Intel Core i9-9900K vs Intel Core i5-9400

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Intel Core i9-9900K
Intel Core i9-9900K Image
Intel Core i5-9400
Intel Core i5-9400 Image
Intel Core i9-9900K
Intel Core i5-9400
Key Differences Key Differences Intel Core i9-9900K Intel Core i5-9400
Cores 8 6
CPU Threads 16 6
Base Clock Speed 3.6GHz 2.9GHz
Turbo Clock Speed 5GHz 4.1GHz
TDP (THERMAL DESIGN POINT) 95W 65W
Has integrated graphics Yes Yes
Performance per watt 92.6 70.6
Performance Performance Intel Core i9-9900K Intel Core i5-9400
CPU Speed & Cores 8 x 3.6GHz 6 x 2.9GHz
Number of CPU Threads 16 6
L2 Cache Size 2MB 1.5MB
L3 Cache Size 16MB 9MB
Turbo Boost Frequency 5GHz 4.1GHz
L1 Cache Size 512KB 384KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 1.5MB/core
Uses ARM big.LITTLE tech No No
Clock Multiplier 36 29
Turbo Boost Tech Version 2 2
Uses ARM HMP No No
Features Features Intel Core i9-9900K Intel Core i5-9400
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 i9-9900K Intel Core i5-9400
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i9-9900K Intel Core i5-9400
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz 350MHz
TDP (Thermal Design Point) 95W 65W
PCI Express Version 3 3
CPU Temperature 100°C 100°C
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.5
GPU Boost Clock Speed 1200MHz 1050MHz
No. of Supported Displays 3 3
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9900K Intel Core i5-9400
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 41.6GB/s 41.6GB/s
Max Memory Channels 2 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 i9-9900K Intel Core i5-9400
PassMark Score 18898 9548
PassMark Score (Single Thread) 2986 2503
Geekbench 5 Score (Multi-Thread) 8795 4586
Cinebench R20 Score (Single Thread) 518 Not Known
Cinebench R20 Score (Multi-Thread) 4995 Not Known
Geekbench 5 Score (Single Thread) 1336 1060
Blender Score (bmw27) 164.2seconds 349.4seconds
Blender Score (Classroom) 544seconds 1065.9seconds
PassMark Score (Overclocked) 20704 10436
CPU Performance (Per Watt) 92.6 70.6

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