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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-9900 vs i9-11900T

The Intel Core i9-11900T @ 1.50GHz is newer than Intel Core i9-9900 @ 3.10GHz and is around 15% faster in multi-threaded (CPU Mark) testing. The Intel Core i9-11900T @ 1.50GHz is around 17% faster in single-thread testing. Also, 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 1031 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 i9-9900 @ 3.10GHz×Intel Core i9-11900T @ 1.50GHz+ ADD
Price Search Online Search Online
Socket TypeFCLGA1151-2FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.1 GHz1.5 GHz
Turbo SpeedUp to 5.0 GHzUp to 4.9 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 2.0MB, L3: 16MBL1: 640KB, L2: 4.0MB, L3: 16MB
TDP65W35W
Yearly Running Cost$11.86$6.39
OtherIntel UHD Graphics 630Intel UHD Graphics 750
First Seen on ChartQ3 2019Q2 2021
# of Samples98348
CPU Rank11551013
CPU Value32.542.4
Single Thread Rating(% diff. to max in group)2800(-14.6%)3279(0.0%)
CPU Mark(% diff. to max in group)16241(-12.8%)18620(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of March 2026 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
16,241
Intel Core i9-11900T @ 1.50GHz
18,620
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 12th of March 2026 - Higher results represent better value
Intel Core i9-9900 @ 3.10GHz
32.5
Intel Core i9-11900T @ 1.50GHz
42.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 12th of March 2026 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
2,800
Intel Core i9-11900T @ 1.50GHz
3,279
PassMark Software © 2008-2026
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 i9-9900 @ 3.10GHz Intel Core i9-11900T @ 1.50GHz
Max TDP65W35W
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.