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AMD/ATi HD 4000 Series Discussion V4, Just added: HD4830 benches!
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billytong
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 Sep 12 2008, 10:16 AM
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QUOTE(aric_68 @ Sep 12 2008, 02:27 AM) i am also the ATI supporter...3870 is 256bit...but 4670 128bit only....???  i'm now waiting for the new stock of gainwaed 4850 GS by next week.... so now.... don't know how to choice already...??? everyboby....help me pls....4850 or 4670 better....??? I am 100% pretty sure that 128bit memory controller is the major setback of 4600series. The 4600 series GPU spec is almost the same like the 3800series with some improvement + a half size memory controller which is 128bit.  I still dont get the idea of this? Pairing 4600series with 256bit could wipe out the 9600GT easily. If it is the cost matter, then at last play with 192bit. |
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billytong
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Sep 12 2008, 07:15 PM
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QUOTE(ikanayam @ Sep 12 2008, 12:33 PM) I think they just didn't want to be pad limited on such a small chip. I think this is part of the reason why they went with plain DDR3 as well instead of GDDR, besides the cost factor. The price point they were shooting for is much lower than the 9600GT, or the 3800 series. Just think about it, this is a <100USD card. Keep adding more features and it's not going to be a <100 card anymore. But they could have cut the computational power of that GPU by may be another 20% which reduce the die size & cost and it wouldnt hurt the performance much as the chip is somewhat bottleneck by the half memory bandwidth. Unless I am wrong on this. |
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billytong
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Sep 13 2008, 07:47 AM
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QUOTE(X.E.D @ Sep 12 2008, 08:02 PM) Plus, sooner or later someone will start to use the new 1.2Ghz GDDR3 chips out there, another 20% boost (hello 9600GT!) and you can push it to even more I heard. p/s: 4670 Crossfire Review. Nice punch, but still 4850's too cheap here. Good if you're planning for the future, though. http://www.hexus.net/content/item.php?item=15422&page=2Couldnt agree anymore, That 4670 chip with a better memory speed do have a lot of potential. I am not surprise someone out there later on will put a better memory speed to get extra punch out of it. AMD still manage to run this almost 80-90% of 3870 even with 128bit memory. That is something very good. |
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