AMD Epyc 7551P vs AMD Epyc 7281

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AMD Epyc 7551P
AMD Epyc 7551P Image
AMD Epyc 7281
AMD Epyc 7281 Image
AMD Epyc 7551P
AMD Epyc 7281
Key Differences Key Differences AMD Epyc 7551P AMD Epyc 7281
Cores 32 16
CPU Threads 64 32
Base Clock Speed 2GHz 2.1GHz
Turbo Clock Speed 3GHz 2.7GHz
TDP (THERMAL DESIGN POINT) 180W 155W
Has integrated graphics No No
Performance per watt 36.9 Not Known
Performance Performance AMD Epyc 7551P AMD Epyc 7281
CPU Speed & Cores 32 x 2GHz 16 x 2.1GHz
Number of CPU Threads 64 32
L2 Cache Size 16MB 8MB
L3 Cache Size 64MB 32MB
Turbo Boost Frequency 3GHz 2.7GHz
L1 Cache Size 3072KB 1536KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2MB/core 2MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7551P AMD Epyc 7281
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 NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
Has Multithreading Tech Support No No
General info General info AMD Epyc 7551P AMD Epyc 7281
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 180W 155W
PCI Express Version 3 3
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7551P AMD Epyc 7281
RAM Memory Speed 2666MHz 2400MHz
Max Memory Bandwidth 158.95GB/s 307GB/s
Max Memory Channels 8 8
Supported Memory Size 2000GB 2000GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Epyc 7551P AMD Epyc 7281
PassMark Score 23581 12720
PassMark Score (Single Thread) 1533 1429
Geekbench 5 Score (Multi-Thread) 6648 Not Known
Geekbench 5 Score (Single Thread) 609 Not Known
CPU Performance (Per Watt) 36.9 Not Known

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