Intel Core i9-9940X vs Intel Core i9-10900KF

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Intel Core i9-9940X
Intel Core i9-9940X Image
Intel Core i9-10900KF
Intel Core i9-10900KF Image
Intel Core i9-9940X
Intel Core i9-10900KF
Key Differences Key Differences Intel Core i9-9940X Intel Core i9-10900KF
Cores 14 10
CPU Threads 28 20
Base Clock Speed 3.3GHz 3.7GHz
Turbo Clock Speed 4.4GHz 5.3GHz
TDP (THERMAL DESIGN POINT) 165W 125W
Has integrated graphics No No
Performance per watt 83.2 87.9
Performance Performance Intel Core i9-9940X Intel Core i9-10900KF
CPU Speed & Cores 14 x 3.3GHz 10 x 3.7GHz
Number of CPU Threads 28 20
L2 Cache Size 14MB 2.5MB
L3 Cache Size 19.25MB 20MB
Turbo Boost Frequency 4.4GHz 5.3GHz
L1 Cache Size 896KB 640KB
L2 Core 1MB/core 0.25MB/core
L3 Core 1.38MB/core 2MB/core
Clock Multiplier 33 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 i9-9940X Intel Core i9-10900KF
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 i9-9940X Intel Core i9-10900KF
Height 45mm No Data Found
Width Size 52.5mm No Data Found
General info General info Intel Core i9-9940X Intel Core i9-10900KF
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 125W
PCI Express Version 3 3
CPU Temperature 88°C 100°C
Height 45mm No Data Found
Width Size 52.5mm No Data Found
Does it have Integrated Graphics No No
GPU Base Clock Speed Not Known 350MHz
DirectX Version Info Not Known 12
OpenGL Driver Version Not Known 4.5
GPU Boost Clock Speed Not Known 1200MHz
No. of Supported Displays Not Known 3
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory Intel Core i9-9940X Intel Core i9-10900KF
RAM Memory Speed 2666MHz 2933MHz
Max Memory Bandwidth 79.47GB/s 45.8GB/s
Max Memory Channels 4 2
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 i9-9940X Intel Core i9-10900KF
PassMark Score 28274 23842
PassMark Score (Single Thread) 2627 3148
Geekbench 5 Score (Multi-Thread) 13722 10616
Cinebench R20 Score (Multi-Thread) 5912 6399
Cinebench R20 Score (Single Thread) 457 539
Geekbench 5 Score (Single Thread) 1148 1371
Blender Score (Classroom) 329.7seconds 409.6seconds
Blender Score (bmw27) 110.3seconds 132.9seconds
PassMark Score (Overclocked) 29664 24362
CPU Performance (Per Watt) 83.2 87.9
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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