Intel Core i7-8670 vs Intel Core i5-6400

VS
Intel Core i7-8670
Intel Core i7-8670 Image
Intel Core i5-6400
Intel Core i5-6400 Image
Intel Core i7-8670
Intel Core i5-6400
Key Differences Key Differences Intel Core i7-8670 Intel Core i5-6400
Cores 6 4
CPU Threads 12 4
Base Clock Speed 3.1GHz 2.7GHz
Turbo Clock Speed 4.4GHz 3.3GHz
TDP (THERMAL DESIGN POINT) 65W 65W
Has integrated graphics Yes Yes
Performance per watt Not Known 236.8
Performance Performance Intel Core i7-8670 Intel Core i5-6400
CPU Speed & Cores 6 x 3.1GHz 4 x 2.7GHz
Number of CPU Threads 12 4
Turbo Boost Frequency 4.4GHz 3.3GHz
Turbo Boost Tech Version 2 Not Known
L2 Cache Size Not Known 1MB
L3 Cache Size Not Known 6MB
L1 Cache Size Not Known 128KB
L2 Core Not Known 0.2MB/core
Does it have an unlocked multiplier No No
L3 Core Not Known 1.5MB/core
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 27
Features Features Intel Core i7-8670 Intel Core i5-6400
Has AES Support 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 No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has NX Processor Bit Support No Yes
Has FMA3 Instructions Support Yes Yes
Miscellaneous Miscellaneous Intel Core i7-8670 Intel Core i5-6400
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i7-8670 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) 65W 65W
PCI Express Version 3 3
DirectX Version Info 12 12
OpenGL Driver Version 4.4 4.4
GPU Boost Clock Speed 1200MHz 950MHz
OpenGL Driver Version 2 2
No. of Supported Displays 3 3
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
CPU Temperature Not Known 71°C
Total GPU Execution Units Not Known 24
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-8670 Intel Core i5-6400
RAM Memory Speed 2666MHz 2133MHz
Max Memory Bandwidth 39.74GB/s 34.1GB/s
Max Memory Channels 2 2
Supported Memory Size 64GB 64GB
Bus Bandwidth 4GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks Intel Core i7-8670 Intel Core i5-6400
PassMark Score Not Known 6554
PassMark Score (Single Thread) Not Known 1825
PassMark Score (Overclocked) Not Known 7199
CPU Performance (Per Watt) Not Known 236.8

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