Intel Core i7-7700K vs Intel Core i5-9400

VS
Intel Core i7-7700K
Intel Core i7-7700K Image
Intel Core i5-9400
Intel Core i5-9400 Image
Intel Core i7-7700K
Intel Core i5-9400
Key Differences Key Differences Intel Core i7-7700K Intel Core i5-9400
Cores 4 6
CPU Threads 8 6
Base Clock Speed 4.2GHz 2.9GHz
Turbo Clock Speed 4.5GHz 4.1GHz
TDP (THERMAL DESIGN POINT) 91W 65W
Has integrated graphics Yes Yes
Performance per watt 52.3 70.6
Performance Performance Intel Core i7-7700K Intel Core i5-9400
CPU Speed & Cores 4 x 4.2GHz 6 x 2.9GHz
Number of CPU Threads 8 6
L2 Cache Size 1MB 1.5MB
L3 Cache Size 8MB 9MB
Turbo Boost Frequency 4.5GHz 4.1GHz
L1 Cache Size 256KB 384KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 1.5MB/core
Clock Multiplier 42 29
Turbo Boost Tech Version 2 2
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-7700K 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 Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Miscellaneous Miscellaneous Intel Core i7-7700K Intel Core i5-9400
Geekbench Score 5690 No Data Found
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i7-7700K 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) 91W 65W
PCI Express Version 3 3
CPU Temperature 100°C 100°C
DirectX Version Info 12 12
OpenGL Driver Version 4.4 4.5
GPU Boost Clock Speed 1150MHz 1050MHz
OpenGL Driver Version 2 Not Known
Total GPU Execution Units 24 Not Known
No. of Supported Displays 3 3
3DMark06 Score 12740 Not Known
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 i7-7700K Intel Core i5-9400
RAM Memory Speed 2400MHz 2666MHz
Max Memory Bandwidth 38.4GB/s 41.6GB/s
Max Memory Channels 2 2
Supported Memory Size 64GB 128GB
Bus Bandwidth 8GT/s 8GT/s
DDR Type Memory Version 4 4
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i7-7700K Intel Core i5-9400
PassMark Score 9736 9548
PassMark Score (Single Thread) 2776 2503
Geekbench 5 Score (Multi-Thread) 4757 4586
Cinebench R20 Score (Multi-Thread) 2257 Not Known
Cinebench R20 Score (Single Thread) 466 Not Known
Geekbench 5 Score (Single Thread) 1240 1060
Blender Score (bmw27) 339.9seconds 349.4seconds
Blender Score (Classroom) 1117.4seconds 1065.9seconds
PassMark Score (Overclocked) 10703 10436
CPU Performance (Per Watt) 52.3 70.6

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