Poor video quality, low 3dmark06 score with new 4670

[Hyperlite]

I thought i was crazy, but i've tested this with every media i can think of. I'm getting really poor video quality with my new 4670. Playback is smooth, but extremely noisy with heavy macroblocking and visible pixilation. 1080p H264 content, DVD's, Hulu, Youtube in 1080p and 720p, all behave like this. I'll try and post some screens. I'm running 9.12 betas...668 maybe? Case was the same under 9.11. Any thoughts? I don't have any games on here yet so i can't comment on that, but my 3dmark06 score is about 5200, so nothing wrong there.

edit: so that is NOT a good 3dmark score for the card, i was looking at the 3dmark vantage score. i should be at at least 7k i figure. I've tried rolling back driver to 9.11, reseating the card, different cables, displays, and DVI ports...i think i'll be RMAing the card....anyone have any insight into this??????

edit2: and now after a reboot, i have lost GPU flash acceleration. WTF?

edit3: clearing and reinstalling 9.11 returned my flash GPU accel. poor 3dmark score and video performance stands.

screen shots don't really do the issue justice. an interesting observation i made is that no matter what the video quality, menu bars in hulu and youtube are always garbled. the resolution is very low and in the instance of youtube, you can see the numbers on the right of the menu bar are all messed up..they look slightly better in the screen then they do in practice.

 

[Hyperlite]

bump? anyone? this is driving me crazy...

 

[TurtleCrusher]

3dmark06 is only 5200???

My AthlonX2 4200+ 2.2ghz and 3850 got approximately 7800.

I'd look to see if your GPU or CPU is stuck on lower clocks.

 

[cusideabelincoln]

RMA might be a good way to go.

 

[Hyperlite]

posted some screens in the OP, they don't really do it justice, but all the card parameters seem to be in order.

last 3dmark06 run was 4790, 4384 CPU, 1929 SM3, 1563 SM2. garbage

 

[nobodyknows]

shouldn't your memory speed be 900 Mhz? Mine is.

edit. I think mine has ddr3 also?

 

[tcsenter]

I didn't know they made HD 4670 with DDR2?? This could explain the poor performance in 3D benchmarks but not the funny business with menus appearing garbled. Basically, it becomes no better than HD 4650 with DDR2, maybe a tad faster due to higher clocks.

 

[Hyperlite]

I didn't know they made HD 4670 with DDR2?? This could explain the poor performance in 3D benchmarks but not the funny business with menus appearing garbled. Basically, it becomes no better than HD 4650 with DDR2, maybe a tad faster due to higher clocks.

i did not realize this was indeed the only difference when i bought the card. Maybe i'll ask for a refund and swallow the restocking fee, and get one with DDR3. Nevertheless, i don't think that alone would explain such a large discrepancy in 3dmark score. For comparison, my brother's 8600GT is getting 4900ish in 3dmark06.

it seems to me, based on poor video quality, that my card is not outputting the correct resolution for my display. There is nothing wrong with performance of video playback accept for perceived resolution. the 3dmark score, i still can't explain.

 

[jvroig]

I wish I could be more helpful, but if I were in your shoes, I would definitely return it and get a new one. I'd gladly pay the restocking fee rather than waste time, effort and sanity into making a card work when it should just work with no fuss.

 

[Hyperlite]

OK, reformatted, updated BIOS, same deal. This thing is going back monday.

 

[garritynet]

I recently purchased a 4670. There are different 4670 cards out right now. Some have DDR2 but most have DDR3. DDR2 cards have less than half the bandwidth of the DDR3. Your screen shot shows 12.8Gb/s whereas the DDR3 cards running at 900mhz get 28.8Gb/s. The memory speeds are anywhere from 800mhz to 1000 depending on who made the card. Some cards have 1gig ram and others have 512mb. I am not sure what games you play but I was able to run Fallout 3 on high settings with with 2x SSAA and 16x AF butter smooth with the $45 card.

