Intel Core i7-9700K vs Intel Core i9-9940X

VS
Intel Core i7-9700K
Intel Core i7-9700K Image
Intel Core i9-9940X
Intel Core i9-9940X Image
Intel Core i7-9700K
Intel Core i9-9940X
Key Differences Key Differences Intel Core i7-9700K Intel Core i9-9940X
Cores 8 14
CPU Threads 8 28
Base Clock Speed 3.6GHz 3.3GHz
Turbo Clock Speed 4.9GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 95W 165W
Has integrated graphics Yes No
Performance per watt 77.8 83.2
Performance Performance Intel Core i7-9700K Intel Core i9-9940X
CPU Speed & Cores 8 x 3.6GHz 14 x 3.3GHz
Number of CPU Threads 8 28
L2 Cache Size 2MB 14MB
L3 Cache Size 12MB 19.25MB
Turbo Boost Frequency 4.9GHz 4.4GHz
L1 Cache Size 512KB 896KB
L2 Core 0.25MB/core 1MB/core
Does it have an unlocked multiplier Yes No
L3 Core 1.5MB/core 1.38MB/core
Clock Multiplier 36 33
Turbo Boost Tech Version 2 2
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-9700K Intel Core i9-9940X
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 No Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i7-9700K Intel Core i9-9940X
Height 37.5mm 45mm
Width Size 37.5mm 52.5mm
General info General info Intel Core i7-9700K Intel Core i9-9940X
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) 95W 165W
PCI Express Version 3 3
CPU Temperature 100°C 88°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 45mm
Width Size 37.5mm 52.5mm
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-9700K Intel Core i9-9940X
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 41.6GB/s 79.47GB/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 i7-9700K Intel Core i9-9940X
PassMark Score 14667 28274
PassMark Score (Single Thread) 2924 2627
Geekbench 5 Score (Multi-Thread) 7388 13722
Cinebench R20 Score (Multi-Thread) 3656 5912
Cinebench R20 Score (Single Thread) 481 457
Geekbench 5 Score (Single Thread) 1306 1148
Blender Score (bmw27) 224.8seconds 110.3seconds
Blender Score (Classroom) 709.8seconds 329.7seconds
PassMark Score (Overclocked) 16630 29664
CPU Performance (Per Watt) 77.8 83.2

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