AMD Ryzen Threadripper 1900X vs AMD Epyc 7281

VS
AMD Ryzen Threadripper 1900X
AMD Ryzen Threadripper 1900X Image
AMD Epyc 7281
AMD Epyc 7281 Image
AMD Ryzen Threadripper 1900X
AMD Epyc 7281
Key Differences Key Differences AMD Ryzen Threadripper 1900X AMD Epyc 7281
Cores 8 16
CPU Threads 16 32
Base Clock Speed 3.8GHz 2.1GHz
Turbo Clock Speed 4GHz 2.7GHz
TDP (THERMAL DESIGN POINT) 180W 155W
Has integrated graphics No No
Performance per watt 37.5 Not Known
Performance Performance AMD Ryzen Threadripper 1900X AMD Epyc 7281
CPU Speed & Cores 8 x 3.8GHz 16 x 2.1GHz
Number of CPU Threads 16 32
L2 Cache Size 4MB 8MB
L3 Cache Size 16MB 32MB
Turbo Boost Frequency 4GHz 2.7GHz
L1 Cache Size 768KB 1536KB
L2 Core 0.5MB/core 0.5MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 2MB/core
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen Threadripper 1900X 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 Threadripper 1900X AMD Epyc 7281
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 180W 155W
PCI Express Version 3 3
CPU Temperature 68°C Not Known
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen Threadripper 1900X AMD Epyc 7281
RAM Memory Speed 2667MHz 2400MHz
Max Memory Bandwidth 85.3GB/s 307GB/s
Max Memory Channels 4 8
Supported Memory Size 2000GB 2000GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Ryzen Threadripper 1900X AMD Epyc 7281
PassMark Score 17335 12720
PassMark Score (Single Thread) 2374 1429
Geekbench 5 Score (Multi-Thread) 6758 Not Known
Cinebench R20 Score (Multi-Thread) 3678 Not Known
Cinebench R20 Score (Single Thread) 403 Not Known
Geekbench 5 Score (Single Thread) 993 Not Known
Blender Score (bmw27) 230.5seconds Not Known
Blender Score (Classroom) 733.9seconds Not Known
PassMark Score (Overclocked) 18254 Not Known
CPU Performance (Per Watt) 37.5 Not Known

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