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Graphics Cards: nVidia 6600 256MB vs. 6600GT 128MB

3 replies
Found 24th Apr 2007
I am considering purchasing either:-

XFX 128MB 6600GT (AGP)
XFX 256MB 6600 (AGP)

I run a dual-screen setup with resolutions 1680x1050 and 1280x1024. My current card (FX5200 128MB) cannot handle video scaling (very bad tearing), particularly on the higher res screen. I want a card that will scale video, including HD content, onto my screens without a problem. Benchmark tests show the 6600GT is the faster card but i am not concerned with 3D performance, I just want smooth video playback. I am edging towards the GT model but the 128MB concerns me as that is what my current card has so i wonder if that is the problem. Both the above cards cost almost exactly the same (£46 + P&P). I cannot find a 256MB version of the GT on sale anywhere but i would not want to pay much more anyway.

Any graphics card experts advice would be more than welcome. I am particularly keen to hear from anyone who may own either card.

4 Comments

I have a 6600GT and have a single monitor at 1280x1024 - it plays video fine including HD video. HD video does put a load on the CPU however - my AMD 64bit 3400+ processor is pretty much occupied playing HD content - I couldnt do much else with my PC without causing problems with the video - if you've got a dual screen setup and what HD content playing on one and using the other then your CPU may be struggling. More recent cards actually have functionality to take the load off the CPU.

If its a choice between the two I would def go for the GT - it wins all the benchmarks tests and the higher memory is mainly needed for larger textures etc in 3D environments something your not interested in.

Hope that helps.

Original Poster

Thanks for the reply Danny.

My processor is a P4 3.2 GHz so a little slower than yours. Maybe that could be the problem? I have just assumed it was the video card as my current card is pretty weak.

I have been leaning towards the GT model but the lack of memory worries me so i wanted to know from more informed people than myself that it wont be a problem.

I dont know how IT literate you are but open up task manager and watch some HD content and see what the processor utilisation looks like. It could well be strugling. If you've not used it before you access by pressing CTRL+ALT+DELETE together and then choosing task manager - the performance tab gives you a simple graphical representation of how busy your processor is - if it maxes out at all why watching the video it will judder etc.

Original Poster

bigdannyb

I dont know how IT literate you are but open up task manager and watch … I dont know how IT literate you are but open up task manager and watch some HD content and see what the processor utilisation looks like. It could well be strugling. If you've not used it before you access by pressing CTRL+ALT+DELETE together and then choosing task manager - the performance tab gives you a simple graphical representation of how busy your processor is - if it maxes out at all why watching the video it will judder etc.



I just did that after reading your first post! I work in computers so i know quite a bit - just not much about graphics cards as i dont play games on the PC.

My processor acts as 2 as its a "hyperthreader" so maybe performance would be better if i disabled this feature. Having said that i just watched some HD content on my high res screen and the CPU was only about 30% average spiking at about 50. I get weird lines (looks like sky analogue interference) when viewing full screen on the 1680x1050 resolution. I think i will play about with the settings a bit. Thanks for your help again.
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