AMD Epyc 7401 vs AMD Opteron 6128

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AMD Epyc 7401
AMD Epyc 7401 Image
AMD Opteron 6128
AMD Opteron 6128 Image
AMD Epyc 7401
AMD Opteron 6128
Key Differences Key Differences AMD Epyc 7401 AMD Opteron 6128
Cores 24 8
CPU Threads 48 8
Base Clock Speed 2GHz 2GHz
Turbo Clock Speed 3GHz Not Known
TDP (THERMAL DESIGN POINT) 155W 115W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7401 AMD Opteron 6128
CPU Speed & Cores 24 x 2GHz 8 x 2GHz
Number of CPU Threads 48 8
L2 Cache Size 12MB 4MB
L3 Cache Size 64MB 12MB
Turbo Boost Frequency 3GHz Not Known
L1 Cache Size 1536KB 1024KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/core 1.5MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7401 AMD Opteron 6128
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 Yes
Has Multithreading Tech Support No No
General info General info AMD Epyc 7401 AMD Opteron 6128
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm Not Known
TDP (Thermal Design Point) 155W 115W
PCI Express Version 3 Not Known
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No No
CPU Temperature Not Known 70°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7401 AMD Opteron 6128
RAM Memory Speed 2666MHz 1333MHz
Max Memory Bandwidth 307GB/s Not Known
Max Memory Channels 8 Not Known
Supported Memory Size 2000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes Yes
Bus Frequency Not Known 3.2GHz
Benchmarks Benchmarks AMD Epyc 7401 AMD Opteron 6128
PassMark Score 23518 5210
PassMark Score (Single Thread) 1600 Not Known

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