I disagree look at this video by Linus. Before you say it's an "Apple Centric channel", Linus Tech Tips does not lick Apple's ass.
The MacBook Pro M1 got 22 hrs in the video playback test. Video starts at battery test.
Now as for that list.
The number 1 is
Dell Latitude 9510
18:17
SPECIFICATIONS
Display: 15-inch, 1920 x 1080
CPU: Up to Intel Core i7-10810U vPro CPU
Weight: 3.7 pounds
battery size: 86.3mah
The link below shows the Dell Latitude having a 86.3mah battery and it has a 1080p display. So no wonder the
Dell Latitude is first.
source:
The Dell Latitude 9510 2-in-1 delivers great performance, fantastic audio, and nearly all-day battery life inside an otherwise no-nonsense business notebook.
www.pcworld.com
The number 2 is
2. Dell Latitude 9410 2-in-1
16:54
SPECIFICATIONS
Display: 14-inch, 1920 x 1080
CPU: Up to Intel Core i7-10610U vPro CPU
Weight: 3 pounds
battery size: 78mah
This 14" latitude has a 78mah battery and it too has a 1080p display. The link below shows the battery size source.
source for battery size:
Last year's Latitude 7400 2-in-1 was already excellent, so why mess with a good thing? The Latitude 9410 2-in-1 doesn't bring anything new from a visual standpoint, but some users might appreciate the newer Comet Lake-U CPU options and Wi-Fi 6 connectivity.
www.notebookcheck.net
The number 3 is
3. Asus ExpertBook B9450
16:42
SPECIFICATIONS
Display: 14-inch, 1920 x 1080
CPU: Up to Intel Core i7-10510U CPU
Weight: 2.2 pounds
battery: 66mah
This is also a 1080p laptop and has a 66mah battery.
source for battery size:
https://www.zdnet.com/product/asus-expertbook-b9450/
The number 4 is
4. Apple MacBook Pro (13-inch, M1, 2020)
16:32
SPECIFICATIONS
Display: 13.3-inch, 2560-by-1600p
CPU: Apple M1 CPU
Weight: 3 pounds
battery size: 58mah
The MBP M1 laptop has a 2560-by-1600p display and not a measly 1080p and has the smallest battery size 58mah compared to the laptops mentions above.
What if the M1 MBP had a 1080p and a 78mah battery? it would have MUCH higher battery life compared to the laptops above.
source for battery size:
https://www.apple.com/macbook-pro-13/specs/
Nope all I am stating are facts. The laptops in list that are top 3 have 1080p displays and have a MUCH bigger battery capacity than M1 MBP 13" which has a 2560-by-1600p display and a 58mah battery.
If the 16" MBP had the M1 and with it's 99mah battery it would easily have the best battery life of any laptop even with a 3072‑by‑1920 display.
The M1 is built on TSMC's 5nm node currently that is most efficient node available. After that it is the AMD 5000 series and AMD CPUs are built on the 7nm node.
Also keep in mind macOS Big Sur does not have low power mode. Later this year macOS 12 will be getting low power mode and that will also increase the M1 MBP battery life