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CPU Benchmarks

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AMD Ryzen 7 7840HX vs Intel i9-14900HX

The AMD Ryzen 7 7840HX is newer than Intel Core i9-14900HX, while the multi-threaded (CPU Mark) is simliar, Intel Core i9-14900HX is around 12% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). 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 2317 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×Intel Core i9-14900HX+ ADD
Price Search Online Search Online
Socket TypeFL1FCBGA1964
CPU ClassDesktop, LaptopLaptop
Clockspeed2.9 GHz2.2 GHz
Turbo SpeedUp to 5.1 GHzUp to 5.8 GHz
# of Physical Cores12 (Threads: 24)24 (Threads: 32)
CacheL1: 768KB, L2: 12.0MB, L3: 64MBL1: 2,176KB, L2: 32.0MB, L3: 36MB
TDP55W55W
Yearly Running Cost$10.04$10.04
OtherAMD Radeon 610MIntel UHD Graphics for 14th Gen Intel Processors
First Seen on ChartQ4 2024Q1 2024
# of Samples162301
CPU Value0.067.0
Single Thread Rating(% diff. to max in group)3778(-12.1%)4300(0.0%)
CPU Mark(% diff. to max in group)43355(-4.8%)45522(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of March 2025 - Higher results represent better performance
AMD Ryzen 7 7840HX
43,355
Intel Core i9-14900HX
45,522
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 13th of March 2025 - Higher results represent better value
AMD Ryzen 7 7840HX
NA
Intel Core i9-14900HX
67.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 13th of March 2025 - Higher results represent better performance
AMD Ryzen 7 7840HX
3,778
Intel Core i9-14900HX
4,300
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 Intel Core i9-14900HX
Max TDP55W55W
Power consumption per day (kWh)0.110.11
Running cost per day$0.028$0.028
Power consumption per year (kWh)40.140.1
Running cost per year$10.04$10.04
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.