AMD Radeon HD 7970 GHz Edition "Tahiti XT2" Detailed

btarunr · Jun 15, 2012, 06:25 AM

We've known since May, the existence of a new high-end single-GPU graphics card SKU in the works, at AMD. Called the Radeon HD 7970 GHz Edition, the SKU is being designed to regain AMD's competitiveness against NVIDIA's GeForce GTX 680. We're hearing a few additional details about the SKU. To begin with, AMD has worked with TSMC to refine the chip design. The Tahiti XT2 will be able to facilitate significantly higher clock speeds, at significantly lower voltages, than the current breed of Tahiti XT chips.

Tahiti XT2, or Radeon HD 7970 GHz Edition, will ship with a core clock speed of 1100 MHz, 175 MHz faster than the HD 7970. The GPU core voltage of Tahiti XT2 will be lower, at 1.020V, compared to 1.175V of the Tahiti XT. It's unlikely that AMD will tinker with memory clock speed, since Tahiti already has a 384-bit wide GDDR5 memory interface, which gives it 264 GB/s memory bandwidth at 1375 MHz (5.50 GHz effective). According to the source, the new SKU enters mass-production next week. So best case, it should reach markets by late-June or early-July.

Source: OCaholic.ch

Melvis · Jun 15, 2012, 06:31 AM

This should be called the 7990 like the 4890 was.

Nice to see higher clocks and lower voltage, well done AMD.

But is it enough?

btarunr · Jun 15, 2012, 06:39 AM

I have reason to believe this SKU will succeed (at beating GTX 680). MSI R7970 Lightning, with lower GPU clock (1070 MHz) beats GTX 680, and the Tahiti XT2's lower voltages could result in lower power draw and possibly higher OC headroom.

james888 · Jun 15, 2012, 06:41 AM

So... Worth it?

acerace · Jun 15, 2012, 06:41 AM

Haters gonna hate.

silapakorn · Jun 15, 2012, 06:59 AM

Already got two GTX670 for SLI. There's nothing AMD can do to interest me, at least for a couple years.

Zakin · Jun 15, 2012, 07:02 AM

Well with a setup like GTX 670s I don't think anything should interest you for quite some time from either party.

Melvis · Jun 15, 2012, 07:02 AM

Quote:

Originally Posted by silapakorn

Already got two GTX670 for SLI. There's nothing AMD can do to interest me, at least for a couple years.

I find that an odd thing to say, as i can say the same thing, im happy with my 2 4870X2's in crossfire for the next few yrs also or until they die? i just dont under stand your comment?

repman244 · Jun 15, 2012, 07:03 AM

FirePro W9000 (Dual GPU)

http://www.4gamer.net/games/135/G013536/20120615004/

james888 · Jun 15, 2012, 07:06 AM

Quote:

Originally Posted by repman244

FirePro W9000 (Dual GPU)
http://www.4gamer.net/games/135/G013...004/SS/002.jpg

http://www.4gamer.net/games/135/G013...004/SS/005.jpg

http://www.4gamer.net/games/135/G013...004/SS/004.jpg

http://www.4gamer.net/games/135/G013536/20120615004/

Bad link, no pics

repman244 · Jun 15, 2012, 07:08 AM

Quote:

Originally Posted by james888

Bad link, no pics

Hm weird it worked for a few minutes

EDIT: fixed

thunderising · Jun 15, 2012, 07:16 AM

Quote:

Originally Posted by james888

So... Worth it?

It sure is to me. 1100 MHz on a much lower core voltage. Seems magical.

Needs 7GT/s memory to make it a monster

the54thvoid · Jun 15, 2012, 07:18 AM

Have to say, that's a higher than expected clock speed (nearly 19% higher than the original 925MHz). And a much lower voltage too.

I'm looking forward to seeing reviews.

And pricing.

Edit: form the source

Quote:

According to our source the Tahiti XT2 chip will be also powering the Radeon HD 7970 X2 for sure

If that maintains the 1100 clock speed, it will beat the 690.

boomstik360 · Jun 15, 2012, 07:42 AM

Damn, yet another reason to hold off on buying a 680 lol...

alwayssts · Jun 15, 2012, 07:47 AM

1100mhz at 1.02v? That's pretty impressive.

Makes me wonder if it's tuned to clock at the high-end range of 28nm (~1200-1300mhz) at the leakage curve which is somewhere around 1.175v. That would be pretty neat and if curious if the process as a whole is being tuned toward that idealism. It makes sense and could be a stepping stone towards why TSMC is adopting a singular performance/leakage level for 20nm. Guess we'll see, but I think it could be a huge indicator.

Agree it shouldn't need higher mem speeds, but that's pretty close to matching memory bandwidth with computational ability...which is smart and something they really should have done from the beginning. Should, in theory, out-of-the box give it a tangible benefit very close, to slightly better, than what even an overclocked 7gbps (figuring ~7700mhz) 256-bit design can achieve when (big 'when' I suppose) those resources are used. Good play capitalizing on the design strong-points and delivering a compelling reason for their decisions with Tahiti.

