Asus Radeon HD 7870 Minecraft 20-30 FPS?

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Matt Lawton

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Jan 9, 2014
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I have a Dell XPS 420, with an Intel core 2 duo processor, 3 GBs of DDR2 RAM, Windows 8 64 bit and an Nvidia quadro fx 580 GPU. I was getting a steady 60-80 FPS on Minecraft normal render distance, fancy graphics. I recently upgraded my graphics card to the Asus Radeon HD 7870 2gb. I can run games like Skyrim and Guild wars 2 in 1920x1080 and highest graphics for Skyrim, medium for Guild Wars 2.
However, in minecraft, on the settings I used to have, I now get an FPS of around 20-30, I have searched and found many people with this error and have not found a solution, Re-Installing minecraft, installing all updates for java ( 64 bit and 32 bit), uninstalling old graphics card drivers and tweaking things in AMD Catalyst. None of these have worked. This is very annoying and really want a fix.
 
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Brantyn Gerik

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Sep 18, 2013
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Minecraft is a very cpu intensive game (lol not really but it doesnt really touch your gpu at all). So your processor and slower speed ram are what is limiting your performance in minecraft. It's a sad realization, but it's just like no matter what gpu you have, minesweeper will only run at moderatly low, under 100fps :p

so yeah. The quadro you had before is more geared towards the kinds of things minecraft actually does use, and is why you were getting better performance with that than the newer radeon card.

This is the common problem i see with people trying to run minecraft with older processors....especially since you have an old enough system to have ddr2 ram. This setup is also a heavy bottleneck for your newer more powerful gpu (something like a newer i5 with this card could literally double your framerates in your skyrim and guild wars, (not to mention boost your minecraft to unreal fps). Not telling you to upgrade by any means, just pointing out what could be causing the fps drop
 
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Brantyn Gerik

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I literally just explained it. The quadro was more geared for what minecraft uses in a processor than your 7870. Minecraft uses a much different api from most games, and so will not run necessarily run faster just because you have bought a more powerful gaming card
 
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SpazCakez

SpazCakez

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Jan 9, 2014
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Hey, I am not sure why your Radeon would be dropping FPS so much. But like stated in another reply, Minecraft is CPU intensive game. That being said, there are ways to boost FPS +30 more than you already have using these tweaks and fixes.

Download these two programs.

http://www.minecraftforum.net/topic/939149-launcher-magic-launcher-125-mods-options-profiles-news/

http://www.minecraftforum.net/topic/249637-164-optifine-hd-c8-fps-boost-hd-textures-aa-af-and-much-more/


These will allow you to tweak your settings in more detail and allow for higher FPS.
 
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Matt Lawton

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I don't think the GPU is focusing on minecraft, when I'm playing, it says activity is about 20%. It doesn't put any effort into it because I think it might not think it's actually a game. I need help to fix that.

 
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Matt Lawton

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Thanks, I have Optifine installed but I will try Magic Launcher
 
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SpazCakez

SpazCakez

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No problem. Using Magic Launcher you will have many more in depth options to boost your FPS even on systems without GPUs. It focuses more on tweaking the settings witch are most CPU intensive.
 
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Matt Lawton

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Thanks for all the help guys! Finally fixed it! Running at 60-80 fps Fancy Graphics and Far render distance! I set up a profile in AMD Catalyst for javaw and ticked the box in the minecraft launcher for Java Executable because it was showing javaw in the same location that I added a profile for, no idea what it did but it helped. Probably going to get a new motherboard, processor and RAM (8gb DDR3) when I have enough money to improve performance on more games, minecraft included. I'll try magic launcher too. Thanks! :pt1cable:
 
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SpazCakez

SpazCakez

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Glad you got it figured out. Happy crafting!

 
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toby124

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May 29, 2012
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Quadro cards are specifically designed for business applications, for example CAD and fluid dynamics simulators. All these programs use OpenGL for 3D graphics processing. They also often require a large amount of double precision calculations for these simulations, instead of the single-precision calculations used in 3D rendeing. This is what a Quadro card is designed to do. Most modern games use DirectX, which is what cards such as your new Radeon are meant for, using DirectX to render extremely complex scenes fast. Minecraft uses OpenGL. Make sense?
this isnt to say the radeon card should be incapable of absolutely destroying minecraft in terms of FPS and getting 100s, but im just saying that the quadro would run it really efficiently in comparison. The FPS drop you encountered is almost certainly to do with your ageing hardware. Do your beefy GPU a favour and get it a Haswell i5 and 8GB of DDR3 RAM to play with, or the money you put into your card is wasted
 
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