AMD 40nm RV740 with GDDR5 Coming

AMD could have a monster midrange card on the horizon. According to sources, RV740 may be a 40nm process shrink of RV770LE - the currently available HD 4830.

Sources received information claiming that RV740 will have 640 stream processors, 32 texture units and 16 render back-ends, just like the HD4830.

On the memory side, things have changed. The memory is expected to be 900MHz GDDR5 (3600MHz effective) for the highest-end card using the RV740 GPU, utilizing a 128-bit memory interface instead of a 256-bit interface running at 900MHz GDDR3 (1800Mhz effective).

Power consumption will be significantly lower than that of RV770LE due to the 40nm process. At the same time, performance should be slightly higher than the HD4830, but not quite up to the level of the HD4850.

Sources indicate that the price of the card will be under $100 (USD).

GPU	RV740	RV770LE
Model Name	TBD	Radeon HD 4830
Process	40nm	55nm
Stream Processors	640	640
Core Clock	TBD	575MHz
Memory Clock (Effective)	900MHz (3600MHz)	900MHz (1800MHz)
Frame Buffer	512MB GDDR5	512MB GDDR3
Memory Interface	128-bit	256-bit
Memory Bandwidth	57.6 GB/sec.	57.6 GB/sec.
Texture Units	32 TMUs	32 TMUs
Render Back-Ends	16	16
TDP	TBD	110W

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Nintendork 9 years ago

gwolfman

You don't know what you're talking about.

900 --> 1800Mhz GDDR3 * 256bit / 8 = 57.6GB/s
900 --> 3600Mhz GDDR5 * 128bit / 8 = 57,6GB/s

bits are bit everything in this world.

Using 128bit they cut a hell of space than using 256. Also GDDR5 utilize less voltaje so that reduce consumption a give the same bw as having GDDR3.

Kudos for AMD/Ati, I'm going for this baby. Please, call it HD5670.

Other Comments

gwolfman 9 years ago

What sucks is the 128-bit memory interface. They should have kept it 256-bit and I'd buy it.
JonnyDough 9 years ago

I was thinking of buying a 4670...I guess I'll wait.
JonnyDough 9 years ago

gwolfmanWhat sucks is the 128-bit memory interface. They should have kept it 256-bit and I'd buy it.

What if it makes little difference? Doesn't the process shrink mean that the GPU aligns with more bus lanes? I was thinking it does...

I know GDRR5 is faster than GDDR3, but does it lower the card's required power too?
Rahbot 9 years ago

Ok why dont they also make a GPU with like 3 or 4 Video Cards in one like a 4850 X4 that would be great. I also would like to See nvidia do that maybe then Nvidia would beat ATI.
Nintendork 9 years ago

gwolfman

You don't know what you're talking about.

900 --> 1800Mhz GDDR3 * 256bit / 8 = 57.6GB/s
900 --> 3600Mhz GDDR5 * 128bit / 8 = 57,6GB/s

bits are bit everything in this world.

Using 128bit they cut a hell of space than using 256. Also GDDR5 utilize less voltaje so that reduce consumption a give the same bw as having GDDR3.

Kudos for AMD/Ati, I'm going for this baby. Please, call it HD5670.
enewmen 9 years ago

Teh 40nm process is coming a LOT sooner than I expected and the video card wars are more bloody than I thought.
kelfen 9 years ago

well well, is this article suposed to be ATI not AMD?
anyways 40mn wootz glimse of how competitive next gen cards are going to be. This just might be a small test card for 40mn process but wootz
randomizer 9 years ago

kelfenwell well, is this article suposed to be ATI not AMD? anyways 40mn wootz glimse of how competitive next gen cards are going to be. This just might be a small test card for 40mn process but wootz

AMD owns ATI so...
gsteacy 9 years ago

Sorry, bandwidth was meant to be included in the table. It's been added.
LAN_deRf_HA 9 years ago

I'm not sure because of the GDDR5, but this card might be profitable for AMD at the same pricing as the 4670. Now that would be one hell of price performance ratio.
el_alienx 9 years ago

So GDDR5 is ready to be commonplace? (cheap enough) to create a mid/mid-low (for the time will be released) range video card?
kelfen 9 years ago

el_alienxSo GDDR5 is ready to be commonplace? (cheap enough) to create a mid/mid-low (for the time will be released) range video card?

well since they are doing a die shrink it becomes cheaper to produce
WheelsOfConfusion 9 years ago

So it's going to be cheap, relatively powerful, probably run cooler and draw less watts?
Sign me up.
zodiacfml 9 years ago

nice, probably this will only require power on the PCI-E slot alone.
good thing i haven't bought any card yet as long price on this new one is near 9800GT current price.
that_aznpride101 9 years ago

is this card really going to be less than $100? hmm...
randomizer 9 years ago

that_aznpride101is this card really going to be less than $100? hmm...

Well if it is then NVIDIA has some serious problems on their plate. Nothing is in concrete yet though.
kelfen 9 years ago

randomizerWell if it is then NVIDIA has some serious problems on their plate. Nothing is in concrete yet though.

it would make sense since the biggest plus to ATI is price/performance which they made big with 4xxx series
vider 9 years ago

zodiacfmlnice, probably this will only require power on the PCI-E slot alone.good thing i haven't bought any card yet as long price on this new one is near 9800GT current price.

If this one comes close to my HD3870 and is only powered by the PCI-E slot than I'm definitely buying it! Keep it up AMD!
doomsdaydave11 9 years ago

gwolfmanWhat sucks is the 128-bit memory interface. They should have kept it 256-bit and I'd buy it.

The GDDR5 memory should offer more then enough bandwidth. I wouldn't worry about it.

If this card is priced in the $100 range, then NVIDIA just lost the war.
Anonymous 9 years ago

Again.

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