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shaktimage

macrumors member
Original poster
Apr 18, 2009
72
4
Hi folks, i am going to buy an ipad for navigation purpose, on a sailboat. The ipad don't need to be very powerful, most important is the brightness, to be able to see something even during bright daylight.
So my choices (refurbished) are: ipad pro 9,7 2016 1st gen, or ipad 9.7 2018 6 gen. It seems that the ipad pro is brighter according to some comments on forums, what is your opinion?
i suppose the ipad pro is stronger too..? so probably more suitable for a sailboat (with a waterproof case of course)
 

shaktimage

macrumors member
Original poster
Apr 18, 2009
72
4
2018 is 600 nits, 2016 is 511 nits.
thank you for your comment, can you just explain a bit more, i do not understand which model you are referring to and what is "nits" Are you saying that whatever models it is better to get a 2018 models to get more "nits"(i suppose luminosity?)

So the regular ipad from 2018 (6 gen) would be brighter that the ipad pro 2016 (1st gen)???
 
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sparksd

macrumors G3
Jun 7, 2015
9,989
34,249
Seattle WA
thank you for your comment, can you just explain a bit more, i do not understand which model you are referring to and what is "nits" Are you saying that whatever models it is better to get a 2018 models to get more "nits"(i suppose luminosity?)

So the regular ipad from 2018 (6 gen) would be brighter that the ipad pro 2016 (1st gen)???

Nits is a unit of measurement that refers to the amount of light that is emitted from a surface or object. The higher the nits, the brighter it is. With a higher nits number, the 2018 model is brighter than the 2016.
 
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shaktimage

macrumors member
Original poster
Apr 18, 2009
72
4
it is actually quite confusing...
according to this review:
and this one

the ipad pro gen 1 is 432 nits and the ipad gen 6 is 489 nits... so the ipad gen 6 is brighter :)
 

PeteBurgh

macrumors 6502
Jun 25, 2014
289
663
Looking up the nits ratings of various displays is a helpful comparison, though I appreciate that it's an abstract number that can be hard to interpret.

Conditions are going to matter a lot here - if you have at least a little shade or it's often cloudy wherever you are in the world, you should be okay. However, almost any larger display is going to be difficult to read in very bright direct sunlight. There's a reason why instrument panels and displays in cards usually have a little lip or shade over them. It might be a situation where slightly modifying your environment will make much difference than buying a different product.

Heat is another thing to think about here. Depending on where you are in the world, a iPad may well overheat if it's being used in direct sunlight for long periods.

(For comparison, the modern iPhones - which are usable in direct sunlight - have 1,000+ nit ratings, and the latest Apple Watch Ultra can go all the way up to 3,000 for short periods.)
 

halledise

macrumors 68020
compare iPads


Screen Shot 2023-11-22 at 09.09.27.png
 

shaktimage

macrumors member
Original poster
Apr 18, 2009
72
4
Looking up the nits ratings of various displays is a helpful comparison, though I appreciate that it's an abstract number that can be hard to interpret.

Conditions are going to matter a lot here - if you have at least a little shade or it's often cloudy wherever you are in the world, you should be okay. However, almost any larger display is going to be difficult to read in very bright direct sunlight. There's a reason why instrument panels and displays in cards usually have a little lip or shade over them. It might be a situation where slightly modifying your environment will make much difference than buying a different product.

Heat is another thing to think about here. Depending on where you are in the world, a iPad may well overheat if it's being used in direct sunlight for long periods.

(For comparison, the modern iPhones - which are usable in direct sunlight - have 1,000+ nit ratings, and the latest Apple Watch Ultra can go all the way up to 3,000 for short periods.)
Thanks for your comments, yes i do have a lip as a sun protection in my home built support for the ipad (that is why i stick to 9.7' size) and it doesn't overheat but there are always lots of reflections of all sorts and it makes it difficult to see the screen. So more nits is better... seems like they are quite similar, the 2016 ipad a bit more bright than the ipad pro 1st gen...
 

PeteBurgh

macrumors 6502
Jun 25, 2014
289
663
yes i do have a lip as a sun protection in my home built support for the ipad (that is why i stick to 9.7' size) and it doesn't overheat but there are always lots of reflections of all sorts and it makes it difficult to see the screen.
Excellent. I would think you'd manage reasonably well with that.

The only other thing I'd wonder about is whether it's really necessary to buy such an old iPad. The 2016 iPad Pro no longer supports the latest OS, and the 2018 6th gen will head that way soon (I would guess next year).

As an alternative, the 9th generation iPad (2021 model) is currently on sale at $229 in the US. That's slightly brighter than both these older models, has newer hardware and will last far longer in term of software support. Unless these old iPads are an absolute steal (like $50-100), I would try to stretch to a newer model.
 

shaktimage

macrumors member
Original poster
Apr 18, 2009
72
4
Excellent. I would think you'd manage reasonably well with that.

The only other thing I'd wonder about is whether it's really necessary to buy such an old iPad. The 2016 iPad Pro no longer supports the latest OS, and the 2018 6th gen will head that way soon (I would guess next year).

As an alternative, the 9th generation iPad (2021 model) is currently on sale at $229 in the US. That's slightly brighter than both these older models, has newer hardware and will last far longer in term of software support. Unless these old iPads are an absolute steal (like $50-100), I would try to stretch to a newer model.
Thanks for your comment. In fact, i use this ipad only for navigation purpose only, so just a couple of apps (navionics and a tide and weather app) and then no more internet, no need update etc... Right now i am using an ipad air gen 1 and it is working just great. I need a second one as a back up and if possible with a brighter screen. I am in the west indies and i am finding ipads from french dealer at 175$ for the ipad gen6 refurbished... the ipad 9 cost 380$ refurbished... wish i was in the states!...
 
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