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[fabiands]

Hello everyone .

I am new in this forum, I want to say first of all that english is not my native language, but I'll try to explain my problem, so please have a little pattience.  

The problem is, every game I try to run in the emulator run slow , performance decreases from 100% to 45 % according to information showing the emulator window .

Here are the specs of my pc.

Processor: Intel Core 2 Quad Q9300 2.49Ghz

RAM: 6GB DDR3

GPU: GIGABYTE GeForce GT 630 2GB DDR3 810mhz (core clock)

Board: Asrock G41M-VS3 R2.0 (very bad i know)

I do not know if all these components games should run me well, or if my hardware is insufficient, or whether the problem is the configuration I have searched the net at several times and none has helped me.

I appreciate your help.

[NKF98]

it's a CPU bottleneck, you're going to have a hard time running games at full speed with those specs. You can try using the performance guide on the wiki

[Pit-O-Matic]

He should be able to get a good number of games at full speed, even some Wii games like Mario Kart Wii & Brawl.

Make sure you get the newest development build, NOT the stable one. https://dolphin-emu.org/download/list/master/1/

Under Graphics: Backend, choose the one which is faster for you, I think Nvidia likes OpenGL? Disable Vsync and anti-aliasing, Anisotropic Filtering on 1x under "hacks" enable all 3 options on top.
Texture cache on fast, and a check under XFB to disable it.

Under Audio:
HLE and a backend that works for you (Xaudio2 for me)

[admin89]

even some Wii games like Mario Kart Wii & Brawl.

I don't think so . Mario Kart Wii is GPU demanding game , his GPU won't cut it
His CPU is too slow for most games anyway
Overclocking will help but unlike modern CPUs , Overclocking Core 2 Quad is not safe due to BCLK (Base clock overclocking)

[Pit-O-Matic]

I don't know much about Nvidia, but isn't his card better than mine? I can play Mario Kart Wii in 60fps, it drops a lot of frames when choosing a cup and map but the races run perfectly.
I can play a majority of my games at full speed and very little to no drops even with my CPU, which by the looks of it, is an older version of his.

[admin89]

GTX 960 is high-end , your GPU is also high-end
GTX 750TI and AMD 7850 are mid-range
GTX 750 is low-mid range
GT 630 < GT 640 < GT 740 < GTX 745 < GTX 750

[Pit-O-Matic]

Ah, didn't know that, these numbers are all so damn confusing xD

[kirbypuff]

GTX 960 is high-end , your GPU is also high-end

It's a high-performance card, not high-end.

high-end = GTX980 / R9 290X

GTX980 > GTX970 > GTX960

[admin89]

High-end for Dolphin since it can handle 6xIR + AA in SMG
Yeah , i didn't believe it can do that (GTX 960's memory bandwidth is kinda low ) ...until i saw proof
Memory Bandwidth's law doesn't apply to Maxwell Version 2 due to their latest compression technology

[kirbypuff]

The R9 285 also has the color / bandwidth compression feature combined with much higher memory bandwidth / wider bus, and it's still a high-performance (not high-end) card.