AMD Ryzen 9 3900 vs AMD Epyc 7401P

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AMD Ryzen 9 3900
AMD Ryzen 9 3900 Image
AMD Epyc 7401P
AMD Epyc 7401P Image
AMD Ryzen 9 3900
AMD Epyc 7401P
Key Differences Key Differences AMD Ryzen 9 3900 AMD Epyc 7401P
Cores 12 24
CPU Threads 24 48
Base Clock Speed 3.1GHz 2GHz
Turbo Clock Speed 4.3GHz 3GHz
TDP (THERMAL DESIGN POINT) 65W 155W
Has integrated graphics No No
Performance per watt 163.0 47.0
Performance Performance AMD Ryzen 9 3900 AMD Epyc 7401P
CPU Speed & Cores 12 x 3.1GHz 24 x 2GHz
Number of CPU Threads 24 48
L2 Cache Size 6MB 12MB
L3 Cache Size 64MB 64MB
Turbo Boost Frequency 4.3GHz 3GHz
L1 Cache Size 768KB 2304KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 5.33MB/core 2.67MB/core
Does it have an unlocked multiplier Yes No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen 9 3900 AMD Epyc 7401P
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 FMA4 Instructions Support No No
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
General info General info AMD Ryzen 9 3900 AMD Epyc 7401P
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 14nm
TDP (Thermal Design Point) 65W 155W
PCI Express Version 4 3
CPU Temperature 95°C Not Known
Does it have Integrated Graphics No No
Transistor Count Not Known 19200 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 9 3900 AMD Epyc 7401P
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 47.68GB/s 307GB/s
Max Memory Channels 2 8
Supported Memory Size 128GB 2000GB
DDR Type Memory Version 4 4
ECC (Error-Correcting Code) Memory Support No Yes
Benchmarks Benchmarks AMD Ryzen 9 3900 AMD Epyc 7401P
PassMark Score 30887 23813
PassMark Score (Single Thread) 2649 1704
Blender Score (bmw27) 132.5seconds Not Known
Blender Score (Classroom) 446.6seconds Not Known
Geekbench 5 Score (Multi-Thread) 10598 7285
Geekbench 5 Score (Single Thread) 1190 699
PassMark Score (Overclocked) 31671 Not Known
CPU Performance (Per Watt) 163.0 47.0

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