Canaan AvalonMiner 921 vs Nerdminer
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan AvalonMiner 921 | Specification | Nerdminer |
|---|---|---|
| 20.0 TH/s | Hashrate | 50.0 KH/s |
| 1,700 W | Power Consumption | 1 W |
| 85.0 J/TH | Efficiency | 20,000,000.0 J/TH |
| — | Noise Level | — |
| — | Weight | 0.1 kg |
| 5,800 BTU/hr | BTU Output | 3 BTU/hr |
| 28/100 | Home Mining Score | 35/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | D-Central |
Profitability Comparison
Canaan AvalonMiner 921
Nerdminer
Based on BTC price of $79,271 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Canaan AvalonMiner 921 comes out ahead — it takes 2 of 4 (efficiency, hashrate). The standout gap is 39999999900% more hashrate (20.0 vs 0.0 TH/s) in the Canaan AvalonMiner 921's favour. That said, the Nerdminer isn't beaten everywhere — it still wins power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Canaan AvalonMiner 921 and Nerdminer actually differ, with the gap quantified:
- Canaan AvalonMiner 921 39999999900% more hashrate (20.0 vs 0.0 TH/s)
- Nerdminer 100% better power draw (1,700.0 vs 1.0 W)
- Canaan AvalonMiner 921 100% better efficiency (85.0 vs 20,000,000.0 J/TH)
- Canaan AvalonMiner 921 170500% more heat output (5,800.4 vs 3.4 BTU/hr)
- Nerdminer 25% more home mining score (28.0 vs 35.0)
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.
| Canaan AvalonMiner 921 | Metric | Nerdminer |
|---|---|---|
| — | Upfront cost (MSRP) | $29 |
| -$3.35 | Daily net profit | -$0.00 |
| -$1,223 | Net after 1 year | -$30 |
| -$2,446 | Net after 2 years | -$31 |
| -$3,669 | Net after 3 years | -$32 |
| — | 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
NerdminerScore: 35/100. 0 dB noise level.
Best for Efficiency
Canaan AvalonMiner 92185.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Canaan AvalonMiner 921 or the Nerdminer?
At the current BTC price and a $0.10/kWh electricity rate, the Nerdminer is more profitable at $0.00/day compared to $-3.35/day for the Canaan AvalonMiner 921. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Canaan AvalonMiner 921 or the Nerdminer better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Canaan AvalonMiner 921 or Nerdminer?
The Nerdminer scores 35/100 on our Home Mining Score (vs 28/100 for the Canaan AvalonMiner 921). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Canaan AvalonMiner 921 and Nerdminer on J/TH?
The Canaan AvalonMiner 921 runs at 85.0 J/TH while the Nerdminer runs at 20,000,000.0 J/TH — a difference of 19,999,915.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficiency (85.0 vs 20,000,000.0 J/TH).