Intel Core i7-7700K vs Intel Core i5-7640X

VS
Intel Core i7-7700K
Intel Core i7-7700K Image
Intel Core i5-7640X
Intel Core i5-7640X Image
Intel Core i7-7700K
Intel Core i5-7640X
Key Differences Key Differences Intel Core i7-7700K Intel Core i5-7640X
Cores 4 4
CPU Threads 8 4
Base Clock Speed 4.2GHz 4GHz
Turbo Clock Speed 4.5GHz 4.2GHz
TDP (THERMAL DESIGN POINT) 91W 112W
Has integrated graphics Yes No
Performance per watt 52.3 Not Known
Performance Performance Intel Core i7-7700K Intel Core i5-7640X
CPU Speed & Cores 4 x 4.2GHz 4 x 4GHz
Number of CPU Threads 8 4
L2 Cache Size 1MB 1MB
L3 Cache Size 8MB 6MB
Turbo Boost Frequency 4.5GHz 4.2GHz
L1 Cache Size 256KB 128KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 1.5MB/core
Clock Multiplier 42 Not Known
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 i5-7640X
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 i5-7640X
Geekbench Score 5690 No Data Found
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i7-7700K Intel Core i5-7640X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 91W 112W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.4 Not Known
GPU Boost Clock Speed 1150MHz Not Known
OpenGL Driver Version 2 Not Known
Total GPU Execution Units 24 Not Known
No. of Supported Displays 3 Not Known
3DMark06 Score 12740 Not Known
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-7700K Intel Core i5-7640X
RAM Memory Speed 2400MHz 2666MHz
Max Memory Bandwidth 38.4GB/s Not Known
Max Memory Channels 2 2
Supported Memory Size 64GB 64GB
Bus Bandwidth 8GT/s 8GT/s
DDR Type Memory Version 4 Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i7-7700K Intel Core i5-7640X
PassMark Score 9736 Not Known
PassMark Score (Single Thread) 2776 Not Known
Geekbench 5 Score (Multi-Thread) 4757 Not Known
Cinebench R20 Score (Multi-Thread) 2257 Not Known
Cinebench R20 Score (Single Thread) 466 Not Known
Geekbench 5 Score (Single Thread) 1240 Not Known
Blender Score (bmw27) 339.9seconds Not Known
Blender Score (Classroom) 1117.4seconds Not Known
PassMark Score (Overclocked) 10703 Not Known
CPU Performance (Per Watt) 52.3 Not Known

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