Antminer S9i

Hashrate 14.0 TH/s Power 1,320 W Efficiency 94.3 J/TH

Bitdeer SealMiner A2 Pro Hyd

Hashrate 500.0 TH/s Power 7,450 W Efficiency 14.9 J/TH

Antminer S9i vs Bitdeer SealMiner A2 Pro Hyd

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

Specifications Comparison

Antminer S9i	Specification	Bitdeer SealMiner A2 Pro Hyd
14.0 TH/s	Hashrate	500.0 TH/s
1,320 W	Power Consumption	7,450 W
94.3 J/TH	Efficiency	14.9 J/TH
76 dB	Noise Level	50 dB
4.2 kg	Weight	20.5 kg
4,504 BTU/hr	BTU Output	25,419 BTU/hr
83/100	Home Mining Score	44/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Antminer S9i

Daily Revenue 0.00000607 BTC $0.42

Daily Electricity -$3.17

Daily Profit -$2.74

Monthly -$82.33

Yearly -$1,001.66

Bitdeer SealMiner A2 Pro Hyd

Daily Revenue 0.00021671 BTC $15.13

Daily Electricity -$17.88

Daily Profit -$2.75

Monthly -$82.40

Yearly -$1,002.54

Based on BTC price of $69,832 and current network difficulty as of Mar 26, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Bitdeer SealMiner A2 Pro Hyd wins on 3 of 5 factors (efficiency, hashrate, noise level). The Antminer S9i holds the edge in power consumption and home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Bitdeer SealMiner A2 Pro Hyd — wins on 3 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Antminer S9i

Score: 83/100. 76 dB noise level.

Best for Efficiency

Bitdeer SealMiner A2 Pro Hyd

14.9 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer S9i or Bitdeer SealMiner A2 Pro Hyd more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer S9i is more profitable at $-2.74/day compared to $-2.75/day for the Bitdeer SealMiner A2 Pro Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Antminer S9i or Bitdeer SealMiner A2 Pro Hyd?

The Bitdeer SealMiner A2 Pro Hyd is quieter at 50 dB compared to the Antminer S9i at 76 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Antminer S9i or Bitdeer SealMiner A2 Pro Hyd?

The Antminer S9i scores 83/100 on our Home Mining Score (vs 44/100 for the Bitdeer SealMiner A2 Pro Hyd). 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 Antminer S9i and Bitdeer SealMiner A2 Pro Hyd?

The Antminer S9i runs at 94.3 J/TH while the Bitdeer SealMiner A2 Pro Hyd runs at 14.9 J/TH — a difference of 79.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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