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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 7 7840HX vs Ryzen 9 5900X

The AMD Ryzen 7 7840HX is newer than AMD Ryzen 9 5900X, while AMD Ryzen 9 5900X is around 7% faster in multi-threaded (CPU Mark) testing, but AMD Ryzen 7 7840HX is around 13% faster in single-thread testing. However, AMD Ryzen 7 7840HX uses substantially less power. The CPUs selected in this comparison belong in different CPU Classes: Desktop, Laptop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 16482 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.

×AMD Ryzen 7 7840HX×AMD Ryzen 9 5900X+ ADD
Price Search Online $226.98 - BUY
Socket TypeFL1AM4
CPU ClassDesktop, LaptopDesktop
Clockspeed2.9 GHz3.7 GHz
Turbo SpeedUp to 5.1 GHzUp to 4.8 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 768KB, L2: 12.0MB, L3: 64MBL1: 768KB, L2: 6.0MB, L3: 64MB
TDP55W105W
Yearly Running Cost$10.04$19.16
OtherAMD Radeon 610M
First Seen on ChartQ4 2024Q4 2020
# of Samples116481
CPU Value0.0172.3
Single Thread Rating(% diff. to max in group)3968(0.0%)3470(-12.6%)
CPU Mark(% diff. to max in group)36191(-7.5%)39115(0.0%)

CPU Mark Rating
As of 15th of November 2024 - Higher results represent better performance
AMD Ryzen 7 7840HX
36,191
AMD Ryzen 9 5900X
39,115
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 15th of November 2024 - Higher results represent better value
AMD Ryzen 7 7840HX
NA
AMD Ryzen 9 5900X
172.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 15th of November 2024 - Higher results represent better performance
AMD Ryzen 7 7840HX
3,968
AMD Ryzen 9 5900X
3,470
PassMark Software © 2008-2024
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.
AMD Ryzen 7 7840HX AMD Ryzen 9 5900X
Max TDP55W105W
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.