New Arrival: AMD Radeon HD 7770 GHz Edition and 7750 Graphics Cards
New Arrival: AMD Radeon HD 7770 GHz Edition and 7750 Graphics Cards
Posted 02/15/2012 at 6:51am
| by Paul Lilly
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AMD is giddy as all get-out today over the arrival of its Radeon HD 7770 GHz Edition and HD 7750 graphics cards, the first of which is the world's first graphics card equipped with a 1GHz GPU, the Sunnyvale chip maker claims. The 7750's special talent is that it doesn't require its own separate power connector and pushing gaming grade pixels while staying under 75W.
"We were first to 40nm, first to 28nm and now we offer the world’s first GPU at 1GHz; this is a milestone for the graphics industry," said Matt Skynner, corporate vice president and general manager, GPU Division, AMD. "AMD continues to deliver superior performance, rich features and world-class power efficiency – we never stop innovating."
AMD's new HD 7700 Series features the chip maker's Graphics Core Next (GCN) architecture, the same as found in Tahiti, but at lower price points and with a slightly altered Compute Units arrangement. It's a new GPU known as Cape Verde that targets mainstream gamers.
The Radeon HD 7770 boasts a 1GHz engine clockspeed and 1GB of GDDR5 memory clocked at 1,125MHz on a 128-bit bus. It has 40 texture units, 16 ROPs, 1.5 billion transistors, 640 stream processors, 100W TPD, and is priced at $159.
AMD's 7750 sports a similar feature-set, but has 512 stream processors, 32 texture units, 800MHz core clockspeed, a 75W TDP, and is priced at $109.
Image Credit: AMD
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bigrigross
February 15, 2012 at 2:07pm
Umm, all you guys are missing the point. It scores a little bit lower than a GTX460 and GTS 550 but the point is that its doing with only 75 watts. That means that temps will be very low while providing a good gaming experience. It also means that these will give owners of pre-built Walmart computers the ability to game on their PC. This isn't a powerhouse, its a product that offers more accessibility since you don't need a powerful PSU to run it. Remember, no PCI-E 6pin connectors. Just board power.
LatiosXT
February 16, 2012 at 9:10am
As Anandtech put it, you get 90% of the performance of a 6850 with the 7750 (or something, I forget). You also pay 90% of the price. And since the features the two graphics cards are both miniscule and they'll be way obsolete by the time everyone gets around to using them, AMD is doing something wrong here.
Also noise doesn't seem to be much of an issue for graphics cards anyway until you get to the flagship models. Either gamers are wearing headphones or they're quiet enough that the speakers can easily outdo the noise. But as an HTPC, sure, but you don't need that much power anyway and Sandy Bridge is fine on its own.
dgrmouse
February 15, 2012 at 8:52pm
The reference 7770 does, in fact, require aux power. The nominal power draw isn't really that amazing, either. A die-shrunken Bart's Core 6850 would be equally efficient at load - bank on it. Either way, AMD's proposition is to sell you less for more. For me to get less performance per dollar now than two years ago on the basis of power savings, they're going to have to do MUCH better than this. Frankly, I'm offended at the offering.
bigrigross
February 16, 2012 at 11:35am
Ah, I didnt see that the 7770 needed an Auxiliary power. Well there goes my point on that. But im not sure why you bring up the 6850. It has to have the 6pin PCI-E power cable attached to it or it wont turn on (or worse, fry the board). Yes they are bit pricey, but if you have a cheaper computer, buying a 7750 and getting decent frame-rates in a game without having to buy a better PSU seems a little more worth it. Im just thinking of people who don't built their computers. We all know this is a bit more pricey and I buy Nvidia for my main rig so im used to more expensive cards I guess. I only put AMD on cheaper builds and clients who want a GPU to run games on their prebuilts. But I do see what all of you are saying.
And LatiosXT, I didnt say anything about sound. I just meant temps so that pre-builts and those cheap cases that people buy wont have to worry about good cooling since the TDP on these things are low.
I guess im just looking at this from a business standpoint.
dgrmouse
February 15, 2012 at 12:32pm
This 7770 is much slower than a two-year-old $139 6850, while costing $20 more. AMD is desperate to rip us off, and I hope they perish for it.
TommM
February 15, 2012 at 9:40am
I've seen a couple of reviews of these cards too and the performance is less than impressive. You're better off sticking with an older HD 6870.
LatiosXT
February 15, 2012 at 8:41am
Oh business development people, always scooting the numbers to get some marketing gimmick out the door.
1GHz is great, when it delivers. Like the Athlon. 1GHz isn't great when a lower speed outperforms it.
iceman08
February 15, 2012 at 7:22am
I've looked at a few different reviews, and it only makes me like the Nvidia cards, or even AMD's older cards. the power consumpiton is great, but it seems to lack much
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