flasheart (OP)
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Activity: 140
Merit: 100
90% of being smart is knowing what you are dumb at
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January 02, 2014, 06:02:23 AM |
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Finished updating my rig... new pics, specs, config, etc can be found here... https://bitcointalk.org/index.php?topic=395199.0 |
FLASHEART COMPUTRONIC AND CRYPTOGRAPHIC MINING DISPENSARY
EAC: ejivtoN3m1FmNvN8N3E4gSh8AX6XNMhzB2 | LTC: LVqAT6xBbxytnZ4ndVgD2BQNUtb6Dv59Cn | BTC: 187P7jMH5VeFCFRNBQcePZkAvEMDZ2JXsb Anything else isn't worth keeping.
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gomez80
Newbie
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Activity: 4
Merit: 0
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January 02, 2014, 06:27:37 AM |
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My rig with 2xSapphire R9 280X Vapor-X runs at 2 * 650Kh/s  And the rig with 2xSapphire R9 290 runs at 2*700Kh/s OS: Kubuntu 13.10 Driver: 13.11 Beta v9.4 cgminer 3.7.2 |
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Nyan_Coin
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Activity: 2
Merit: 0
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January 02, 2014, 08:28:17 AM |
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sapphire 280x dual-x getting about 730-740 per card temps are at 68-70
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VariableDiff
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Activity: 14
Merit: 0
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January 02, 2014, 08:38:37 AM |
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These are basicly oced 7970 cards, so 740 is a must for them.
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verbal
Newbie
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Activity: 20
Merit: 0
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January 02, 2014, 09:34:24 AM |
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sapphire 280x vapor x getting 700khash and temp hovering around 68-72
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ManuelJ
Newbie
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Activity: 12
Merit: 0
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January 02, 2014, 11:10:06 AM |
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Sapphire 280x, 640 KH/s, but only 150W  |
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Gazza1
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January 02, 2014, 12:59:45 PM |
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Very nice setup. Toxics are great cards.  |
Impossible is a word found only in the dictionary of fools.
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SunnyIgor
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January 02, 2014, 01:17:15 PM |
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i have 2 sapphire r9 280 x vapor, only 600 KH/s max. |
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VariableDiff
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Activity: 14
Merit: 0
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January 02, 2014, 01:25:42 PM |
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i have 2 sapphire r9 280 x vapor, only 600 KH/s max. Try to play with the settings, what is your clocks? |
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SunnyIgor
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January 02, 2014, 01:30:05 PM |
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i have 2 sapphire r9 280 x vapor, only 600 KH/s max. Try to play with the settings, what is your clocks? 1020 |
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VariableDiff
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Activity: 14
Merit: 0
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January 02, 2014, 01:33:33 PM |
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i have 2 sapphire r9 280 x vapor, only 600 KH/s max. Try to play with the settings, what is your clocks? 1020 Most important for scrypt is memory overclock. You have to find right core/mem clocks to achieve best results. What is your voltage? Can you change it? |
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SunnyIgor
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January 02, 2014, 01:44:39 PM |
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i have 2 sapphire r9 280 x vapor, only 600 KH/s max. Try to play with the settings, what is your clocks? 1020 Most important for scrypt is memory overclock. You have to find right core/mem clocks to achieve best results. What is your voltage? Can you change it? voltage is 1200, i can change it using sapphire trixx |
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Sparkzor
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Activity: 112
Merit: 10
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January 02, 2014, 03:03:04 PM |
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i have 2 sapphire r9 280 x vapor, only 600 KH/s max. Try to play with the settings, what is your clocks? 1020 Most important for scrypt is memory overclock. You have to find right core/mem clocks to achieve best results. What is your voltage? Can you change it? That's incorrect when it comes to both 7950 and 280x. Sweet spot for 280x and high core clock for 7950, atleast for mine  |
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edutBTC
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January 02, 2014, 03:54:26 PM |
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i wanted to config mines so post your config Flunder707 |
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Amph
Legendary
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Activity: 3206
Merit: 1069
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January 02, 2014, 05:23:56 PM |
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he pushed his card to 1150 at least, with I 13 -g 2 and thread-concurrency 8192
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AGSTeixeira
Newbie
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Activity: 23
Merit: 0
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January 02, 2014, 09:15:14 PM |
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UPDATE: with some more tweaking and a little OC, managed to squeeze 800KH/s from my Asus 280x DC2 TOP
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btminer8
Member
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Activity: 112
Merit: 10
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January 02, 2014, 09:25:49 PM |
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600khs for MSI 280x using only 70watt of power
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sesko
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January 02, 2014, 09:30:08 PM |
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i have 2 sapphire r9 280 x vapor, only 600 KH/s max. Try to play with the settings, what is your clocks? 1020 Most important for scrypt is memory overclock. You have to find right core/mem clocks to achieve best results. What is your voltage? Can you change it? i have 2 sapphire r9 280 x vapor, only 600 KH/s max. Try to play with the settings, what is your clocks? 1020 Most important for scrypt is memory overclock. You have to find right core/mem clocks to achieve best results. What is your voltage? Can you change it? Vapor-x r9 280x, easy 730-740 kH/s Setup Sapphire trixx vdd voltage to: 1181 (GPU-z shows VDDC voltage: 1.115 V, going lower, system will become probably unstable). cgminer (put temp. settings as you wish...): --shaders 2048 -g 2 -I 13 -w 256 --auto-fan --gpu-memclock 1485 --gpu-engine 1080 --gpu-powertune -20 --expiry 1 --scan-time 1 --queue 0 --no-submit-stale try it, and report  |
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radi324
Full Member
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Activity: 196
Merit: 100
Muniti creator
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January 02, 2014, 09:33:29 PM |
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So would you guys recommend an R9 280x over a Sapphire HD 7950 card?
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