Canaan Avalon Mini 3 vs Block Proto Rig
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan Avalon Mini 3 | Specification | Block Proto Rig |
|---|---|---|
| 37.5 TH/s | Hashrate | 819.0 TH/s |
| 800 W | Power Consumption | 12,000 W |
| 21.3 J/TH | Efficiency | 14.7 J/TH |
| 33 dB | Noise Level | 80 dB |
| 8.4 kg | Weight | — |
| 2,730 BTU/hr | BTU Output | 40,944 BTU/hr |
| 65/100 | Home Mining Score | — |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | Block Inc |
Profitability Comparison
Canaan Avalon Mini 3
Block Proto Rig
Based on BTC price of $77,932 and current network difficulty as of May 21, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Block Proto Rig, which leads on 2 of 5 weighted factors (efficiency, hashrate). Its biggest concrete edge: 2084% more hashrate (37.5 vs 819.0 TH/s). That said, the Canaan Avalon Mini 3 isn't beaten everywhere — it still wins power consumption and home mining score and noise level. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Canaan Avalon Mini 3 and Block Proto Rig sit on each measurable spec:
- Block Proto Rig 2084% more hashrate (37.5 vs 819.0 TH/s)
- Canaan Avalon Mini 3 93% better power draw (800 vs 12,000 W)
- Block Proto Rig 31% better efficiency (21.3 vs 14.7 J/TH)
- Canaan Avalon Mini 3 59% better noise (33.0 vs 80.0 dB)
- Block Proto Rig 1400% more heat output (2,730 vs 40,944 BTU/hr)
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.
| Canaan Avalon Mini 3 | Metric | Block Proto Rig |
|---|---|---|
| $710 | Upfront cost (MSRP) | — |
| -$0.58 | Daily net profit | $0.57 |
| -$920 | Net after 1 year | +$209 |
| -$1,130 | Net after 2 years | +$417 |
| -$1,340 | Net after 3 years | +$626 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Block Proto Rig$1.15/day higher profit at current rates.
Best for Home Mining
Canaan Avalon Mini 3Score: 65/100. 33 dB noise level.
Best for Efficiency
Block Proto Rig14.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Canaan Avalon Mini 3 or Block Proto Rig more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Block Proto Rig is more profitable at $0.57/day compared to $-0.58/day for the Canaan Avalon Mini 3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Canaan Avalon Mini 3 or the Block Proto Rig better for noise-sensitive spaces?
The Canaan Avalon Mini 3 is quieter at 33 dB compared to the Block Proto Rig at 80 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Canaan Avalon Mini 3 or Block Proto Rig?
The Canaan Avalon Mini 3 scores 65/100 on our Home Mining Score (vs 0/100 for the Block Proto Rig). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Canaan Avalon Mini 3 vs Block Proto Rig: how much does the efficiency gap matter?
The Canaan Avalon Mini 3 runs at 21.3 J/TH while the Block Proto Rig runs at 14.7 J/TH — a difference of 6.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 31% better efficiency (21.3 vs 14.7 J/TH).