AMD Epyc 7401 vs AMD Athlon X4 845

VS
AMD Epyc 7401
AMD Epyc 7401 Image
AMD Athlon X4 845
AMD Athlon X4 845 Image
AMD Epyc 7401
AMD Athlon X4 845
Key Differences Key Differences AMD Epyc 7401 AMD Athlon X4 845
Cores 24 4
CPU Threads 48 4
Base Clock Speed 2GHz 3.5GHz
Turbo Clock Speed 3GHz 3.8GHz
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 845
CPU Speed & Cores 24 x 2GHz 4 x 3.5GHz
Number of CPU Threads 48 4
L2 Cache Size 12MB 2MB
L3 Cache Size 64MB Not Known
Turbo Boost Frequency 3GHz 3.8GHz
L1 Cache Size 1536KB 192KB
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
Turbo Core Tech Version Not Known 3
Features Features AMD Epyc 7401 AMD Athlon X4 845
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 Yes
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 845
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
CPU Temperature Not Known 71.3°C
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory AMD Epyc 7401 AMD Athlon X4 845
RAM Memory Speed 2666MHz 2133MHz
Max Memory Bandwidth 307GB/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 7401 AMD Athlon X4 845
PassMark Score 23518 Not Known
PassMark Score (Single Thread) 1600 Not Known
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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