AMD Epyc 7401 vs AMD Athlon X4 940

VS
AMD Epyc 7401
AMD Epyc 7401 Image
AMD Athlon X4 940
AMD Athlon X4 940 Image
AMD Epyc 7401
AMD Athlon X4 940
Key Differences Key Differences AMD Epyc 7401 AMD Athlon X4 940
Cores 24 4
CPU Threads 48 4
Base Clock Speed 2GHz 3.2GHz
Turbo Clock Speed 3GHz 3.6GHz
TDP (THERMAL DESIGN POINT) 155W 65W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7401 AMD Athlon X4 940
CPU Speed & Cores 24 x 2GHz 4 x 3.2GHz
Number of CPU Threads 48 4
L2 Cache Size 12MB 2MB
L3 Cache Size 64MB Not Known
Turbo Boost Frequency 3GHz 3.6GHz
L1 Cache Size 1536KB 320KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/core Not Known
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7401 AMD Athlon X4 940
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 No
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No Yes
Has Multithreading Tech Support No No
General info General info AMD Epyc 7401 AMD Athlon X4 940
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 28nm
TDP (Thermal Design Point) 155W 65W
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 Athlon X4 940
RAM Memory Speed 2666MHz 2400MHz
Max Memory Bandwidth 307GB/s 38.4GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
Benchmarks Benchmarks AMD Epyc 7401 AMD Athlon X4 940
PassMark Score 23518 Not Known
PassMark Score (Single Thread) 1600 Not Known

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