AMD Ryzen 9 3900X vs AMD Ryzen 7 1800x

VS
AMD Ryzen 9 3900X
AMD Ryzen 9 3900X Image
AMD Ryzen 7 1800x
AMD Ryzen 7 1800x Image
AMD Ryzen 9 3900X
AMD Ryzen 7 1800x
Key Differences Key Differences AMD Ryzen 9 3900X AMD Ryzen 7 1800x
Cores 12 8
CPU Threads 24 16
Base Clock Speed 3.8GHz 3.6GHz
Turbo Clock Speed 4.6GHz 4GHz
TDP (THERMAL DESIGN POINT) 105W 95W
Has integrated graphics No No
Performance per watt 113.0 66.8
Performance Performance AMD Ryzen 9 3900X AMD Ryzen 7 1800x
CPU Speed & Cores 12 x 3.8GHz 8 x 3.6GHz
Number of CPU Threads 24 16
L2 Cache Size 6MB 4MB
L3 Cache Size 64MB 16MB
Turbo Boost Frequency 4.6GHz 4GHz
L1 Cache Size 768KB 768KB
L2 Core 0.5MB/core 0.5MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 5.33MB/core 2MB/core
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
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Features Features AMD Ryzen 9 3900X AMD Ryzen 7 1800x
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 Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Has NX Processor Bit Support No No
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General info General info AMD Ryzen 9 3900X AMD Ryzen 7 1800x
Has 64-bit Support Yes Yes
Semiconductor Size 7nm 14nm
TDP (Thermal Design Point) 105W 95W
PCI Express Version 4 3
CPU Temperature 95°C Not Known
Does it have Integrated Graphics No No
Transistor Count Not Known 4800 million
Supports Power Optimized L2 Cache No No
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Memory Memory AMD Ryzen 9 3900X AMD Ryzen 7 1800x
RAM Memory Speed 3200MHz 2667MHz
Max Memory Bandwidth 47.68GB/s Not Known
Max Memory Channels 2 2
Supported Memory Size 128GB 128GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 4
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Benchmarks Benchmarks AMD Ryzen 9 3900X AMD Ryzen 7 1800x
PassMark Score 32866 16234
PassMark Score (Single Thread) 2732 2172
Geekbench 5 Score (Multi-Thread) 11864 6344
Cinebench R20 Score (Single Thread) 521 381
Cinebench R20 Score (Multi-Thread) 7178 3587
Geekbench 5 Score (Single Thread) 1282 935
Blender Score (Classroom) 353.3seconds 708.7seconds
Blender Score (bmw27) 116.4seconds 233.4seconds
PassMark Score (Overclocked) 33293 17189
CPU Performance (Per Watt) 113.0 66.8
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