ROI ASIC

ROI ASIC / VNISH profile decisions

More hashrate. A smaller daily result.

Profile B adds 20 TH/s. It also adds 600 watts. At the tariff in our example, that extra electricity costs more than the extra mining revenue brings in. We will follow the difference from one miner to a fleet, then show where the decision flips.

The example in one numberUSD 1,123.20less over 30 days across 100 miners in this example
Illustrative arithmetic, not a hardware test or current market quote. Both profiles use an example 2.8% developer fee, gross revenue of USD 0.04 per TH/s/day and 24 operating hours per day. Use the actual fee and measured profile for your own comparison.
01

The number that catches the eye is not the whole result

Start with 200 TH/s at 3,000 W in A. B runs at 220 TH/s and 3,600 W. Hashrate rises 10%, but power rises 20%. There is no model name attached to these figures: they are two example inputs chosen to make the trade-off visible.

We keep the revenue basis, fee and electricity tariff identical for both. That lets us ask one specific question: does the extra output cover the extra electricity?

One miner. Electricity USD 0.08/kWh. Other costs: 0.
MetricProfile AProfile B
Hashrate, TH/s200220
Power, W3 0003 600
Dev Fee, %2.82.8
Energy, kWh/day7286.4
Gross revenue, USD/day8.00008.8000
After Dev Fee, USD/day7.77608.5536
Electricity, USD/day5.76006.9120
After fee and electricity, USD/day2.01601.6416
02

At USD 0.08/kWh, the power bill wins

After the example developer fee, B adds USD 0.7776 of daily revenue. Its extra 600 W consumes 14.4 kWh per day, costing USD 1.152 at this tariff. The difference is USD 0.3744 less per miner per day.

The faster profile still has a positive operating result. It simply leaves less than A after the costs included here. This distinction matters: a profile can be working as intended and still be the weaker choice at your tariff.

B minus A, one miner per dayUSD 0.7776 - USD 1.1520 = -USD 0.3744
03

The small daily gap becomes visible across a fleet

For 100 identical miners over 30 days, the difference is 0.3744 × 100 × 30 = USD 1,123.20. There is no extra performance assumption hidden in that fleet number. It is the same daily difference repeated across the device count and period.

We set other daily costs to zero for this demonstration. Add the relevant costs in your own calculation, and compare mixed models in separate groups. The result is an operating scenario, not a payback estimate for buying the equipment.

04

At USD 0.04/kWh, the same choice flips

Now electricity costs half as much. B's extra 14.4 kWh costs USD 0.576 per day, while its additional revenue remains USD 0.7776. B leads by USD 0.2016 per miner per day, or USD 604.80 for 100 miners over 30 days.

The two profiles are equal at USD 0.054/kWh: 0.7776 / 14.4. Below that tariff B leads; above it A leads. That is the crossover between these two profiles, not a universal mining tariff or the break-even point of either device.

Change the tariff. Keep every other input the same.
Tariff, USD/kWhA, USD/dayB, USD/dayLeader
0.0404.89605.0976B
0.0543.88803.8880Equal
0.0802.01601.6416A
05

Use your tariff before choosing your next preset

Open our calculator and enter both profiles from the same hardware and a comparable measurement window. Use power at the same measurement boundary, hashrate in TH/s and gross revenue before the developer fee. Check the actual fee for each profile rather than borrowing our example rate.

First compare one miner. Then use the fleet count to see the size of the decision. If a profile looks promising, choose the exact firmware for your model and board in our catalogue, and check the result on your device.

Recreate this example in the calculator

  • A: 200 TH/s, 3,000 W, Dev Fee 2.8%.
  • B: 220 TH/s, 3,600 W, Dev Fee 2.8%.
  • Gross revenue: USD 0.04 per TH/s/day.
  • Tariff: USD 0.08/kWh. Then try 0.04.
  • 100 miners, 30 days, other costs: 0.

The calculator opens with its own example values. Enter the inputs above, then replace them with your own.

Open the calculator →

FAQ

Questions about the calculation

Does this mean a maximum-output preset is always the wrong choice?

No. The same example favours B at a lower electricity tariff. Choose the profile against your actual revenue basis, tariff, fee and operating conditions.

Are these S21 or S19 test results?

No. They are transparent example inputs. We do not assign these figures to a particular model or claim to have measured them on a miner.

Can I put pool-side revenue after fees into the gross revenue field?

Check how that revenue was calculated first. The calculator applies the entered developer fee, so using a value that already subtracts it can count it twice.

Which profile wins on your electricity bill?

Use our example to understand the calculation, then replace it with your own inputs. Our calculator shows both operating results and the tariff that changes the decision.