This one has 512mb ram and is $45 after rebate.
http://www.newegg.com/Product/Produc...82E16814121329

This one has a gig and cost $70
http://www.newegg.com/Product/Produc...-450-_-Product

Here is a 9800GT for $100
http://www.newegg.com/Product/Produc...-450-_-Product

 

[Hyperlite]

I recently purchased a 4670. There are different 4670 cards out right now. Some have DDR2 but most have DDR3. DDR2 cards have less than half the bandwidth of the DDR3. Your screen shot shows 12.8Gb/s whereas the DDR3 cards running at 900mhz get 28.8Gb/s. The memory speeds are anywhere from 800mhz to 1000 depending on who made the card. Some cards have 1gig ram and others have 512mb. I am not sure what games you play but I was able to run Fallout 3 on high settings with with 2x SSAA and 16x AF butter smooth with the $45 card.

This one has 512mb ram and is $45 after rebate.
http://www.newegg.com/Product/Produc...82E16814121329

This one has a gig and cost $70
http://www.newegg.com/Product/Produc...-450-_-Product

Here is a 9800GT for $100
http://www.newegg.com/Product/Produc...-450-_-Product

WOW. i had no idea the bandwidth difference was so substantial. I apparently did grossly insufficient homework. thanks a ton for the info. I'll probably either go with an $80 9600GT or one of the DDR3 4670's. I've RMA'd this thing, asking for a refund. Thanks again.

 

[lopri]

You get smooth playback of 1080p using 780G on-board GPU. Either the card is defective, or maybe you should check your cable.

 

[Marty502]

I can't believe they cripple a perfectly nice card like the 4670 with such a slow memory. Not worth the price, not one bit.

Get a DDR3 4670 and you'll be fine.

 

[0roo0roo]

playback video in knoppix?

 

[Hyperlite]

I solved part of my video playback problem. On my initial OS install, the new flash beta was one of the first things i installed. I reformatted, and went back to youtube before installing the flash beta. Video was perfect. Going to the CPU, but perfect.

 

[naveen1008]

Going crazy with the same issue. Bought a new Sapphire 4670 DDR3, 900Mhz, 750Mhz Core and I am seeing the same issue. Havent tested it on 3DMark as yet but my games run without any issues with great visual quality. I am playing GRID and HAWX with good frame rates and no issue with visuals.
Its only the videos. I have tried playing on VLC, WMP Classic, Youtube. Video overlay is choppy and pixelated and even the video itself it pixelated, has a lot of moire patterns and looks like its running in some kind of interlaced mode.

I was earlier running the onboard 690G graphics (ATI X1250 Express) and video playback was smooth with good quality.
Have played around with all settings on the drivers, Catalyst Control Center, Avivo settings, reinstalled drivers etc. but in vain.
Its the same on Win XP and on Win 7. Not sure what the issue is.
HELP?!!!!!

 

[veryrandom101]

I have same issue with my brand new HD 5870! games are absolutely amazing, 3d mark scores etc. all perfect. yet the video quality is the worst i have EVER seen it, frankly it makes those ancient video cds look like 1080p blu-ray movies.
Vid-card specs - GDDR5 1024mb, 850mhz core, 1200mhz memory.
Only things i installed with my new OS install was k-lite mega codec pack (worked perfect with EVERYTHING else) and the latest DivX. even tried uninstalling them and trying one without the other to no avail.. I would appreciate any help too, as it makes it impossible for me to watch movies.
P.S im running windows 7 7600 and i really have to do this, but my card is getting 13500 in vantage, 10500 on extreme

 

[Hyperlite]

the video issue is DIRECTLY related to flash 10.1 beta 1. 10.1 beta 2 seems to solve the issue.

 

[veryrandom101]

nope mate, that still doesnt work for me. tried to play a normal axxo video and still extremely poor quality. knowing ati and their drivers, that could possibly be our problem, as it seems this problem is 99% related with ATI, thx anyway, im sure flash player 10,1 b2 will help with things
Strangely enough i had used win 7 7067 before upgrading to 7600, and vids were fine.. but other people are having the same problem with both XP and win7, with many sys configs and a few dif ati's.. what a wierd and utterly horrible bug this is