AMD's Radeon HD 6450: UVD3 Meets The HTPC
by Ryan Smith on April 7, 2011 12:01 AM ESTCivilization V
Civilization 5 is the latest incarnation in Firaxis Games’ series of turn-based strategy games. Civ5 gives us an interesting look at things that not even RTSes can match, with a much weaker focus on shading in the game world, and a much greater focus on creating the geometry needed to bring such a world to life. The DX9 version doesn’t use any tessellation, but that doesn’t mean it’s not an intensive game.
It’s fortunate that as a turn based strategy game, Civilization V doesn’t require great framerates. Because even with minimum settings under DX9 the 6450 struggles to break 30fps. The end result is playable, although it’s not going to be very smooth.
Compared to the 5450 this ends up being the best case of the night for the 6450; the 6450 more than doubles the 5450’s performance under Civilization V at both resolutions. We can’t be sure if we’re memory or shader bound, but we suspect it’s the latter. Meanwhile the 6450 does crush Intel’s HD graphics lineup here by nearly three-fold. The only place AMD comes up short is the same place they always come up short with Civ 5: against NVIDIA.
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ET - Thursday, April 7, 2011 - link
If you're worried about crossing the 25W line you can always slightly underclock it. That said, unless you intend to use it for gaming, folding or another such heavy task, it shouldn't come close to 25W, and from your description above it sounds like you're not planning such things.DjPete2008 - Friday, April 8, 2011 - link
According to this - http://www.rage3d.com/reviews/video/amd_hd6450_lau... - the idle power draw is actually less than the 5450.So it would probably be compatible with my system, and as ET said, I could also underclock it. Now to wait and see what retail products get released.
Wave_Fusion - Thursday, April 7, 2011 - link
Since the Turks architecture is what my 6770M is based on, I'm looking forward to see how the desktop versions do. It might not be as impressive in the desktop world, but as mobility cards go its not far from the top.evolucion8 - Thursday, April 7, 2011 - link
It is a good review, but I think that it might be more productive doing video quality analysis instead of gaming performance as no one will buy such low end card for gaming anyways. Or at least two or three gaming performance charts and the rest with video quality and performance analysis, good product overall, but in terms of gaming performance, I think that the GT 430 is a better option.Mishera - Friday, April 8, 2011 - link
I second that.I've been thinking about building a htpc using Amd's e-350, and was wondering if something like this would be useful from a feature/video quality perspective, or if the apu would be adequate on it's own.
ET - Friday, April 8, 2011 - link
I always find gaming potential interesting, but I think that 1680x1050 maximum quality with 4x AA isn't. I don't really need putting this in the perspective of all the other cards just to show it's not good for that. I want to know what it does work for. 720p would be a good testing point for an HTPC. 1280x1024 and 1024x768 aren't really in use these days.It might be a good idea for Anandtech to develop a low end gaming benchmark, with game and setting selections which are more useful to indicate the suitability of such low end hardware for some gaming. I know Jarred is working on a low end gaming article, but I'd love this to be put into standard reviews of such hardware.
7Enigma - Friday, April 8, 2011 - link
The majority of non-gamers (those that would probably buy this card not for HTPC), are on 17-19" monitors (ie those that come with the Dell/HP) computer and so I would argue that the 1280X1024 is likely the MOST important resolution to test.Still I agree with the above poster that the game tests are more of a formality and the focus should be on the video quality and performance analysis (specifically power draw doing common HTPC tasks not a load benchmark with crysis).
strikeback03 - Friday, April 8, 2011 - link
Unless that Dell/HP is pre-2005, it is probably not not 1280x1024. The various widescreen resolutions with between 768 and 900 pixels of vertical resolution have been more common for quite a while at those screen sizes.ET - Thursday, April 7, 2011 - link
Low end Llano chips will have 160 cores, but slower and with slower memory. That'd put it around HD 3000 or even under (and sometimes higher), but still over HD 2000.silverblue - Friday, April 8, 2011 - link
Tough call. Llano will have access to a dual channel memory bus of up to DDR3-1866 which theoretically should provide more bandwidth than the 6450, although it will have to share this with the rest of the system. Even so, this should still be plenty enough to beat HD 3000 regardless of what Llano model is in use, assuming the fastest memory is used.I believe Llano's true strength will be 720p with AA; even with 400 shader cores it's not going to be a monster and certainly won't be suited for 1080 gaming. Hell, I wouldn't even put my 4830 through that. One thing we really don't know right now is how many texture units and ROPs Llano actually possesses.