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3870 pent. D stuttering

post #1 of 8
Thread Starter 
Hi guys,
I'm wondering if anyone can give me an insight into what's causing the poor performance of my HTPC.
Basically I'd like to know if it's a hardware issue or software.

I've only really tested it on a 1080P video and a 720P one as I need to download lower res ones to try.
It'll play fine for a while and then stutter like mad, then play well again.
It's weird because I'm using a HD3870, 2GB of RAM and a pentium D 830 on windows 7 64bit which I thought should be good enough to play videos. 64 bit is because I had a 64bit installer flash drive lying around.

Should the above parts handle video playback well?
I would have thought that the CPU could handle it well enough and the card should have no problem either but it doesn't seem to play smoothly.
My CPU usage is pretty high but doesn't seem maxed out and my GPU usage is about 5-10% playing a video.

I've tried using the latest VLC, is there a better player out there for hardware acceleration?

Also, I tried with a GTX 470 and it played fine so I'm guessing the older card isn't as well optimised for video playback and puts more stress on the CPU or something.
Is there any way that I could fix this issue?
It's my brother's HTPC and I'd prefer if he didn't have to pump any money into this as it's made out of spare parts I had lying around. (except the 3870 which I got for €25)

Thanks for any help in advance.

Highlighted parts used to make my post more legible, sorry for the length.
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post #2 of 8
overheating?
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post #3 of 8
Thread Starter 
Actually, that was my first thought too, I forgot to put it in the post but I replaced my NB cooler because the stock one on the abit ni8-sli gr is terrible and replaced my CPU's thermal paste and it definitely stays below throttling temps.
It tops out around 60-65C according to everest.
That's part of why I don't get it, it does behave a bit like it's throttling but it isn't according to everest's stress test throttling detection thing.
Edited by Mike-IRL - 6/13/11 at 8:37pm
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post #4 of 8
I think running Windows XP may be a little easier are the cpu and card. Make sure you use the "classic" theme and no aero effects.

Also monitor the temps as he said before.
    
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post #5 of 8
GPU overheating?
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1GB DDR 333MHz Samsung Spinpoint 250GB Windows XP Professional 1920X1200 Integrated LCD 
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post #6 of 8
Your hardware should handle it just fine.

Make sure you have hardware acceleration turned on in CCC. And make sure that the software you're using will use the GPU to process the video.
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post #7 of 8
I have a HD3870 512mb in my back up rig and it plays fine on 1080p for movies. Not very well with games at that rez.
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by dixson01974 View Post
I have a HD3870 512mb in my back up rig and it plays fine on 1080p for movies. Not very well with games at that rez.
I thought it should, I had it with a Q6600 at one point and the card was really impressive for it's pricetag when I didn't use AA.
I think I'll give reinstalling windows a go when I get the chance assuming I have harware acceleration on in CCC.
I thought the hardware shouldn't have any problems as well so it's probably easiest to just start fresh on a new windows install and see how I go from there.

I'll update in the morning with whether or not I've resolved the problems, it's about 5am here and I probably shouldn't have started the thread so late in hindsight.
Thanks all for the helpful responses

Oh and reflex the GPU is good temp. wise just in case you think I ignored your post, thanks.

Oh and Omega and dixson, did I rep you guys already?
I think I might have just before I posted this :/


Edit: I changed skip-filter for H264 to all in VLC and it solved my problem, thanks all.
Edited by Mike-IRL - 6/16/11 at 7:15am
Ex-Kentsfield rig
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Q6600 RIG :D
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CPUMotherboardGraphicsRAM
4790k MSI Z97M Gaming 780 Ti SLi Corsair Vengeance pro 2x8GB 
Hard DriveHard DriveCoolingOS
Seagate NAS 240GB m500s RAID 0 MCP 350 w/ res top >> MCP655 >> Heatkiller full... Windows 8.1 
MonitorKeyboardPowerCase
3X QNIX 2560x1440 @ 110Hz G910 EVGA Supernova 1000 G2 Stacker 830 
MouseMouse PadAudioAudio
G402 / Deathadder 2K13 League of legends one, cloth ODAC >> O2 >> HD800 / K702s Samson mediaone 5as 
AudioOtherOtherOther
Samson GoMic Asus wireless AC Logitech G27 Logitech C920 Webcam 
CPUMotherboardGraphicsRAM
Q6600 Asus P5Q-E 8800GTX Crucial Ballistix Tracers 
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320GB Samsung spintpoint T166 Xigmatek Dark Knight 7 Chieftec 390W :p 
Case
Some generic chieftec one for now 
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Ex-Kentsfield rig
(20 items)
 
Q6600 RIG :D
(9 items)
 
 
CPUMotherboardGraphicsRAM
4790k MSI Z97M Gaming 780 Ti SLi Corsair Vengeance pro 2x8GB 
Hard DriveHard DriveCoolingOS
Seagate NAS 240GB m500s RAID 0 MCP 350 w/ res top >> MCP655 >> Heatkiller full... Windows 8.1 
MonitorKeyboardPowerCase
3X QNIX 2560x1440 @ 110Hz G910 EVGA Supernova 1000 G2 Stacker 830 
MouseMouse PadAudioAudio
G402 / Deathadder 2K13 League of legends one, cloth ODAC >> O2 >> HD800 / K702s Samson mediaone 5as 
AudioOtherOtherOther
Samson GoMic Asus wireless AC Logitech G27 Logitech C920 Webcam 
CPUMotherboardGraphicsRAM
Q6600 Asus P5Q-E 8800GTX Crucial Ballistix Tracers 
Hard DriveCoolingOSPower
320GB Samsung spintpoint T166 Xigmatek Dark Knight 7 Chieftec 390W :p 
Case
Some generic chieftec one for now 
  hide details  
Reply
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