AMD Announces R9 285 Graphics Card At Live Event
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AMD announced the R9 285 at its "30 Years of Gaming and Graphics" event.
AMD Announces R9 285 Graphics Card At Live Event : Read more
AMD Announces R9 285 Graphics Card At Live Event : Read more
More about : amd announces 285 graphics card live event
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Reply to N.Broekhuijsen
chaosmassive
August 23, 2014 10:49:32 AM
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SteelCity1981
August 23, 2014 11:35:21 AM
Zeroplanetz
August 23, 2014 12:21:13 PM
blubbey
August 23, 2014 12:49:08 PM
"On the other hand, the R9 285's 1375 MHz actual/5.5 GHz effective memory speed is notably faster than the 280's 1250 MHz/5.0 GHz specification, so net performance may be slightly faster."
Nope, not how memory bandwidth works. It's (bus width * "effective" ghz )/8 or (bus width * memory speed)/2 - in that case, it's usually 1000-1750MHz, effective's going to be 4-7GHz, unlikely you'll see lower/higher than that.. Doesn't matter if the memory's 1.1x faster if the bus width is 1.5x the size.
Sounds awesome...
Still need to wait review fo e this card to know its awesomenesa...
Nope, slightly slower 7950 if I'm not mistaken. 7970 is 2048:128:32@~925MHz iirc, this is 1792:112:32@918MHz. Not to mention the bandwidth difference, 2GB of 176GB/s v 3GB of 288GB/s.
Nope, not how memory bandwidth works. It's (bus width * "effective" ghz )/8 or (bus width * memory speed)/2 - in that case, it's usually 1000-1750MHz, effective's going to be 4-7GHz, unlikely you'll see lower/higher than that.. Doesn't matter if the memory's 1.1x faster if the bus width is 1.5x the size.
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Hd 7970 190 watt version...Sounds awesome...
Still need to wait review fo e this card to know its awesomenesa...
Nope, slightly slower 7950 if I'm not mistaken. 7970 is 2048:128:32@~925MHz iirc, this is 1792:112:32@918MHz. Not to mention the bandwidth difference, 2GB of 176GB/s v 3GB of 288GB/s.
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Reply to blubbey
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srap
August 23, 2014 1:25:24 PM
eklipz330
August 23, 2014 2:43:45 PM
army_ant7
August 23, 2014 2:49:02 PM
Is this an improved architecture or just another variation of the GCN like what could be found on the HD 7790 thus having True Audio and (I assume) actual game Freesync capabilities? That's the real question. If it's the former, then it could very well be on par with the HD 7970 with fewer cores and power consumption.
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Reply to army_ant7
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Haha looks like they were poking at Nvidia who charged a huge extra charge for its first Maxwell card, while AMD is charging close to its actual performance replaced card.
As for those questioning the architecture, unless they did a die shrink to 20nm like they have been planning I don't think they would of managed that big of a power reduction without changing the architecture. Given the major focus on the mobile market now though, they seem to be following Nvidia's plan and working on reducing power consumption while maintaining performance. Chances are this is a GCN2.1, GCN3.0, or a die shrunk GCN 2.0 architecture. Since GCN2 didn't change anything really for the shaders just added some extra features like True Audio DSPs there is no telling how much they have changed.
As for those questioning the architecture, unless they did a die shrink to 20nm like they have been planning I don't think they would of managed that big of a power reduction without changing the architecture. Given the major focus on the mobile market now though, they seem to be following Nvidia's plan and working on reducing power consumption while maintaining performance. Chances are this is a GCN2.1, GCN3.0, or a die shrunk GCN 2.0 architecture. Since GCN2 didn't change anything really for the shaders just added some extra features like True Audio DSPs there is no telling how much they have changed.
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Reply to IInuyasha74
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tomfreak
August 23, 2014 6:04:18 PM
semitope
August 23, 2014 7:23:19 PM
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only thing I see diff is the support of directx 12and trueaudio and freesync full support. They seem to be refreshing their old cards with newer features. This also shows that the reason AMD cards have high TDP and heat is probably the wider bus. I guess higher speed VRAM is the better route.
