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Radeon HD 4750 Previewed, Performs Closer to HD 4850

btarunr

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#1
An unexpected visitor to Guru3D.com's offices was a pre-release sample of a yet to be released 40 nm RV740-based Radeon HD 4750 graphics accelerator. Not bound by any NDAs with AMD, the website went ahead with a little (p)review of the card. The HD 4750 is the RV740XT model, and features GDDR5 memory. The name contradicts an earlier report suggesting HD 4770 to be the shelf-name for the RV740XT, and HD 4750 for the GDDR3-based RV740Pro. It features 640 stream processors, core clock speeds between 650~700 MHz and GDDR5 memory clocked at 800 MHz (3.20 GHz effective), across a 128-bit wide memory bus. The RV740XT comes with a rated shader compute power of 900 GFLOPs, as against 740 GFLOPs the RV770LE-based HD 4830 is rated at, while having similar specifications. It comes with 32 TMUs and 16 ROPs.

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Paintface

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#2
that card looks awesome, and great performance, probably my next card :)

as it is low profile and lower power than a 4830 it might make alot of sense to run this in crossfire.
 

newtekie1

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#3
Is that a VF900?

Anyway, this looks very good for the market, I figured it would perform similar to an HD4830 due to the similar specs, I'm guessing it only really outperformed it due to the higher clock speeds. If they do managed to get this out at the under $100 price point, it should hopefully force price cuts on some of the nVidia GPUs in the range, which would be very nice.
 
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#4
And if it overclocks, great buy.
 

btarunr

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#5
Looks like it. The markings (reference cooler outline) on the PCB show that this isn't the card's cooler, maybe just for its engineering samples.
 
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#6
Looks like it. The markings (reference cooler outline) on the PCB show that this isn't the card's cooler, maybe just for its engineering samples.
So beautiful. Too bad it has that PCI-E connector, would be awesome to see it own up the new Green 9800GT and 9600GT.
 
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#7
Wait, it performs better than a 4830? They have already dominated that price point, why not go for a 4930, 4950, 4970x2?
 

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#8
Love the zalman cooler on it. looks like its a nice performer. Id get this for an HTPC with the ability to game pretty damn decent on it.
 
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#9
Wait, it performs better than a 4830? They have already dominated that price point, why not go for a 4930, 4950, 4970x2?
They can continue to own that price point, and save themselves money in the process
 

GPUCafe

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#10
Looks like it. The markings (reference cooler outline) on the PCB show that this isn't the card's cooler, maybe just for its engineering samples.
Reference cooler is single-slot, so yes that is correct.

Also, the PRO will not need a 6-pin power connector.
 

Gam'ster

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#11
Ohh excellent midrange card, I hope its as cheap as they say..
 
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#12
It will be cheap and Nvidia fans will be happy the prices will go down if they want another gts240 for SLI.
Good news for us no matter if we want this card or not.
It's intresting how this war turned up to be , if you remember Nvidia wanted a perf. war with huge GPU's that perform very fast but , AMD/Ati forced them to their own kind of war with fast and cheap cards , they knew they couldn't beat them at speed so they made cheaper to produce card and kill them with low prices , smart people there at AMD.
Now Nvidia is playing their game cutting production costs , bad thing for the competition to force you in their kind of war and AMD doesn't want to play Nvidia's games no matter what happens ( they don't want to adopt physx ).
It will be intresting where this goes and where will see Nvidia and AMD/ATI in 2-3 years from now , let's see if one of them fails eventually considering AMD is poor this days and Nvidia is at war with everybody.
 
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#13
Wait, it performs better than a 4830? They have already dominated that price point, why not go for a 4930, 4950, 4970x2?
Well, we don't know the transistor count yet, but if it turns out to be very near that of the RV770, these may well be harvested from a more powerful SKU to be released at a later date. After all, 40nm production isn't as mature as 55nm, so I'd imagine there's a fair bit of redundancy built-in, and a good handful of very powerful, very efficient chips...
 
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#14
They can continue to own that price point, and save themselves money in the process
Missing the point: If you already won the battle, why are you still fighting?
 

GPUCafe

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#15
Missing the point: If you already won the battle, why are you still fighting?
The BOM for this product is much less compared to 4830. It is like pulling ahead of the competition while driving a Hybrid. :p
 

btarunr

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#16
Wait, it performs better than a 4830? They have already dominated that price point, why not go for a 4930, 4950, 4970x2?
Missing the point: If you already won the battle, why are you still fighting?

They may have, but making an RV770LE-based HD 4830 costs more than the RV740 on this card, not to mention the lesser number of memory chips required due to the narrower memory bus (compensated by data-rate).
 

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#17
Missing the point: If you already won the battle, why are you still fighting?
Also, if you stop fighting in such a competitive market, you lose...
 
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#18
I like a lot, good to see innovation on that part of AMD.
 

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#19
Missing the point: If you already won the battle, why are you still fighting?
Because if you don't keep fighting, then you end up in a situation that is all too common in the industry. Where you get too used to being on top, and inovation stops. Then when your competitor releases something that is noteably better than your product, you have to scrampled to get something together to compete with it, and usually end up releasing something that isn't ready to be released.
 
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#20
Is that not what happened with the HD 2XXX series of cards Newtekie? I'm talking about the 8800 cards mainly, guess they took ATI by surprise.
 

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#21
Missing the point: If you already won the battle, why are you still fighting?
This isn't just a battle, its a war. You don't stop fighting just because you won a few single battles. Anyway, the point has already been made *beats dead horse*
 

newtekie1

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#22
Is that not what happened with the HD 2XXX series of cards Newtekie? I'm talking about the 8800 cards mainly, guess they took ATI by surprise.
Yes, and it happend in reverse more recently with the HD4800 series and the G92 cards.
 
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#23
I'd like to find out what kind of numbers this card will put up for folding@home.
 

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#24
Not bad if 100$
 
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#25
A definite buy for budget builders, I would have been fine with $150! The supposed VF900 cooler looks great with the ATI emblem. Plus it is great to see a reb PCB again from ATI, rather than a frigging huge inefficient stock cooler that was completely worthless and uncalled for.