On July 29, 2015 Windows 10 was released to the general public.
There are different upgrades in the form of 1903, 1909, 2004 and 20H2.
During Windows 10 updates there is morepower usageand lot of battery drain.
There is almost a reduction of 40 to 50% in the initial days.
The battery life of Windows 10 had the following benchmarks on different laptops.
The following battery life benchmarks were noticed in a gizmodo.com article for Windows 10.
Compared to Windows 8.1, these were little better.
So it should show better battery performance vs Windows 7.
Are you curious to know the speed benchmarks in theWindows 8 vs Windows 7 performancebattle?
See this infographic and get an answer!
The typical configuration looked like this.
This is because of extra power management features of the later.
It tested variety of laptops and compared Windows 7 SP1 & Windows 8 CP in terms of power consumption.
For the test they used 3 laptops.
The results were impressive from Windows 8 point of view when measured with the PCMark 7s Lightweight test.
The test didnt use Metro apps to make it a proper comparison with Windows 7.
These can drain lot of battery life if not stopped.
They run in the background without any user involvement.
Since Windows 7 does not have any apps concept, you are better at saving precious battery time.
But it is an outdated OS, which is less likely to have updates in the future.
Old Programs which install bloatware and adware can ruin the battery life.
In recent times, we could see the emergence of eigth generation i7, i5 processors.
In addition to that we have SSD (Solid State Drives) which have replaced HDD.
Updates also play a major role in battery life.
If wrong graphics driver is installed, it would take more power than usual.
This includes more powerful battery.
Just like your mobile phone, a more strong battery has more power and lasts long.
In the Windows 10 vs Window 7 battery struggle, one can check the benchmarks on similar hardware.
Then only you’re free to decide which OS is the best.
Most of the manufacturer of old hardware released Windows 7 drivers, but only some have given Windows 10.
A driver package for Windows 7 would not be optimized for Windows 10.
These such lot of battery life based upon the pop in of devices.
If you using cheap China gadget, they may work well.
But in the long run, battery life will not last long.
The jot down of web app you use also has an impact on battery life.
In Windows 10 you have Microsoft Edge which is more battery friendly and quick.
This is not supported in Windows 7.
The life-cycle of a battery is also important.
After 4 years or so, your battery may be dying.
Small prefs can have a huge boost on the battery time of a single session.
Low Power Saving 2.
Medium Power Saving 3.
Maximum Power Saving 4.
Using the Sleep option, you might set the hybrid sleep and hibernate after specified period of time.
This makes sure, that your laptop power is optimized when you are not using it.
A similar laptop with two different resolutions on the same OS, show markup difference in battery life timings.
Also Updates when installing put pressure on the CPU, which will take more power.
