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Old 08-30-09, 11:34 AM   #37
Sky777
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Default Re: Pure video = VDPAU ?

but currently I recommend you to buy PCI card based on G96 (not G98) - because my PCI G98 Spakle 8400 card can't do temporal + skip chroma filter
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Old 08-30-09, 12:53 PM   #38
P.Kosunen
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Default Re: Pure video = VDPAU ?

But then you have performance problem with MPEG2/VC-1 decoding?
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Old 08-30-09, 01:33 PM   #39
Sky777
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Default Re: Pure video = VDPAU ?

no any problem with 576i mpeg2 video at all

I meant the 1080i h264 video with active temporal deinterlacing. Yes - in this case I have some problem with video
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Last edited by Sky777; 08-30-09 at 01:34 PM. Reason: add
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Old 08-30-09, 02:17 PM   #40
hl_
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Default Re: Pure video = VDPAU ?

Quote:
Originally Posted by ticket View Post
Oldest PC, running Ubuntu 9.04:
- Intel P4 1.5GHz
- 512MB RAM
- GeForce 6200 PCI, 180.44 nVidia driver
- 1440x900 LCD monitor

Somewhat newer PC, running Windows XP SP3:
- AMD Sempron 3400+ 1.8GHz
- 512MB RAM
- GeForce 6150LE, HyperTransport, integrated
- 1024x768 LCD monitor

The machines are not wildly different in their specs. The Windows graphics card may have the edge on bus bandwith, but its fill rate is less than the 6200 on Jaunty:
No. They ARE wildly different. The Pentium 4 machine is a lot slower, especially when it comes to SIMD-heavy stuff, like video decoding. Please don't draw false conclusions from useless comparisons like these.

The Sempron should perform close to a Pentium 4 at 3 GHz.
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Old 08-30-09, 04:19 PM   #41
ticket
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Default Re: Pure video = VDPAU ?

Quote:
Originally Posted by hl_ View Post
No. They ARE wildly different. The Pentium 4 machine is a lot slower, especially when it comes to SIMD-heavy stuff, like video decoding. Please don't draw false conclusions from useless comparisons like these.

The Sempron should perform close to a Pentium 4 at 3 GHz.
Thanks, that's useful to know.
Am I therefore wasting time/money fitting the old 1.5GHz P4 with a 8400 GS PCI card?
I see I would also need to upgrade my PSU from 250w to 400W.
Rough cost of PSU + a new GPU is around $100 - $150.
Maybe time to get a new PC?
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Old 08-30-09, 09:04 PM   #42
mooninite
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Default Re: Pure video = VDPAU ?

Quote:
Originally Posted by ticket View Post
Maybe time to get a new PC?
*GASP*
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Old 08-30-09, 11:27 PM   #43
primerib
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Default Re: Pure video = VDPAU ?

Quote:
Originally Posted by ticket View Post
Thanks, that's useful to know.
Am I therefore wasting time/money fitting the old 1.5GHz P4 with a 8400 GS PCI card?
I see I would also need to upgrade my PSU from 250w to 400W.
Rough cost of PSU + a new GPU is around $100 - $150.
Maybe time to get a new PC?
One of my htpc's doesn't go above 90w. It's using an AMD X2 cpu and a 8400GS 512MB pci-e card. As a matter of fact don't think any of my boxes go much higher then that.
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Old 08-31-09, 04:23 AM   #44
cehoyos
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Default Re: Pure video = VDPAU ?

Quote:
Originally Posted by ticket View Post
Am I therefore wasting time/money fitting the old 1.5GHz P4 with a 8400 GS PCI card?
I see I would also need to upgrade my PSU from 250w to 400W.
No.
And I would also recommend a 9400 GS if you sometimes have to watch interlaced video, your CPU is fast enough for every MPEG1/2 and VC1 video with partial hardware decoding acceleration (my P3 500 is not).

Carl Eugen
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Old 08-31-09, 08:54 AM   #45
P.Kosunen
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Default Re: Pure video = VDPAU ?

Quote:
Originally Posted by Sky777 View Post
no any problem with 576i mpeg2 video at all

I meant the 1080i h264 video with active temporal deinterlacing. Yes - in this case I have some problem with video
I meant poster "ticket" with Pentium 4. G98 decode MPEG2/VC-1 100%, G96 only partially.
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Old 09-01-09, 02:17 PM   #46
ticket
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Default Re: Pure video = VDPAU ?

Quote:
Originally Posted by cehoyos View Post
No.
And I would also recommend a 9400 GS if you sometimes have to watch interlaced video, your CPU is fast enough for every MPEG1/2 and VC1 video with partial hardware decoding acceleration (my P3 500 is not).
Carl Eugen
I'm ok in getting a 8400 GS, but the card spec says it wants a 400W PSU:

http://www.pny-europe.com/products.p...&productid=309

(not clear if that one is a G98 or not).
Edit: this suggests that it is a G98:
http://www.nvnews.net/vbulletin/show...72&postcount=2


I suppose I could try the card first and see if my existing 250W PSU can stand it.

primerib's comment of only needing 90W seems surprising, but he is using a modern CPU and PCIe. I also have to drive 2xDVD, 2xHD, PCI audio and USB cards & an extra fan.

Last edited by ticket; 09-13-09 at 03:58 PM. Reason: 8400GS, not 9400!
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Old 09-13-09, 02:12 PM   #47
ticket
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Default Re: Pure video = VDPAU ?

Ho Hum,

Bought and installed a PNY Geforce 8400GS 512MB PCI and a 400W Corsair PSU.

Result : unbootable PC. Couldn't even get into the BIOS. And the power switch wouldn't turn off the PC - it just powercycled/rebooted. Had to turn off using the main PSU switch at the rear. This 8400GS card seriously disrupted the system.

I tried installing the 8400GS card in the nearest and farthest PCI slots, and with all other PCI cards removed. Same result.

Removed the 8400Gs, re-installed the 6200 PCI and with no changes to the BIOS, the system was back to normal.

The computer is a Dell Precision 340 with 512MB ram and 1.5GHz P4. There is an unused AGP x4 slot.

Anyone got any ideas on how to get the 8400GS working? Looks like I may be returning it.
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Old 09-13-09, 07:46 PM   #48
AaronP
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Default Re: Pure video = VDPAU ?

My guess is that you either just got a bad card and should return it for a replacement, or there is some incompatibility between the new card and the BIOS on your system. It might be worth checking Dell's web site to see if there is an updated BIOS version available.
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