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Topic: hashing power question (Read 708 times)

full member
Activity: 188
Merit: 100
November 16, 2013, 12:36:55 PM
#7
can anyone answer why would the same model vga cards, purchased 6 months later give out 20% less hashing power. ok, the 1st batch was unusually high, but the same version of the cards bought afterwards is slower. any insight? memory speed? circutry? thanks

You need to share your settings if you really want our help....
full member
Activity: 226
Merit: 100
November 16, 2013, 06:59:40 AM
#6
can anyone answer why would the same model vga cards, purchased 6 months later give out 20% less hashing power. ok, the 1st batch was unusually high, but the same version of the cards bought afterwards is slower. any insight? memory speed? circutry? thanks

Check the BIOS verions

Yes, check the bios version and ASIC score by using GPU-Z...
hero member
Activity: 868
Merit: 1000
November 16, 2013, 05:04:22 AM
#5
can anyone answer why would the same model vga cards, purchased 6 months later give out 20% less hashing power. ok, the 1st batch was unusually high, but the same version of the cards bought afterwards is slower. any insight? memory speed? circutry? thanks

Every GPU also have diffrent ASIC score, some you can overclock more and some you can't so you can't have the same settings for alll...
sr. member
Activity: 252
Merit: 250
November 16, 2013, 04:54:12 AM
#4
can anyone answer why would the same model vga cards, purchased 6 months later give out 20% less hashing power. ok, the 1st batch was unusually high, but the same version of the cards bought afterwards is slower. any insight? memory speed? circutry? thanks

Check the BIOS verions
newbie
Activity: 43
Merit: 0
November 16, 2013, 12:06:55 AM
#3
Patches, better optimized for graphics leading to less optimization for other unintended uses.
sr. member
Activity: 378
Merit: 250
November 16, 2013, 12:01:15 AM
#2
can anyone answer why would the same model vga cards, purchased 6 months later give out 20% less hashing power. ok, the 1st batch was unusually high, but the same version of the cards bought afterwards is slower. any insight? memory speed? circutry? thanks

For every VGA chards, the settings is a little bit different.. Try adjusting it and you should get the same hash rate....
sr. member
Activity: 365
Merit: 250
November 15, 2013, 02:41:08 AM
#1
can anyone answer why would the same model vga cards, purchased 6 months later give out 20% less hashing power. ok, the 1st batch was unusually high, but the same version of the cards bought afterwards is slower. any insight? memory speed? circutry? thanks
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