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AMD Radeon HD 6790 1GB Review

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greigaitken 5th April 2011, 08:37 Quote
looks like some sort of extra large liquorice allsort
xaser04 5th April 2011, 08:41 Quote
Techpowerup have listed some vendors launching HD6790's with only 1 6 pin pci-e connector so it isn't strictly true that they all need two.

http://www.techpowerup.com/143487/PowerColor-Radeon-HD-6790-Pictured-Listed.html

AMD should really have left the card with 32 rops rather than cutting them back to 16, they made this mistake with the HD5830 and it looks like they have done it again.
mucgoo 5th April 2011, 09:36 Quote
Why the endless comparisons with the 550ti. It's main competitor at £115 will be gtx 460 768mb.
Xyllian 5th April 2011, 09:37 Quote
Quote:
Originally Posted by xaser04
Techpowerup have listed some vendors launching HD6790's with only 1 6 pin pci-e connector so it isn't strictly true that they all need two.

http://www.techpowerup.com/143487/PowerColor-Radeon-HD-6790-Pictured-Listed.html

AMD should really have left the card with 32 rops rather than cutting them back to 16, they made this mistake with the HD5830 and it looks like they have done it again.

This card probably exists just to get the chips with defective rops sold, not a very exiting videocard tbh.
TWeaK 5th April 2011, 09:37 Quote
Seriously guys, what's with the Intellitxt adverts? I called you up on it over the weekend (see comments in the Be Quiet! Dark Rock Pro Review) yet no one replied.

http://img807.imageshack.us/img807/5132/scummy2.jpg

http://img199.imageshack.us/img199/4678/scummy3.jpg

On the review, as a 5830 owner I'd recommend steering clear of this - driver support has been pretty poor for my card. I had to roll back to Catalyst v10 after the v11 versions kept giving me BSODs. The only reason I got it was because I wanted a little bit more performance than a 5770 but was just a bit short for a 5850, even after choosing a lower spec CPU.

Incidentally, does anyone know how this stacks up to a 5830? Given they both sit just a bit above the 5770 I reckon they could be quite close.
wuyanxu 5th April 2011, 10:03 Quote
being a Bart GPU, surely it would make more sense to call it 6830.

just as i thought i could make sense of AMD's naming strategy.........

there's no sense with nVidia's, one have to guess which GPU is used in which card. with AMD, 6900 uses Cayman, 6800 uses Bart, but they broke this by naming this Bart GPU as 6790 :(
Lizard 5th April 2011, 10:17 Quote
Quote:
Originally Posted by TWeaK
Seriously guys, what's with the Intellitxt adverts? I called you up on it over the weekend (see comments in the Be Quiet! Dark Rock Pro Review) yet no one replied.

Sorry, didn't see that comment. Anyway, bit-tech/gamer doesn't have any Intellitext ads, what you're referring to is a new ad service called Vibrant that replaced Skimlinks late last week. And while I'd certainly agree it's not ideal, ads are a necessary thing for keeping publications such as bit-tech/gamer alive.

Anyway, back on topic, I doubt the 6970 will be much faster than your 5830 given how similar both cards are.
Tim S 5th April 2011, 10:19 Quote
FWIW, IntelliTXT is an in-text advertising service that is owned and run by Vibrant Media. If they've renamed to Vibrant, that's news to me, but it's exactly the same thing. http://www.vibrantmedia.com/whatisintellitxt.asp
mkb 5th April 2011, 10:31 Quote
TWeaK, just get Ad-Block Plus. Best of both worlds. Bit-Tech can get the revenue they want from ads and you won't have to see them.
Bad_cancer 5th April 2011, 10:45 Quote
Interestingly enough, I don't get the intelliTXT. (maybe a region thing?)

Least it's marked out with double green underline (and not the classic blue underline) so you KNOW its an add.

The other solution would be to remove adds all together and make bit-tech a "pay for access" site.

