Bitaxe Ultra vs MicroBT Whatsminer M61
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitaxe Ultra | Specification | MicroBT Whatsminer M61 |
|---|---|---|
| 500.0 GH/s | Hashrate | 200.0 TH/s |
| 15 W | Power Consumption | 3,980 W |
| 30.0 J/TH | Efficiency | 19.9 J/TH |
| 35 dB | Noise Level | 75 dB |
| 0.3 kg | Weight | 13.5 kg |
| 51 BTU/hr | BTU Output | 13,580 BTU/hr |
| 70/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| D-Central | Manufacturer | MicroBT |
Profitability Comparison
Bitaxe Ultra
MicroBT Whatsminer M61
Based on BTC price of $79,051 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the MicroBT Whatsminer M61 edges it: 3 of 6 factors go its way (efficiency, hashrate, price-performance). The standout gap is 39900% more hashrate (0.5 vs 200.0 TH/s) in the MicroBT Whatsminer M61's favour. The Bitaxe Ultra claws back ground on power consumption and home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitaxe Ultra and MicroBT Whatsminer M61 sit on each measurable spec:
- MicroBT Whatsminer M61 39900% more hashrate (0.5 vs 200.0 TH/s)
- Bitaxe Ultra 100% better power draw (15.0 vs 3,980.0 W)
- MicroBT Whatsminer M61 34% better efficiency (30.0 vs 19.9 J/TH)
- Bitaxe Ultra 53% better noise (35.0 vs 75.0 dB)
- Bitaxe Ultra 98% better weight (0.3 vs 13.5 kg)
- MicroBT Whatsminer M61 26423% more heat output (51.2 vs 13,579.8 BTU/hr)
- Bitaxe Ultra 133% more home mining score (70.0 vs 30.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitaxe Ultra | Metric | MicroBT Whatsminer M61 |
|---|---|---|
| $79 | Upfront cost (MSRP) | $2,200 |
| -$0.02 | Daily net profit | -$2.28 |
| -$86 | Net after 1 year | -$3,031 |
| -$92 | Net after 2 years | -$3,862 |
| -$99 | Net after 3 years | -$4,693 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitaxe UltraScore: 70/100. 35 dB noise level.
Best for Efficiency
MicroBT Whatsminer M6119.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitaxe Ultra or the MicroBT Whatsminer M61?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Ultra is more profitable at $-0.02/day compared to $-2.28/day for the MicroBT Whatsminer M61. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitaxe Ultra or MicroBT Whatsminer M61?
The Bitaxe Ultra is quieter at 35 dB compared to the MicroBT Whatsminer M61 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitaxe Ultra or the MicroBT Whatsminer M61?
The Bitaxe Ultra scores 70/100 on our Home Mining Score (vs 30/100 for the MicroBT Whatsminer M61). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Bitaxe Ultra and MicroBT Whatsminer M61?
The Bitaxe Ultra runs at 30.0 J/TH while the MicroBT Whatsminer M61 runs at 19.9 J/TH — a difference of 10.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 34% better efficiency (30.0 vs 19.9 J/TH).