AMD Epyc 7551 vs AMD Ryzen Threadripper 1900X

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AMD Epyc 7551
AMD Epyc 7551 Image
AMD Ryzen Threadripper 1900X
AMD Ryzen Threadripper 1900X Image
AMD Epyc 7551
AMD Ryzen Threadripper 1900X
Key Differences Key Differences AMD Epyc 7551 AMD Ryzen Threadripper 1900X
Cores 32 8
CPU Threads 64 16
Base Clock Speed 2GHz 3.8GHz
Turbo Clock Speed 3GHz 4GHz
TDP (THERMAL DESIGN POINT) 180W 180W
Has integrated graphics No No
Performance per watt Not Known 37.5
Performance Performance AMD Epyc 7551 AMD Ryzen Threadripper 1900X
CPU Speed & Cores 32 x 2GHz 8 x 3.8GHz
Number of CPU Threads 64 16
L2 Cache Size 16MB 4MB
L3 Cache Size 64MB 16MB
Turbo Boost Frequency 3GHz 4GHz
L1 Cache Size 3072KB 768KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2MB/core 2MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7551 AMD Ryzen Threadripper 1900X
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 7551 AMD Ryzen Threadripper 1900X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 180W 180W
PCI Express Version 3 3
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No No
CPU Temperature Not Known 68°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7551 AMD Ryzen Threadripper 1900X
RAM Memory Speed 2666MHz 2667MHz
Max Memory Bandwidth 341GB/s 85.3GB/s
Max Memory Channels 8 4
Supported Memory Size 2000GB 2000GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 4
Benchmarks Benchmarks AMD Epyc 7551 AMD Ryzen Threadripper 1900X
PassMark Score 19606 17335
PassMark Score (Single Thread) 1660 2374
Geekbench 5 Score (Multi-Thread) Not Known 6758
Cinebench R20 Score (Multi-Thread) Not Known 3678
Cinebench R20 Score (Single Thread) Not Known 403
Geekbench 5 Score (Single Thread) Not Known 993
Blender Score (bmw27) Not Known 230.5seconds
Blender Score (Classroom) Not Known 733.9seconds
PassMark Score (Overclocked) Not Known 18254
CPU Performance (Per Watt) Not Known 37.5

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