Intel Core i9-10900X vs Intel Core i9-9900KF

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Intel Core i9-10900X
Intel Core i9-10900X Image
Intel Core i9-9900KF
Intel Core i9-9900KF Image
Intel Core i9-10900X
Intel Core i9-9900KF
Key Differences Key Differences Intel Core i9-10900X Intel Core i9-9900KF
Cores 10 8
CPU Threads 20 16
Base Clock Speed 3.7GHz 3.6GHz
Turbo Clock Speed 4.5GHz 5GHz
TDP (THERMAL DESIGN POINT) 165W 95W
Has integrated graphics No No
Performance per watt 64.2 90.8
Performance Performance Intel Core i9-10900X Intel Core i9-9900KF
CPU Speed & Cores 10 x 3.7GHz 8 x 3.6GHz
Number of CPU Threads 20 16
L2 Cache Size 10MB 2MB
L3 Cache Size 19.25MB 16MB
Turbo Boost Frequency 4.5GHz 5GHz
L1 Cache Size 640KB 512KB
L2 Core 1MB/core 0.25MB/core
L3 Core 1.93MB/core 2MB/core
Clock Multiplier 37 Not Known
Turbo Boost Tech Version 2 2
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-10900X Intel Core i9-9900KF
Has AES Support Yes Yes
Supports CPU Throttling Yes No
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
General info General info Intel Core i9-10900X Intel Core i9-9900KF
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 95W
PCI Express Version 3 3
CPU Temperature 94°C 100°C
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-10900X Intel Core i9-9900KF
RAM Memory Speed 2933MHz 2666MHz
Max Memory Channels 4 2
Supported Memory Size 256GB 128GB
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 4
Max Memory Bandwidth Not Known 41.6GB/s
Bus Bandwidth Not Known 8GT/s
Benchmarks Benchmarks Intel Core i9-10900X Intel Core i9-9900KF
PassMark Score 22692 18920
PassMark Score (Single Thread) 2727 3003
Geekbench 5 Score (Multi-Thread) 10587 8622
Geekbench 5 Score (Single Thread) 1154 1318
Blender Score (bmw27) 136.4seconds 164.8seconds
Blender Score (Classroom) 453.7seconds 550.7seconds
PassMark Score (Overclocked) 23514 19916
CPU Performance (Per Watt) 64.2 90.8
Cinebench R20 Score (Multi-Thread) Not Known 4995
Cinebench R20 Score (Single Thread) Not Known 518

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