AMD Epyc 7401 vs AMD Ryzen V1807B

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AMD Epyc 7401
AMD Epyc 7401 Image
AMD Ryzen V1807B
AMD Ryzen V1807B Image
AMD Epyc 7401
AMD Ryzen V1807B
Key Differences Key Differences AMD Epyc 7401 AMD Ryzen V1807B
Cores 24 4
CPU Threads 48 8
Base Clock Speed 2GHz 3.35GHz
Turbo Clock Speed 3GHz 3.8GHz
TDP (THERMAL DESIGN POINT) 155W 54W
Has integrated graphics No Yes
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7401 AMD Ryzen V1807B
CPU Speed & Cores 24 x 2GHz 4 x 3.35GHz
Number of CPU Threads 48 8
L2 Cache Size 12MB 2MB
L3 Cache Size 64MB 4MB
Turbo Boost Frequency 3GHz 3.8GHz
L1 Cache Size 1536KB 384KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/core 1MB/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 Ryzen V1807B
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 No
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support No Yes
General info General info AMD Epyc 7401 AMD Ryzen V1807B
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 155W 54W
PCI Express Version 3 3
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No Yes
CPU Temperature Not Known 90°C
DirectX Version Info Not Known 12
OpenGL Driver Version Not Known 4.5
OpenGL Driver Version Not Known 2
No. of Supported Displays Not Known 4
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7401 AMD Ryzen V1807B
RAM Memory Speed 2666MHz 3200MHz
Max Memory Bandwidth 307GB/s 47.68GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB 32GB
ECC (Error-Correcting Code) Memory Support Yes No
Benchmarks Benchmarks AMD Epyc 7401 AMD Ryzen V1807B
PassMark Score 23518 8528
PassMark Score (Single Thread) 1600 1806

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