AMD Ryzen 9 3950X vs AMD FX-8320

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AMD Ryzen 9 3950X
AMD Ryzen 9 3950X Image
AMD FX-8320
AMD FX-8320 Image
AMD Ryzen 9 3950X
AMD FX-8320
Key Differences Key Differences AMD Ryzen 9 3950X AMD FX-8320
Cores 16 8
CPU Threads 32 8
Base Clock Speed 3.5GHz 3.5GHz
Turbo Clock Speed 4.7GHz 4GHz
TDP (THERMAL DESIGN POINT) 105W 125W
Has integrated graphics No No
Performance per watt 135.0 75.0
Performance Performance AMD Ryzen 9 3950X AMD FX-8320
CPU Speed & Cores 16 x 3.5GHz 8 x 3.5GHz
Number of CPU Threads 32 8
L2 Cache Size 8.1MB 8MB
L3 Cache Size 72MB 8MB
Turbo Boost Frequency 4.7GHz 4GHz
L1 Cache Size 1536KB 384KB
L2 Core 0.5MB/core 1MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 4.5MB/core 1MB/core
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Core Tech Version Not Known 3
Features Features AMD Ryzen 9 3950X 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 FMA3 Instructions Support Yes Yes
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 3950X AMD FX-8320
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 32nm
TDP (Thermal Design Point) 105W 125W
PCI Express Version 4 2
CPU Temperature 95°C 61.1°C
Transistor Count 19200 million 1200 million
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 9 3950X AMD FX-8320
Max Memory Channels 2 2
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
RAM Memory Speed Not Known 1866MHz
Max Memory Bandwidth Not Known 21GB/s
Bus Bandwidth Not Known 5.4GT/s
Benchmarks Benchmarks AMD Ryzen 9 3950X AMD FX-8320
PassMark Score 39265 8199
PassMark Score (Single Thread) 2746 1403
Geekbench 5 Score (Multi-Thread) 14174 Not Known
Cinebench R20 Score (Multi-Thread) 9148 Not Known
Cinebench R20 Score (Single Thread) 531 Not Known
Geekbench 5 Score (Single Thread) 1297 Not Known
Blender Score (bmw27) 90.8seconds Not Known
Blender Score (Classroom) 270.7seconds Not Known
CPU Performance (Per Watt) 135.0 75.0
PassMark Score (Overclocked) Not Known 9371
Power Consumption Under High Load Not Known 185.4W
Standard Power Consumption Not Known 73.2W

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