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Reply to semitope
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james pinnix
August 23, 2014 9:11:53 PM
vaughn2k
August 23, 2014 10:42:46 PM
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"On the other hand, the R9 285's 1375 MHz actual/5.5 GHz effective memory speed is notably faster than the 280's 1250 MHz/5.0 GHz specification, so net performance may be slightly faster."Nope, not how memory bandwidth works. It's (bus width * "effective" ghz )/8 or (bus width * memory speed)/2 - in that case, it's usually 1000-1750MHz, effective's going to be 4-7GHz, unlikely you'll see lower/higher than that.. Doesn't matter if the memory's 1.1x faster if the bus width is 1.5x the size.
Quote:
Hd 7970 190 watt version...Sounds awesome...
Still need to wait review fo e this card to know its awesomenesa...
Nope, slightly slower 7950 if I'm not mistaken. 7970 is 2048:128:32@~925MHz iirc, this is 1792:112:32@918MHz. Not to mention the bandwidth difference, 2GB of 176GB/s v 3GB of 288GB/s.
Now you have said it is slower than HD7950, could you please provide the number/s for comparison?
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Reply to vaughn2k
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SuperVeloce
August 24, 2014 1:39:34 AM
makaveli316
August 24, 2014 2:33:04 AM
the model doesn't justifies the card r7 265 is stronger than r7 260x and r7 260x is stronger than r7 260 so i was hoping that r9 285 would be better than r9 280x and will sit in the middle of r9 290 and r9 280x and will give a direct competition to the gtx 770 with better performance at low price but sadly seems nothing like that
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Reply to prit87
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blubbey
August 24, 2014 2:49:30 AM
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Now you have said it is slower than HD7950, could you please provide the number/s for comparison?
Both have 1792:112:32 cores, 285 has 918MHz boost v 925MHz boost 7950 . 285 has 2GB 176GB/s bandwidth v 7950's 3GB w/ 240GB/s.
Same core config, slightly slower clock speed, less memory, less bandwidth.
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Reply to blubbey
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KaiserPhantasma
August 24, 2014 3:14:11 AM
jdwii
August 24, 2014 10:11:07 PM
crisan_tiberiu said:
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only thing I see diff is the support of directx 12Support for DX12 is kind of a big deal.
AMD announced that all GCN cards will support DX12. So, anything above HD7xxx will support DX12, chill
Is having "support" for dx12 the same as enabling dx12 features?
Although i often wonder what defines support/features for newer versions of dx since shaders/cuda cores have been programmable for so long, shouldnt it just be a matter of updating the driver to support new dx features?
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Reply to iam2thecrowe
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icemunk
August 25, 2014 6:36:59 AM
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Reply to icemunk
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jdon
August 25, 2014 6:52:22 AM
PandaButtonFTW
August 25, 2014 7:34:52 PM
soccerplayer88
August 26, 2014 6:09:41 AM
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only thing I see diff is the support of directx 12Support for DX12 is kind of a big deal.
Just like DX11 was a "big deal"?
It doesn't matter what level of software that comes out, it's actually pushing developers to use said software technology. We've been stuck with DX9 games since it's inception with a few games tossed in here or there that actually support DX11 (mainly any game that's using CryEngine).
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Reply to soccerplayer88
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soccerplayer88 said:
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only thing I see diff is the support of directx 12Support for DX12 is kind of a big deal.
Just like DX11 was a "big deal"?
It doesn't matter what level of software that comes out, it's actually pushing developers to use said software technology. We've been stuck with DX9 games since it's inception with a few games tossed in here or there that actually support DX11 (mainly any game that's using CryEngine).
If people don't give a shit, developers will never adopt it. Luckily I am not alone in believing that pushing technology further is important.
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Reply to Junit151
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