AMD Epyc 7401 vs AMD Epyc 7251

VS
AMD Epyc 7401
AMD Epyc 7401 Image
AMD Epyc 7251
AMD Epyc 7251 Image
AMD Epyc 7401
AMD Epyc 7251
Key Differences Key Differences AMD Epyc 7401 AMD Epyc 7251
Cores 24 8
CPU Threads 48 16
Base Clock Speed 2GHz 2.1GHz
Turbo Clock Speed 3GHz 2.9GHz
TDP (THERMAL DESIGN POINT) 155W 120W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7401 AMD Epyc 7251
CPU Speed & Cores 24 x 2GHz 8 x 2.1GHz
Number of CPU Threads 48 16
L2 Cache Size 12MB 4MB
L3 Cache Size 64MB 32MB
Turbo Boost Frequency 3GHz 2.9GHz
L1 Cache Size 1536KB 768KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/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 Epyc 7401 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 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 7251
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 155W 120W
PCI Express Version 3 3
Transistor Count 19200 million 19200 million
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7401 AMD Epyc 7251
RAM Memory Speed 2666MHz 2400MHz
Max Memory Bandwidth 307GB/s 307GB/s
Max Memory Channels 8 8
Supported Memory Size 2000GB 2000GB
ECC (Error-Correcting Code) Memory Support Yes Yes
Benchmarks Benchmarks AMD Epyc 7401 AMD Epyc 7251
PassMark Score 23518 10771
PassMark Score (Single Thread) 1600 1523

Similar Comparisons