2012 late iMac i7 fails at rendering

2012 iMac i7 with hyperthreading takes 20+ minutes to render a 17gb raw file into h264 with Avidemux.

My A10-5800K quad core at stock settings takes 10 minutes.

The i7 should be destroy the AMD apu.

I haven't read about this problem anywhere else. Maybe Avidemux has problems with hyperthreading?

There is no bios and I don't think you can turn it off in EFI.

 

Well maybe no one understood the topic title but here's an update.

I played with the render settings in Avidemux, changing the CPU settings, but still no improvement. 20+ minute render with an i7 with hyperthreading is sad.

Then I used the same render settings with Handbrake and it took 4 minutes...

So clearly Avidemux is poorly coded. The Mountain Lion version sucks. I have an old version for Snow Leopard and an iMac Core 2 Duo renders only 6 minutes slower than the i7 did in Avidemux.

Avoid this program until they fix their problems.

 

No it has nothing to do with that.

An i7 with or without hyperthreading will easily beat an APU quad core or any i5 cpu. This was losing by a significant amount of time which makes no sense.

Avidemux for Mountain Lion is poorly coded plain and simple.

I didn't fuss with the Handbrake settings but it actually rendered the final product smaller with equal or better quality than Avidemux.

Avidemux on PC though works great.

 

That is beyond slow. Can you upload the file somewhere? 2.5gb isn't huge, I can give it a try. If your using any filters it could it slow.