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The AMD ATI Radeon HD 7770 measures 21cm (8.2in) long, the GPU core runs at 1GHz, it comes loaded with a 1GB frame buffer, the Radeon HD 7770 also carries 640 SPUs, 40 TAUs and 16 ROPs. The HD 7770 operates at near silence because even under load it only draws 80 watts and as little as 3 watts at idle, courtesy of the ZeroCore Power technology. Last but not least, AMD has included a single 6-pin PCI Express power connector.
Good performance at mainstream resolutions in current games.
Only needs one six-pin power connector.
Support for 4K video and other forward-looking features.
Small enough to fit almost any case.
Double wide card not suitable for everyone.
Doesn't outpace similarly priced Radeon HD 6850 on all tests.
4K video content and screens likely won’t be common for a year or more.
Price too high to be competitive.
Less expensive cards perform similarly.
Blocks a second expansion slot.
Requires one power supply connector.
By PCWorld New Zealand on May 17, 2012
Following on from our look at AMD’s latest úber-powerful graphics cards from their HD 7900 series, we now cast a glance down towards the other end of the performance spectrum at the HD 7700 series.Aimed towards HTPC (Home Theatre PC) users...
By PC Advisor on April 24, 2012
If you're a gamer, spend just a little more and you'll be a lot happier. If you're not, spend less and be just as happy with a card that's compatible with a wider range of PCs. We're not sure where the AMD Radeon HD 7770 fits in....
By X-bit Labs on April 24, 2012
The AMD Radeon HD 7770 GHz Edition and Radeon HD 7750 graphics cards have come to replace the Radeon HD 6770 and HD 6750 and are indeed faster, yet not fast enough to compete with Nvidia’s previous-generation solutions, particularly the GeForce...
By PCWorld on April 23, 2012
For gamers on a really tight budget, this is not a bad deal. But to get the most out of modern games, you'll need a more powerful...
By DigitalVersus on March 01, 2012
We were a bit disappointed by this model: we expected more in terms of performance. The battle is likely to be hard fought as this card will not only be competing with what remains of the old generation (Radeon HD 6850 in particular) but also...
By Computer Shopper on February 15, 2012
The Radeon HD 7770 GHz Edition offers the best overall gaming frame rates we've seen at or near its $159 price, plus the same future-looking features of AMD's much pricier cards. Its main limitation: At 1080p resolutions, you may have to dial...
By Overclock3D on February 15, 2012
Cards positioned at the £100-150 price-bracket have a very tough time indeed, such is the wealth of options available and the compromises that have to be made to get your GPU down to that price-point. This is especially true as time marches on...
By PC Pro on February 15, 2012
A minor improvement over last year's cards that needs to be cheaper to really...
By Expert Reviews on February 15, 2012
A fine mid-range card, but it's not a huge step up from its (now very cheap) predecessor...
By TechRadar on February 15, 2012
AMD showed its hand first in this year's GPU arms race with Nvidia... by turning it into last year's arms race. While Nvidia has kept shtum about its upcoming new 'Kepler' architecture and looks to do so until Spring, AMD stole the march...
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