Canaan AvalonMiner 921

Taux de hachage 20.0 TH/s Puissance 1,700 W Efficiency 85.0 J/TH

Bitdeer SealMiner A2

Taux de hachage 226.0 TH/s Puissance 3,730 W Efficiency 16.5 J/TH

Canaan AvalonMiner 921 vs Bitdeer SealMiner A2

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

Specifications Comparison

Canaan AvalonMiner 921	Specification	Bitdeer SealMiner A2
20.0 TH/s	Taux de hachage	226.0 TH/s
1,700 W	Consommation électrique	3,730 W
85.0 J/TH	Efficiency	16.5 J/TH
—	Niveau de bruit	75 dB
—	Weight	15.5 kg
5,800 BTU/hr	BTU Output	12,727 BTU/hr
28/100	Home Mining Score	30/100
—	Release Year	—
SHA-256	Algorithme	SHA-256
Canaan	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Canaan AvalonMiner 921

Daily Revenue 0.00000867 BTC $0.64

Daily Electricity -$4.08

Daily Profit -$3.44

Monthly -$103.08

Yearly -$1,254.15

Bitdeer SealMiner A2

Daily Revenue 0.00009795 BTC $7.28

Daily Electricity -$8.95

Daily Profit -$1.67

Monthly -$50.25

Yearly -$611.36

Based on BTC price of $74,291 and current network difficulty as of Mar 17, 2026. Actual results vary.

Verdict

Selon notre analyse multifactorielle, le Bitdeer SealMiner A2 l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Canaan AvalonMiner 921 a l'avantage en consommation électrique. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.

Winner: Bitdeer SealMiner A2 — l'emporte sur 4 des 5 facteurs

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitdeer SealMiner A2

Score: 30/100. 75 dB noise level.

Best for Efficiency

Bitdeer SealMiner A2

16.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Canaan AvalonMiner 921 or Bitdeer SealMiner A2 more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 is more profitable at $-1.67/day compared to $-3.44/day for the Canaan AvalonMiner 921. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Canaan AvalonMiner 921 or Bitdeer SealMiner A2?

The Bitdeer SealMiner A2 is quieter at 75 dB compared to the Canaan AvalonMiner 921 at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Canaan AvalonMiner 921 or Bitdeer SealMiner A2?

The Bitdeer SealMiner A2 scores 30/100 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.

What is the efficiency difference between Canaan AvalonMiner 921 and Bitdeer SealMiner A2?

The Canaan AvalonMiner 921 runs at 85.0 J/TH while the Bitdeer SealMiner A2 runs at 16.5 J/TH — a difference of 68.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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