Official HD7770/7750 Reviews Thread

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WMD

Senior member
Apr 13, 2011
476
0
0
A new generation Mercedes model will not suddenly jump up 50%, that absolutely does not happen. You will not see a new generation E320 suddenly be 50% more expensive than it's previous version. Your analogy is beyond ridiculous not to mention completely wrong and only serves to make a point against your own argument.

That's right. Besides thats the worse anology possible. You buy Mercedes and Rolex instead of Honda and Casio not because of performance but because they show off your status. They are meant to be expensive. Who cares if your graphics card hidden away in the pc is 10x more expensive than average Joe's card.
 

LOL_Wut_Axel

Diamond Member
Mar 26, 2011
4,310
8
81
Price will go down somewhat but not sure about performance. 5770 has not really surpassed 4870 1GB as many people said it would except games had become alot more demanding of VRAM making it the 4870 512MB perform horrendously in TPUs benchmarks. The 6850 and 6870 has not really surpassed the 5850 and 5870 as people predicted either except in tessellation bound benchmarks where they already performed better from day one.

Your point is? The 4870 isn't powerful enough to make use of more than 512MB of VRAM. It runs out of steam before then. And the 5770 is just as fast while consuming around half the power and running a lot cooler and quieter. The lowest the 4870 was in price was around $125, and the lowest the 5770 has been is $100.

And the 6850 and 6870 were never meant to replace the 5850 and 5870, but the 5830 and 5850. And they're certainly faster than those cards, all while costing less and consuming less power.

Why is it that certain people always like to moan about anything and everything?
 

Concillian

Diamond Member
May 26, 2004
3,751
8
81
Your point is? The 4870 isn't powerful enough to make use of more than 512MB of VRAM. It runs out of steam before then.

This makes no sense. The 4870 is very, very close to the GPU power of the 5770, but the 5770 has 1 GB and the 4870 has 512 MB. They're very, very close to one another aside from the memory size and bandwidth.

So why is the 4870 less able to handle 1GB and the 5770 more able to handle it?
 

Concillian

Diamond Member
May 26, 2004
3,751
8
81
So which is the better buy?
$100 6770 or
$110 7750?

Any OCing?

6770 likely will OC better, as I bet the 7750 is pretty limited by it's lack of 6 pin connector. The benchmarks show them neck and neck, btu 6770 will likely pull ahead with OCing.

The other consideration is the expected time horizon. Tesselation / compute performance is significantly better in the 7750 and future games are likely to be using these features more, so the 7750 will possibly have longer legs.
 

WMD

Senior member
Apr 13, 2011
476
0
0
Your point is? The 4870 isn't powerful enough to make use of more than 512MB of VRAM. It runs out of steam before then. And the 5770 is just as fast while consuming around half the power and running a lot cooler and quieter. The lowest the 4870 was in price was around $125, and the lowest the 5770 has been is $100.

And the 6850 and 6870 were never meant to replace the 5850 and 5870, but the 5830 and 5850. And they're certainly faster than those cards, all while costing less and consuming less power.

Why is it that certain people always like to moan about anything and everything?

Who is moaning? And did I said 6800 are meant to replace 5800? I am talking about people always giving excuses that new drivers will improve a certain new cards perform that so it fairs better than certain old cards. That has seldom been the case. And I am sure you are wrong about 1GB being useless on the 4870. Even at a tiny resolution of 1680x1050 on an ancient 2008 game it makes a significant difference:

http://media.bestofmicro.com/V/I/225342/original/FC2 4xAA 1680.png
 

toyota

Lifer
Apr 15, 2001
12,957
1
0
Your point is? The 4870 isn't powerful enough to make use of more than 512MB of VRAM. It runs out of steam before then. And the 5770 is just as fast while consuming around half the power and running a lot cooler and quieter. The lowest the 4870 was in price was around $125, and the lowest the 5770 has been is $100.

And the 6850 and 6870 were never meant to replace the 5850 and 5870, but the 5830 and 5850. And they're certainly faster than those cards, all while costing less and consuming less power.

Why is it that certain people always like to moan about anything and everything?
the 4870 can run several games at settings that exceed 512mb of vram.
 
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Slybo

Junior Member
Feb 15, 2012
2
0
0
Would it be a worth while (cheap) upgrade to go from an old GeForce 250 to the HD7750? I am having trouble finding comparable benchmarks.
I am doing ok with the 250 but it takes my microATX PSU to its limit and I like the idea of a potentially better card that uses significantly less power.

Quadcore AMD 2.5ghz | 6gb Ram
 

ViRGE

Elite Member, Moderator Emeritus
Oct 9, 1999
31,516
167
106
Would it be a worth while (cheap) upgrade to go from an old GeForce 250 to the HD7750? I am having trouble finding comparable benchmarks.
I am doing ok with the 250 but it takes my microATX PSU to its limit and I like the idea of a potentially better card that uses significantly less power.

Quadcore AMD 2.5ghz | 6gb Ram
AT has the GeForce 8800GT in their Bench system, which is a fairly similar card.

http://www.anandtech.com/bench/Product/521?vs=536
 

Slybo

Junior Member
Feb 15, 2012
2
0
0
Thanks. I was using that as a comparison. I just wasn't sure how close it was to the 250
 

3DVagabond

Lifer
Aug 10, 2009
11,951
204
106
I'm not expecting it to have the same shader count as Cayman.

...Because?

If they keep this trend it'll be around 6950 for 300$. From the consumer point of view the 7000 series is worthless.


I don't have any issues with the 7900's. They're expensive, but it's really obvious why. I don't really see how it's AMD's responsibility to cap market prices. nVidia doesn't do it. Intel doesn't do it. Apple doesn't do it.

