Witch card will be best for mining in next 12 months?? AMD 570 and 580

[iaoorin]

Hello people of all cryptocurrencies!

I can order some cards and I got list. Can you tell me what cards are best for mining in next 12 months. They are all AMD 570 or 580 chips, with 4 or 8 GB of memory. For now I'm mining ETH and I know memory is not that important, but maybe for future it is better to put little more money for some other coin.

Thanks in advance for your good advises! And here is the list:

Sapphire:
SAPPHIRE PULSE RADEON RX 570 ITX 4G GDDR5 - 234e
SAPPHIRE PULSE RADEON RX 570 4G GDDR5 DUAL - 246e
SAPPHIRE NITRO+ RADEON RX 570 4G GDDR5 DUAL - 264e
SAPPHIRE NITRO+ RADEON RX 570 8G GDDR5 DUAL - 300e
SAPPHIRE PULSE RADEON RX 580 4G GDDR5 DUAL - 270e
SAPPHIRE NITRO+ RADEON RX 580 4G GDDR5 DUAL - 295e
SAPPHIRE PULSE RADEON RX 580 8G GDDR5 DUAL - 310e
SAPPHIRE NITRO+ RADEON RX 580 8G GDDR5 DUAL - 330e
XFX RS Radeon RX 570 4GB XXX Ed. OC 1264  Mhz GDDR5 Dual Fan 3X DP HDMI DVI - 270e
XFX GTS Radeon RX 580 4GB XXX Ed. OC 1366 Mhz GDDR5 Dynamic 22 Blade fan  - 300e
XFX GTS Radeon RX 580 8GB XXX Ed. OC 1366 Mhz GDDR5 Dynamic 22 Blade fan  - 335e
XFX GTS Radeon RX 580 8GB Black Ed. OC 1405 Mhz GDDR5 Dynamic 22 Blade fan  - 350e
XFX GTR-S Radeon RX 580 8GB Black Limited Ed. OC 1430 Mhz GDDR5 - 370e

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[MATHReX]

Any RX 570/580 cards will work until and unless you get it at good prices and in abundance. Stock availability is a big issue now, but anyway I will suggest you to with Sapphire Pulse/Nitro Series. The majority of cards are reported to perform around 29-31 MH/s and that's pretty great.

[iaoorin]

This is the price I can get them. That is nice. My MSI 470 are going around 27-28 MH/s. I hoped that 580 will do around 31-33 MH/s, is that possible?

[MATHReX]

31-33 MH/s is a bit of a long shot. Only GPUs that are verified to provide this kind of hash rate is RX 580 4GB/8GB (Samsung Memory) GPUs with bios mod and high ASIC quality. So, it's a lucky draw but you can easily manage to get 28-30 MH/s from that card. I would recommend going for SAPPHIRE PULSE RADEON RX 580 4G GDDR5 DUAL. They are economical and they perform really good.