AMD Tonga - Rumored Specifications

Written by Markus Jacalne on Sat, May 31, 2014 3:00 PM

The rumor mill is at work again it seems, this time we’ve got a bit of news on AMD’s upcoming Tonga GPU.

According to the rumor, AMD is working on an efficient mid-range-to upper-midrange GPU called Tonga, to compete with the GTX 750 and the GTX 750 Ti, or perhaps mid-range Maxwell cards in general…

According to the rumor Tonga will be Tahiti’s successor, featuring a scaled down Hawaii core, with a 256-bit memory bus, and will probably feature 7GHz effective GDDR5 memory modules. It has also been speculated the card would be named R9-275, however, it appears to have been shifted up a tier to R9-285, and is supposed to be based on GCN 2.0 rather than GCN 1.1 that Hawaii and Bonaire are based on. It is not certain whether or not it will be based on 20nm nodes since TSMC has not made the change yet…

The card is expected to launch Q3 of 2014, most likely after Computex 2014.

What do you make of AMD’s attempts to create a more efficient card, in light of their problems with heat and power consumption for their high end cards? Do you feel like this could be a potential upgrade for you rig? Or do Maxwell options seem more appealing?

Let us know your thoughts!

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00:12 Jun-04-2014

Good thing AMD is making more power and heat efficient card to match Nvidea

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20:04 Jun-01-2014

Can anyone think of any suggestions regarding this build.
http://uk.pcpartpicker.com/user/whataboutyamcha/saved/LPfhP6


                  Thanks
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20:12 Jun-01-2014

Great build mate ! :) i will get my 280x or 290x soon :))

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00:01 Jun-02-2014

280X wouldn't really be worth it for you, but if I were you I would wait for the next gen AMD cards.

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06:44 Jun-02-2014
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13:10 Jun-01-2014

All because of tonga. Wow!!! Nice Card and appreciable specs

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12:16 Jun-01-2014

So let me get this straight..This will be powerful than R9-280x and similarin price to?

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18:50 May-31-2014

if so, then I'd predict it as "the best deal" card of whole gfx cards range, we'll see :)

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19:12 May-31-2014

looking forfward for 285 :)

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19:13 May-31-2014

looking forward to...uhm actually I'm pretty happy with what I have now....hmm I know! looking forward to new Windows :)

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19:14 May-31-2014

How do yoy know that when we don't know the price :D

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19:29 May-31-2014

@Mark1996 I'm sorry but is your rig real?

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19:36 May-31-2014

No lol, that one was a joke :P
Current one is real

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17:18 May-31-2014

This will be my upgrade for sure, my outdated gpu is no longer good for 1050p

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19:12 May-31-2014

unfortunately the hd 6xxx series does not support mantle if they ware then your gpu should be still good but however with that gpu you can run every game you want but you should lowers settings still its not outdated

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19:12 May-31-2014

you should aim for 256-bit bus graphics card for 1080p indeed :)

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21:10 May-31-2014

ofcourse, this gpu will be 256 bit right?

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16:42 May-31-2014

I thought R7 265 competes with 750 ti

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16:47 May-31-2014

that gpu is even better then 750ti just check the benchmarks

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17:18 May-31-2014

true the r7 265 is 10-15% better than the gtx 750ti

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10:26 Jun-01-2014

But can it run of pci-e slot power only?

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15:43 May-31-2014

You mean its safe to say you like AMD in the comments :O and wont be judged?!??! .....O happy day

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15:45 May-31-2014

I prefer nvidia because of shadowplay and physx, but because amd is so much cheaper in the high end region, I would go with amd.

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15:50 May-31-2014

I have no real use for shadowplay since i dont capture game footage...Physx was really the only feature i liked but i figured it would stress the GPU a little more and ill drop frames. I rather just have everything above 60fps and on ultra

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16:00 May-31-2014

But thats just me and i understand people have different tastes, i just wish people would stop hating on AMD pretending like they dont have really awesome cards. +1

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16:08 May-31-2014

dxtory is great program for rec. far better then fraps fps loses like 5 or 10 fps dont know really how much does eat fps however im looking forward for this series of card meybi the r9 285 would be great upgrade for me

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15:24 May-31-2014

This is why I've chose AMD over Nvidia. The cost-to-performance ratio is unmatched.

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15:27 May-31-2014

Yes I am looking and building a new PC sometime soon. If I had to build one now I would choose the r9 290 over the GTX 780 because the r9 290 starts at 320 euros and the GTX 780 starts at 400 euros.

