Review: AMD Radeon HD 7750

Aimed towards HTPC (Home Theatre PC) users, the HD 7750 represents the bottom end of AMD's Southern Islands family of graphics cards.

NameGraphics cards: AMD Radeon HD 7750
At a glance:From AMD’s latest budget series of video cards,Capable of running modern games smoothly at lower settings,Good HTPC and video processing capabilities,HDMI, DVI and DisplayPort connections
Summary:A bit noisier than it really should be but makes up for it in lack of power requirements, size, and price.
Rating:3.5/5
RRP:$179
Contact:amd.com

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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 and gamers on a budget, the HD 7770 and HD 7750 represent the bottom end of AMD’s Southern Islands family of graphics cards (the HD 7970 and HD 7950 are at the top end, with the HD 7870 and HD 7850 in the middle).

Despite being the cheapest cards from the new range, this segment of the GPU market is the most competitive – far more “budget” video cards are sold each year compared to “enthusiast” cards – so consumers expect top bang-for-buck as well as the latest features.

The HD 7750 is akin to AMD’s last-generation HD 6750 (which itself was literally just a re-badged HD 5750). At $179 it features 512 stream processing units running at 800MHz, along with the same 1GB of GDDR5 memory running at 4.5GHz as the HD 7770.

A big drawcard for all these Southern Islands cards is their GPGPU capabilities, such as hardware-accelerated video encoding (similar to Intel’s Quick Sync technology). Unfortunately at time of writing AMD had not yet enabled this feature in their drivers and there was no software available to test it, so it is something we will have to follow up on in future.

So what are these cards best suited for, in practical terms? In our gaming test suite the HD 7770 scored an average of almost 40 FPS (frames per second) across a range of titles at high quality settings compared to less than 33 FPS from the 7750, both of which are actually respectable figures for “budget” cards. After turning the graphics settings down in Battlefield 3, I found the HD 7770 ran ‘medium’ settings at a comfortable 50 FPS, whilst the HD 7750 had to use ‘low’ mode for the same performance.

As for HTPC use – both are similar in terms of video processing capabilities (see our HD 7950 and HD 7970 reviews for more info) so you would really need to weigh up what factors are more important to you out of power, heat, size and noise. The HD 7770 is a physically much longer and wider card (could be a problem in ultra-small cases), plus it requires a 6 pin power connector where the HD 7750 runs solely on motherboard power.

On the flipside the larger cooler exhausts a lot of heat externally and can run quite quietly, as opposed to the HD 7750 which just pushes all waste heat around the inside of your case and has a small, high-RPM fan that can get annoyingly noisy under any sort of sustained load.

If you intend to do any sort of gaming then the HD 7770 is definitely the way to go, otherwise if you are really stretched for budget then the HD 7750 would still be a decent upgrade from something like an “onboard” GPU, and both of them would be fine for HTPC use, bearing in mind the small caveats mentioned above.

Benchmark/StatDetailsAMD Radeon HD HD 7970AMD Radeon HD HD 7950AMD Radeon HD HD 7770AMD Radeon HD HD 7750Nvidia GTX 580AMD Radeon HD 6850
3DMark 11 (score)Performance

(1280 x 720)

785767593467268266893696
Battlefield 3 (FPS)High88.273.639.329.368438.9
S.T.A.L.K.E.R. Call of Pripyat (FPS)Ultra, DX11, 4xAA, HBAO high, Tesselation enabled102.986.442.332.188.243.5
Unigine Heaven 2.5 (FPS)Default67.358.730.424.655.731.6
Trackmania Nations Forever (FPS)Very high, 4xAA84.583.562.356.9117.069.6
Anno 2070 (FPS)Very high51.742.425.121.342.926.2
Average FPS78.968.939.932.874.442.0
RRP incl GST$899$699$239$179$799$249
Dollars per FPS (lower = better)$11.39$10.14$5.99$5.45$10.73$5.93

Tags gpuhd7750graphics card

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Paul Urquhart

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