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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-11900T vs i9-9900K

The Intel Core i9-11900T @ 1.50GHz is newer than Intel Core i9-9900K @ 3.60GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i9-11900T @ 1.50GHz is around 12% faster in single-thread testing. However, Intel Core i9-11900T @ 1.50GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 13847 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 i9-11900T @ 1.50GHz×Intel Core i9-9900K @ 3.60GHz+ ADD
Price Search Online $305.32 - BUY
Socket TypeFCLGA1200FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed1.5 GHz3.6 GHz
Turbo SpeedUp to 4.9 GHzUp to 5.0 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 640KB, L2: 4.0MB, L3: 16MBL1: 512KB, L2: 2.0MB, L3: 16MB
TDP35W95W
Yearly Running Cost$6.39$17.34
OtherIntel UHD Graphics 750Intel UHD Graphics 630
First Seen on ChartQ2 2021Q4 2018
# of Samples3813809
CPU Value43.159.7
Single Thread Rating(% diff. to max in group)3316(0.0%)2926(-11.7%)
CPU Mark(% diff. to max in group)18929(0.0%)18235(-3.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i9-11900T @ 1.50GHz
18,929
Intel Core i9-9900K @ 3.60GHz
18,235
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core i9-11900T @ 1.50GHz
43.1
Intel Core i9-9900K @ 3.60GHz
59.7
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i9-11900T @ 1.50GHz
3,316
Intel Core i9-9900K @ 3.60GHz
2,926
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 i9-11900T @ 1.50GHz Intel Core i9-9900K @ 3.60GHz
Max TDP35W95W
Power consumption per day (kWh)0.070.19
Running cost per day$0.018$0.048
Power consumption per year (kWh)25.669.3
Running cost per year$6.39$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.