AMD Epyc 7401 vs AMD FX-8320

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AMD Epyc 7401
AMD Epyc 7401 Image
AMD FX-8320
AMD FX-8320 Image
AMD Epyc 7401
AMD FX-8320
Key Differences Key Differences AMD Epyc 7401 AMD FX-8320
Cores 24 8
CPU Threads 48 8
Base Clock Speed 2GHz 3.5GHz
Turbo Clock Speed 3GHz 4GHz
TDP (THERMAL DESIGN POINT) 155W 125W
Has integrated graphics No No
Performance per watt Not Known 75.0
Performance Performance AMD Epyc 7401 AMD FX-8320
CPU Speed & Cores 24 x 2GHz 8 x 3.5GHz
Number of CPU Threads 48 8
L2 Cache Size 12MB 8MB
L3 Cache Size 64MB 8MB
Turbo Boost Frequency 3GHz 4GHz
L1 Cache Size 1536KB 384KB
L2 Core 0.5MB/core 1MB/core
L3 Core 2.67MB/core 1MB/core
Does it have an unlocked multiplier No Yes
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 FX-8320
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 FX-8320
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 155W 125W
PCI Express Version 3 2
Transistor Count 19200 million 1200 million
Does it have Integrated Graphics No No
CPU Temperature Not Known 61.1°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7401 AMD FX-8320
RAM Memory Speed 2666MHz 1866MHz
Max Memory Bandwidth 307GB/s 21GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
Bus Bandwidth Not Known 5.4GT/s
Benchmarks Benchmarks AMD Epyc 7401 AMD FX-8320
PassMark Score 23518 8199
PassMark Score (Single Thread) 1600 1403
PassMark Score (Overclocked) Not Known 9371
CPU Performance (Per Watt) Not Known 75.0
Power Consumption Under High Load Not Known 185.4W
Standard Power Consumption Not Known 73.2W

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