Bitcoin mining card chart
I have been studying the hardware chart we shared in other threads and put together a small list of great "bang for your buck" cards for bitcoin/litecoin mining:If you can get hold of or already have any of these older cards, they are very efficient at mining the virtual currency:
5850 = 300-400 kHash/s
5870 = 350-400 kHash/s
5970 = 750 kHash/s
6950 = 400-500 kHash/s
6970 = 500+ kHash/s
6990 = 800-900 kHash/s (actually the best compared to all other graphics cards - it's even better than the current AMD flagship the 7970 = 750 kHash/s)
If you are upgrading and want something more current, these two cards probably offer the best bang for your buck:
7850 = 350-400 kHash/s
7950 = 550-650 kHash/s
Here are a few NewEgg links to available cards:
GIGABYTE GV-R795WF3-3GD Radeon HD 7950 3GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card - Newegg.com
GIGABYTE GV-R785OC-2GD Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card - Newegg.com
GIGABYTE GV-R785OC-1GD Radeon HD 7850 1GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card - Newegg.com
Source: forums.pureoverclock.com
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