Intel Core i7-7700K vs Intel Core i7-7820X

VS
Intel Core i7-7700K
Intel Core i7-7700K Image
Intel Core i7-7820X
Intel Core i7-7820X Image
Intel Core i7-7700K
Intel Core i7-7820X
Key Differences Key Differences Intel Core i7-7700K Intel Core i7-7820X
Cores 4 8
CPU Threads 8 16
Base Clock Speed 4.2GHz 3.6GHz
Turbo Clock Speed 4.5GHz 4.5GHz
TDP (THERMAL DESIGN POINT) 91W 140W
Has integrated graphics Yes No
Performance per watt 52.3 Not Known
Performance Performance Intel Core i7-7700K Intel Core i7-7820X
CPU Speed & Cores 4 x 4.2GHz 8 x 3.6GHz
Number of CPU Threads 8 16
L2 Cache Size 1MB 8MB
L3 Cache Size 8MB 11MB
Turbo Boost Frequency 4.5GHz 4.5GHz
L1 Cache Size 256KB 256KB
L2 Core 0.25MB/core 1MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 1.3MB/core
Clock Multiplier 42 Not Known
Turbo Boost Tech Version 2 3
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-7700K Intel Core i7-7820X
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 i7-7820X
Geekbench Score 5690 No Data Found
Height 37.5mm 51mm
Width Size 37.5mm 58.5mm
General info General info Intel Core i7-7700K Intel Core i7-7820X
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 140W
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 51mm
Width Size 37.5mm 58.5mm
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-7700K Intel Core i7-7820X
RAM Memory Speed 2400MHz 2666MHz
Max Memory Bandwidth 38.4GB/s Not Known
Max Memory Channels 2 4
Supported Memory Size 64GB 128GB
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 i7-7820X
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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