AMD Ryzen 9 3900X vs AMD Athlon II X4 651

VS
AMD Ryzen 9 3900X
AMD Ryzen 9 3900X Image
AMD Athlon II X4 651
AMD Athlon II X4 651 Image
AMD Ryzen 9 3900X
AMD Athlon II X4 651
Key Differences Key Differences AMD Ryzen 9 3900X AMD Athlon II X4 651
Cores 12 4
CPU Threads 24 4
Base Clock Speed 3.8GHz 3GHz
Turbo Clock Speed 4.6GHz Not Known
TDP (THERMAL DESIGN POINT) 105W 100W
Has integrated graphics No No
Performance per watt 113.0 52.0
Performance Performance AMD Ryzen 9 3900X AMD Athlon II X4 651
CPU Speed & Cores 12 x 3.8GHz 4 x 3GHz
Number of CPU Threads 24 4
L2 Cache Size 6MB 4MB
L3 Cache Size 64MB Not Known
Turbo Boost Frequency 4.6GHz Not Known
L1 Cache Size 768KB 512KB
L2 Core 0.5MB/core 1MB/core
Does it have an unlocked multiplier Yes No
L3 Core 5.33MB/core Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen 9 3900X AMD Athlon II X4 651
Has AES Support Yes No
Supported SSE Version 4.2 4
Has AVX Support Yes No
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes No
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Has NX Processor Bit Support No Yes
General info General info AMD Ryzen 9 3900X AMD Athlon II X4 651
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 32nm
TDP (Thermal Design Point) 105W 100W
PCI Express Version 4 2
CPU Temperature 95°C Not Known
Does it have Integrated Graphics No No
Transistor Count Not Known 1178 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 9 3900X AMD Athlon II X4 651
RAM Memory Speed 3200MHz 1866MHz
Max Memory Bandwidth 47.68GB/s Not Known
Max Memory Channels 2 2
Supported Memory Size 128GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Ryzen 9 3900X AMD Athlon II X4 651
PassMark Score 32866 3638
PassMark Score (Single Thread) 2732 1028
Geekbench 5 Score (Multi-Thread) 11864 Not Known
Cinebench R20 Score (Single Thread) 521 Not Known
Cinebench R20 Score (Multi-Thread) 7178 Not Known
Geekbench 5 Score (Single Thread) 1282 Not Known
Blender Score (Classroom) 353.3seconds Not Known
Blender Score (bmw27) 116.4seconds Not Known
PassMark Score (Overclocked) 33293 4107
CPU Performance (Per Watt) 113.0 52.0

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