Bitaxe Supra

Hashrate 600.0 GH/s Power 15 W Efficiency 25.0 J/TH

Bitcoin Space Heater S19 Edition

Hashrate 80.0 TH/s Power 2,400 W Efficiency 30.0 J/TH

Bitaxe Supra vs Bitcoin Space Heater S19 Edition

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

Specifications Comparison

Bitaxe Supra	Specification	Bitcoin Space Heater S19 Edition
600.0 GH/s	Hashrate	80.0 TH/s
15 W	Power Consumption	2,400 W
25.0 J/TH	Efficiency	30.0 J/TH
35 dB	Noise Level	55 dB
0.3 kg	Weight	18.0 kg
51 BTU/hr	BTU Output	8,189 BTU/hr
70/100	Home Mining Score	54/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
D-Central	Manufacturer	D-Central

Profitability Comparison

Electricity Rate:

$/kWh

Bitaxe Supra

Daily Revenue 0.00000028 BTC $0.02

Daily Electricity -$0.04

Daily Profit -$0.01

Monthly -$0.43

Yearly -$5.17

Bitcoin Space Heater S19 Edition

Daily Revenue 0.00003681 BTC $2.91

Daily Electricity -$5.76

Daily Profit -$2.85

Monthly -$85.49

Yearly -$1,040.16

Based on BTC price of $79,051 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Our scoring model gives the nod to the Bitaxe Supra, which leads on 4 of 6 weighted factors (efficiency, power consumption, home mining score, noise level). Where it pulls away hardest is 99% better power draw (15.0 vs 2,400.0 W). The Bitcoin Space Heater S19 Edition holds the edge in hashrate and price-performance. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.

Winner: Bitaxe Supra — wins on 4 of 6 factors

Spec Deltas

Stripped to the numbers, this is how far apart the Bitaxe Supra and Bitcoin Space Heater S19 Edition sit on each measurable spec:

Bitcoin Space Heater S19 Edition 13233% more hashrate (0.6 vs 80.0 TH/s)
Bitaxe Supra 99% better power draw (15.0 vs 2,400.0 W)
Bitaxe Supra 17% better efficiency (25.0 vs 30.0 J/TH)
Bitaxe Supra 36% better noise (35.0 vs 55.0 dB)
Bitaxe Supra 98% better weight (0.3 vs 18.0 kg)
Bitcoin Space Heater S19 Edition 15894% more heat output (51.2 vs 8,188.8 BTU/hr)
Bitaxe Supra 30% more home mining score (70.0 vs 54.0)

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 Supra	Metric	Bitcoin Space Heater S19 Edition
$89	Upfront cost (MSRP)	$1,299
-$0.01	Daily net profit	-$2.85
-$94	Net after 1 year	-$2,339
-$99	Net after 2 years	-$3,379
-$105	Net after 3 years	-$4,419
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 Supra

Score: 70/100. 35 dB noise level.

Best for Efficiency

Bitaxe Supra

25.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Bitaxe Supra vs Bitcoin Space Heater S19 Edition: which one earns more per day?

At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Supra is more profitable at $-0.01/day compared to $-2.85/day for the Bitcoin Space Heater S19 Edition. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitaxe Supra or Bitcoin Space Heater S19 Edition?

The Bitaxe Supra is quieter at 35 dB compared to the Bitcoin Space Heater S19 Edition at 55 dB. For home mining, lower noise levels make a significant difference in livability.

For mining at home, should I pick the Bitaxe Supra or the Bitcoin Space Heater S19 Edition?

The Bitaxe Supra scores 70/100 on our Home Mining Score (vs 54/100 for the Bitcoin Space Heater S19 Edition). 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 Supra and Bitcoin Space Heater S19 Edition?

The Bitaxe Supra runs at 25.0 J/TH while the Bitcoin Space Heater S19 Edition runs at 30.0 J/TH — a difference of 5.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 17% better efficiency (25.0 vs 30.0 J/TH).

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