Antminer Slim Edition (S9) vs Canaan Avalon Mini 3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer Slim Edition (S9) | Specification | Canaan Avalon Mini 3 |
|---|---|---|
| 12.0 TH/s | Hashrate | 37.5 TH/s |
| 1,100 W | Power Consumption | 800 W |
| 91.7 J/TH | Efficiency | 21.3 J/TH |
| 65 dB | Noise Level | 33 dB |
| 3.5 kg | Weight | 8.4 kg |
| 3,753 BTU/hr | BTU Output | 2,730 BTU/hr |
| 52/100 | Home Mining Score | 65/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| D-Central | Manufacturer | Canaan |
Profitability Comparison
Antminer Slim Edition (S9)
Canaan Avalon Mini 3
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 Canaan Avalon Mini 3, which leads on 6 of 6 weighted factors (efficiency, hashrate, power consumption, home mining score, noise level, price-performance). Its biggest concrete edge: 77% better efficiency (91.7 vs 21.3 J/TH). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer Slim Edition (S9) and Canaan Avalon Mini 3 sit on each measurable spec:
- Canaan Avalon Mini 3 213% more hashrate (12.0 vs 37.5 TH/s)
- Canaan Avalon Mini 3 27% better power draw (1,100 vs 800 W)
- Canaan Avalon Mini 3 77% better efficiency (91.7 vs 21.3 J/TH)
- Canaan Avalon Mini 3 49% better noise (65.0 vs 33.0 dB)
- Antminer Slim Edition (S9) 58% better weight (3.5 vs 8.4 kg)
- Antminer Slim Edition (S9) 38% more heat output (3,753 vs 2,730 BTU/hr)
- Canaan Avalon Mini 3 25% more home mining score (52.0 vs 65.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Antminer Slim Edition (S9) | Metric | Canaan Avalon Mini 3 |
|---|---|---|
| $350 | Upfront cost (MSRP) | $710 |
| -$2.20 | Daily net profit | -$0.56 |
| -$1,154 | Net after 1 year | -$913 |
| -$1,959 | Net after 2 years | -$1,116 |
| -$2,763 | Net after 3 years | -$1,319 |
| 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
Canaan Avalon Mini 3Score: 65/100. 33 dB noise level.
Best for Efficiency
Canaan Avalon Mini 321.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer Slim Edition (S9) vs Canaan Avalon Mini 3: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon Mini 3 is more profitable at $-0.56/day compared to $-2.20/day for the Antminer Slim Edition (S9). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer Slim Edition (S9) vs Canaan Avalon Mini 3: which runs at a lower noise level?
The Canaan Avalon Mini 3 is quieter at 33 dB compared to the Antminer Slim Edition (S9) at 65 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer Slim Edition (S9) or Canaan Avalon Mini 3?
The Canaan Avalon Mini 3 scores 65/100 on our Home Mining Score (vs 52/100 for the Antminer Slim Edition (S9)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer Slim Edition (S9) vs Canaan Avalon Mini 3: how much does the efficiency gap matter?
The Antminer Slim Edition (S9) runs at 91.7 J/TH while the Canaan Avalon Mini 3 runs at 21.3 J/TH — a difference of 70.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 77% better efficiency (91.7 vs 21.3 J/TH).