Bitmain Antminer S21 (200Th)

Taux de hachage 200.0 TH/s Puissance 3,550 W Efficiency 17.8 J/TH

Bitdeer SealMiner A2 Hyd

Taux de hachage 446.0 TH/s Puissance 7,360 W Efficiency 16.5 J/TH

Bitmain Antminer S21 (200Th) vs Bitdeer SealMiner A2 Hyd

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

Specifications Comparison

Bitmain Antminer S21 (200Th)	Specification	Bitdeer SealMiner A2 Hyd
200.0 TH/s	Taux de hachage	446.0 TH/s
3,550 W	Consommation électrique	7,360 W
17.8 J/TH	Efficiency	16.5 J/TH
—	Niveau de bruit	50 dB
14.2 kg	Weight	20.5 kg
12,113 BTU/hr	BTU Output	25,112 BTU/hr
16/100	Home Mining Score	44/100
—	Release Year	—
SHA-256	Algorithme	SHA-256
Bitmain	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S21 (200Th)

Daily Revenue 0.00008668 BTC $6.44

Daily Electricity -$8.52

Daily Profit -$2.08

Monthly -$62.46

Yearly -$759.98

Bitdeer SealMiner A2 Hyd

Daily Revenue 0.00019331 BTC $14.36

Daily Electricity -$17.66

Daily Profit -$3.31

Monthly -$99.23

Yearly -$1,207.27

Based on BTC price of $74,268 and current network difficulty as of Mar 17, 2026. Actual results vary.

Verdict

Selon notre analyse multifactorielle, le Bitdeer SealMiner A2 Hyd l'emporte sur 4 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Bitmain Antminer S21 (200Th) a l'avantage en consommation électrique and rapport qualité-prix. 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 Hyd — l'emporte sur 4 des 6 facteurs

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitdeer SealMiner A2 Hyd

Score: 44/100. 50 dB noise level.

Best for Efficiency

Bitdeer SealMiner A2 Hyd

16.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21 (200Th) or Bitdeer SealMiner A2 Hyd more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 (200Th) is more profitable at $-2.08/day compared to $-3.31/day for the Bitdeer SealMiner A2 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 (200Th) or Bitdeer SealMiner A2 Hyd?

The Bitdeer SealMiner A2 Hyd is quieter at 50 dB compared to the Bitmain Antminer S21 (200Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S21 (200Th) or Bitdeer SealMiner A2 Hyd?

The Bitdeer SealMiner A2 Hyd scores 44/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 (200Th)). 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 (200Th) and Bitdeer SealMiner A2 Hyd?

The Bitmain Antminer S21 (200Th) runs at 17.8 J/TH while the Bitdeer SealMiner A2 Hyd runs at 16.5 J/TH — a difference of 1.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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