Tom's Hardware > Forum > Graphic & Displays > ATI > 4850 vs 4770
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nachota1987   05-09-2009 at 06:29:44 PM

hi guys, im trying to decide which one to get. im leaning towards the 4850 cos im not into ocing the 4770

which one u prefer and why?

thx!

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Hammeh   05-09-2009 at 06:47:32 PM
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4850 is a better card performance wise, however it does use more power. If your not overclocking or using Xfire then I would say the 4850 is a better choice.

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jaguarskx   05-09-2009 at 09:37:38 PM
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If you have a "small" power supply get the HD 4770. If it is "big" then get the HD 4850.

The HD 4770 consumes 50w of power while the HD 4850 consumes 110w, yet a stock HD 4770 is on average about 6% slower than the HD 4850. Overclocked, the HD 4770 will be faster than a stock speed HD 4850 and still consume less power.

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------------------------------ Q9450 |Corsair XMS 4GB DDR 800 | ABit IP35 Pro | HD 5850 | Audigy 2 | Seasonic S12 550 | Cooler Master Centurion 532 | NEC LCD2690WUXi and Planar PX2611w | WinXP

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mactronix   05-09-2009 at 10:29:33 PM
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I have a 4770 and at the moment the drivers that came on the disc are the only ones that work for it and they are not very good. Having said that Overclocking it is so easy. You just run the Auto overclocking utility in the Catalyst Control Center (ATI Overdrive), and it just runs the clocks up to teh maximum overclock and there it is :) . And that sbefore decent drivers or support from third party Apps. Not all card are going to OC the same but ever post regarding OCing this card all say the samething.
Point is the performance is already very close to the 4850 which as said uses more power and Ocing is just pushing a button. My personal opinion is that given propper driver support the 4770 will easily equal and even beat a 4850 in most benchmarks.

Mactronix

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nachota1987   05-10-2009 at 01:34:53 AM
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jaguarskx wrote :

If you have a "small" power supply get the HD 4770. If it is "big" then get the HD 4850..




i was thinkin on a 600W coolermaster

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PsychoSaysDie   05-10-2009 at 03:25:30 AM
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4770 > 4850

I pulled 15K with a single 4770. 25K in Xfire

------------------------------ Core I7 920 D0 @ 4.2Ghz
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jaguarskx   05-10-2009 at 03:47:28 AM
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nachota1987 wrote :

i was thinkin on a 600W coolermaster




What PSU do you currently have?

If your current PSU is powerful enough for the HD 4770, but not the HD 4850, then my suggestion will be to simply buy the HD 4770 and overclock it to at least match the performance of a stock HD 4850. You can easily overclock the HD 4770 using ATI's CCC; the core will OC to 830MHz. That way you will save about $20 - $30 on the video card and another $50 - $70 on the PSU. I'm just trying to give you options so that you can get similiar (or better) performance and save some $$$.



Coolermaster PSU are adequate quality in my opinion, I generally buy PSUs made by Seasonic, who also makes some PSU models for Antec, Corsair, and PC Power & Cooling.



------------------------------ Q9450 |Corsair XMS 4GB DDR 800 | ABit IP35 Pro | HD 5850 | Audigy 2 | Seasonic S12 550 | Cooler Master Centurion 532 | NEC LCD2690WUXi and Planar PX2611w | WinXP

Peace on Earth by means of the destruction of all life on Earth.
 Reply to jaguarskx
indigoataxia   05-10-2009 at 04:14:07 AM
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jaguarskx wrote :

If you have a "small" power supply get the HD 4770. If it is "big" then get the HD 4850.

 

The HD 4770 consumes 50w of power while the HD 4850 consumes 110w, yet a stock HD 4770 is on average about 6% slower than the HD 4850. Overclocked, the HD 4770 will be faster than a stock speed HD 4850 and still consume less power.

 

The 4770 actually consumes 80w. Anything needing the 6-pin PCI-E adapter needs at least 75w. Even the HD 4650 uses 55w.

 

I also agree with the 4770 vs the 4850. An easily overclocked 4770 would match a 4850 for ~$30 cheaper.

Message quoted 1 times
Message edited by indigoataxia on 05-10-2009 at 04:17:43 AM
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jaguarskx   05-10-2009 at 04:24:53 AM
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indigoataxia wrote :

The 4770 actually consumes 80w. Anything needing the 6-pin PCI-E adapter needs at least 75w. Even the HD 4650 uses 55w.





Xbitlabs.com has measured the consumption of the HD 4650 to be 47w and HD 4770 to be 50w. The 80w you are referring to is TDP and not actual power consumption.

http://www.xbitlabs.com/images/video/radeon-hd4770/other/rhd4770_power.png

Source:
http://www.xbitlabs.com/articles/v [...] html#sect0

Message quoted 1 times
------------------------------ Q9450 |Corsair XMS 4GB DDR 800 | ABit IP35 Pro | HD 5850 | Audigy 2 | Seasonic S12 550 | Cooler Master Centurion 532 | NEC LCD2690WUXi and Planar PX2611w | WinXP

Peace on Earth by means of the destruction of all life on Earth.
 Reply to jaguarskx
indigoataxia   05-10-2009 at 04:42:31 AM
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jaguarskx wrote :

Xbitlabs.com has measured the consumption of the HD 4650 to be 47w and HD 4770 to be 50w. The 80w you are referring to is TDP and not actual power consumption.

http://www.xbitlabs.com/images/vid [...] _power.png

Source:
http://www.xbitlabs.com/articles/v [...] html#sect0



Oh, awesome. Ive never seen so much performance for so little power. Way to go ATI.

Reply to indigoataxia
rags_20   05-10-2009 at 05:40:01 AM
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No way. 4770 uses just 4A? I don't believe it. That's way too low. Anyway, 4850 is the better of the two.

------------------------------ Intel Core 2 Quad Q6600 @ 2.4 | Thermalright Ultima 90 120mm fan | Intel DG31PR | 4 GB DDR2 @ 800MHz | HD 4850 512 GDDR3 | Corsair VX450 | Samsung 22x DVD RW | Windows Vista HP 32-bit/ Windows 7 64-bit dual boot | Samsung SyncMaster 19" LCD VGA 920NW |
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Anonymous   08-09-2009 at 11:53:45 AM
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I have a 400wat power supply and a 2.4ghz Quad Core CPU. I'm not planning to upgrade my power supply, but I still would like to upgrade my graphics card. Now, I read that the power consumption of Radeon 4770 is pretty modest. Do you think it would work with my 400wat power supply? :)

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CHRISTLUBAS   08-15-2009 at 02:49:22 PM
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Use a 4670 to play safe 4770 if your willing a small risk and 4850 if you DARE!

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wintermint   11-13-2009 at 04:17:00 AM
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4770 - http://www.newegg.com/Product/Prod [...] 6814150369
4850 - http://www.newegg.com/Product/Prod [...] 6814161297

They are about the same price now.. but you should compare the core clock and/or memory clock* and maybe see if you need HDMI or not I guess..


Message edited by wintermint on 11-13-2009 at 04:18:12 AM
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Bronze Graphics badge mousemonkey   11-13-2009 at 08:16:41 AM
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This topic has been closed by Mousemonkey

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