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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-9900 vs i9-9820X

The Intel Core i9-9900 @ 3.10GHz is newer than Intel Core i9-9820X @ 3.30GHz, while Intel Core i9-9820X @ 3.30GHz is around 20% faster in multi-threaded (CPU Mark) testing, but Intel Core i9-9900 @ 3.10GHz is around 13% faster in single-thread testing. However, Intel Core i9-9900 @ 3.10GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 947 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 i9-9820X @ 3.30GHz+ ADD
Price $518.7 - BUY $548.04 - BUY
Socket TypeFCLGA1151-2FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.3 GHz
Turbo SpeedUp to 5.0 GHzUp to 4.2 GHz
# of Physical Cores8 (Threads: 16)10 (Threads: 20)
CacheL1: 512KB, L2: 2.0MB, L3: 16MBL1: 640KB, L2: 10.0MB, L3: 17MB
TDP65W165W
Yearly Running Cost$11.86$30.11
OtherIntel UHD Graphics 630
First Seen on ChartQ3 2019Q4 2018
# of Samples731216
CPU Value31.637.2
Single Thread Rating(% diff. to max in group)2817(0.0%)2459(-12.7%)
CPU Mark(% diff. to max in group)16380(-19.7%)20397(0.0%)

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
16,380
Intel Core i9-9820X @ 3.30GHz
20,397
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Core i9-9900 @ 3.10GHz
31.6
Intel Core i9-9820X @ 3.30GHz
37.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
2,817
Intel Core i9-9820X @ 3.30GHz
2,459
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 i9-9900 @ 3.10GHz Intel Core i9-9820X @ 3.30GHz
Max TDP65W165W
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.