ASUS Radeon ROG RX Vega 64 STRIX 8GB review

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Overclocking The Graphics Card

Overclocking The Graphics Card

Traditional overclocking - As most of you know, with most video cards you can apply a simple series of tricks to boost the overall performance a little. Typically you can tweak on core clock frequencies and voltages. By increasing the frequency of the videocard's memory and GPU, we can make the videocard increase its calculation clock cycles per second.

Original This sample Overclocked 
Base Clock: 1247 MHz Base Clock: 1247 MHz Base Clock: 1700 MHz
Boost Clock: 1546 MHz Boost Clock: 1546 MHz Max Boost Clock: 1700MHz
Memory Clock: 945 MHz Memory Clock: 945 MHz Memory Clock: 945 MHz

You can use any tweaking utility of your preference of course. You can use the internal driver Wattman. Our applied tweak:

  • Core: 1700 MHz 
  • Mem: 945 MHz data-rate
  • Power: +50%
  • Voltage GPU: default
  • Volatge mem: default
  • Fan: Default
The overclocked results closing in at ~1.65 GHz, but the card immediately downclocks to values in the 1500~1600 MHz range as it hits certain AMD limiters. Currently (tweaking Vega in general) we advise you to raise that power limiter to the maximum, set the card at ~1700 MHz and leave it at that. Voltage tweaking hardly has an effect, ergo we advise (at this time) to not apply/use it. In fact if you will be tweaking voltages, look into undervolting as well. It might even help you on the boost frequencies a bit. Overclocking wise with the current bios we are not seeing tangible enough results to make a big enough difference. This card needs to be on liquid cooling imho. 

Performance modes

As mentioned, the card has two BIOS modes, silent and performance. Our tests throughout this review are conducted at performance mode, however should you opt the silent mode BIOS, this would be the result:.


If we fire off the Ghost Recon: Wildlands benchmark at the two BIOS modes we can see that the trade-off for slightly better noise levels is a substantial loss in performance. At WHQL that is roughly 5%.


Above: AMD in it's latest drivers is making things rather messy if you ask me as it now includes power save, balanced (the default) and a Turbo mode (last one adds 15% extra on the power limiter) as well. Above some results based on standard BIOS mode versus the presets. The differences here remain marginal in the 1~3 FPS offsets. We'd advice to leave it at the default setting.

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