Bitmain Antminer S21+ Hyd

Taux de hachage 319.0 TH/s Puissance 4,785 W Efficiency 15.0 J/TH

Bitdeer SealMiner A2 Pro Air

Taux de hachage 255.0 TH/s Puissance 3,790 W Efficiency 14.9 J/TH

Bitmain Antminer S21+ Hyd vs Bitdeer SealMiner A2 Pro Air

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

Specifications Comparison

Bitmain Antminer S21+ Hyd	Specification	Bitdeer SealMiner A2 Pro Air
319.0 TH/s	Taux de hachage	255.0 TH/s
4,785 W	Consommation électrique	3,790 W
15.0 J/TH	Efficiency	14.9 J/TH
50 dB	Niveau de bruit	75 dB
17.5 kg	Weight	15.5 kg
16,326 BTU/hr	BTU Output	12,932 BTU/hr
44/100	Home Mining Score	30/100
—	Release Year	—
SHA-256	Algorithme	SHA-256
Bitmain	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S21+ Hyd

Daily Revenue 0.00014989 BTC $10.04

Daily Electricity -$11.48

Daily Profit -$1.44

Monthly -$43.31

Yearly -$526.97

Bitdeer SealMiner A2 Pro Air

Daily Revenue 0.00011981 BTC $8.03

Daily Electricity -$9.10

Daily Profit -$1.07

Monthly -$32.10

Yearly -$390.58

Based on BTC price of $66,986 and current network difficulty as of Mar 28, 2026. Actual results vary.

Verdict

Selon notre analyse multifactorielle, le Bitmain Antminer S21+ Hyd l'emporte sur 4 des 6 facteurs (hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Le Bitdeer SealMiner A2 Pro Air a l'avantage en efficacité and consommation électrique. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.

Winner: Bitmain Antminer S21+ Hyd — l'emporte sur 4 des 6 facteurs

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitmain Antminer S21+ Hyd

Score: 44/100. 50 dB noise level.

Best for Efficiency

Bitdeer SealMiner A2 Pro Air

14.9 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21+ Hyd or Bitdeer SealMiner A2 Pro Air more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 Pro Air is more profitable at $-1.07/day compared to $-1.44/day for the Bitmain Antminer S21+ Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S21+ Hyd or Bitdeer SealMiner A2 Pro Air?

The Bitmain Antminer S21+ Hyd is quieter at 50 dB compared to the Bitdeer SealMiner A2 Pro Air at 75 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S21+ Hyd or Bitdeer SealMiner A2 Pro Air?

The Bitmain Antminer S21+ Hyd scores 44/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A2 Pro Air). 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 Bitmain Antminer S21+ Hyd and Bitdeer SealMiner A2 Pro Air?

The Bitmain Antminer S21+ Hyd runs at 15.0 J/TH while the Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH — a difference of 0.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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