Thats about average for 7990's. I have 2 GigaBytes and they produce the same numbers.
https://litecoin.info/Mining_hardware_comparison
Topic: MSI 7990 (Read 392 times)
Try Sapphire Trixx decrease to VDDC voltage 1.200-----> ~1100
https://www.sapphireselectclub.com/ssc/TriXX/
https://www.sapphireselectclub.com/ssc/TriXX/
Hello,i just built an other one my little mining rig ,guys i cant believe but 2 MSI 7990 running 1.447kh/s and other 1451kh/s but problem is temperature, I dont know but one of them runing 77C other one 79-82C, isnt that temperature too high for long run ?Anyway im gonna get cooler to keep them more cooler and i noticed they are a little bit hungry,eating almost 400w each card but 1.4kh/s i hope i wont have problems in future.How do you think do i need buy powered risers to split them away ?If you have good cgminer scrypt for these cards please write down ,i need average kh/s but maybe yours scrypt keeps temperature down
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