Intel Core i5-6600K vs Intel Core i5-8400T

VS
Intel Core i5-6600K
Intel Core i5-6600K Image
Intel Core i5-8400T
Intel Core i5-8400T Image
Intel Core i5-6600K
Intel Core i5-8400T
Key Differences Key Differences Intel Core i5-6600K Intel Core i5-8400T
Cores 4 6
CPU Threads 4 6
Base Clock Speed 3.5GHz 1.7GHz
Turbo Clock Speed 3.9GHz 3.3GHz
TDP (THERMAL DESIGN POINT) 91W 35W
Has integrated graphics Yes Yes
Performance per watt 230.0 104.5
Performance Performance Intel Core i5-6600K Intel Core i5-8400T
CPU Speed & Cores 4 x 3.5GHz 6 x 1.7GHz
Number of CPU Threads 4 6
L2 Cache Size 1MB 1.5MB
L3 Cache Size 6MB 9MB
Turbo Boost Frequency 3.9GHz 3.3GHz
L1 Cache Size 128KB 384KB
L2 Core 0.2MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 1.5MB/core 1.5MB/core
Clock Multiplier 35 17
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Boost Tech Version Not Known 2
Features Features Intel Core i5-6600K 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 i5-6600K Intel Core i5-8400T
Geekbench Score 20939 No Data Found
Width Size 37.5mm 37.5mm
Height 37.5mm 37.5mm
General info General info Intel Core i5-6600K 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) 91W 35W
PCI Express Version 3 3
CPU Temperature 64°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 2
Total GPU Execution Units 24 Not Known
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 i5-6600K Intel Core i5-8400T
RAM Memory Speed 2133MHz 2666MHz
Max Memory Bandwidth 34.1GB/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 i5-6600K Intel Core i5-8400T
PassMark Score 7799 7763
PassMark Score (Single Thread) 2129 2002
PassMark Score (Overclocked) 9092 Not Known
CPU Performance (Per Watt) 230.0 104.5
Geekbench 5 Score (Multi-Thread) Not Known 3659
Geekbench 5 Score (Single Thread) Not Known 860

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