AMD Epyc 7451 vs AMD Ryzen 9 3900XT

VS
AMD Epyc 7451
AMD Epyc 7451 Image
AMD Ryzen 9 3900XT
AMD Ryzen 9 3900XT Image
AMD Epyc 7451
AMD Ryzen 9 3900XT
Key Differences Key Differences AMD Epyc 7451 AMD Ryzen 9 3900XT
Cores 24 12
CPU Threads 48 24
Base Clock Speed 2.3GHz 4.1GHz
Turbo Clock Speed 3.2GHz 4.6GHz
TDP (THERMAL DESIGN POINT) 180W 105W
Has integrated graphics No No
Performance per watt Not Known 113.0
Performance Performance AMD Epyc 7451 AMD Ryzen 9 3900XT
CPU Speed & Cores 24 x 2.3GHz 12 x 4.1GHz
Number of CPU Threads 48 24
L2 Cache Size 12MB 6MB
L3 Cache Size 64MB 70MB
Turbo Boost Frequency 3.2GHz 4.6GHz
L1 Cache Size 2304KB 768KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2.67MB/core 5.8MB/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 7451 AMD Ryzen 9 3900XT
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 No
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 7451 AMD Ryzen 9 3900XT
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 7nm
TDP (Thermal Design Point) 180W 105W
PCI Express Version 3 4
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No No
CPU Temperature Not Known 95°C
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory AMD Epyc 7451 AMD Ryzen 9 3900XT
RAM Memory Speed 2666MHz 3200MHz
Max Memory Bandwidth 341GB/s 47.68GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB 128GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version Not Known 4
Benchmarks Benchmarks AMD Epyc 7451 AMD Ryzen 9 3900XT
PassMark Score 28957 33013
PassMark Score (Single Thread) 1601 2803
Geekbench 5 Score (Multi-Thread) Not Known 12212
Cinebench R20 Score (Multi-Thread) Not Known 7244
Cinebench R20 Score (Single Thread) Not Known 539
Geekbench 5 Score (Single Thread) Not Known 1327
Blender Score (bmw27) Not Known 116.4seconds
Blender Score (Classroom) Not Known 353.3seconds
PassMark Score (Overclocked) Not Known 33570
CPU Performance (Per Watt) Not Known 113.0
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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