Intel Core i9-9900KF vs Intel Core i9-9900X

VS
Intel Core i9-9900KF
Intel Core i9-9900KF Image
Intel Core i9-9900X
Intel Core i9-9900X Image
Intel Core i9-9900KF
Intel Core i9-9900X
Key Differences Key Differences Intel Core i9-9900KF Intel Core i9-9900X
Cores 8 10
CPU Threads 16 20
Base Clock Speed 3.6GHz 3.5GHz
Turbo Clock Speed 5GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 95W 165W
Has integrated graphics No No
Performance per watt 90.8 61.8
Performance Performance Intel Core i9-9900KF Intel Core i9-9900X
CPU Speed & Cores 8 x 3.6GHz 10 x 3.5GHz
Number of CPU Threads 16 20
L2 Cache Size 2MB 10MB
L3 Cache Size 16MB 19.25MB
Turbo Boost Frequency 5GHz 4.4GHz
L1 Cache Size 512KB 640KB
L2 Core 0.25MB/core 1MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 1.93MB/core
Turbo Boost Tech Version 2 2
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 35
Features Features Intel Core i9-9900KF Intel Core i9-9900X
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 NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-9900KF Intel Core i9-9900X
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i9-9900KF Intel Core i9-9900X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 95W 165W
PCI Express Version 3 3
CPU Temperature 100°C 92°C
Width Size 37.5mm No Data Found
Height 37.5mm No Data Found
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9900KF Intel Core i9-9900X
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 41.6GB/s Not Known
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 i9-9900KF Intel Core i9-9900X
PassMark Score 18920 21793
PassMark Score (Single Thread) 3003 2590
Geekbench 5 Score (Multi-Thread) 8622 10204
Cinebench R20 Score (Multi-Thread) 4995 4855
Cinebench R20 Score (Single Thread) 518 455
Geekbench 5 Score (Single Thread) 1318 1115
Blender Score (Classroom) 550.7seconds Not Known
Blender Score (bmw27) 164.8seconds Not Known
PassMark Score (Overclocked) 19916 23091
CPU Performance (Per Watt) 90.8 61.8

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