Firefox 4 Hardware Acceleration is SLOWER!!

I don’t know what’s wrong but hardware acceleration is significantly slower for me.

I use this test to verify: Hardware Acceleration Stress Test.

With hardware acceleration enabled (checked via about:support): 3 FPS

Without hardware acceleration: 16 FPS

Neither one is great, but why is hardware acceleration so crappy?!


  Vendor:  nVidia Corporation
  Model:  GeForce 8400 GS
  2D driver:  nvidia
  3D driver:  NVIDIA 256.53

Processor (CPU)
   AMD Sempron(tm) Processor 3100+
  Speed:  1,808.55 MHz
  Temperature:  40 °C

openSUSE 11.3
KDE 4.4.4 

On the about:Support page under “GPU Accelerated Windows” it says 0/1 on my system so I think that means I don’t have hardware acceleration enabled. Still I am getting 60+fps on that page you linked to. Strange.

With 9800GTX (latest drivers) openSUSE x64 Firefox 4 RC and webgl.force.enabled and layers.acceleration.force both set to true I am getting about 25 FPS … with them false/off more than 60+ FPS. So I guess I am better off with’em turned off (0/1).

52 fps
on my G550 with it enabled

On 03/18/2011 02:36 AM, 6tr6tr wrote:
> Neither one is great, but why is hardware acceleration so crappy?!

this seems like a question best aimed at the Firefox developers…

i say that because here, i find that that Google Chrome is over three
times faster than Firefox, and both Opera and Konqueror are four times

i used to have IE4Linux but it is so butt-ugly i haven’t installed it
on this beautiful version of openSUSE…

anyway, it seems the Fox3 is a little piggy…

[NNTP posted w/openSUSE 11.3, KDE4.5.5, Thunderbird3.1.8, nVidia
173.14.28 3D, Athlon 64 3000+]
“It is far easier to read, understand and follow the instructions than
to undo the problems caused by not.” DD 23 Jan 11

I’ll submit a bug to mozilla.

60 FPS with default settings. If I change the setttings listed above my FPS drops to 30.

I’ll just leave things alone, they seem to be working just fine.

If it ain’t broke don’t fix it :peace:

I just looked in my browser settings without using about:config, just the browser options. Hardware acceleration is by default enabled where supported.

So it is likely that when folks force options in about:config they are actually doing more harm then good. :wink: