4850 or 5770

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grishnukh

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Aug 29, 2009
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hello
I have: asus m2n-e - amd athlonx2 4800+ - 2*1gb 800mhz kingston hyperx
my psu is a green 430a with 430w power and on 12v rail can give maximum 300w and 30a
my higest res will be 1024*1280 .In 2 years I cant upgrade all of it
And theretofore I wanna play games in high detail (of course 1024*1280)
with my psu what is your offer to me? I am thinking between 4850 and 5770
your idea?(anything)
 
Don't know about it's amp requirement, but guru3d did their review on an i7 overclocked to 4GHz and a 5770. System peaked at 100% stress with 321 watts. At idle is was 221. Your system would run it at nearly it's max load, which is a huge no no for power supplies. You'd be better off upgrading that first.
 
they told us 5770 requires 321w& 40 amp! but this is the only review with this huge numbers! what u thinking and know about 5770's power and amp requirement
please!!!!!!!
 

Well, if you're speaking of the card's requirement only, then jay2tall posted that. But this review measures the entire system, not just the card. You can't forget about everything else you have as well.
 
^ Yeah my post was card only. What brand is your 430w? I have a feeling it will run everything fine. 30A should be enough to drive that thing as long as you don't a ton of HD's and Optical drive and a dozen fans.
 
That 450W requirement is the total system wattage for a complete system. And there is NO way a 5770 requires 40A, that would be ridiculous. The 5870 requirement is 40A, I KNOW, I have the box at home dude.

Anandtech did their test and a 5770 on an i7 @3.33GHz consumed 256Watts on load. Well under your 430W.
 

Still, only 300w goes to the 12v rails. I wouldnt risk running a PSU at a high load like that, it just seems dangerous and unsafe to me.

But you're definitely right about the 40A requirement. Thats an seems like an overcompensation if you're running like 4 or 5 HDDs or something.
 
of course total system is what I am talking about.if my total pc with 5770 reqires 40 amp on 12v what am i supposed to do? all i have is 30a
 
I would recommend the 5750 for your system for several reason I will list here:

1. Your processor is weak: athlonx2 4800+, has barely any cache and it's architecture is comparable to it's singe core counter part. You would bottleneck a GTX 260, however an HD 5750 should be fine (may be bottlenecked very little if anything).


2. Your PSU would bearly fit the power consumption of a HD 5750. You may need to disconnect any usb devices not needed. Your PSU will take some serious damage after extended length use, I would recommend switching it after 3 months~.


3. Cheaper than a GTX 260, it has DX 11 support/eyefinity. Here's a video of 3 monitors (I think they're 19"~ each, running WoW.
http://www.youtube.com/watch?v=1xqR8haPuUo


4. Lower heat than a HD 4850 or GTX 260.


5. Your PSU could NOT handle a GTX 260 for sure. An HD 4850 would completely decimate your PSU in a couple months.


6. I have an HD 4850, (XFX 1gb version) it rocks but it's missing Eyefinity/Dx11 which is a complete killer for me (I plan on having 4 monitors for complete geek immersion). Im picking up a HD 5770 or HD 5850 soon however to remedy the situation.

 
Total PSU power is 430w its fine, the requirement isn't 450w on the 12v rail.

Someone show me this 40A requirement, I am sure that is wrong. There is no way my 5870 has a 40A requirement, an so does a 5770. NO WAY.

What brand of PSU do you have.

It's fine.... but then again you don't have to believe me.
 
4770,5770,5750 all decent choices. 5770 being the strongest. Frankly DX11 is only a selling point if you have vista or win 7 or will be getting it adn my guess is you're on xp. I'd just do what ever is cheapest mostly the rest of your system will be holding back a mid range card in the 100-160 range now. the 5770 and 5750 have promise of a little more power then it currently does because the drivers are still fairly new.

Save money get a 4770 use that money you saved to upgrade the rest of your system in a few more months. and repeat!
 
At that resolution you really don't need a good card. The highest you should be looking at is the HD4770. It's also low power(barely need a power connector) and should be great for that resolution. Anything more powerful will just be a waste of money until you upgrade your CPU and/or monitor.
 

personaly I agree with you about price and my CPU but in most benchmarks i can see 4770 in 1024*1280 (crysis) with highest setting and AA cant handle the game perfectly and It's min fps is 18-20 so what you think?
 
GPUs shouldnt be chosen through resolution. Your need to look at several factors:

* Performance
* Power use
* Playable Resolution

Like you noticed 4770 cannot handle Crysis with AA, and you can expect low FPS during intense fighting.
The 5750 is the best choice for you since it will provide you with the same performance as an HD 4850 and give you the benefits of next generation cards without being too bottlenecked by your setup.
Yes it is more expensive than a 4850, but totally worth it.

You can go for a 4770 however you will sacrifice AA in most games, not to mention many other features like in depth distance (viewing objects far away) etc. The HD 4850 struggles with Crysis but gives barely-playable FPS with x8 AA/16 AF at resolutions 1600x1073~ (1280x1024 would be a breeze). The 5750 should add to this performance slightly, and give u the option to use 2 monitors with minimum fps drop.

4770 is too weak to play next generation games with all the eye candy.
anything above a HD 4850 or HD 5750 will be bottlenecked by your CPU.
 
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