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Written by Bruce Normann   
Thursday, 04 February 2010
Table of Contents: Page Index
ATI Radeon HD5450 HTPC Video Card
Radeon HD5450 Features
Radeon HD5450 Specifications
Closer Look: Radeon HD 5450
Radeon HD5450 Detailed Features
ATI Eyefinity Multi-Monitors
Video Card Testing Methodology
3DMark Vantage Benchmarks
Crysis Benchmark Results
Devil May Cry 4 Benchmark
Far Cry 2 Benchmarks
Resident Evil 5 Benchmarks
ATI Radeon HD5450 Temperature
VGA Power Consumption
Radeon HD5450 Final Thoughts
ATI Radeon HD5450 Conclusion

VGA Power Consumption

Life is not as affordable as it used to be, and items such as gasoline, natural gas, and electricity all top the list of resources which have exploded in price over the past few years. Add to this the limit of non-renewable resources compared to current demands, and you can see that the prices are only going to get worse. Planet Earth is needs our help, and needs it badly. With forests becoming barren of vegetation and snow capped poles quickly turning brown, the technology industry has a new attitude towards suddenly becoming "green". I'll spare you the powerful marketing hype that I get from various manufacturers every day, and get right to the point: your computer hasn't been doing much to help save energy... at least up until now.

ATI_RADEON_HD5450_VIDEO_CARD_GPU-Z.png

To measure isolated video card power consumption, Benchmark Reviews uses the Kill-A-Watt EZ (model P4460) power meter made by P3 International. A baseline test is taken without a video card installed inside our computer system, which is allowed to boot into Windows and rest idle at the login screen before power consumption is recorded. Once the baseline reading has been taken, the graphics card is installed and the system is again booted into Windows and left idle at the login screen. Our final loaded power consumption reading is taken with the video card running a stress test using FurMark. Below is a chart with the isolated video card power consumption (not system total) displayed in Watts for each specified test product:

Video Card Power Consumption by Benchmark Reviews

VGA Product Description

(sorted by combined total power)

Idle Power

Loaded Power

NVIDIA GeForce GTX 480 SLI Set
82 W
655 W
NVIDIA GeForce GTX 590 Reference Design
53 W
396 W
ATI Radeon HD 4870 X2 Reference Design
100 W
320 W
AMD Radeon HD 6990 Reference Design
46 W
350 W
NVIDIA GeForce GTX 295 Reference Design
74 W
302 W
ASUS GeForce GTX 480 Reference Design
39 W
315 W
ATI Radeon HD 5970 Reference Design
48 W
299 W
NVIDIA GeForce GTX 690 Reference Design
25 W
321 W
ATI Radeon HD 4850 CrossFireX Set
123 W
210 W
ATI Radeon HD 4890 Reference Design
65 W
268 W
AMD Radeon HD 7970 Reference Design
21 W
311 W
NVIDIA GeForce GTX 470 Reference Design
42 W
278 W
NVIDIA GeForce GTX 580 Reference Design
31 W
246 W
NVIDIA GeForce GTX 570 Reference Design
31 W
241 W
ATI Radeon HD 5870 Reference Design
25 W
240 W
ATI Radeon HD 6970 Reference Design
24 W
233 W
NVIDIA GeForce GTX 465 Reference Design
36 W
219 W
NVIDIA GeForce GTX 680 Reference Design
14 W
243 W
Sapphire Radeon HD 4850 X2 11139-00-40R
73 W
180 W
NVIDIA GeForce 9800 GX2 Reference Design
85 W
186 W
NVIDIA GeForce GTX 780 Reference Design
10 W
275 W
NVIDIA GeForce GTX 770 Reference Design
9 W
256 W
NVIDIA GeForce GTX 280 Reference Design
35 W
225 W
NVIDIA GeForce GTX 260 (216) Reference Design
42 W
203 W
ATI Radeon HD 4870 Reference Design
58 W
166 W
NVIDIA GeForce GTX 560 Ti Reference Design
17 W
199 W
NVIDIA GeForce GTX 460 Reference Design
18 W
167 W
AMD Radeon HD 6870 Reference Design
20 W
162 W
NVIDIA GeForce GTX 670 Reference Design
14 W
167 W
ATI Radeon HD 5850 Reference Design
24 W
157 W
NVIDIA GeForce GTX 650 Ti BOOST Reference Design
8 W
164 W
AMD Radeon HD 6850 Reference Design
20 W
139 W
NVIDIA GeForce 8800 GT Reference Design
31 W
133 W
ATI Radeon HD 4770 RV740 GDDR5 Reference Design
37 W
120 W
ATI Radeon HD 5770 Reference Design
16 W
122 W
NVIDIA GeForce GTS 450 Reference Design
22 W
115 W
NVIDIA GeForce GTX 650 Ti Reference Design
12 W
112 W
ATI Radeon HD 4670 Reference Design
9 W
70 W
* Results are accurate to within +/- 5W.

