AMD announces driver that reduces PCIe power usage RX 480
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Athlonite
but they tout the card as having an 150W TDP shouldn't perform within that envelope and not exceed it unless absolutely necessary otherwise they should have given it a 170W TDP
SirDremor
0blivious
Cheaper than a recall.
BrimStone101
People cant reproduce what was happening,
running 4k on this card seems kind of silly because it cant run 4k anyway.
How does the performance increase with less power if its not throttling i wonder.
I read the performance per watt increased 20% wile maintaining the same performance.
I would like to see how close it is now to nvidia 16 fin fet for efficiency now its just closed the gap.
Finisterre
I'd like to see a new thermal image after the software fix.
At over 80degC the power phases are very hot.
http://www.guru3d.com/articles-pages/amd-radeon-r9-rx-480-8gb-review,7.html
Note that the image is of the backside of the board. The power fets junction temp will be approx. 10..15degC higher.
The power phase near the 6pin molex hardly lights up in the thermal image.
schmidtbag
cyclone3d
https://en.wikipedia.org/wiki/Thermal_design_power
So those complaining that it uses more than 150w and referencing a stated TDP don't know what they are talking about anyway.
TDP is not even a measurement of total power used anyway. It is "Thermal Design Power", or rather, how much power is dissipated as heat.
Stukov
vase
Dazz
From what i hear they undervolt great AMD always gives more voltage than whats needed a little too much really. Like my R9 290 i could reduce that by quite a bit and still overclock. So under volt the GPU reduce power consumption, which reduces temps and technically boost should reach higher speeds. Still have to see it in action tho cause i doubt they can reduce the voltage by that much but who knows.
Denial
Reddoguk
Guilty as charged your honor. We have to watch these big corporations like a hawk or they'd slip in a lot more deception if they thought they could get away with it.
Luckily for us people are alert and watching them and will not allow this behavior to escape unpunished.
It boggles my mind how incompetent these companies are sometimes.
Just a tiny mistake from AMD could lead to loss in sales and more hatred towards them. It's almost like self harm because of possible small mistakes made in power compliance.
Surely the cost of an 8pin over the 6pin is minimal but AMD was never going to put an 8pin on there no matter what because that would be being truthful about the real TDP and not the fake TDP of 150w.
PrMinisterGR
Noisiv
https://www.pugetsystems.com/labs/articles/Gaming-PC-vs-Space-Heater-Efficiency-511/
https://abload.de/img/pic_dispzquxd.jpg
Same. But the exact opposite
I still try to correct those who don't see that the two are basically the same 🤓
I'll answer that.
100% of total electrical power consumed by GPU or CPU is emitted as heat.
In terms of energy - all energy consumed by PC is dissipated as heat.
Your PC does not store energy does it? Energy in = Energy out
Oh but what about the useful work you say.
Every arithmetical operation is nothing but a manipulation of states and electrical currents, and is therefore subject to the same ohmic heating.
Every electron does no other work than moving under the effect of EM force in EM potential.
In other words your PC is no less efficient as a space heater than a proper space heater.
Here is a crude but effective experiment demonstrating this:
Yogi
__hollywood|meo
Fox2232
HeavyHemi
-Tj-
And if I go with that overclock.net MSI ab tweak is just a matter of power reconfig. - use more from 6pin instead of pcie slot. Which can also easily be done in driver level.
No loss in perf. anyway, imo all this was just some stunt to blacklist 480x sales.
Anarion