Intel Core i5-6600K vs Intel Core i9-7940X

VS
Intel Core i5-6600K
Intel Core i5-6600K Image
Intel Core i9-7940X
Intel Core i9-7940X Image
Intel Core i5-6600K
Intel Core i9-7940X
Key Differences Key Differences Intel Core i5-6600K Intel Core i9-7940X
Cores 4 14
CPU Threads 4 28
Base Clock Speed 3.5GHz 3.1GHz
Turbo Clock Speed 3.9GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 91W 165W
Has integrated graphics Yes No
Performance per watt 230.0 Not Known
Performance Performance Intel Core i5-6600K Intel Core i9-7940X
CPU Speed & Cores 4 x 3.5GHz 14 x 3.1GHz
Number of CPU Threads 4 28
L2 Cache Size 1MB 14MB
L3 Cache Size 6MB 19.2MB
Turbo Boost Frequency 3.9GHz 4.4GHz
L1 Cache Size 128KB 448KB
L2 Core 0.2MB/core 1MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 1.5MB/core 1.3MB/core
Clock Multiplier 35 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Boost Tech Version Not Known 3
Features Features Intel Core i5-6600K Intel Core i9-7940X
Has AES Support Yes Yes
Supports CPU Throttling Yes Yes
Supported SSE Version 4.2 Not Known
Has AVX Support Yes Yes
Has MMX Tech Support Yes No
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 i9-7940X
Geekbench Score 20939 No Data Found
Width Size 37.5mm 58.5mm
Height 37.5mm 51mm
General info General info Intel Core i5-6600K Intel Core i9-7940X
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 165W
PCI Express Version 3 3
CPU Temperature 64°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
Width Size 37.5mm 58.5mm
Height 37.5mm 51mm
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i5-6600K Intel Core i9-7940X
RAM Memory Speed 2133MHz 2666MHz
Max Memory Bandwidth 34.1GB/s Not Known
Max Memory Channels 2 4
Supported Memory Size 64GB Not Known
Bus Bandwidth 8GT/s Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i5-6600K Intel Core i9-7940X
PassMark Score 7799 Not Known
PassMark Score (Single Thread) 2129 Not Known
PassMark Score (Overclocked) 9092 Not Known
CPU Performance (Per Watt) 230.0 Not Known

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