PowerColor Radeon HD 7730 1GB Graphics Card Review



/ 1 year ago

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Introduction


Powercolor HD 7730 (6)

We’ve been tracking AMD’s HD 7730 for quite some time and now it is finally upon us. AMD’s HD 7730 GPU is a cut-down version of the HD 7750 GPU and it uses a special Cape Verde LE GPU. This Cape Verde LE GPU is essentially a HD 7750 with two compute units out of eight switched off. This means the HD 7730 has 384 stream processors, 6 compute units, 24 texture units and 16 ROP units. It runs with default clocks of 800MHz on the core and 4.5GHz effective on the VRAM which is available in either 1GB of GDDR5 or 2GB of DDR3, note the 2GB DDR3 model runs at an effective memory speed of 1.8GHz. We have the 1GB GDDR5 model which despite having less frame buffer is much faster than the DDR3 equivalent because of the significantly greater memory bandwidth.

The HD 7730 is interesting because it features 384 GCN cores, much like the highest spec AMD Kaveri APU will feature when it comes out next year. So while this is a HD 7730 review, you should be able to get an idea of Kaveri’s GPU performance based on this. Notably of the A10-7800K, if AMD follow the same naming pattern, as the A10-7800K will feature 384 GCN cores. The model we have here today is branded Powercolor but its pretty much as close to a reference design as you’re going to get and will be one of the cheapest HD 7730s on the market. The HD 7730 will be priced in between the HD 6670 and the HD 7750. In the longer term it will phase out the ageing HD 6670. This card is totally powered by the motherboard and has a rated TDP of just 45W.

The front of the box points out the key features – GCN, Direct X 11.1, PCIe 3.0 and 1GB of GDDR5.

Powercolor HD 7730 (1)

The back goes into a bit more detail and we can see the card uses a 128 bit memory interface.

Powercolor HD 7730 (2)

Included with the card is a very basic package, a quick install guide, a driver disc and a DVI to VGA adapter. While many may say DVI to VGA adapters are useless, I disagree at this price-point they are essential as a lot of people may still be using old VGA monitors and this card has no VGA outputs.

Powercolor HD 7730 (3)

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  • Derek Johnstone Macrae

    not bad, not bad at all, hopefully those new apu’s will support the 7730 in hybrid crossfire, DO not buy the ddr3 version, its wasting money, make sure and buy the gddr5 version, you can purchase a 6670 gddr5 for around £45, if you shop around, so £50-£55 for this card is spot on, thanks for the review Eteknix, spot on as usual.

  • Harlequinuk

    shame you don’t compare against the 6670 :( – would love to know how much of an upgrade this would be to a GDDR5 version of the 6670 my kids have

    • http://www.eteknix.com/ Ryan Martin

      I am sorry we couldn’t get a HD 6670 in as they are too old for vendors to provide them. I did however find this – http://media.bestofmicro.com/H/K/394616/original/Average-Perf.png which shows that GDDR5 vs GDDR5 you’re looking at about 7.5-10% more for the HD 7730. Power consumption is more or less identical too. http://www.tomshardware.com/reviews/radeon-hd-7730-cape-verde-review,3575.html I’d definitely encourage you not to bother making the upgrade from the HD 6670. It really isn’t worth it, I’d say the minimum you should consider is a HD 7750, ideally a HD 7770 if you really want to see a noticeable improvement. The HD 7730 compared to the HD 6670 is just a generational boost, nothing significant, but since it comes in at a similar price if you made any new builds i’d definitely get this over the HD 6670 if the price is right.

      • Harlequinuk

        thank you! if you want to borrow one – im sure my kids could `lose` there pc for a few days ;) – but I guess your right about either a 750/70 or maybe even waiting!

  • Jason Castleberry

    My 6570 has 480 stream processors, how is it going to phase out the 6670?

    • http://www.eteknix.com/ Ryan Martin

      More processors doesn’t mean more performance. The HD 6670 is about 10% faster than the HD 6570. The HD 7730 is about 7.5-10% faster than the HD 6670.

    • MAL22

      Stop comparing SPUs (stream processing units) between generations. The GCN SPUs in the HD7000 are MUCH more powerful than those in the HD6000 and HD 5000. Heck, this little 7730 DESTROYS my HD4650 which has around 320 SPUs. Just like my 800 SPUs HD5770 gets torn apart by the 640 SPUs HD7770.

      On NVIDIAs side, their GTX 600 take around twice the number of cuda cores compared to the GTX 500 in order to be as powerful. HOWEVER, the kepler cores are much more energy efficient and thus, the 650ti is on par with the 560ti. But it consumes around 75% less energy then the 560ti