HellasVagabond · Jun 15, 2012, 08:13 AM

1) Wait until it actually gets released (it may be as they say now but until it gets released many things could change).
2) Price (If it retails around the same price as the 680 and it's slightly faster we also need to take into consideration the upcoming NV specific features / GRID - VGX)

amdftw · Jun 15, 2012, 08:30 AM

The new King!
If it can overlcok to 1300-1400MHz it will be a monster!

Protagonist · Jun 15, 2012, 09:44 AM

Will it have shenanigans boost technology like Nvidia? nah i guess it don't need it.

Dj-ElectriC · Jun 15, 2012, 09:46 AM

DIY, i really hope for good numbers from such a cards (not only Mhz\power\Voltage ratio but also price)

Prima.Vera · Jun 15, 2012, 10:18 AM

Quote:

Originally Posted by james888

So... Worth it?

Nothing is worth at the moment, the age of console ports and Diablo 3 - 10 years ago graphics. Common!

hardcore_gamer · Jun 15, 2012, 11:19 AM

Even if it beats GTX680, AMD will price it close to $500. Nvidia will not reduce the price of GTX680 because they can't produce enough chips to supply the demand.

This is not the AMD we used to know.

fullinfusion · Jun 15, 2012, 11:19 AM

Sounds like amd don't have anything up it's sleeve for awhile if there just binning for higher clocks.

INSTG8R · Jun 15, 2012, 11:20 AM

Typica! I buy a 7970 like a week ago and now this...

hardcore_gamer · Jun 15, 2012, 11:29 AM

Quote:

Originally Posted by fullinfusion

Sounds like amd don't have anything up it's sleeve for awhile if there just binning for higher clocks.

I'm not surprised. They already launched 77, 78 and 79 series cards. 7990 and 7970x2 will be launched soon. That ends this generation of GPUs from AMD. We won't see the 8X series before Q1 2013.

phanbuey · Jun 15, 2012, 11:57 AM

They already screwed themselves. Anyone who was willing to spend $550 for the 7970 already did so. And this little boost is not going to make anyone drop their 670s or 680s to spend $500 and get a whopping 5% boost.

Plus, nvidia's 670 is prime for a good price drop, which is all they would have to do to counter this card.

Jun 15, 2012, 06:25 AM	#1
btarunr Editor & Senior Moderator Join Date: Oct 2007 Location: Hyderabad, India Posts: 14,982 (7.30/day) Thanks: 788 Thanked 12,899 Times in 5,650 Posts System Specs	AMD Radeon HD 7970 GHz Edition "Tahiti XT2" Detailed We've known since May, the existence of a new high-end single-GPU graphics card SKU in the works, at AMD. Called the Radeon HD 7970 GHz Edition, the SKU is being designed to regain AMD's competitiveness against NVIDIA's GeForce GTX 680. We're hearing a few additional details about the SKU. To begin with, AMD has worked with TSMC to refine the chip design. The Tahiti XT2 will be able to facilitate significantly higher clock speeds, at significantly lower voltages, than the current breed of Tahiti XT chips. Tahiti XT2, or Radeon HD 7970 GHz Edition, will ship with a core clock speed of 1100 MHz, 175 MHz faster than the HD 7970. The GPU core voltage of Tahiti XT2 will be lower, at 1.020V, compared to 1.175V of the Tahiti XT. It's unlikely that AMD will tinker with memory clock speed, since Tahiti already has a 384-bit wide GDDR5 memory interface, which gives it 264 GB/s memory bandwidth at 1375 MHz (5.50 GHz effective). According to the source, the new SKU enters mass-production next week. So best case, it should reach markets by late-June or early-July. Source: OCaholic.ch

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Jun 15, 2012, 06:39 AM	#3
btarunr Editor & Senior Moderator Join Date: Oct 2007 Location: Hyderabad, India Posts: 14,982 (7.30/day) Thanks: 788 Thanked 12,899 Times in 5,650 Posts System Specs	I have reason to believe this SKU will succeed (at beating GTX 680). MSI R7970 Lightning, with lower GPU clock (1070 MHz) beats GTX 680, and the Tahiti XT2's lower voltages could result in lower power draw and possibly higher OC headroom. __________________ Gadgets, Phones, Tablets, Cameras, TVs, HiFi...NextPowerUp

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Jun 15, 2012, 06:31 AM	#2
Melvis Join Date: Mar 2008 Location: Australia Posts: 2,929 (1.55/day) Thanks: 602 Thanked 459 Times in 381 Posts System Specs	This should be called the 7990 like the 4890 was. Nice to see higher clocks and lower voltage, well done AMD. But is it enough?

Jun 15, 2012, 06:41 AM	#4
james888 Join Date: Jun 2011 Location: Idaho Posts: 2,269 (3.27/day) Thanks: 453 Thanked 427 Times in 319 Posts System Specs	So... Worth it? __________________ My Heat Natural Selection 2 (NS2) - FPS/RTS with depth. Link. Studios and publishers seem to have forgotten that games are supposed to be games, not CG films with playable action scenes. Link.

