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Diamond Radeon HD 4870 512MB Video Card
Video, Power, and Overclocking
 HQV
HQV
(Show All Graphs)
130
130
130
128
0
Score (out of 130, higher is better)
160
100
100
100
100
0
Score (out of 130, higher is better)
160
Like all 4000-series cards, Diamond's 4870 excels with video. The previous subjective shortcoming's of ATI's video processing, namely delays with moire compensation, are gone, another thing 4000 gets right. Power and Noise
Power Usage
(Show All Graphs)
39
43
67
75
0
Watts (lower is better)
250
95
104
125
191
0
Watts (lower is better)
250
There's no reason to expect this stock card to consume less power or make less noise than any other stock 4870, and it doesn't. The card runs hot and loud, with the fan speed modulating up and down frequently. The shifts make its profile higher than if it just blew constantly. It still makes less noise than a GTX 280. Overclocking
Overclocking
(Show All Graphs)
790
750
0
MHz
1500
1100
900
0
MHz
1500
Like with my other 4870s, this card easily reached the overclocking ceiling in the Catalyst Control Center. Don't tell Diamond, but this card's warranty is void. Thermally, the card doesn't seem to be affected by the slight overclock, since most of it is memory overclocking. Again, this card struggles contain frames in its diminutive 512MB frame buffer, so memory overclocking is where it's at.
Page 1: Introduction, The Card & Bundle
Page 2: Specifications and Setup Page 3: DirectX 10 Titles Page 4: DX9, OpenGL, and Synthetics Page 5: Video, Power, and Overclocking Page 6: Conclusion 
Add Comment
2 User Comments 1 - Posted by
alganonim
on July 6, 2008 - 4:17 am Ports : Dual DVI,HDTV-out with VIVO ??? VIVO is for Video In, Video Out , I'm sure there's no 4870 model with VIVO so far, call it TiVO if you must ...
2 - Posted by
Max Slowik
on July 7, 2008 - 3:22 pm That's pulled straight from their website, and it's gotta be a typo of "Avivo", the video playback processing engine of all HD ATI cards.
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