Well you can see it, and if you can find an older smartphone with /e/ you can compare
I dont have older /e/ smartphones. 
Can you make a video with an external camera?
Maybe /e/ is basically slow on the FP3, but nobody knows because there is no comparison to the older FP2. But would the e.foundation then sell devices with it?
Sorry I dont have time to make and post a video but I have reported a bugreport and I will try to get the log, and then we will see what /e/ team says. What I can share is the memory app usage, about 50% used, I donāt know if it is a normal use :
On a linux system is the best memory usage full memory usage.
So after some investigations I have found the solution ! In fact it is the āAnimator duration scaleā which is slow !
So go in Settings > System > Developper options and click on āAnimator duration scaleā and select the " .5x " speed (instead of 1x) go in the File app and you will see that it is really faster !
If you do the same with āWindow animation scaleā and āTransition animation scaleā it will also be a little bit much faster, but not so much.
Iām proud to have found the FP3 Beast Mode ! 
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So, can you confirm your phone is now, say, as fast as the FP2?
Indeed that is a serious point for meā¦ For instance, OsmAnd reacts honestly when moving around?
Thank you -your experience is essential!!
HervƩ
I just tried out these settings and I honestly canāt say I notice any difference. But then my FP3 didnāt feel slow in the first place. Do you have a large number of files on your phone (SD card)?
Clearly the display of the new Screens/Windows (in fact the duration of the āanimationā) is super fast when the animation duration is set at .5x speed, even faster than the standard configuration than the FP2. I recommend to keep Window and Transition animation at 1x speed.
So what I noticed is that the Display of the standard configuration of the FP3 is slower than the one of the FP2. Note that it doesnāt answer to your question : faster or slower.
FP3 is clearly more powerful, released 4 years after FP2, 4go RAM, a well balanced CPU, currently I donāt have a real feedback on heat and battery drain (my major complain of FP2) when you use a consuming app (games in my case).
I have /e/ on my backup Fairphone 2 now, too, and comparing with the Fairphone 3 I canāt confirm the problem.
But itās good to know thereās some setting which could help 
.
OsmAnd works totally fine on both phones for me.
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Yes I have a lot of files on my FP3, not on the my SDcard but it seems the same.
Unfortunately I canāt upload my video where you can really see the difference !
Are you using /e/ on your FP3 ? It is possible that on Fairphone OS it may be faster than /e/.
Yes, I tried with /e/ on my FP3.
Like AnotherElk said: maybe not a general problem but good to know there are settings one can try if and when it happens.
As I said in my initial thread, it is slightly slower, but in my case I use the FP2 launcher app and in this case there is clearly a king of āslow motionā animation.
I think what the OP did compare is (1) FP3 with /e/ vs (2) FP2 with Fairphoneās own OpenOS (which is the one I have).
My concern is, I wouldnāt buy /e/-based FP3s it they appear slower than OpenOS-FP2sā¦
Fairphoneās OpenOS did rock on FP2sā¦
Judging by the video given in https://gitlab.e.foundation/e/backlog/-/issues/1274
@Alt0216: Could this be the āScreen lag when unpluggedā issue?
Could you check the animation on the 1x setting while charging the phone? ā¦
https://gitlab.e.foundation/e/backlog/-/issues/1245
@Alt0216: Which OS are you comparing with on the Fairphone 2?
I have eelo installed on both my FP2 and FP3.
Plugged or unplugged, with a standard 1A or the Fairphone quick charger, still the same speed.
As mentioned in the second thread, this is the UI (User Interface I guess) which is slower/laggy not the phone itself, and it can be solved by changing the Animator duration speed.
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I also have the screen lag issue, since I installed /e/ on my FP3.
Is there already a solution or work-around for this problem?
The work-around of @Alt0216 doesnāt work for meā¦
EDIT:
I solved the problem with the help of the official FP forum.
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I also experience a non smooth behavior when not connected to charger. For example on webpages then scrolling it is not smooth. When connecting to charger it isā¦
Hi guyz,
Be aware that as per the last OTA update (26/06/20) I donāt have anymore slowness effects ! Itās fast and itās good !
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