Intel Core i9-9900K vs Intel Core i5-6600K

VS
Intel Core i9-9900K
Intel Core i9-9900K Image
Intel Core i5-6600K
Intel Core i5-6600K Image
Intel Core i9-9900K
Intel Core i5-6600K
Key Differences Key Differences Intel Core i9-9900K Intel Core i5-6600K
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.6GHz 3.5GHz
Turbo Clock Speed 5GHz 3.9GHz
TDP (THERMAL DESIGN POINT) 95W 91W
Has integrated graphics Yes Yes
Performance per watt 92.6 230.0
Performance Performance Intel Core i9-9900K Intel Core i5-6600K
CPU Speed & Cores 8 x 3.6GHz 4 x 3.5GHz
Number of CPU Threads 16 4
L2 Cache Size 2MB 1MB
L3 Cache Size 16MB 6MB
Turbo Boost Frequency 5GHz 3.9GHz
L1 Cache Size 512KB 128KB
L2 Core 0.25MB/core 0.2MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 1.5MB/core
Uses ARM big.LITTLE tech No No
Clock Multiplier 36 35
Turbo Boost Tech Version 2 Not Known
Uses ARM HMP No No
Features Features Intel Core i9-9900K Intel Core i5-6600K
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 Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-9900K Intel Core i5-6600K
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i9-9900K Intel Core i5-6600K
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz 350MHz
TDP (Thermal Design Point) 95W 91W
PCI Express Version 3 3
CPU Temperature 100°C 64°C
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.4
GPU Boost Clock Speed 1200MHz 1150MHz
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 i9-9900K Intel Core i5-6600K
RAM Memory Speed 2666MHz 2133MHz
Max Memory Bandwidth 41.6GB/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 i9-9900K Intel Core i5-6600K
PassMark Score 18898 7799
PassMark Score (Single Thread) 2986 2129
Geekbench 5 Score (Multi-Thread) 8795 Not Known
Cinebench R20 Score (Single Thread) 518 Not Known
Cinebench R20 Score (Multi-Thread) 4995 Not Known
Geekbench 5 Score (Single Thread) 1336 Not Known
Blender Score (bmw27) 164.2seconds Not Known
Blender Score (Classroom) 544seconds Not Known
PassMark Score (Overclocked) 20704 9092
CPU Performance (Per Watt) 92.6 230.0

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