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The problem I have have is how much power the triple lens system uses. Camera is the one place battery drain is heavier compared to my XS for sure.
Yeah, that may happen. I was actually astonished at how good the battery life of my Xʀ is when using the camera. It didn’t drop too much compared to my regular use, whereas my 6s on iOS 9 would plummet. My 7+’s camera was broken, but I can guarantee that the battery life of both the 5s on iOS 8 and the 6s on iOS 9 plummets whilst using the camera.
Perhaps they couldn’t optimise it enough.
 
Battery drain test on YouTube. Started video at summary.



1. iPhone 11 Pro Max - 7:46:20
2. iPhone 11 Pro - 7:31:56
3. iPhone XR - 6:39:05
4. iPhone 11 - 6:34:05
5. iPhone XS Max - 5:59:18
6. iPhone X - 6:02:01
7. iPhone 8+ - 5:22:10

Of course, these times are for comparison purposes. Real drain times are going to differ for users as the power requirements of each app is not going to be constant.
 
Battery drain test on YouTube. Started video at summary.



1. iPhone 11 Pro Max - 7:46:20
2. iPhone 11 Pro - 7:31:56
3. iPhone XR - 6:39:05
4. iPhone 11 - 6:34:05
5. iPhone XS Max - 5:59:18
6. iPhone X - 6:02:01
7. iPhone 8+ - 5:22:10

Of course, these times are for comparison purposes. Real drain times are going to differ for users as the power requirements of each app is not going to be constant.
I don’t think they’re accurate, because these tests aren’t real world use. I have seen many tests reach to conclusions that differed a lot from my own, comparing real world usage in exact or very similar conditions. My results have been a lot closer to what users posted on MacRumors before, so I try to have as much data as possible here.
I’ve looked at several of those videos for every iPhone I have used and the conclusions they reach are either completely wrong, or misleading. This was my experience. Obviously, your mileage may vary.
 
I don’t think they’re accurate, because these tests aren’t real world use. I have seen many tests reach to conclusions that differed a lot from my own, comparing real world usage in exact or very similar conditions. My results have been a lot closer to what users posted on MacRumors before, so I try to have as much data as possible here.
I’ve looked at several of those videos for every iPhone I have used and the conclusions they reach are either completely wrong, or misleading. This was my experience. Obviously, your mileage may vary.

These tests are not meant to demonstrate what a real world usage would be like. They are meant to compare each phone against the others by performing the exact same actions on each. I suggest watching the video from the start to get a better understanding of the test.
 
These tests are not meant to demonstrate what a real world usage would be like. They are meant to compare each phone against the others by performing the exact same actions on each. I suggest watching the video from the start to get a better understanding of the test.
I know, I watched a lot of these tests. They may be inaccurate because chip and efficiency improvements might be better suited for lighter or heavier load. When translating that to real world usage, the difference may not be as significant.
Now, I have found that these tests are spot on when comparing the same device on different iOS versions. As it is the same device, the drops in battery life that you see when you update are more or less the same you see when testing real world use. Or so I’ve found. Again, your mileage may vary.
 
I know, I watched a lot of these tests. They may be inaccurate because chip and efficiency improvements might be better suited for lighter or heavier load. When translating that to real world usage, the difference may not be as significant.
Now, I have found that these tests are spot on when comparing the same device on different iOS versions. As it is the same device, the drops in battery life that you see when you update are more or less the same you see when testing real world use. Or so I’ve found. Again, your mileage may vary.
Yet these tests show different mix of usage and different tasks (they are not identical), but they have very similar results when comparing the same iPhone models. In other words, you’ll get more battery life out of the 11 Pro models than the XS models. That’s for sure.
 
Yet these tests show different mix of usage and different tasks (they are not identical), but they have very similar results when comparing the same iPhone models. In other words, you’ll get more battery life out of the 11 Pro models than the XS models. That’s for sure.
Yep, you’re right. More, definitely. I would say that how much, it depends on your usage.
 
I know, I watched a lot of these tests. They may be inaccurate because chip and efficiency improvements might be better suited for lighter or heavier load. When translating that to real world usage, the difference may not be as significant.
Now, I have found that these tests are spot on when comparing the same device on different iOS versions. As it is the same device, the drops in battery life that you see when you update are more or less the same you see when testing real world use. Or so I’ve found. Again, your mileage may vary.

