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Intel i9-11900KB vs i7-11700

The Intel Core i9-11900KB @ 3.30GHz is newer than Intel Core i7-11700 @ 2.50GHz also around 10% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2113 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i9-11900KB @ 3.30GHz×Intel Core i7-11700 @ 2.50GHz+ ADD
Price Search Online $249.99 - BUY
Socket TypeFCBGA1787FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.5 GHz
Turbo SpeedUp to 4.9 GHzUp to 4.9 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 640KB, L2: 10.0MB, L3: 24MBL1: 640KB, L2: 4.0MB, L3: 16MB
TDP65W65W
Yearly Running Cost$11.86$11.86
OtherIntel UHD Graphics for 11th Gen Intel ProcessorsIntel UHD Graphics 750
First Seen on ChartQ3 2021Q1 2021
# of Samples902023
CPU Value42.682.9
Single Thread Rating(% diff. to max in group)3313(0.0%)3269(-1.3%)
CPU Mark(% diff. to max in group)22940(0.0%)20736(-9.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Core i9-11900KB @ 3.30GHz
22,940
Intel Core i7-11700 @ 2.50GHz
20,736
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of February 2025 - Higher results represent better value
Intel Core i9-11900KB @ 3.30GHz
42.6
Intel Core i7-11700 @ 2.50GHz
82.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Core i9-11900KB @ 3.30GHz
3,313
Intel Core i7-11700 @ 2.50GHz
3,269
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i9-11900KB @ 3.30GHz Intel Core i7-11700 @ 2.50GHz
Max TDP65W65W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.