AMD Ryzen 9 3900 vs AMD FX-8320

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AMD Ryzen 9 3900
AMD Ryzen 9 3900 Image
AMD FX-8320
AMD FX-8320 Image
AMD Ryzen 9 3900
AMD FX-8320
Key Differences Key Differences AMD Ryzen 9 3900 AMD FX-8320
Cores 12 8
CPU Threads 24 8
Base Clock Speed 3.1GHz 3.5GHz
Turbo Clock Speed 4.3GHz 4GHz
TDP (THERMAL DESIGN POINT) 65W 125W
Has integrated graphics No No
Performance per watt 163.0 75.0
Performance Performance AMD Ryzen 9 3900 AMD FX-8320
CPU Speed & Cores 12 x 3.1GHz 8 x 3.5GHz
Number of CPU Threads 24 8
L2 Cache Size 6MB 8MB
L3 Cache Size 64MB 8MB
Turbo Boost Frequency 4.3GHz 4GHz
L1 Cache Size 768KB 384KB
L2 Core 0.5MB/core 1MB/core
L3 Core 5.33MB/core 1MB/core
Does it have an unlocked multiplier Yes Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Core Tech Version Not Known 3
Features Features AMD Ryzen 9 3900 AMD FX-8320
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 Yes
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
General info General info AMD Ryzen 9 3900 AMD FX-8320
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 32nm
TDP (Thermal Design Point) 65W 125W
PCI Express Version 4 2
CPU Temperature 95°C 61.1°C
Does it have Integrated Graphics No No
Transistor Count Not Known 1200 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 9 3900 AMD FX-8320
RAM Memory Speed 3200MHz 1866MHz
Max Memory Bandwidth 47.68GB/s 21GB/s
Max Memory Channels 2 2
Supported Memory Size 128GB Not Known
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 5.4GT/s
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks AMD Ryzen 9 3900 AMD FX-8320
PassMark Score 30887 8199
PassMark Score (Single Thread) 2649 1403
Blender Score (bmw27) 132.5seconds Not Known
Blender Score (Classroom) 446.6seconds Not Known
Geekbench 5 Score (Multi-Thread) 10598 Not Known
Geekbench 5 Score (Single Thread) 1190 Not Known
PassMark Score (Overclocked) 31671 9371
CPU Performance (Per Watt) 163.0 75.0
Power Consumption Under High Load Not Known 185.4W
Standard Power Consumption Not Known 73.2W

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