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Tuesday, 17 April 2012 16:01

Gainward GTX 680 Phantom 2GB tested - Termals, Noise and Power Consumption

Written by Sanjin Rados

phantom-gtx-680-thumbtop-value-2008-lr

Review:
Fingers crossed for Nvidia's response to AMD's price cuts

Thermals and Noise

Gainward GTX 680 Phantom temperatures go up from 72°C  to 77°C during gaming. This is excellent when taking into account the low noise levels. On the Gainward GTX 680 reference design temperatures go up to 80°C during gaming.

The GTX 680 Phantom’s fans are less noisy compared to reference GTX 680 ones. Note that there were no sudden changes in fan noise. However, two 8cm PWM fans tucked away in a special chamber within the heatsink does introduce one disadvantage - the card is 2.5 slots wide.

ganward phantom gpuz temp idle

gpuz voltage load

Note however the codependency between thermals and clock calculations, which may result in different performance depending on thermals. As soon as the card overheats, which causes current leakage increases, GPU Boost will decrease clocks and voltage.

Power Consumption

Gainward’s GTX 680 Phantom consumed not more than the same company’s reference version. GTX 680’s power consumption is a little better than that of its main competitor – HD 7970. However, AMD’s card boasts ZecoCore, a feature that shuts the card down once the display is off, which slashes consumption to mere 1W. The same scenario will see the GTX 680 consume about 14W. Still, GTX 680’s power management is definitely a job well done because the card scores more than 20% better than its predecessor GTX 580 while consuming 50W+ less.

power


(Page 12 of 14)
Last modified on Saturday, 12 May 2012 09:56
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