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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-9820X vs i9-7920X

The Intel Core i9-9820X @ 3.30GHz is newer than Intel Core i9-7920X @ 2.90GHz, while Intel Core i9-7920X @ 2.90GHz is around 14% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i9-9820X @ 3.30GHz uses around 16% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 560 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 i9-9820X @ 3.30GHz×Intel Core i9-7920X @ 2.90GHz+ ADD
Price $426.47 - BUY $269.92 - BUY
Socket TypeFCLGA2066FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.9 GHz
Turbo SpeedUp to 4.2 GHzUp to 4.4 GHz
# of Physical Cores10 (Threads: 20)12 (Threads: 24)
CacheL1: 640KB, L2: 10.0MB, L3: 17MBL1: 768KB, L2: 12.0MB, L3: 17MB
TDP165W140W
Yearly Running Cost$30.11$25.55
Other
First Seen on ChartQ4 2018Q3 2017
# of Samples209351
CPU Value47.787.6
Single Thread Rating(% diff. to max in group)2457(-1.8%)2503(0.0%)
CPU Mark(% diff. to max in group)20355(-13.9%)23653(0.0%)

CPU Mark Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i9-9820X @ 3.30GHz
20,355
Intel Core i9-7920X @ 2.90GHz
23,653
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core i9-9820X @ 3.30GHz
47.7
Intel Core i9-7920X @ 2.90GHz
87.6
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i9-9820X @ 3.30GHz
2,457
Intel Core i9-7920X @ 2.90GHz
2,503
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 i9-9820X @ 3.30GHz Intel Core i9-7920X @ 2.90GHz
Max TDP165W140W
Power consumption per day (kWh)0.330.28
Running cost per day$0.083$0.070
Power consumption per year (kWh)120.5102.2
Running cost per year$30.11$25.55
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.