AMD Radeon HD 7950 – 1020 h/s Overclocked

Aeon
Scratchpad: 1MB

/* 
 * Number of GPUs that you have in your system. Each GPU will get its own CPU thread.
 */
"gpu_thread_num" : 2,

/*
 * GPU configuration. You should play around with intensity and worksize as the fastest settings will vary.
 *      index    - GPU index number usually starts from 0
 *  intensity    - Number of parallel GPU threads (nothing to do with CPU threads)
 *   worksize    - Number of local GPU threads (nothing to do with CPU threads)
 * affine_to_cpu - This will affine the thread to a CPU. This can make a GPU miner play along nicer with a CPU miner.
 */
"gpu_threads_conf" : [ 
	{ "index" : 0, "intensity" : 512, "worksize" : 8, "affine_to_cpu" : 0 },
	{ "index" : 0, "intensity" : 512, "worksize" : 8, "affine_to_cpu" : 0 },
],


Memory is overclocked to 1500 mhz using MSI Afterburner.

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Jsid
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Jsid

What driver version do you run with the 7950s? Adjust intensity and pagefile size when you find your stable clocks. At intensity 885, with core at 1.1 volts, clocks at 1550/1125 & a bios timing mod I hash right at 1700 h/s with 3 sapphire 7950s hynix ram. I’ll submit a bench with full settings when I get a chance. They’ll do 650 h/s a piece with c’more’s but get 10-15 percent incorrect shares, and are nowhere near as stable. My models have Hynix, but both Hynix and/or Elpida straps can be found in this Tahiti bios collection: https://docs.google.com/spreadsheets/d/1odJXgWbHUcIS9fAxaXB-nPD8WWH1sBdd_XBOe3F3jo0/edit?pref=2&pli=1#gid=0 (If… Read more »

Momix
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Momix

Wow! That’s half of a VEGA 56 for about 7-8 times cheaper. Do you have any idea on the power usage? Thanks!

Iman
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Iman

Hashrate is wrong, I could not get same hashrate with the same setting