Bitaxe Ultra

Hashrate 500.0 GH/s Power 15 W Efficiency 30.0 J/TH

MicroBT Whatsminer M32S

Hashrate 66.0 TH/s Power 3,432 W Efficiency 52.0 J/TH

Bitaxe Ultra vs MicroBT Whatsminer M32S

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Bitaxe Ultra	Specification	MicroBT Whatsminer M32S
500.0 GH/s	Hashrate	66.0 TH/s
15 W	Power Consumption	3,432 W
30.0 J/TH	Efficiency	52.0 J/TH
35 dB	Noise Level	—
0.3 kg	Weight	—
51 BTU/hr	BTU Output	11,710 BTU/hr
70/100	Home Mining Score	22/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
D-Central	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

Bitaxe Ultra

Daily Revenue 0.00000023 BTC $0.02

Daily Electricity -$0.04

Daily Profit -$0.02

Monthly -$0.53

Yearly -$6.50

MicroBT Whatsminer M32S

Daily Revenue 0.00003037 BTC $2.40

Daily Electricity -$8.24

Daily Profit -$5.83

Monthly -$175.02

Yearly -$2,129.38

Based on BTC price of $79,115 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Weighing six performance factors, the Bitaxe Ultra comes out ahead — it takes 4 of 6 (efficiency, power consumption, home mining score, noise level). The standout gap is 100% better power draw (15.0 vs 3,432.0 W) in the Bitaxe Ultra's favour. That said, the MicroBT Whatsminer M32S isn't beaten everywhere — it still wins hashrate and price-performance. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.

Winner: Bitaxe Ultra — wins on 4 of 6 factors

Spec Deltas

Here is every spec where the Bitaxe Ultra and MicroBT Whatsminer M32S actually differ, with the gap quantified:

MicroBT Whatsminer M32S 13100% more hashrate (0.5 vs 66.0 TH/s)
Bitaxe Ultra 100% better power draw (15.0 vs 3,432.0 W)
Bitaxe Ultra 42% better efficiency (30.0 vs 52.0 J/TH)
MicroBT Whatsminer M32S 22771% more heat output (51.2 vs 11,710.0 BTU/hr)
Bitaxe Ultra 218% more home mining score (70.0 vs 22.0)

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 M32S
$79	Upfront cost (MSRP)	$5,500
-$0.02	Daily net profit	-$5.83
-$85	Net after 1 year	-$7,629
-$92	Net after 2 years	-$9,759
-$98	Net after 3 years	-$11,888
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

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitaxe Ultra

Score: 70/100. 35 dB noise level.

Best for Efficiency

Bitaxe Ultra

30.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Which makes more money, the Bitaxe Ultra or the MicroBT Whatsminer M32S?

At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Ultra is more profitable at $-0.02/day compared to $-5.83/day for the MicroBT Whatsminer M32S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Is the Bitaxe Ultra or the MicroBT Whatsminer M32S better for noise-sensitive spaces?

The Bitaxe Ultra is quieter at 35 dB compared to the MicroBT Whatsminer M32S at 0 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 M32S?

The Bitaxe Ultra scores 70/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M32S). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.

How far apart are the Bitaxe Ultra and MicroBT Whatsminer M32S on J/TH?

The Bitaxe Ultra runs at 30.0 J/TH while the MicroBT Whatsminer M32S runs at 52.0 J/TH — a difference of 22.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 42% better efficiency (30.0 vs 52.0 J/TH).

Compare Bitaxe Ultra with...

Compare MicroBT Whatsminer M32S with...

Shop Miners Browse our full catalog of ASIC miners, Bitaxe, and accessories. ASIC Repair 2,500+ miners repaired. Expert diagnostics and board-level repair. Miner Database Compare 500+ miners with live profitability data.