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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-7820X vs i7-9800X

The Intel Core i7-9800X @ 3.80GHz is newer than Intel Core i7-7820X @ 3.60GHz also around 5% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i7-9800X @ 3.80GHz 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 1388 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 i7-7820X @ 3.60GHz×Intel Core i7-9800X @ 3.80GHz+ ADD
Price Search Online $334.58 - BUY
Socket TypeFCLGA2066FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.6 GHz3.8 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.5 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 8.0MB, L3: 11MBL1: 512KB, L2: 8.0MB, L3: 17MB
TDP140W165W
Yearly Running Cost$25.55$30.11
Other
First Seen on ChartQ2 2017Q4 2018
# of Samples1142246
CPU Value35.154.1
Single Thread Rating(% diff. to max in group)2524(-1.9%)2572(0.0%)
CPU Mark(% diff. to max in group)17148(-5.2%)18091(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core i7-7820X @ 3.60GHz
17,148
Intel Core i7-9800X @ 3.80GHz
18,091
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Core i7-7820X @ 3.60GHz
35.1
Intel Core i7-9800X @ 3.80GHz
54.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core i7-7820X @ 3.60GHz
2,524
Intel Core i7-9800X @ 3.80GHz
2,572
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 i7-7820X @ 3.60GHz Intel Core i7-9800X @ 3.80GHz
Max TDP140W165W
Power consumption per day (kWh)0.280.33
Running cost per day$0.070$0.083
Power consumption per year (kWh)102.2120.5
Running cost per year$25.55$30.11
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.