philbeau Posted March 24, 2015 Share Posted March 24, 2015 Recently bought a gtx titan black and decided to sell my gtx 690. The offer I took gave me cash and a Evga gtx 770 sc 2gb. I don't really plan to keep the 770, but maybe I might stick it in my system for physx (until it is sold). Wondering if my psu has enough power. It's a Cooler master gx 750 watts My specs are: i7 4770k stock with corsair h100i cooler,Gygabyte GA-Z87X-OC motherboard32gb ram Hyper X 1866mhzAsus GTX Titan Black,2x240gb kingston ssd v300,1to hdd,750 watts cooler master gx power supply Thermaltake level 10 gt caseAsus PB278q 2560x1440p monitorWindows 7 professional 64bit sp1 Link to comment Share on other sites More sharing options...
Reformed Squid Posted March 24, 2015 Share Posted March 24, 2015 If you could handle a 690 with that PSU, then you will have no problem with either the Titan Black or the 770 because they both consume less power than the 690. Link to comment Share on other sites More sharing options...
philbeau Posted March 24, 2015 Author Share Posted March 24, 2015 Combined power under load (titan black +gtx770) is higher than a gtx 690. I just don't know if physx could use 100% gpu usage on the 770. Link to comment Share on other sites More sharing options...
yoječ Posted March 24, 2015 Share Posted March 24, 2015 The PSU will do the job, although I can't really see the point of such setup. Link to comment Share on other sites More sharing options...
Reformed Squid Posted March 24, 2015 Share Posted March 24, 2015 Combined power under load (titan black +gtx770) is higher than a gtx 690. I just don't know if physx could use 100% gpu usage on the 770. I don't think a 770 and titan black can SLI? Link to comment Share on other sites More sharing options...
yoječ Posted March 24, 2015 Share Posted March 24, 2015 They can't, but @philbeau explicitly said he wants to use the GTX770 for PhysX, not SLI. Link to comment Share on other sites More sharing options...
philbeau Posted March 24, 2015 Author Share Posted March 24, 2015 Thanks again yojo2. I'm selling the card anyway, since I don't need it. Just wanted to know if it was safe. Spec says the titan black and 770 need 42a each on the 12v rail. Does it add up to 84a needed if both draw 100% power? The psu says 60a max on 12v rails. Have you ever seen any power consumption test related to card dedicated to physx. Everytime I find something the graph are not there anymore. Link to comment Share on other sites More sharing options...
yoječ Posted March 24, 2015 Share Posted March 24, 2015 No, it doesn't add up, and it's not accurate anyway (way higher than actually necessary). Link to comment Share on other sites More sharing options...
philbeau Posted March 24, 2015 Author Share Posted March 24, 2015 (edited) I will try, if I have some issues, crashes or instability I will just take it off. Edit: I ran the benchmark in Mafia 2: Titan black, no physx: avg 61fps Titan black, physx: avg 57fps Titan black+gtx 770 for physx: avg 74fps Every other settings maxed, 2560*1440 resolution. The gtx 770 ran at about 33% during the benchmarks and using 197mb of vram. During normal gameplay, it ran at about 2-13% using again what seem a fixed amount of vram of 197mb also. I think it is the only game I have that uses physx. So I took the gtx 770 and kept only the titan black since it already suits my need. Edited March 25, 2015 by philbeau Link to comment Share on other sites More sharing options...
