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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 7 7840HX vs Ryzen 9 7950X vs Ryzen 9 7900X vs Ryzen 7 3700X

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 30733 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 7950X×AMD Ryzen 9 7900X×AMD Ryzen 7 3700X+ ADD
Price Search Online $498.22 - BUY $379 - BUY $104 - BUY
Socket TypeFL1AM5AM5AM4
CPU ClassDesktop, LaptopDesktopDesktopDesktop
Clockspeed2.9 GHz4.5 GHz4.7 GHz3.6 GHz
Turbo SpeedUp to 5.1 GHzUp to 5.7 GHzUp to 5.6 GHzUp to 4.4 GHz
# of Physical Cores12 (Threads: 24)16 (Threads: 32)12 (Threads: 24)8 (Threads: 16)
CacheL1: 768KB, L2: 12.0MB, L3: 64MBL1: 1,024KB, L2: 16.0MB, L3: 64MBL1: 768KB, L2: 12.0MB, L3: 64MBL1: 512KB, L2: 4.0MB, L3: 32MB
TDP55W170W170W65W
Yearly Running Cost$10.04$31.03$31.03$11.86
OtherAMD Radeon 610MAMD Radeon GraphicsAMD Radeon Graphics
First Seen on ChartQ4 2024Q3 2022Q3 2022Q3 2019
# of Samples145604469020425
CPU Value0.0125.7136.0216.4
Single Thread Rating(% diff. to max in group)3752(-12.2%)4274(0.0%)4248(-0.6%)2658(-37.8%)
CPU Mark(% diff. to max in group)43193(-31.1%)62649(0.0%)51562(-17.7%)22510(-64.1%)

CPU Mark Rating
As of 26th of January 2025 - Higher results represent better performance
AMD Ryzen 7 7840HX
43,193
AMD Ryzen 9 7950X
62,649
AMD Ryzen 9 7900X
51,562
AMD Ryzen 7 3700X
22,510
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of January 2025 - Higher results represent better value
AMD Ryzen 7 7840HX
NA
AMD Ryzen 9 7950X
125.7
AMD Ryzen 9 7900X
136.0
AMD Ryzen 7 3700X
216.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of January 2025 - Higher results represent better performance
AMD Ryzen 7 7840HX
3,752
AMD Ryzen 9 7950X
4,274
AMD Ryzen 9 7900X
4,248
AMD Ryzen 7 3700X
2,658
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.
AMD Ryzen 7 7840HX AMD Ryzen 9 7950X AMD Ryzen 9 7900X AMD Ryzen 7 3700X
Max TDP55W170W170W65W
Power consumption per day (kWh)NANANANA
Running cost per dayNANANANA
Power consumption per year (kWh)NANANANA
Running cost per yearNANANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.