Intel Core i9-10900K vs Intel Core i5-9400

VS
Intel Core i9-10900K
Intel Core i9-10900K Image
Intel Core i5-9400
Intel Core i5-9400 Image
Intel Core i9-10900K
Intel Core i5-9400
Key Differences Key Differences Intel Core i9-10900K Intel Core i5-9400
Cores 10 6
CPU Threads 20 6
Base Clock Speed 3.7GHz 2.9GHz
Turbo Clock Speed 5.3GHz 4.1GHz
TDP (THERMAL DESIGN POINT) 125W 65W
Has integrated graphics Yes Yes
Performance per watt 87.9 70.6
Performance Performance Intel Core i9-10900K Intel Core i5-9400
CPU Speed & Cores 10 x 3.7GHz 6 x 2.9GHz
Number of CPU Threads 20 6
L2 Cache Size 2.5MB 1.5MB
L3 Cache Size 20MB 9MB
Turbo Boost Frequency 5.3GHz 4.1GHz
L1 Cache Size 640KB 384KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 1.5MB/core
Turbo Boost Tech Version 2 2
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 29
Features Features Intel Core i9-10900K 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 i9-10900K Intel Core i5-9400
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i9-10900K 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) 125W 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
Width Size 37.5mm 37.5mm
Height 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-10900K Intel Core i5-9400
RAM Memory Speed 2933MHz 2666MHz
Max Memory Bandwidth 45.8GB/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 i9-10900K Intel Core i5-9400
PassMark Score 24183 9548
PassMark Score (Single Thread) 3175 2503
Geekbench 5 Score (Multi-Thread) 10991 4586
Cinebench R20 Score (Single Thread) 539 Not Known
Cinebench R20 Score (Multi-Thread) 6399 Not Known
Geekbench 5 Score (Single Thread) 1406 1060
Blender Score (bmw27) 132.9seconds 349.4seconds
Blender Score (Classroom) 409.6seconds 1065.9seconds
PassMark Score (Overclocked) 24362 10436
CPU Performance (Per Watt) 87.9 70.6

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