AMD Ryzen 9 Pro 3900 vs AMD Epyc 7281

VS
AMD Ryzen 9 Pro 3900
AMD Ryzen 9 Pro 3900 Image
AMD Epyc 7281
AMD Epyc 7281 Image
AMD Ryzen 9 Pro 3900
AMD Epyc 7281
Key Differences Key Differences AMD Ryzen 9 Pro 3900 AMD Epyc 7281
Cores 12 16
CPU Threads 24 32
Base Clock Speed 3.1GHz 2.1GHz
Turbo Clock Speed 4.3GHz 2.7GHz
TDP (THERMAL DESIGN POINT) 65W 155W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Ryzen 9 Pro 3900 AMD Epyc 7281
CPU Speed & Cores 12 x 3.1GHz 16 x 2.1GHz
Number of CPU Threads 24 32
L2 Cache Size 6MB 8MB
L3 Cache Size 64MB 32MB
Turbo Boost Frequency 4.3GHz 2.7GHz
L1 Cache Size 768KB 1536KB
L2 Core 0.5MB/core 0.5MB/core
Does it have an unlocked multiplier No No
L3 Core 5.33MB/core 2MB/core
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen 9 Pro 3900 AMD Epyc 7281
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 Pro 3900 AMD Epyc 7281
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
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 9 Pro 3900 AMD Epyc 7281
RAM Memory Speed 3200MHz 2400MHz
Max Memory Bandwidth 47.68GB/s 307GB/s
Max Memory Channels 2 8
Supported Memory Size 128GB 2000GB
DDR Type Memory Version 4 Not Known
ECC (Error-Correcting Code) Memory Support No Yes
Benchmarks Benchmarks AMD Ryzen 9 Pro 3900 AMD Epyc 7281
PassMark Score 31800 12720
PassMark Score (Single Thread) 2637 1429

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