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15:32 May-31-2014

not necessarily
GTX 660
R9-270
Edit: there's a price difference betwen top end cards but the same rule doesn't apply to the others

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15:51 May-31-2014

ah my bad, that gtx 660 you gave me is still cheaper than the cheapest r9-270 on mind factory though

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16:17 May-31-2014

Yeah but its also about 10% better :D

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16:24 May-31-2014

i'd say they're much closer than that, on top of that.. either of them can outperm eachother in different games

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17:16 May-31-2014

kazalethon the gtx 660 is old gen, ofcourse it will be much cheaper than it's starting price point, the hd7850 can be found for 120-140$ atm. and you've chosen the most expensive r9 270x, there are ones which cost 180$

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18:06 May-31-2014

r9-270 is the same as hd 7870 which is about the same as gtx 660 i know my first comment was not good, i have't noticed the X and vram size.. i admited that later, the performance and price of gtx 660 and r9-270/HD7870 is similar, google it

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21:09 May-31-2014

the hd 7870 is quite better than the 660, the gtx660 is the hd7850's rival

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21:20 May-31-2014

I don't agree buddy. In certain games the 7870 pulls ahead. In others the 660 takes the lead. Check THIS as well.

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22:51 May-31-2014

HD7870 features a proper 256-bit with 2GB VRAM..That is proper memory config
On the other hand I wont recommend GTX660 which is weird memory config..192-bit handling 2gigs of RAM..This can present and is presenting problems in VRAM demanding games like WD for GTX660.
Check HERE
Even GTX750ti which is weaker than GTX660 has better minimum fps and no stuttering..Why?Because it features a proper memory handling system unlike GTX660.And not to forget GTX660 is a lousy overclokcer while HD7870 is amazing that way.
In the end I would say HD7870>GTX660

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09:48 Jun-01-2014

144 gb/s vs 153 gb/s, i doubt that's a noticeable difference, 192 is as weird as 256 because instead of 4x 64 bit modules.. it has 3 but compensates with higher memory clock speed, watch dogs' optimization is crazy, i also had drops to 5 fps in some places so i don't believe you can compare the two cards that way, even if there's a bottleneck, 86 gb/s of gtx 750ti won't come close to 144 gb/s, i won't argue with you that HD7870 is better in watch dogs but i'd like to repeat that it depends on the game

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10:11 Jun-01-2014

Ok then wait for more optimized games and you will see the problem there as well
btw even GTX660ti encounters the same problem as GTX660 in WD but GTX760 does not encounter that problem...I wont blame that on coincidence or bad optimization of the game because its too simple I did not find any 650ti boost benchmarks but I can bet it will have that problem as well
But anyway HD7870 is a better card in 90% of the ways period.

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10:47 Jun-01-2014

sigh.. you sound like a fanboy now

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11:33 Jun-01-2014

Both GTX660ti and GTX760 has the same GK104 architecture but one has weird memory config other has proper GTX660ti drops fps and has stuttering and GTX760 doesnot shows GTX660 is therefore also not better than HD7870.I dont what fanboyism is in this comment..I am simply using results and evidence to explain
Btw this is my first AMD card and I am planning to buy an Nvidia next if its upto scratch.. sad to see you draw such negative conclusions. Especially when a person is giving you evidence.

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11:44 Jun-01-2014

Crysis 3
Far Cry 3
Arma 3


"HD7870 is a better card in 90% of the ways period" sounds like fanboy to me

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11:53 Jun-01-2014

Did anywhere above I say HD7870 was better in those games?..I said for upcoming games and overclocking potential and overall stuff like mantle support better performance with AA and that sort of stuff that more or less means majority of the stuff.Check my last comment before this one and check with open eyes what I wrote there.I wont comment anymore since you are clearly taking thing out of context.

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12:06 Jun-01-2014

how do you know how the upcoming games will be and that they'll work better on some cards than on others? you can overclock a lot with almost any card if you unlock the voltage and nobody knows if mantle will become the main API or will just gather dust

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15:17 May-31-2014

I will wait than to buy some of these i just hope there will be some new high end gpus to :) if not i will go for 290x :)

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15:15 May-31-2014

If it's a scale down Hawaii GPU, how can it be 20nm? It can't, can it?

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15:47 May-31-2014

They can use a die shrinked version of the Hawaii Chip.


NVIDIA did the same thing, GTX280 and GTX285

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19:45 May-31-2014

Not in a thousand years and AMD is not NVIDIA. They never did and will never do that lol

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07:53 Jun-01-2014

I have no idea what you're trying to say xD
It says in the text that it's not 20nm as tsmc (and GlobalFoundries for that matter) have trouble with the node...

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08:58 Jun-01-2014

They have no problems with node, problem is that there are bigger players like Apple using it to make their own crap

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10:50 Jun-02-2014

Yeah someone edited my article's key bits without asking...... It was originally "Tonga may feature a scaled down Hawaii core, or a GCN 2 core on a 20nm node."

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15:04 May-31-2014

Good job AMD!

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