Intel Core i9-9900KS vs Intel Core i9-9820X

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Intel Core i9-9900KS
Intel Core i9-9900KS Image
Intel Core i9-9820X
Intel Core i9-9820X Image
Intel Core i9-9900KS
Intel Core i9-9820X
Key Differences Key Differences Intel Core i9-9900KS Intel Core i9-9820X
Cores 8 10
CPU Threads 16 20
Base Clock Speed 4GHz 3.3GHz
Turbo Clock Speed 5GHz 4.1GHz
TDP (THERMAL DESIGN POINT) 127W 165W
Has integrated graphics Yes No
Performance per watt 72.3 Not Known
Performance Performance Intel Core i9-9900KS Intel Core i9-9820X
CPU Speed & Cores 8 x 4GHz 10 x 3.3GHz
Number of CPU Threads 16 20
L2 Cache Size 2MB 10MB
L3 Cache Size 16MB 16.5MB
Turbo Boost Frequency 5GHz 4.1GHz
L1 Cache Size 512KB 640KB
L2 Core 0.25MB/core 1MB/core
L3 Core 2MB/core 1.65MB/core
Clock Multiplier 40 33
Turbo Boost Tech Version 2 2
Does it have an unlocked multiplier Yes No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-9900KS Intel Core i9-9820X
Has AES Support Yes Yes
Supports CPU Throttling 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 NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-9900KS Intel Core i9-9820X
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i9-9900KS Intel Core i9-9820X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 127W 165W
PCI Express Version 3 3
CPU Temperature 100°C 92°C
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.5 Not Known
GPU Boost Clock Speed 1200MHz Not Known
No. of Supported Displays 3 Not Known
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9900KS Intel Core i9-9820X
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 41.6GB/s 85.3GB/s
Max Memory Channels 2 4
Supported Memory Size 128GB 128GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 4
Benchmarks Benchmarks Intel Core i9-9900KS Intel Core i9-9820X
PassMark Score 19553 20544
PassMark Score (Single Thread) 3043 2421
Geekbench 5 Score (Multi-Thread) 9184 Not Known
Cinebench R20 Score (Multi-Thread) 5226 4677
Cinebench R20 Score (Single Thread) 518 422
Geekbench 5 Score (Single Thread) 1375 Not Known
Blender Score (bmw27) 154.7seconds 147seconds
Blender Score (Classroom) 490.5seconds 474.5seconds
PassMark Score (Overclocked) 21393 22705
CPU Performance (Per Watt) 72.3 Not Known

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