epyc 7451 AMD Ryzen 7 5800X
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 NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support No Yes
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General info General info AMD Epyc 7451 AMD Ryzen 7 5800X
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 7nm
TDP (Thermal Design Point) 180W 105W
PCI Express Version 3 4
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No No
CPU Temperature Not Known 90°C
Supports Power Optimized L2 Cache No No
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Memory Memory AMD Epyc 7451 AMD Ryzen 7 5800X
RAM Memory Speed 2666MHz 3200MHz
Max Memory Bandwidth 341GB/s 47.68GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB 128GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version Not Known 4
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Benchmarks Benchmarks AMD Epyc 7451 AMD Ryzen 7 5800X
PassMark Score 28957 28752
PassMark Score (Single Thread) 1601 3513
Geekbench 5 Score (Multi-Thread) Not Known 10330
Cinebench R20 Score (Multi-Thread) Not Known 5724
Cinebench R20 Score (Single Thread) Not Known 628
Geekbench 5 Score (Single Thread) Not Known 1658
CPU Performance (Per Watt) Not Known 98.4
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