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Jun 15, 2012, 06:41 AM	#5
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Jun 15, 2012, 06:59 AM	#6
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Jun 15, 2012, 07:02 AM	#7
Zakin Join Date: Nov 2011 Posts: 73 (0.13/day) Thanks: 3 Thanked 6 Times in 4 Posts	Well with a setup like GTX 670s I don't think anything should interest you for quite some time from either party.

Jun 15, 2012, 07:03 AM	#9
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Jun 15, 2012, 07:42 AM	#14
boomstik360 Join Date: Mar 2009 Posts: 2,183 (1.43/day) Thanks: 458 Thanked 422 Times in 360 Posts System Specs	Damn, yet another reason to hold off on buying a 680 lol... __________________ Heatware “3 year warranty... LOL playing the games in 3 years with a gtx 470 you'll probably be running 10fps and complaining that you don't have DX14” -Suprcynic

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Jun 15, 2012, 07:47 AM	#15
alwayssts Join Date: May 2008 Posts: 173 (0.09/day) Thanks: 6 Thanked 34 Times in 23 Posts System Specs	1100mhz at 1.02v? That's pretty impressive. Makes me wonder if it's tuned to clock at the high-end range of 28nm (~1200-1300mhz) at the leakage curve which is somewhere around 1.175v. That would be pretty neat and if curious if the process as a whole is being tuned toward that idealism. It makes sense and could be a stepping stone towards why TSMC is adopting a singular performance/leakage level for 20nm. Guess we'll see, but I think it could be a huge indicator. Agree it shouldn't need higher mem speeds, but that's pretty close to matching memory bandwidth with computational ability...which is smart and something they really should have done from the beginning. Should, in theory, out-of-the box give it a tangible benefit very close, to slightly better, than what even an overclocked 7gbps (figuring ~7700mhz) 256-bit design can achieve when (big 'when' I suppose) those resources are used. Good play capitalizing on the design strong-points and delivering a compelling reason for their decisions with Tahiti.

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Jun 15, 2012, 08:13 AM	#16
HellasVagabond Join Date: Jan 2007 Location: Athens , GREECE Posts: 2,695 (1.16/day) Thanks: 14 Thanked 168 Times in 140 Posts System Specs	1) Wait until it actually gets released (it may be as they say now but until it gets released many things could change). 2) Price (If it retails around the same price as the 680 and it's slightly faster we also need to take into consideration the upcoming NV specific features / GRID - VGX) __________________ Guides For GPU Power Users (Sometimes its Good to pay tribute to some people instead of copy pasting their guides.)

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Jun 15, 2012, 08:30 AM	#17
amdftw Join Date: Mar 2012 Posts: 24 (0.06/day) Thanks: 0 Thanked 3 Times in 3 Posts	The new King! If it can overlcok to 1300-1400MHz it will be a monster!

Jun 15, 2012, 09:44 AM	#18
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Jun 15, 2012, 09:46 AM	#19
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Jun 15, 2012, 11:19 AM	#21
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Jun 15, 2012, 11:19 AM	#22
fullinfusion 1.21 Gigawatts Join Date: Jan 2008 Location: CANADA Posts: 5,448 (2.78/day) Thanks: 2,688 Thanked 1,294 Times in 1,092 Posts System Specs	Sounds like amd don't have anything up it's sleeve for awhile if there just binning for higher clocks.

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Jun 15, 2012, 11:20 AM	#23
INSTG8R Join Date: Nov 2004 Location: Lost in Norway Posts: 2,581 (0.83/day) Thanks: 934 Thanked 378 Times in 320 Posts System Specs	Typica! I buy a 7970 like a week ago and now this... __________________ Sys. Specs. i7 2600K@4.6\|ASUS P67 Sabertooth\|2x4096 Corsair Vengence 1600 \|Sapphire HD7970 OC\|WD Caviar Black 6.0Gbps 1TB x2@RAID 0\|SB X-Fi Fatality Pro\|TT Toughpower 1.2kW\|TT Kandalf L.C.S.\|Acer V243H 24" 1920x1080\|Logitech G25\|Logitech G500\|Logitech G19\|Saitek X-52 Pro\|TrackIR4 w/Trackclip Pro

System Name:	Hellbox 2.1(same case new guts)
Processor:	i7 2600k@4.6(1.36V max)
Motherboard:	Asus P67 Sabertooth
Cooling:	TT Kandalf L.C.S.(Water/Air)AC Cuplex Kryos CPU Block
Memory:	2x4096 Corsair Vengance 1600
Video Card:	Sapphire HD7970 OC Edition(1000/1450)
Hard Disk:	WD Caviar Black SATA 3 1TB x2 RAID 0
Optical Drive:	LG GSA-4166B DVD+RW DL/DVD-RAM
CRT/LCD Model:	Acer V243H 24" 1920x1080
Case:	TT Kandalf L.C.S.
Sound Card:	X-Fi Fatality Pro Champion on Creative/SBS 650s
PSU:	TT Toughpower 1200W
Software:	Win7 Pro x64