Can't have both. They don't work and have servers for free you know...
perplekks45 5th April 2011, 11:13 Quote
We've been through this before and we'll do it again... :(

IntelliTXT is UNACCEPTABLE! I use AdBlock Plus on all my machines & browsers but I turn it off for Bit-Tech due to their repeated desire to stay free from annoying & obstrusive ads (IntelliTXT, flash with sound, flash suddenly spanning over the article, etc.).
I don't get IntelliTXT ads yet (just checked at work with IE9) but once I do, I'll activate AdBlock again at home.

Look, I know you guys can't run the site for free & you get the cash when we click on ads, not just by displaying them. Why do you have to have in-text ads now (again)? Last time 'round we had a MASSIVE discussion about this in the forums & the decision left no room to wiggle free: WE HATE INTELLITXT! They are amazingly annoying, especially since they open up on mouse roll-over, which is pretty common when scrolling down the page.

Do we really have to have another poll?

And... @ Lizard:
Quote:
Originally Posted by Lizard
Sorry, didn't see that comment. Anyway, bit-tech/gamer doesn't have any Intellitext ads...
Seriously, mate, stop that. Check the pics provided:
Code:
...server=bit-tech.uk.intellitxt.com


[/rant]

The card itself is... meh. Not enough performance to beat the 6850, no real results for cooling & power draw yet.
DbD 5th April 2011, 11:16 Quote
Quote:
Originally Posted by mucgoo
Why the endless comparisons with the 550ti. It's main competitor at £115 will be gtx 460 768mb.

That's what other website reviews have been saying - why buy this when the GTX 460 costs the same and is significantly faster. If you really want an ati card spend a few more £ and get a 6850.
rollo 5th April 2011, 11:43 Quote
you can get a 460 1gb for £120

which is what £5 more than this yet it offers alot more performance

if it was my money id never recommend an yone buy this card

Considering the target market is the £500 budget pc market. what psu has 2 pcie connectors by default without using cable changes which this is unlikely to supply the cable changes. Quick check of 2 psus in the £50 price bracket shows both with only 1 pcie connector by default. ( ocz 500 watt steathseries )

good review but it should score less for usability out of the box as your default test pc contains all the cables you might need. Very few pcs in the £500 budget area do even if the leads only cost a few quid more when the 460 1gb is so close on price yet outperforms it every few quid makes this even worse than it is.
Goty 5th April 2011, 11:45 Quote
Quote:
Originally Posted by DbD
Quote:
Originally Posted by mucgoo
Why the endless comparisons with the 550ti. It's main competitor at £115 will be gtx 460 768mb.

That's what other website reviews have been saying - why buy this when the GTX 460 costs the same and is significantly faster. If you really want an ati card spend a few more £ and get a 6850.

I don't think anybody is producing 460s anymore, so the option to buy one will probably soon disappear, especially at current prices.
Kúsař 5th April 2011, 11:52 Quote
I hoped for better power consumption if this GPU is cut down version of Barts LE.
According to specs it's features are cut down yet it has same transistor count and even power consumption is similar to 6850.
This leads me to question - would it be possible to flash new VGA BIOS and turn it into 6850?
xaser04 5th April 2011, 12:08 Quote
Quote:
Originally Posted by rollo
you can get a 460 1gb for £120

which is what £5 more than this yet it offers alot more performance

if it was my money id never recommend an yone buy this card

Considering the target market is the £500 budget pc market. what psu has 2 pcie connectors by default without using cable changes which this is unlikely to supply the cable changes. Quick check of 2 psus in the £50 price bracket shows both with only 1 pcie connector by default. ( ocz 500 watt steathseries )

good review but it should score less for usability out of the box as your default test pc contains all the cables you might need. Very few pcs in the £500 budget area do even if the leads only cost a few quid more when the 460 1gb is so close on price yet outperforms it every few quid makes this even worse than it is.

