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[Bit-Tech] Sapphire 4870x2 Atomic Tested

post #1 of 17
Thread Starter 
Source: Bit-Tech Review

Yes this has been covered here and here on OCN but I am using a different source. Bit-Tech seems to have some different numbers as well as a different opinion than Overclockers.


Quote:
We were also a little disheartened by the thermal performance of the Atomic’s watercooling loop. While the watercooled solution obviously benefits the firey 4870 X2 a great deal, cutting GPU load temperatures by a good 16°C and idle operating temps by 17°C, the CPU also cooled by the loop suffers terribly, and amazingly runs hotter than when using an Intel stock heatsink and fan. While this is obviously great performance for an overclocked 4870 X2, its high thermal output is so much that the loop is effectively heating the CPU rather than cooling it, and despite the efforts of the single 120mm radiator, results in very disappointing CPU thermal performance.

That’s not to say that the operating temperatures we achieved with the kit were dangerously high of course – in fact we stress tested the system overnight and it was still running happily the next morning, it’s just that a decent CPU heatsink will outperform the Sapphire ATI Radeon HD 4870 X2 Atomic’s watercooling loop by not only a few, but a few dozen degrees centigrade. This makes the possibility of overclocking your CPU much for difficult, especially if you have a high thermal output CPU like the one in our test rig.

Thankfully though the Sapphire ATI Radeon HD 4870 X2 Atomic was able to cool both our high TDP CPU and the overclocked 4870 X2 very quietly indeed. The pump mounted on top of the CPU waterblock is as barely audible and the 120mm radiator fan, while far from silent, is certainly quieter than the 4870 X2’s stock dual slot cooler. The removal of the CPU and GPU cooling fans also made a noticeable difference to the overall acoustics of the case – the whole system seemed much more composed and less intrusive, especially in comparison to the stock cooled setup we tested.
The cost of the Atomic system is a whopping 575 pounds which converts into $852.36 as a post this. Yikes!
post #2 of 17
Yikes...
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N.A.S.A's nemesis
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post #3 of 17
Wow looks like a pos. Oh wait it is.
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post #4 of 17
For that price you could buy a real nice loop
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post #5 of 17
rofl at the temps. Wonder how much overclockersclub or whatever got paid to lie about the temps.

Told Y'all.
post #6 of 17
Thread Starter 
Diamond 4870x2 $439.99 after MIR

XSPC 4870x2 Full Cover Block $99.99

HL Black Ice GTX120 Radiator $73.95

Liang DDC Ultra $119.95

Tubing: $10

TOTAL: $743.88

Add res or pump-top res if T-lines are not your thing.

This system would offer the low impact guidelines that Sapphire is shooting for but would do a much better job.
post #7 of 17
It's obvious a single 120mm radiator isn't enough..
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post #8 of 17
Thread Starter 
Quote:
Originally Posted by GivingHope View Post
It's obvious a single 120mm radiator isn't enough..
If you just mounted the pump/block to the case and found a different cooling solution for the CPU the temps would actually be pretty decent considering the quietness of the system. When a CPU cooler can't outdo the stock Intel you know something is wrong; very wrong.

Cheaper approach:

Diamond 4870x2 $439.99 after MIR

XSPC 4870x2 Full Cover Block $99.99

Swifty MCP355 $79.95

MCR120 QP $34.95

Tubing: $10

TOTAL $664.88
Edited by MNiceGuy - 12/22/08 at 11:39pm
post #9 of 17
Pure insanity if you ask me.
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post #10 of 17
Anyone else notice the kink in the tubing?

~Gooda~
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