Nvidia GeForce GTX 1070 review - Overclocking The Graphics Card

by Hilbert Hagedoorn on: 06/10/2016 01:33 PM [

] 121 comment(s)

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.

Right, since all this might seem a little complicated I made a small video to demonstrate tweaking in a real-world situation. Please do keep in mind that my English is pretty bad (being Dutch). AfterBurner comes with Pascal GPU memory tuning, overvolting, allowing control and adjustment parameters for overclocking as well as the new GPU Boost 3.0 implementation:

Example Tweaking guide video of GeForce GTX 1070 with a bit of Linear V/F curve tweaking
Original	This sample	Overclocked
Core Clock: 1506 MHz	Core Clock: 1506 MHz	Core Clock: 1706 MHz
Boost Clock: 1683 MHz	Boost Clock: 1683 MHz	Boost Clock: 1975~2050MHz
Memory Clock: 8000 MHz	Memory Clock: 8000 MHz	Memory Clock: 9200 MHz

Now if you are going to OC in the default manner and thus not with all new curved clock freqeuncy tweaks then your values be something close to this (all based on a founders edition GeForce GTX 1080 card of course):

Core Voltage : +100%
Power Limit : 112 %
Temp. limit : 92C
Core Clock : + 200
Memory Clock : +600

Here's a few guidelines if you like to use the new V/F curve overclocking with the new AfterBurner (Download here). for once that beta is out. Currently there is no any special buttons in skin to launch voltage/frequency editor so it is accessible via <Ctrl>+<F> keyboard shortcut. When voltage/frequency editor window is active and focused you can do the following things there:

Adjust offsets for each point individually via dragging it with mouse (that's what NV call "manual" mode)
Put anchor on the edge of screen and use linear curve scaling via dragging any point with mouse and holding <Ctrl> button (that's what NV call "linear" mode).
Apply the same fixed offset to all curve points via dragging any point with mouse and holding <Shift> button (that's what NV call "basic" mode). While you're adjusting the curve you can apply the settings from main window and see how curve is changing in realtime, or you can use traditional clock controls (clock slider and clock text field) to see how they affect the curve.
Press <Ctrl>+<D> to reset curve to default state

Due to the dynamic nature of the boost clock, your frequency is not fixed. Limiters and monitors temperature, load, power and voltages will continuously alter a maximum clock state. For most founders cards these will all be the same, likely for board partners as well. So my prognosis right now is that most GeForce GTX 1070 cards will all run at roughly 2.0 to 2.1 GHz maximum with a few exception here and there. Memory wise you will be able to push far as well.

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