My £42 BeQuiet L7 530w PSU has 2 8 pin (6+2) PCI-e connectors. IIRC so do the Coolermaster GX series (550 is below £50 I think) and the modXstream series from OCZ. Just checked, the StealthXstream II series also have 2 pci-e connectors (1 6 pin, whilst the other is 6+2).

Every Graphics card I have purchased since the advent of PCI-e power connectors has come with the relevant molex to PCI-e adaptor so I doubt this card will break the norm.
loftie 5th April 2011, 12:36 Quote
Good review, seems like a bit of a pointless card to me though.

"We can't reccomend spending this little on a GPU" - Spelt recommend wrong. :)
Baz 5th April 2011, 12:37 Quote
When it came to comparing this card to the price point competition, it's a tough ask. With prices so fluid, Nvidia can drop prices and shift the landscape at will. Not to mention that between £100 and £140 we now have....

GTS 450, HD 5770, GTX 550, HD 6790, GTX 460 768MB, GTX 460 1GB, HD 6850 1GB

As current SKUs, as well as their own factory overclocked samples that blur the lines ever further. Thats a very heavily congested £40 of market.

In the end, AMD gave us a £115 price, which is the same as the GTX 550Ti currently sells for. As we said in the review though, spending that little bit more you lots more performance. However, we have to realise that for some people, spending £115 on a GPU is a lot, and draw the line somewhere.
leexgx 5th April 2011, 13:09 Quote
Intellitext, Vibrant, Skimlinks same thing to me (what ever the company is called most call it Intellitext no matter what the advert company is called) i thought bit-tech was never going to use it as most users voted and voiced that it to be removed (you need to tell you ads company's to use PNG or JPG ads as i use flashblock or Opera with load plugins on demand ,so flash only loads if i click on them)

i norm blacklist all ads for that use Intellitext ads on there site (i not seen any yet thought mite be that i have all ready blacklisted 4-5 of the Intellitext company's that are around or they do not load on chrome or chrome blocks them auto)

does seem like it would match up to an 5830 performance wise, not that i can be bothered with ati drivers any way as there is an low chance it bugger up when you update the CAT software
MiNiMaL_FuSS 5th April 2011, 17:20 Quote
so there's still not a midrange card clearly worth replacing ym 4890 with?
Spreadie 5th April 2011, 19:45 Quote
Quote:
Originally Posted by MiNiMaL_FuSS
so there's still not a midrange card clearly worth replacing ym 4890 with?

I was about to say...

At £115, save £50-£60 and buy a second hand 1GB 4870 or 4890.
HourBeforeDawn 5th April 2011, 20:13 Quote
so any word on unlocking these cards back to 6870 specs? or is just not possible at all on these?
Elton 5th April 2011, 20:33 Quote
To answer the ROP thing, it's bound to the SMID clusters IIRC. And if they cut those, everything else takes a drop.

As for the performance, if they gave us a cut version of the HD6970/HD6950, I would not mind at all.

Regardless this one isn't as bad as the HD5830 due to the lower power usage. But it's still bad seeing as it's basically a defective card.
Farfalho 5th April 2011, 21:10 Quote
Can't be interested on this graphics... Although I'm not filthy rich and such, I always like to have the best value for money in the top end range. A HD6970 can appeal to me but since I learnt that a 6950 2GB can be bios modded to a 6970 2GB, I'm all for it and I tend to lean always to the top XX70 range.

As for ads, I have Opera and don't suffer from any kind of ad and I don't have any ad blocker
fingerbob69 8th April 2011, 15:45 Quote
Apparently ALL AIB 6790 cards come with 24 ROPs enabled, not the just the 16 specified!
http://www.techpowerup.com/143753/AMD-Gaffe-Has-AIBs-Ship-Radeon-HD-6790-with-Too-Many-ROPs.html

Seems a review of a 'typical' partner card is called for as a 24ROP card could/should be much better value.

Anyone gpu-z'd theirs and found they got lucky too?
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