AMD's Radeon HD 6450: UVD3 Meets The HTPC
by Ryan Smith on April 7, 2011 12:01 AM ESTDIRT 2
Codemasters’ 2009 off-road racing game continues its reign as the token racer in our benchmark suite. DiRT two makes pretty thorough use of the DX11’s tessellation abilities, however here we’re forcing DX9 mode in the name of performance.
Under DX9 DiRT 2 runs well enough that we can use Medium quality on most video cards. By the time we’re down to 1024x768 the 6450 is up to 47fps, which is more than enough for a racing game. Once again the 6450 is well ahead of the 5450, albeit only by around 60% this time. The Intel HD series is also quite far behind, with the 6450 beating the HD 3000 by over 50%. It’s compared to the GT 430 and the 5570 that the 6450 falters, as each has over 60% on AMD’s latest card.
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Andrew Rockefeller - Thursday, April 7, 2011 - link
I'm a bit psyched at the prospect of a passive 6XXX series card. Rumour has it that Llano will be hybrid crossfire capable with such a card. It is a piece in the puzzle for my ultimate 'completely passive' yet still decently powered HTPC build.. hopefully coming to my loungeroom sometime Q3.EmmetBrown - Thursday, April 7, 2011 - link
For the image quality. JPG introduces more distortion.DanNeely - Thursday, April 7, 2011 - link
More video ports. I have 3 monitors (2x20, 1x30); and since that's not an eyefinity supported setup I stuck a 5450 in next to my 5870 to run the 3rd screen. It wasn't any more expensive than a DP-DVI adapter and came without the compatibility/reliability nightmare the adapter came with.casteve - Thursday, April 7, 2011 - link
A lower power way to get multi monitor support. Catalyst doesn't downclock the memory if you have more than 1 monitor plugged into a video card. On a 5770, that's 30W extra when idling or doing any 2D (non-gaming) function. Plug a 2nd monitor into a 6450 and lower power consumption by ~20W.Ryan - will there be an addendum to cover the HTPC tests? Can you add power use during some typical apps (playing 1080P content, etc)?
Ryan Smith - Thursday, April 7, 2011 - link
Yes, there will be an addendum. Ganesh (our HTPC/media streamer guru) will be looking at a 6450 in an HTPC setup. I can't promise what tests he'll run though, so you would have to talk to him.bobbozzo - Tuesday, April 12, 2011 - link
In the HTPC review, I would like to see a comparison of using the hardware features for deinterlacing, deblocking, etc., compared to software such as ffmpeg.thanks!
Shadowmaster625 - Thursday, April 7, 2011 - link
" AMD’s previous low-end product, the 80SP Radeon HD 5450, is effectively matched by Intel’s HD 3000"Huh? To get the HD3000 you have to spend some $200 on a cpu, not to mention a new motherboard in 100% of situations. With a $50 6450 you can buy a $50 Athlon II and have better graphics for less than half the total price. Any intel solution in this price range is going to be stripped down vs the HD3000. Celeron B810 for example. That chip is $90 but its gpu has been gutted. A $35 5450 and a $50 X2-245 together would ker-stomp the celeron B810, for less money too.
JarredWalton - Thursday, April 7, 2011 - link
Take the statement as forward looking rather than focused on GPU upgrades to existing systems. If you have an Athlon II and you wanted decent graphics, chances are you're already running at least a 5570, which as we point out is significantly faster than the 6450. If on the other hand you buy a new system later this year and it comes with a Sandy Bridge CPU, would you really want to pay an extra $50 to "upgrade" to the HD 5450? No, you wouldn't. You would want a card that is faster and offers more, and this is where the 6450 comes in. On the AMD side, you also have Llano coming out, which will be quite a bit faster on the GPU side than the HD 5450. Again, why would AMD continue to have their low-end discrete GPU lag behind modern IGPs?DjPete2008 - Thursday, April 7, 2011 - link
When you get a chance to do more testing, I would love to know if it is would be a worthwhile upgrade from a Radeon HD 5450, especially in terms of power consumption. I currently have a passively cooled 5450 in my HP Proliant Microserver, running as a NAS / HTPC. (P.S. - It would be awesome to see a review on the Microserver as well).Would the 6450 be able to fit in the required power envelope of my system (the x16 PCI Express slot is apparently rated at a maximum of 25W, according to the marking on the motherboard)? The motherboard might well be able to go a bit higher than 25W, but I'd rather let someone else find that out :)
Taft12 - Thursday, April 7, 2011 - link
What? All your questions are answered in this article. The TDP rating of the 6450 is 40% more at idle and load than the 5450. The TDP is 27W.