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Which mining of Monero is more cost efficient (both use same expensive energy) CPU (INTEL CORE I3-6300T LOW POWER TRAY PROCESOR - CM8066201927004) or GPU (Nvidia 750Ti)?

I know GPU mining gives you higher hashrate but it also uses more energy.

  • An answer to this would be speculative unless you define energy costs and the specific CPU and GPU you would like to see compared. – Smart Kid Oct 9 '16 at 16:14
  • Yes, you are right. But about energy costs is same in both cases so is not important. Since soem say Nvidia 750Ti is one of most cost efficient GPU i will put comparison with one same worth CPU. – Febo Oct 9 '16 at 16:26
  • Usually GPU mining is more efficient, but since you use a Nvidia it may be even. – maoam Oct 9 '16 at 17:04
  • Although NVIDIA cards are generally worse at mining than AMD cards, the 750 Ti is the exception because of its relatively low cost and energy efficiency. – sgp Oct 9 '16 at 17:26
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The NVIDIA 750 Ti returns about 250 H/s with about 60W of energy (hash source, wattage source).

I do not have data on the i3-6300T, but the AMD FX 8350 also returns about 250 H/s (source), and this should be a faster processor than the i3-6300T (I'm guessing 150 H/s). The i3-6300T uses about 30W (source).

Use the Monero mining calculator here to determine which is best for you based on your energy cost.

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The most efficient way to mine Monero now is using AMD Radeon Vega 56/64 cards.

Overclocking the HBM and undervolting the card while runing Cast's XMR miner gives about 2 KH/s for about 150W.

An i3 6100T will net you around 60-80 H/s on xmr-stak-cpu optimized by fireice with settings tweaked which is neglegible as most pools pay out at >0.5 XMR.

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According to MoneroBenchmarks, the i3-6300 does 150H/s at 65W and the Nvidia 750Ti does around 250H/s at 60W. So, seems that at the same energy expense the GPU card can give you definitely more hash rate.

Update: AMD Ryzen CPU and AMD RX 550/560 GPU cards can mine Monero with high hashrate and low power consumption. Also RX570/580 and VEGA cards have nice rate/power ratio. For building a cheap rig with a decent hashrate and really low power consumption, AMD RX 550/560 GPU cards are the most used solution.

Check this answer for more details about which type of hardware is the most efficient for mining Monero.

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