i9-10900k vs. i7-10700k

 Intel’s Comet Lake flagship, the i9-10900K, is the fastest gaming and desktop CPU currently available.The 10900K also requires a new (Z490) LGA1200 motherboard

19,677 User Benchmarks

Best Bench: 108% Base clock 3.7 GHz, turbo 5.3 GHz (avg)
Worst Bench: 96% Base clock 3.7 GHz, turbo 0.8 GHz (avg)

SPEED RANK: 2nd / 1276

45,594 User Benchmarks

Best Bench: 106% Base clock 3.8 GHz, turbo 5.15 GHz (avg)
Worst Bench: 91% Base clock 3.8 GHz, turbo 0.8 GHz (avg)

SPEED RANK: 7th / 1276

Age Newest		7 Months			7 Months
TDP Thermal Design Power (TDP)		125 Watts			125 Watts
Cores CPU Processing Cores		10 cores	Higher core count. +25%		8 cores
Threads CPU Processing Threads		20 threads	Higher thread count. +25%		16 threads
Lithography Manufacturing process		14 nm			14 nm
Base Clock Base Clock Speed		3.7 GHz			3.8 GHz	+3%
Turbo Clock Turbo Clock Speed		5.3 GHz	+4%		5.1 GHz
64-Core OC Multi Core Mixed Speed		2126 Pts	Faster OC 64-core speed. +28%		1666 Pts
64-Core Avg. Multi Core Mixed Speed		1996 Pts	Faster 64-core speed. +30%		1541 Pts

reference:

https://cpu.userbenchmark.com/Compare/Intel-Core-i9-10900K-vs-Intel-Core-i7-10700K/4071vs4070