AMD Ryzen Threadripper 3990X vs AMD Epyc 7401P

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AMD Ryzen Threadripper 3990X
AMD Ryzen Threadripper 3990X Image
AMD Epyc 7401P
AMD Epyc 7401P Image
AMD Ryzen Threadripper 3990X
AMD Epyc 7401P
Key Differences Key Differences AMD Ryzen Threadripper 3990X AMD Epyc 7401P
Cores 64 24
CPU Threads 128 48
Base Clock Speed 2.9GHz 2GHz
Turbo Clock Speed 4.3GHz 3GHz
TDP (THERMAL DESIGN POINT) 280W 155W
Has integrated graphics No No
Performance per watt 88.9 47.0
Performance Performance AMD Ryzen Threadripper 3990X AMD Epyc 7401P
CPU Speed & Cores 64 x 2.9GHz 24 x 2GHz
Number of CPU Threads 128 48
L2 Cache Size 32MB 12MB
L3 Cache Size 256MB 64MB
Turbo Boost Frequency 4.3GHz 3GHz
L1 Cache Size 4000KB 2304KB
L2 Core 0.5MB/core 0.5MB/core
Does it have an unlocked multiplier Yes No
L3 Core 4MB/core 2.67MB/core
Clock Multiplier 29 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen Threadripper 3990X 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 Threadripper 3990X AMD Epyc 7401P
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 14nm
TDP (Thermal Design Point) 280W 155W
PCI Express Version 4 3
CPU Temperature 68°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 Threadripper 3990X AMD Epyc 7401P
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 95.37GB/s 307GB/s
Max Memory Channels 4 8
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 4
Supported Memory Size Not Known 2000GB
Benchmarks Benchmarks AMD Ryzen Threadripper 3990X AMD Epyc 7401P
PassMark Score 80633 23813
PassMark Score (Single Thread) 2551 1704
Geekbench 5 Score (Multi-Thread) 24898 7285
Cinebench R20 Score (Single Thread) 495 Not Known
Cinebench R20 Score (Multi-Thread) 24763 Not Known
Geekbench 5 Score (Single Thread) 1207 699
Blender Score (Classroom) 88.6seconds Not Known
Blender Score (bmw27) 30seconds Not Known
CPU Performance (Per Watt) 88.9 47.0

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