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Undervolting your Ampere GPU

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Anyone on here done it? What's your experience like? On Youtube I've read you can reduce power draw by up to 100W with no noticeable Performance hit, but as we all know MSFS isn't standard fare when it comes to behavior so any data points would be welcome. Also asking because my new PSU is borderline for my rig (600W for Ryzen 5600x & 3070)

Thanks

MSFS. Hardware: AMD 5600X @4.0Ghz, Corsair H100i RGB Pro XT AIO, MSI MPG B550i Gaming Edge WiFi mobo, RTX 3080ti 12GB FE GPU , G.Skill TridentZ Royal 32GB (2x16) DDR4-3600 RAM CL16, PNY XLR8 3030 1 TB SSD (OS + SIM), Crucial P5 1TB M.2 pcie-3 NVMe SSD (data) . Corsair SF750 80+ Platinum PSU, NZXT H200i Mini ITX Tower.  38" LG UltraGear  38GN950-B display. 4x QL120 fans

  • Author
3 minutes ago, Bert Pieke said:

Oh boy.. why would you do that?? :huh:

This video explains it pretty well 🙂

https://www.youtube.com/watch?v=FqpfYTi43TE&t=46s

MSFS. Hardware: AMD 5600X @4.0Ghz, Corsair H100i RGB Pro XT AIO, MSI MPG B550i Gaming Edge WiFi mobo, RTX 3080ti 12GB FE GPU , G.Skill TridentZ Royal 32GB (2x16) DDR4-3600 RAM CL16, PNY XLR8 3030 1 TB SSD (OS + SIM), Crucial P5 1TB M.2 pcie-3 NVMe SSD (data) . Corsair SF750 80+ Platinum PSU, NZXT H200i Mini ITX Tower.  38" LG UltraGear  38GN950-B display. 4x QL120 fans

5 minutes ago, canadiantree said:

This video explains it pretty well

Best of luck with that 😉

I would rather limit fps to 30 in MSFS and reduce GPU load that way..

Edited by Bert Pieke

Bert

I'd be inclined to get a more capable PSU if the present one I had was borderline capable of running things.

Alan Bradbury

Check out my youtube flight sim videos: Here

Another option if your looking to save power, would be the power level adjustment. I have used this on my RTX2080 to run it at 120% power with great results. I think it could be used also to turn down to 80-90% to save energy. Just for fun I will try this later to see how much of an impact there is.

Flight Simulator's - Prepar3d V5/MSFS | Operating System - WIN 11 | Main Board - GIGABYTE X870E Aorus Elite WIFI7 | CPU - AMD 9800X3D | RAM - CORSAIR 64GB 6600Mhz | Video Card - EVGA RTX3090 FTW3 Ultra Monitor - DELL 38" Ultrawide | Case - CORSAIR 750D Full Tower | CPU Cooling - CORSAIR H170i Elite LCD 420mm Push/Pull | Power Supply - EVGA 1000 G+ | Sound System - Definitive Technology ProMonitor 600 w/subwoofer

  • Author

Thanks guys. To be clear, my goal is twofold:

- Reducing power consumption because it seems possible without loss of performance

- Making it work with my 600W PSU. All the calculators I used make it seem to be enough. Obviously if I run into issues I will change my PSU for sure, the SFX PSU market is abit scarce at the moment.

MSFS. Hardware: AMD 5600X @4.0Ghz, Corsair H100i RGB Pro XT AIO, MSI MPG B550i Gaming Edge WiFi mobo, RTX 3080ti 12GB FE GPU , G.Skill TridentZ Royal 32GB (2x16) DDR4-3600 RAM CL16, PNY XLR8 3030 1 TB SSD (OS + SIM), Crucial P5 1TB M.2 pcie-3 NVMe SSD (data) . Corsair SF750 80+ Platinum PSU, NZXT H200i Mini ITX Tower.  38" LG UltraGear  38GN950-B display. 4x QL120 fans

Good luck.

My computer: ABS Gladiator Gaming PC featuring an Intel 10700F CPU, EVGA CLC-240 AIO cooler (dead fans replaced with Noctua fans), Asus Tuf Gaming B460M Plus motherboard, 16GB DDR4-3000 RAM, 1 TB NVMe SSD, EVGA RTX3070 FTW3 video card, dead EVGA 750 watt power supply replaced with Antec 900 watt PSU.

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