The ATI Radeon HD5450 pulled 7 (137-130) watts at idle and 36 (166-130) watts when running full out, using the test method outlined above. These numbers are very close to the factory numbers of 6.4W at idle and 19.1W under load. With the video cards power demands dropping so low, this type of test starts to show its limitations. Nevertheless, the numbers are still in the ballpark.

I also tested power consumption while streaming 1080P video from YouTube. I waited until the clips were fully downloaded, and ran them full screen on my 1920x1200 monitor. I configured the graphics settings according to our helpful guide here on Benchmark Reviews, so that the bulk of the work was handled by the GPU, and also tweaked the visual settings to get maximum image quality. In the application it was designed for, mainly video streaming and HTPC, the Radeon HD5450 consumed slightly less power than it did during the FurMark stress test. Maximum power draw during 1080P video playback was 22 (152-130) watts, only two thirds of the power required to run FurMark.



 

Comments 

 
# CompitableBhavesh Patel 2011-10-20 20:09
is ATI Radeon HD5450 compitable with intel dual core 2.8 Ghz processor ?
Please reply as early as possible
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# RE: CompitableOlin Coles 2011-10-20 21:17
Yes. All video cards are compatible with all processors. Just make sure the motherboard has a PCI-Express graphics slot.
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# RE: ATI Radeon HD5450 HTPC Video Cardmahmod 2012-03-08 07:50
how to make sure the mother board has a pci-slot?
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# Open up the box and look inside.Bruce 2012-03-08 08:29
Wikipedia has some good pictures on the PCI Express page that show what they look like
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# RE: ATI Radeon HD5450 HTPC Video CardHanzyy 2012-04-24 07:43
Is is good foor games?Will it play them fast? I don't know so much about hardware and stuff...
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# Not so muchBruce 2012-04-24 07:50
This card is on the low end of discrete graphics.
It's really better suited to a Home Theater PC.
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# Fan connectorRoger 2012-06-01 17:01
I see there is what looks like a fan connector on the card - is this correct and if so what would be the power specs for a fan?
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# YesBruce 2012-06-02 11:12
If you look at some of the other HD 5450 cards out on the market (Newegg has 34 models for sale, 2+ years after launch...!) you wll see that many of them have active cooling, with a fan plugged into this very same header. It's only two pins, so don't expect PWM or anything, just straight DC with no speed monitoring.
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# RE: Fan connectorTaimur 2013-02-05 10:52
The PCI slot has to have the little gap thing, the oppisite way around that does the graphics card have so for instance -- ---- and ---- -- and most of all if the the ports on the graphics card are pointing toward the outside, etc.
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# Re Fan ConnectorRoger 2012-06-02 18:10
Thanks for that Bruce,

Just to clarify such a connected fan would be of similar size and watts etc. to an inbuilt one?

Like I have a spare fan DC 12v 0.11A which is probably ok and another which is DC 12v 0.70A which is probably too powerful?
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# Yes, again....Bruce 2012-06-03 06:58
That's the idea. It's not going to be an exact science, but most fans that are small enough and thin enough to fit on that card's heatsink will be fine. I've been assuming that you want to cool the GPU on the HD 5450 with this fan... right?
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# Thats right Bruce...Roger 2012-06-03 22:01
I figure one cannot have enough fans (especially where I live in the tropics) so I might as well use a spare fan to play on the heatsink. The card will be on the bottom of the mobo with the heat sink facing down so I will mount the fan on the case bottom facing up to the heatsink.

Thanks again
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# RE: ATI Radeon HD5450 HTPC Video Cardjex2013 2013-03-05 18:43
I badly needed an htpc graphic card for my htpc. I am really having a hard time choosing because i really don't have any idea with these kind of things. But anyways, you're post is quite helpful. Thanks!
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# REPLY PLZZZAMINLRB 2013-03-08 13:33
IS THIS CARD GOOD FOR HIGH RESOLUTIO GAMED
REPLY SOOOOON PLEASE
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# No, It's NotBruce 2013-03-08 14:02
It is not good for high resolution games.
It was designed for HTPC use, which is much less demanding.
Plus, it was released three years ago, that's a LONG time in video card history. Why are you interested in it now? Can you even buy one in your location?
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