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Helpful ReplyQuick GTX 1080Ti FTW3 and PSU?

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jd63636
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2017/06/26 07:46:20 (permalink)
Currently running a Corsair RM 650X PSU and wondering if it is sufficient? The only game I currently play is World of Warcraft. System specs are listed in my sig. Thank for your valued opinions in advance.

Fractal Meshify 2 - 3  Lightwings 140mm  front intake & 1 Lightwings 140mm rear exhaust - Ryzen 5900x - X570S MSI Tommahawk Max WiFi -Bequiet Pure Loop 2 FX 360mm - 32GB Hyper X Fury DDR4 3600 - Sabrent 1TB Rocket 4.0 PCIe 4.0 M.2 NVMe - 1TB Adata SX8200 Pro M.2 NVMe -XFX Merc 319 RX 6750XT - Corsair RM1000x (2021 edition) - Dell S3422DWG- Glorious GMMK2 with lubed Alpaca Linear Switches and Glorious GPBT Celestial(ICE) Keycaps- Glorious Model D Wireless

 

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    Quad5Ny
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    Re: Quick GTX 1080Ti FTW3 and PSU? 2017/06/26 08:18:13 (permalink)
    You're good to go.  Even if you overclock your CPU and GPU it shouldn't max out the power supply (the RM650x can output all 650W on the +12V rail).
     
    I've got a AX860, 1080 Ti FE (+120% Power, +150 Core), 4790K (around the same TDP as the 6700K), 32GB DDR3 (more power hungry than DDR4) 3 SSD's, EVGA Hybrid GPU AIO Cooler, 7 Noctua fans plus a few other odds and ends.
     
    With all the above I see about 420W max (at the wall) running a GPU stress test plus a LZMA2 benchmark (to tie up the rest of the CPU).
     
    Edit: For WoW @ 1440p you're probably better off with a 1080 instead of a 1080 Ti.  You could probably even use a 1070.

    post edited by Quad5Ny - 2017/06/26 08:25:37
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    jd63636
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    Re: Quick GTX 1080Ti FTW3 and PSU? 2017/06/26 08:31:03 (permalink)
    Quad5Ny
    You're good to go.  Even if you overclock your CPU and GPU it shouldn't max out the power supply (the RM650x can output all 650W on the +12V rail).
     
    I've got a AX860, 1080 Ti FE (+120% Power, +150 Core), 4790K (around the same TDP as the 6700K), 32GB DDR3 (more power hungry than DDR4) 3 SSD's, EVGA Hybrid GPU AIO Cooler, 7 Noctua fans plus a few other odds and ends.
     
    With all the above I see about 420W max (at the wall) running a GPU stress test plus a LZMA2 benchmark (to tie up the rest of the CPU).
     
    Edit: For WoW @ 1440p you're probably better off with a 1080 instead of a 1080 Ti.  You could probably even use a 1070.





    Yeah I realized this after buying last week it and seeing no performance improvement. I have a 1070 Black Edition which averages 90-98fps that I am giving to my son
     
    Thanks
    post edited by jd63636 - 2017/06/28 15:50:04

    Fractal Meshify 2 - 3  Lightwings 140mm  front intake & 1 Lightwings 140mm rear exhaust - Ryzen 5900x - X570S MSI Tommahawk Max WiFi -Bequiet Pure Loop 2 FX 360mm - 32GB Hyper X Fury DDR4 3600 - Sabrent 1TB Rocket 4.0 PCIe 4.0 M.2 NVMe - 1TB Adata SX8200 Pro M.2 NVMe -XFX Merc 319 RX 6750XT - Corsair RM1000x (2021 edition) - Dell S3422DWG- Glorious GMMK2 with lubed Alpaca Linear Switches and Glorious GPBT Celestial(ICE) Keycaps- Glorious Model D Wireless

     

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    cjsquirrel
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    Re: Quick GTX 1080Ti FTW3 and PSU? 2017/06/26 18:34:14 (permalink) ☄ Helpfulby jd63636 2017/06/27 10:27:39
    My system:

    I7 7700k
    Z270 classified K motherboard
    16 gb corsair dominator 3000mhz memory
    Evga clc 280 cooler
    4 corsair 120mm led fans
    850 pro ssd 512gb
    M.2 960 pro 512gb
    Old 2 tb 7200 rpm drive I took out of my old computer
    Evga P2 1000w platinum power supply
    2x1080 ti sc black sli

    Max pull from the wall I ever saw was 640 watts. That is between heavy gaming and also running benchmarks. Haven't heavily overclocked yet to be honest but again I have 1080 ti sli. One card your more then fine with the 650 watt. Take a look at getting the 'kill a watt' meter. For $20 bucks it just plugs in a outlet and your computer plugs into that. Tells you your watts your pulling for you to monitor. I have the $60 dollar strip version that saves the min and max draw. Fantastic device.
    post edited by cjsquirrel - 2017/06/26 18:36:27
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