Intel Core i7-8700K vs Intel Core i5-8400T

VS
Intel Core i7-8700K
Intel Core i7-8700K Image
Intel Core i5-8400T
Intel Core i5-8400T Image
Intel Core i7-8700K
Intel Core i5-8400T
Key Differences Key Differences Intel Core i7-8700K Intel Core i5-8400T
Cores 6 6
CPU Threads 12 6
Base Clock Speed 3.7GHz 1.7GHz
Turbo Clock Speed 4.7GHz 3.3GHz
TDP (THERMAL DESIGN POINT) 95W 35W
Has integrated graphics Yes Yes
Performance per watt Not Known 104.5
Performance Performance Intel Core i7-8700K Intel Core i5-8400T
CPU Speed & Cores 6 x 3.7GHz 6 x 1.7GHz
Number of CPU Threads 12 6
L2 Cache Size 1.5MB 1.5MB
L3 Cache Size 12MB 9MB
Turbo Boost Frequency 4.7GHz 3.3GHz
L1 Cache Size 384KB 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 37 17
Turbo Boost Tech Version 2 2
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-8700K Intel Core i5-8400T
Has AES Support Yes Yes
Supports CPU Throttling Yes No
Supported SSE Version 4.2 4.2
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes Yes
Supports ARM TrustZone Tech No No
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
Miscellaneous Miscellaneous Intel Core i7-8700K Intel Core i5-8400T
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i7-8700K Intel Core i5-8400T
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 35W
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
OpenGL Driver Version Not Known 2
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-8700K Intel Core i5-8400T
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 42.7GB/s 41.6GB/s
Max Memory Channels 2 2
Supported Memory Size 64GB 64GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version Not Known 4
Benchmarks Benchmarks Intel Core i7-8700K Intel Core i5-8400T
PassMark Score 16270 7763
PassMark Score (Single Thread) 2728 2002
Geekbench 5 Score (Multi-Thread) Not Known 3659
Geekbench 5 Score (Single Thread) Not Known 860
CPU Performance (Per Watt) Not Known 104.5

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