AMD Epyc 7451 vs AMD Athlon II X4 620e

VS
AMD Epyc 7451
AMD Epyc 7451 Image
AMD Athlon II X4 620e
AMD Athlon II X4 620e Image
AMD Epyc 7451
AMD Athlon II X4 620e
Key Differences Key Differences AMD Epyc 7451 AMD Athlon II X4 620e
Cores 24 4
CPU Threads 48 4
Base Clock Speed 2.3GHz 2.6GHz
Turbo Clock Speed 3.2GHz Not Known
TDP (THERMAL DESIGN POINT) 180W 45W
Has integrated graphics No No
Performance per watt Not Known 106.0
Performance Performance AMD Epyc 7451 AMD Athlon II X4 620e
CPU Speed & Cores 24 x 2.3GHz 4 x 2.6GHz
Number of CPU Threads 48 4
L2 Cache Size 12MB 2MB
L3 Cache Size 64MB Not Known
Turbo Boost Frequency 3.2GHz Not Known
L1 Cache Size 2304KB 512KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/core Not Known
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7451 AMD Athlon II X4 620e
Has AES Support Yes No
Supported SSE Version 4.2 4
Has AVX Support Yes No
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support No No
General info General info AMD Epyc 7451 AMD Athlon II X4 620e
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 180W 45W
PCI Express Version 3 2
Transistor Count 19200 million 1178 million
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7451 AMD Athlon II X4 620e
RAM Memory Speed 2666MHz 1866MHz
Max Memory Bandwidth 341GB/s Not Known
Max Memory Channels 8 2
Supported Memory Size 2000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
Benchmarks Benchmarks AMD Epyc 7451 AMD Athlon II X4 620e
PassMark Score 28957 3086
PassMark Score (Single Thread) 1601 892
PassMark Score (Overclocked) Not Known 3497
CPU Performance (Per Watt) Not Known 106.0

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