Sure, but differences in chip and overall efficiency is part of the test. This is why these tests typically do not perform the same action in a loop. Again, I agree these are not translatable to real world usage. But these tests are accurate enough to be a guide for folks like the OP who are asking specific comparison questions. Frankly, I trust this kind of test a heck of a lot more than anecdotal posts on a forum.

But to each their own.
 
Yeah, that may happen. I was actually astonished at how good the battery life of my Xʀ is when using the camera. It didn’t drop too much compared to my regular use, whereas my 6s on iOS 9 would plummet. My 7+’s camera was broken, but I can guarantee that the battery life of both the 5s on iOS 8 and the 6s on iOS 9 plummets whilst using the camera.
Perhaps they couldn’t optimise it enough.
I remember the days of the 5S and 6 series. Those were the sappy days for sure...
 
Sure, but differences in chip and overall efficiency is part of the test. This is why these tests typically do not perform the same action in a loop. Again, I agree these are not translatable to real world usage. But these tests are accurate enough to be a guide for folks like the OP who are asking specific comparison questions. Frankly, I trust this kind of test a heck of a lot more than anecdotal posts on a forum.

But to each their own.
Absolutely. I’m not more trustworthy than a test performed like that. I don’t claim to be, either. I’m just saying that, in my experience, they aren’t translatable to real world use. I think we agree on that👍🏻.
 
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Battery drain test on YouTube. Started video at summary.



1. iPhone 11 Pro Max - 7:46:20
2. iPhone 11 Pro - 7:31:56
3. iPhone XR - 6:39:05
4. iPhone 11 - 6:34:05
5. iPhone XS Max - 5:59:18
6. iPhone X - 6:02:01
7. iPhone 8+ - 5:22:10

Of course, these times are for comparison purposes. Real drain times are going to differ for users as the power requirements of each app is not going to be constant.

Only the new phones have 100% health. In reality the difference might be a lot lower if this test were to be done with fresh batteries for old phones.
 
Only the new phones have 100% health. In reality the difference might be a lot lower if this test were to be done with fresh batteries for old phones.

That's true. iPhone XS Max started out at 94% max capacity. X at 93% and 8+ at 97%. So.....rough math would say add approx. 27 minutes for a fresh X and XS Max battery, and about 10 minutes for a fresh 8+.
 
That's true. iPhone XS Max started out at 94% max capacity. X at 93% and 8+ at 97%. So.....rough math would say add approx. 27 minutes for a fresh X and XS Max battery, and about 10 minutes for a fresh 8+.

It doesn't work like that. Degradation isn't linear. In my experience with iOS devices by the time a device reaches 93-94% it really has lost 15-20% of its capacity when new. The Battery Health feature is misleading and plain wrong.
 
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It doesn't work like that. Degradation isn't linear. In my experience with iOS devices by the time a device reaches 93-94% it really has lost 15-20% of its capacity when new. The Battery Health feature is misleading and plain wrong.

Anecdotal experience is even less reliable, imo.
 
Went from XS Max to Pro Max. XS Mas off charger at 6 am on work days. Heavy usage texts/calls/emails. Get home around 5 pm with about 40% still left. On pro max....wow just wow. Same time off charger get home at 5pm with about 70% battery still left. I believe with iOS 13 its doing good for battery life. I'm just amazed how great the battery life is on pro max. Been owning an iPhone since 4S.
 
Update: My iPhone 11 Pro was stuck finishing iCloud updates, so I logged out, back in, then slowly went through as much as possible to see what was happening. Apparently, Siri and iCloud photos were stuck, so I turned it off, reset settings, then back on.

Long story short, my iPhone 11 Pro is showing amazing battery compared to my XS. Browsing, YouTube, even games last longer. I’ve used my phone for 5 & 1/2 hours doing various tasks and it’s only at 61%. Finally, an iPhone that lasts. Now I have to decide if I only want to return it for the bigger phone lol.

P.S: Keep your phone plugged in as much as possible the first day or so (and check syncing with iCloud). It really does take awhile to index information.
 
AnandTech found significant differences in battery life, mostly consistent with Apple claims. In their web browsing wifi test, the XSM ran for 10.3 hours, compared to the 11PM at 15.6 hours.

I haven't got numbers, and it's hard to judge how much 13 is affecting my daily battery results, but my impression is that as great as the XSM was, the 11PM runs significantly longer in general mixed use.
 
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