Adaptive Clocking on GPUs - who was first? \ VOGONS

Adaptive Clocking on GPUs - who was first?

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First post, by obobskivich

Posted on 2014-07-19, 20:09

obobskivich Offline

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Like the title says - which manufacturer and which chip first implemented adaptive clocks? The oldest/earliest I've yet to observe is the GeForce FX 5800 Ultra; it runs at 300/600 in its "2D" mode, and can switch between 400/800 and 500/1000 in its "3D" mode (best I've been able to tell it's in response to load complexity, not thermals).

Is there an older or earlier card that implements something like that? Perhaps even more sophisticated? (like modern Kepler or GCN which have much more granular adjustments)

Reply 1 of 8, by swaaye

Posted on 2014-07-19, 23:30

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Mobility Radeon 7000 or 7500 are the first I remember. ATI calls it Powerplay. Power management like this didn't come to desktop until graphics power consumption became more noticeable there.

Reply 2 of 8, by Mau1wurf1977

Posted on 2014-07-20, 01:56

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On the desktop I also think the FX was the first.

AMD had something similar but for dynamic overclocking.

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Reply 3 of 8, by leileilol

Posted on 2014-07-20, 02:45

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swaaye wrote:
Mobility Radeon 7000 or 7500 are the first I remember. ATI calls it Powerplay. Power management like this didn't come to desktop until graphics power consumption became more noticeable there.

Agreed. Powerplay is awesome when served as a game-too-fast speed limiter 😀

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Reply 4 of 8, by obobskivich

Posted on 2014-07-20, 21:55

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swaaye wrote:
Mobility Radeon 7000 or 7500 are the first I remember. ATI calls it Powerplay. Power management like this didn't come to desktop until graphics power consumption became more noticeable there.

Interesting. Didn't think about mobile hardware - guess it makes sense that it showed up there first. 😊

Reply 5 of 8, by AlphaWing

Posted on 2014-07-20, 23:19

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Isn't the Geforce 7 series the first gpu's to run at different clockrates on the different parts of the gpu itself?
I remember magazines going all over something like that.

Reply 6 of 8, by swaaye

Posted on 2014-07-20, 23:26

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AlphaWing wrote:
Isn't the Geforce 7 series the first gpu's to run at different clockrates on the different parts of the gpu itself?
I remember magazines going all over something like that.

Yeah they have something called a geometric delta. Some parts of the chip ran slightly faster than the rest.

Reply 7 of 8, by nforce4max

Posted on 2014-07-21, 00:03

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AlphaWing wrote:
Isn't the Geforce 7 series the first gpu's to run at different clockrates on the different parts of the gpu itself?
I remember magazines going all over something like that.

No that was the Geforce 8 series with the G80 then later the G84 on up which ended with the G200 once it was replaced with Fermi.

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Reply 8 of 8, by swaaye

Posted on 2014-07-21, 01:26

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nforce4max wrote:
AlphaWing wrote:
Isn't the Geforce 7 series the first gpu's to run at different clockrates on the different parts of the gpu itself?
I remember magazines going all over something like that.

No that was the Geforce 8 series with the G80 then later the G84 on up which ended with the G200 once it was replaced with Fermi.

See my post above. Though yes G8x definitely took it to the next level.

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