Canaan AvalonMiner 821 vs Nerdminer
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan AvalonMiner 821 | Specification | Nerdminer |
|---|---|---|
| 11.5 TH/s | Taux de hachage | 50.0 KH/s |
| 1,200 W | Consommation électrique | 1 W |
| 104.4 J/TH | Efficiency | 20,000,000.0 J/TH |
| — | Niveau de bruit | — |
| 4.7 kg | Weight | 0.1 kg |
| 4,094 BTU/hr | BTU Output | 3 BTU/hr |
| 31/100 | Home Mining Score | 35/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Canaan | Manufacturer | D-Central |
Profitability Comparison
Canaan AvalonMiner 821
Nerdminer
Based on BTC price of $62,822 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Canaan AvalonMiner 821 l'emporte sur 3 des 5 facteurs (efficacité, hashrate, rapport qualité-prix). Its biggest concrete edge: 22999999900% more hashrate (11.5 vs 0.0 TH/s). The Nerdminer claws back ground on consommation électrique and score de minage domestique. 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 Canaan AvalonMiner 821 and Nerdminer sit on each measurable spec:
- Canaan AvalonMiner 821 22999999900% more hashrate (11.5 vs 0.0 TH/s)
- Nerdminer 100% better power draw (1,200.0 vs 1.0 W)
- Canaan AvalonMiner 821 100% better efficacité (104 vs 20,000,000 J/TH)
- Nerdminer 99% better weight (4.7 vs 0.1 kg)
- Canaan AvalonMiner 821 120324% more heat output (4,094.4 vs 3.4 BTU/hr)
- Nerdminer 13% more score de minage domestique (31.0 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 821 | Metric | Nerdminer |
|---|---|---|
| $699 | Upfront cost (MSRP) | $29 |
| -$2.55 | Daily net profit | -$0.00 |
| -$1,631 | Net after 1 year | -$30 |
| -$2,563 | Net after 2 years | -$31 |
| -$3,495 | Net after 3 years | -$32 |
| 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
NerdminerScore: 35/100. 0 dB noise level.
Best for Efficiency
Canaan AvalonMiner 821104.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Canaan AvalonMiner 821 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 $-2.55/day for the Canaan AvalonMiner 821. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Canaan AvalonMiner 821 or Nerdminer?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Canaan AvalonMiner 821 or Nerdminer?
The Nerdminer scores 35/100 on our Home Mining Score (vs 31/100 for the Canaan AvalonMiner 821). 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 Canaan AvalonMiner 821 and Nerdminer?
The Canaan AvalonMiner 821 runs at 104.4 J/TH while the Nerdminer runs at 20,000,000.0 J/TH — a difference of 19,999,895.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficacité (104 vs 20,000,000 J/TH).