Neoseeker : : : : PowerColor Radeon HD 5870 Review

PowerColor Radeon HD 5870 Review - PAGE 4

- Monday, October 5th, 2009 Like Share






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hiigaran Oct 5, 09
this card is the first to use the 40 nm process, and it still needs such a heavy heatsink and cooling system? wow.

im pretty impressed by the power consumption difference between this, and the 4890. almost 100 watts difference. this still adds to the confusion of why it needs better cooling though.
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hiigaran Oct 5, 09
this card is the first to use the 40 nm process, and it still needs such a heavy heatsink and cooling system? wow.

im pretty impressed by the power consumption difference between this, and the 4890. almost 100 watts difference. this still adds to the confusion of why it needs better cooling though.
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chautemoc Oct 5, 09
It's not the first, the 4770 is.
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chautemoc Oct 5, 09
It's not the first, the 4770 is.
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hiigaran Oct 5, 09
ahh, sorry, i stand corrected. still, my heat statement is valid. i wonder whats up with that...
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hiigaran Oct 5, 09
ahh, sorry, i stand corrected. still, my heat statement is valid. i wonder whats up with that...
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Zertz Oct 5, 09
quote hiigaran
im pretty impressed by the power consumption difference between this, and the 4890. almost 100 watts difference. this still adds to the confusion of why it needs better cooling though.
Don't forget the 4890 he tested is an overclocked model and is really pushing the RV770 core, probably needing quite a bit of voltage. That explains the high power consumption compared to the 5870. However, the 4890 has a custom cooling solution, hence the lower temps. But if you look closer at the temperature chart, the 5870 actually idles cooler, thanks to better power management and newer manufacturing process.
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Zertz Oct 5, 09
quote hiigaran
im pretty impressed by the power consumption difference between this, and the 4890. almost 100 watts difference. this still adds to the confusion of why it needs better cooling though.
Don't forget the 4890 he tested is an overclocked model and is really pushing the RV770 core, probably needing quite a bit of voltage. That explains the high power consumption compared to the 5870. However, the 4890 has a custom cooling solution, hence the lower temps. But if you look closer at the temperature chart, the 5870 actually idles cooler, thanks to better power management and newer manufacturing process.
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hiigaran Oct 5, 09
even if it isnt overclocked, wouldnt it still use roughly 50 watts less than the 4890? newegg recommendations for a 5xxx (forgot which one), and a 4890 show that difference.
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hiigaran Oct 5, 09
even if it isnt overclocked, wouldnt it still use roughly 50 watts less than the 4890? newegg recommendations for a 5xxx (forgot which one), and a 4890 show that difference.
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kspiess Oct 5, 09
That HD 4890 tested is also a really overclocked model -- one of the fastest out actually. So it had pretty big power req's when being pushed.
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kspiess Oct 5, 09
That HD 4890 tested is also a really overclocked model -- one of the fastest out actually. So it had pretty big power req's when being pushed.
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hiigaran Oct 5, 09
hah, yeah, over 440 watts being drawn from it. now put two of those into crossfire

so, just for clarification, a standard, stock settings 4890 would use about how much power? 275w? 300w?
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hiigaran Oct 5, 09
hah, yeah, over 440 watts being drawn from it. now put two of those into crossfire

so, just for clarification, a standard, stock settings 4890 would use about how much power? 275w? 300w?
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