AMD Ryzen 9 3900X vs Intel Core i7-5820K

VS
AMD Ryzen 9 3900X
AMD Ryzen 9 3900X Image
Intel Core i7-5820K
Intel Core i7-5820K Image
AMD Ryzen 9 3900X
Intel Core i7-5820K
Key Differences Key Differences AMD Ryzen 9 3900X Intel Core i7-5820K
Cores 12 6
CPU Threads 24 12
Base Clock Speed 3.8GHz 3.3GHz
Turbo Clock Speed 4.6GHz 3.6GHz
TDP (THERMAL DESIGN POINT) 105W 140W
Has integrated graphics No No
Performance per watt 113.0 25.0
Performance Performance AMD Ryzen 9 3900X Intel Core i7-5820K
CPU Speed & Cores 12 x 3.8GHz 6 x 3.3GHz
Number of CPU Threads 24 12
L2 Cache Size 6MB 1.5MB
L3 Cache Size 64MB 15MB
Turbo Boost Frequency 4.6GHz 3.6GHz
L1 Cache Size 768KB 192KB
L2 Core 0.5MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 5.33MB/core 2.5MB/core
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 35
Features Features AMD Ryzen 9 3900X Intel Core i7-5820K
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 No
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 Yes
General info General info AMD Ryzen 9 3900X Intel Core i7-5820K
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 22nm
TDP (Thermal Design Point) 105W 140W
PCI Express Version 4 3
CPU Temperature 95°C 66.8°C
Does it have Integrated Graphics No No
Transistor Count Not Known 2600 million
OpenGL Driver Version Not Known 4
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 9 3900X Intel Core i7-5820K
RAM Memory Speed 3200MHz 2133MHz
Max Memory Bandwidth 47.68GB/s 68GB/s
Max Memory Channels 2 4
Supported Memory Size 128GB 64GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 5GT/s
Benchmarks Benchmarks AMD Ryzen 9 3900X Intel Core i7-5820K
PassMark Score 32866 12926
PassMark Score (Single Thread) 2732 1979
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 15269
CPU Performance (Per Watt) 113.0 25.0

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