AMD Ryzen 9 3900 vs AMD Ryzen 9 5900X

VS
AMD Ryzen 9 3900
AMD Ryzen 9 3900 Image
AMD Ryzen 9 5900X
AMD Ryzen 9 5900X Image
AMD Ryzen 9 3900
AMD Ryzen 9 5900X
Key Differences Key Differences AMD Ryzen 9 3900 AMD Ryzen 9 5900X
Cores 12 12
CPU Threads 24 24
Base Clock Speed 3.1GHz 3.7GHz
Turbo Clock Speed 4.3GHz 4.8GHz
TDP (THERMAL DESIGN POINT) 65W 105W
Has integrated graphics No No
Performance per watt 163.0 132.4
Performance Performance AMD Ryzen 9 3900 AMD Ryzen 9 5900X
CPU Speed & Cores 12 x 3.1GHz 12 x 3.7GHz
Number of CPU Threads 24 24
L2 Cache Size 6MB 6MB
L3 Cache Size 64MB 64MB
Turbo Boost Frequency 4.3GHz 4.8GHz
L1 Cache Size 768KB 768KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 5.33MB/core 5.33MB/core
Does it have an unlocked multiplier Yes Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen 9 3900 AMD Ryzen 9 5900X
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 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
General info General info AMD Ryzen 9 3900 AMD Ryzen 9 5900X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 7nm
TDP (Thermal Design Point) 65W 105W
PCI Express Version 4 4
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 3900 AMD Ryzen 9 5900X
RAM Memory Speed 3200MHz 3200MHz
Max Memory Bandwidth 47.68GB/s 47.68GB/s
Max Memory Channels 2 2
Supported Memory Size 128GB 128GB
DDR Type Memory Version 4 4
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks AMD Ryzen 9 3900 AMD Ryzen 9 5900X
PassMark Score 30887 39634
PassMark Score (Single Thread) 2649 3520
Blender Score (bmw27) 132.5seconds Not Known
Blender Score (Classroom) 446.6seconds Not Known
Geekbench 5 Score (Multi-Thread) 10598 13898
Cinebench R20 Score (Multi-Thread) Not Known 8468
Cinebench R20 Score (Single Thread) Not Known 637
Geekbench 5 Score (Single Thread) 1190 1564
PassMark Score (Overclocked) 31671 Not Known
CPU Performance (Per Watt) 163.0 132.4

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