The 7700 is just too small, IMO. If it was say, 1/2 of Tahiti it would probably perform just fine. Seems like there is going to be some really large gaps between the 3 chips.
 

MrK6

Diamond Member
Aug 9, 2004
4,458
4
81
Haha, I love the little digs AMD and nVidia are taking at each other.

If your using Firfox go to www.verdetrol.com and press Ctrl+U.

You will see:
Code:
X-LOL-Kepler: So Late

LOL
I just find it downright obnoxious, never mind cheeky, to say "we're not impressed" when they don't even have a product on the market. Furthermore, I'd prefer either company to let their products do the talking instead of wasting money and time on crap like that (however little it is).
 

blastingcap

Diamond Member
Sep 16, 2010
6,654
5
76
I just find it downright obnoxious, never mind cheeky, to say "we're not impressed" when they don't even have a product on the market. Furthermore, I'd prefer either company to let their products do the talking instead of wasting money and time on crap like that (however little it is).

From what I understand, some NV staffer said that off the record, but some nimrod tech "journalist" went ahead and relayed the quote anyway, which NV has never confirmed or denied as happening.
 

DarkKnightDude

Senior member
Mar 10, 2011
981
44
91
If you compare the 5870 to the 5770, it is not at all the same as comparing the 7970 to the 7770. If you're looking for the real "sweet spot" in the 7xxx series, it will likely come from the 7870, despite prices of course.
 

blastingcap

Diamond Member
Sep 16, 2010
6,654
5
76
If you compare the 5870 to the 5770, it is not at all the same as comparing the 7970 to the 7770. If you're looking for the real "sweet spot" in the 7xxx series, it will likely come from the 7870, despite prices of course.

AMD's midrange prices are horrible (the 79xx prices are meh... not unexpected but semi-understandable, esp. for 3GB halo cards), and I expect the 7870 to debut at some stupid price like $349 while not giving enough of a bump in performance to justify the cost. AMD has all but lost my interest in their cards. I'm just waiting for NV now. If they disappoint, too, then I will simply refuse to upgrade until prices become more reasonable. Vote with your wallet.
 

Hypertag

Member
Oct 12, 2011
148
0
0
I think this card virutally confirms the rumors that the 7870 will be weaker than the 6970 while costing more.
 

MrK6

Diamond Member
Aug 9, 2004
4,458
4
81
From what I understand, some NV staffer said that off the record, but some nimrod tech "journalist" went ahead and relayed the quote anyway, which NV has never confirmed or denied as happening.
My comments reflect more on that individual than the company as a whole then. I didn't realize tviceman had misquoted it.
I think this card virutally confirms the rumors that the 7870 will be weaker than the 6970 while costing more.
Until 28nm gets fixed and there's more production, it will stay like that. I've said this previously, but you can't expect prices to drop if they can't produce the parts in any reasonable volume, especially for more common markets (the 7770 and 7750). More on it: http://www.eetimes.com/electronics-news/4234961/TSMC-manufacturing-process-in-trouble
 

blastingcap

Diamond Member
Sep 16, 2010
6,654
5
76
My comments reflect more on that individual than the company as a whole then. I didn't realize tviceman had misquoted it.

Until 28nm gets fixed and there's more production, it will stay like that. I've said this previously, but you can't expect prices to drop if they can't produce the parts in any reasonable volume, especially for more common markets (the 7770 and 7750). More on it: http://www.eetimes.com/electronics-news/4234961/TSMC-manufacturing-process-in-trouble

Yeah, seems like both TSMC and GloFo are shaky right now at 28nm. I hope it's not a re-run of the 40nm shortages. Not that GloFo is involved, but if it were more Intel-esque maybe AMD could have given the 28nm contract to them instead. As it stands, there is Intel, and then there is everyone else.

http://www.techpowerup.com/159189/28-nm-struggles-TSMC-amp-GlobalFoundries.html
 

Skurge

Diamond Member
Aug 17, 2009
5,195
1
71
Price will go down somewhat but not sure about performance. 5770 has not really surpassed 4870 1GB as many people said it would except games had become alot more demanding of VRAM making it the 4870 512MB perform horrendously in TPUs benchmarks. The 6850 and 6870 has not really surpassed the 5850 and 5870 as people predicted either except in tessellation bound benchmarks where they already performed better from day one.

Uh, the 7770 is already showing potential is some more modern games like Dirt3 and batman it's matching/beating the 6850. In CIV5 where there are a crap ton of advanced DX11 effects and compute. The 7770 beats the 6870. So it all depends of how games will be designed going forward. I'm inclined to think future games will sway towards the 7770 drivers improvements or not. This price is still stupid though.

I think this card virutally confirms the rumors that the 7870 will be weaker than the 6970 while costing more.

I'm not so sure. The 7870 is likely going to have to have 32ROPS and we've seen how much more powerful they are in the 7970. if they can stick something like 1200-1300SPs in there and some nice clocks I think it will beat the 6970. It's got less SPs than that will likely win in DX11 games and lose in older engines. Which isn't the worst thing in the world. the possible price is what worries me though.
 

toyota

Lifer
Apr 15, 2001
12,957
1
0
the stock 7770 only beating the 2.5 year old 5770 by just over 30% overall is a joke.
 

3DVagabond

Lifer
Aug 10, 2009
11,951
204
106
Im expecting that HD7800 will be double the HD7700 at 1280 ALUs and close to 240-260mm2.

Have you read that somewhere or been told by anyone? All I've read shows the 7870 being similar specs to Cayman. I'm not saying you are wrong. I sure as hell don't have any inside info. I'm just wondering if you have seen/heard something to make you think this. Or, is it just your guess?
 
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