AMD Ryzen 9 Pro 3900 vs AMD Athlon II X4 638

VS
AMD Ryzen 9 Pro 3900
AMD Ryzen 9 Pro 3900 Image
AMD Athlon II X4 638
AMD Athlon II X4 638 Image
AMD Ryzen 9 Pro 3900
AMD Athlon II X4 638
Key Differences Key Differences AMD Ryzen 9 Pro 3900 AMD Athlon II X4 638
Cores 12 4
CPU Threads 24 4
Base Clock Speed 3.1GHz 2.7GHz
Turbo Clock Speed 4.3GHz Not Known
TDP (THERMAL DESIGN POINT) 65W 65W
Has integrated graphics No No
Performance per watt Not Known 55.0
Performance Performance AMD Ryzen 9 Pro 3900 AMD Athlon II X4 638
CPU Speed & Cores 12 x 3.1GHz 4 x 2.7GHz
Number of CPU Threads 24 4
L2 Cache Size 6MB 4MB
L3 Cache Size 64MB Not Known
Turbo Boost Frequency 4.3GHz Not Known
L1 Cache Size 768KB 512KB
L2 Core 0.5MB/core 1MB/core
Does it have an unlocked multiplier No 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 Pro 3900 AMD Athlon II X4 638
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 NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
General info General info AMD Ryzen 9 Pro 3900 AMD Athlon II X4 638
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 32nm
TDP (Thermal Design Point) 65W 65W
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 Pro 3900 AMD Athlon II X4 638
RAM Memory Speed 3200MHz 1866MHz
Max Memory Bandwidth 47.68GB/s Not Known
Max Memory Channels 2 2
Supported Memory Size 128GB Not Known
DDR Type Memory Version 4 Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks AMD Ryzen 9 Pro 3900 AMD Athlon II X4 638
PassMark Score 31800 Not Known
PassMark Score (Single Thread) 2637 Not Known
CPU Performance (Per Watt) Not Known 55.0

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