Intel Core i7-10700K vs Intel Core i5-6400

VS
Intel Core i7-10700K
Intel Core i7-10700K Image
Intel Core i5-6400
Intel Core i5-6400 Image
Intel Core i7-10700K
Intel Core i5-6400
Key Differences Key Differences Intel Core i7-10700K Intel Core i5-6400
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.8GHz 2.7GHz
Turbo Clock Speed 5.1GHz 3.3GHz
TDP (THERMAL DESIGN POINT) 125W 65W
Has integrated graphics Yes Yes
Performance per watt 71.6 236.8
Performance Performance Intel Core i7-10700K Intel Core i5-6400
CPU Speed & Cores 8 x 3.8GHz 4 x 2.7GHz
Number of CPU Threads 16 4
L2 Cache Size 2MB 1MB
L3 Cache Size 16MB 6MB
Turbo Boost Frequency 5.1GHz 3.3GHz
L1 Cache Size 512KB 128KB
L2 Core 0.25MB/core 0.2MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 1.5MB/core
Turbo Boost Tech Version 2 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 27
Features Features Intel Core i7-10700K Intel Core i5-6400
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 No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i7-10700K Intel Core i5-6400
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i7-10700K Intel Core i5-6400
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 71°C
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.4
GPU Boost Clock Speed 1200MHz 950MHz
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
Total GPU Execution Units Not Known 24
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-10700K Intel Core i5-6400
RAM Memory Speed 2933MHz 2133MHz
Max Memory Bandwidth 45.8GB/s 34.1GB/s
Max Memory Channels 2 2
Supported Memory Size 128GB 64GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks Intel Core i7-10700K Intel Core i5-6400
PassMark Score 19819 6554
PassMark Score (Single Thread) 3088 1825
Geekbench 5 Score (Multi-Thread) 8944 Not Known
Cinebench R20 Score (Multi-Thread) 5292 Not Known
Cinebench R20 Score (Single Thread) 524 Not Known
Geekbench 5 Score (Single Thread) 1351 Not Known
Blender Score (bmw27) 164.9seconds Not Known
Blender Score (Classroom) 540.4seconds Not Known
PassMark Score (Overclocked) 19875 7199
CPU Performance (Per Watt) 71.6 236.8

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