Terrible Performance in MC java

[CopiWasTaken]

Hey everyone, I've been getting terrible FPS in minecraft java edition(13-35, highest ever was 100 staring at the void with lowest possible graphics) and lag spikes which get unplayable with 2 mods that aren't even that intensive(orespawn and better enchanting 1.7)I have graphics at fast, and all animations off, FPS capped at 60, I've done a fresh install of windows which helped a small bit, reinstalls of MC, setting priority to real time, even putting render distance to 2 chunks, using different MC clients, many different versions of optifine although I have yet to try fastcraft. My laptop is 4K, but it makes no difference when using my 1080p monitor. The main isssues seem to be loading chunks and entities(i.e. on a large server like Hypixel on which I spend most of my time), and my GPU usage from MC is 70-100%, whereas CPU and memory are at about 20 percent, and I get normal performance in other games such as roblox(there are half decent FPS games on there) so its not something bottlenecking my performance.I get more FPS in windowed mode and before the fresh OS install playing without windowed mode was near impossible(5fps) In addition, my friend who has a bit of a potato of a PC(I5-3300S and HD 2000) gets 80 on average with a much higher render distance and fancy graphics. My specs are

Laptop: HP Spectre x360 13t 2018 model

CPU: Core i7-8565U)1235 in cine r20)

GPU: UHD 620

RAM: 16 gigs of DDR4-2400 sodimms 2x8

Win version: 1909 64 bit 19363.959

My laptop has pretty bad cooling due to it being very thin and it most likely thermal throttles.

Any help is extremely appreciated, since me and my friend have been trying to fix this for weeks now, and I can't really play a lightly modded survival that I've no joke wanted to do for 6 years.( I was like 7 and didnt have a computer nor any knowledge of computers beyond using a browser)

[PorkishPig]

15 minutes ago, CopiWasTaken said:

My laptop is 4K, but it makes no difference when using my 1080p monitor.

This doesn't sound right. Send over screenshots of the F3 debug menu, one while using your laptop display and one while using external monitor.

7 minutes ago, CopiWasTaken said:

PC(I5-3300S and HD 2000) gets 80 on average with a much higher render distance

I used to play Minecraft on a HD 2000. The only time I saw anything close to 80FPS was on 4 chunks with Optifine.

[CopiWasTaken]

Just now, BlueScope819 said:

it's because uhd graphics is a joke thats normal lol

not 15 fps with 2 render distance

[CopiWasTaken]

1 minute ago, PorkishPig said:

This doesn't sound right. Send over screenshots of the F3 debug menu, one while using your laptop display and one while using external monitor.

I used to play Minecraft on a HD 2000. The only time I saw anything close to 80FPS was on 4 chunks with Optifine.

i actually got his GPU wrong, its HD 4000 sorry I just checked with him.

[CopiWasTaken]

36 minutes ago, PorkishPig said:

This doesn't sound right. Send over screenshots of the F3 debug menu, one while using your laptop display and one while using external monitor.

I used to play Minecraft on a HD 2000. The only time I saw anything close to 80FPS was on 4 chunks with Optifine.

[CopiWasTaken]

Just now, CopiWasTaken said:

top one is integrated display, 2nd one is monitor and the lower FPS on that may be due to MC thinking its more like a 4k monitor than 1080p, and Lunar client is less laggy than badlion but I prefer badlion due to it not hiding far entities in lobbies which makes dragon bossfights very annoying if you can't see it from more than 3 chunks away.

[CopiWasTaken]

24 minutes ago, BlueScope819 said:

you never said that in your OP

Sorry I forgot to mention that the 15fps part was with two mods and I should have been specific and said the the average FPS I get is 15, I will get a screenshot in a minute if you'd like as proof but forge really doesnt want to start up so I'm troubleshooting that rn

[PorkishPig]

6 minutes ago, CopiWasTaken said:

top one is integrated display, 2nd one is monitor and the lower FPS on that may be due to MC thinking its more like a 4k monitor than 1080p, and Lunar client is less laggy than badlion but I prefer badlion due to it not hiding far entities in lobbies which makes dragon bossfights very annoying if you can't see it from more than 3 chunks away.

That's exactly what I was trying to figure out. Both of your monitors are rendering the game at 3840x2041. A UHD 620 will not be able to handle that resolution. Try changing the resolution in launch options to 1920x1080, and use exclusively your secondary monitor.

[CopiWasTaken]

1 minute ago, PorkishPig said:

That's exactly what I was trying to figure out. Both of your monitors are rendering the game at 3840x2041. A UHD 620 will not be able to handle that resolution. Try changing the resolution in launch options to 1920x1080, and use exclusively your secondary monitor.

Thanks, I'll try that!

[CopiWasTaken]

30 minutes ago, PorkishPig said:

That's exactly what I was trying to figure out. Both of your monitors are rendering the game at 3840x2041. A UHD 620 will not be able to handle that resolution. Try changing the resolution in launch options to 1920x1080, and use exclusively your secondary monitor.

It worked, I put it at 720p and Im getting more like 45-50 FPS in bedwars, I feel like a clown not thinking about doing this lol, thanks so much.

[CopiWasTaken]

@PorkishPig I'm really sorry to bother you again, but after closing minecraft and restarting it it went right back to 4330x2245 and my display turns off when I close minecraft and the only way for it to work with windows is to restart my PC which is very annoying to do everytime I want to do something else and not leave minecraft open.

[PorkishPig]

12 minutes ago, CopiWasTaken said:

@PorkishPig I'm really sorry to bother you again, but after closing minecraft and restarting it it went right back to 4330x2245 and my display turns off when I close minecraft and the only way for it to work with windows is to restart my PC which is very annoying to do everytime I want to do something else and not leave minecraft open.

You can run in fullscreen and set the Fullscreen Resolution to 1280x720 in Video Settings instead. Alternatively, you can lower the resolution of your secondary display to 1920x1080 or 1280x720 in Display settings (Win+R, enter ms-settings:display into Run). Your 620 should be able to handle 1920x1080 if you use OptiFine.

[CopiWasTaken]

9 minutes ago, PorkishPig said:

You can run in fullscreen and set the Fullscreen Resolution to 1280x720 in Video Settings instead. Alternatively, you can lower the resolution of your secondary display to 1920x1080 or 1280x720 in Display settings (Win+R, enter ms-settings:display into Run). Your 620 should be able to handle 1920x1080 if you use OptiFine.

Thanks so much! I get a sold 144fps now! I can't say how grateful I am!