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AMD Ryzen 7 7840U vs Intel i7-4790K

The AMD Ryzen 7 7840U is newer than Intel Core i7-4790K @ 4.00GHz and is significantly faster in multi-threaded (CPU Mark) testing, it is around 31% faster in single-thread testing. However, AMD Ryzen 7 7840U uses substantially less power. The CPUs selected in this comparison belong in different CPU Classes: Laptop, Desktop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 22800 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 7840U×Intel Core i7-4790K @ 4.00GHz+ ADD
Price Search Online $98.96 - BUY
Socket TypeNA2LGA1150
CPU ClassLaptopDesktop
Clockspeed3.3 GHz4.0 GHz
Turbo SpeedUp to 5.1 GHzUp to 4.4 GHz
# of Physical Cores8 (Threads: 16)4 (Threads: 8)
CacheL1: 512KB, L2: 8.0MB, L3: 16MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP30W88W
Yearly Running Cost$5.48$16.06
Otherw/ Radeon 780M Graphics
First Seen on ChartQ2 2023Q2 2014
# of Samples29622504
CPU Value0.081.5
Single Thread Rating(% diff. to max in group)3599(0.0%)2466(-31.5%)
CPU Mark(% diff. to max in group)24975(0.0%)8066(-67.7%)
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 8th of November 2024 - Higher results represent better performance
AMD Ryzen 7 7840U
24,975
Intel Core i7-4790K @ 4.00GHz
8,066
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 8th of November 2024 - Higher results represent better value
AMD Ryzen 7 7840U
NA
Intel Core i7-4790K @ 4.00GHz
81.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 8th of November 2024 - Higher results represent better performance
AMD Ryzen 7 7840U
3,599
Intel Core i7-4790K @ 4.00GHz
2,466
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 7840U Intel Core i7-4790K @ 4.00GHz
Max TDP30W88W
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.