Several AMD Radeon R9 285 Tonga based GPU cards Spotted

by Hilbert Hagedoorn on: 08/11/2014 10:17 AM | source: | 14 comment(s)

It was rumored already that AMD is about to release a R9 285 based on the new Tonga GPU. Tonga will likely have the very rather similar shader processor count as one of the "Tahiti" GPUs yet will have higher clocks and a 256-bit wide GDDR5 memory interface. These cards will get 2GB of graphics memory 2 GB of memory.

The Tonga graphics architecture will be built on the 28nm node from Global Foundries and would feature a new design scheme introducing latest architectural improvements such as new ACE (Asynchronous Compute Engine) Units and more focus towards compute shaders. The main focus of the Tonga GPU is said to be the power efficiency.

Tonga will keep the basic technologies of the Radeon lineup such as Mantle, TrueAudio and XDMA for CrossFire support. Little is officially known about long rumored Tonga, but the GPU should be locked and loaded with a 256bit interface that they should have 32 CUs and 2048 Shader processors. Next to that it should get 32 ROPs and 128 Texture memory units.

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fusion
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#4891561 Posted on: 08/11/2014 09:16 AM

rumopred... added to dictionary. Thanks

Undying
Senior Member

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Joined: 2008-08-28

#4891590 Posted on: 08/11/2014 10:28 AM

HH, when we can expect a review?

Hilbert Hagedoorn
Don Vito Corleone

Posts: 41121
Joined: 2000-02-22

#4891591 Posted on: 08/11/2014 10:31 AM

HH, when we can expect a review?

AMD hasn't shared info on that just yet. Might be a silent launch though.

JonasBeckman
Senior Member

Posts: 17476
Joined: 2009-02-25

#4891693 Posted on: 08/11/2014 02:40 PM

As a replacement for the regular 280 / 7970 shouldn't these be outright better when they call them for the 285? They have less vram and bus width or what it's called, maybe better clock speed or efficiency though and probably better energy usage.

6311
Senior Member

Posts: 4
Joined: 2014-08-11

#4891758 Posted on: 08/11/2014 04:31 PM

what with dp 1.2a or hdmi 2.0 ?

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