There's nothing wrong with my laptop specifications, I run every version before 1.13 with over 80 fps with high graphics and no lag spikes whatsoever.
Yesterday, I've tried playing 1.13 and the experience was horrible. Every time I did something for example : break / place a block, run around, walk around, turn around, enter swimming mode, attack a mob / animal... my game would have a 2-3 second lag spike or a really bad frame drop (to 4-6 frames per second). I've tried playing in windowed, fullscreen and turning down the graphics to lowest and even allocating more ram. But unfortunately, nothing worked.
NOTE : This isn't just me but a plenty other friends of mine.
I have no clue what even could of caused that but whatever it was, it needs to be fixed.
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Your CPU does not meet the minimum system requirements to run Minecraft.
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Alright, what kind of CPU would you recommend me? 3.9GHz quad or will some overclocking be enough?
Also I highly doubt that it's my CPU since I run it in 100+ FPS when not moving and/or just walking around slowly.
Unfortunately, I cannot install the latest drivers but I've just done a clean install of the 391.78 driver (the driver I can install). I also reinstalled my Windows 7 64bit OS. Anything else that might improve performance other than that?
Now this is weird..
Here's another forced game crash:
[media]
All I did was: leave the game paused and wait 10 minutes.
I get 50-70% less lag spikes.
There is nothing we can do here.
Your CPU is too weak/slow for Minecraft 1.13, see the tickt time of ~2000 ms - everything over 50 ms indicates an overload.
I think there's a bug where block updates cause the whole chunk to redraw itself or something, but it hasn't been fixed. I think it's on the bug-tracker; I remember seeing something like it.
This is especially noticeable when pouring water over a wheat field; a lot of lag when before one of the pre-releases, no or barely any lag.
-TheCJBrine