AMD Epyc 7401 vs AMD Epyc 7551P

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AMD Epyc 7401
AMD Epyc 7401 Image
AMD Epyc 7551P
AMD Epyc 7551P Image
AMD Epyc 7401
AMD Epyc 7551P
Key Differences Key Differences AMD Epyc 7401 AMD Epyc 7551P
Cores 24 32
CPU Threads 48 64
Base Clock Speed 2GHz 2GHz
Turbo Clock Speed 3GHz 3GHz
TDP (THERMAL DESIGN POINT) 155W 180W
Has integrated graphics No No
Performance per watt Not Known 36.9
Performance Performance AMD Epyc 7401 AMD Epyc 7551P
CPU Speed & Cores 24 x 2GHz 32 x 2GHz
Number of CPU Threads 48 64
L2 Cache Size 12MB 16MB
L3 Cache Size 64MB 64MB
Turbo Boost Frequency 3GHz 3GHz
L1 Cache Size 1536KB 3072KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/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 7401 AMD Epyc 7551P
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 No
General info General info AMD Epyc 7401 AMD Epyc 7551P
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 155W 180W
PCI Express Version 3 3
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7401 AMD Epyc 7551P
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 307GB/s 158.95GB/s
Max Memory Channels 8 8
Supported Memory Size 2000GB 2000GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version Not Known 4
Benchmarks Benchmarks AMD Epyc 7401 AMD Epyc 7551P
PassMark Score 23518 23581
PassMark Score (Single Thread) 1600 1533
Geekbench 5 Score (Multi-Thread) Not Known 6648
Geekbench 5 Score (Single Thread) Not Known 609
CPU Performance (Per Watt) Not Known 36.9

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