Bitmain Antminer S7

Hashrate 4.7 TH/s Power 1,293 W Efficiency 273.4 J/TH

Bitcoin Space Heater S9 Edition

Hashrate 12.0 TH/s Power 1,100 W Efficiency 91.7 J/TH

Bitmain Antminer S7 vs Bitcoin Space Heater S9 Edition

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

Specifications Comparison

Bitmain Antminer S7	Specification	Bitcoin Space Heater S9 Edition
4.7 TH/s	Hashrate	12.0 TH/s
1,293 W	Power Consumption	1,100 W
273.4 J/TH	Efficiency	91.7 J/TH
—	Noise Level	50 dB
3,900.0 kg	Weight	8.0 kg
4,412 BTU/hr	BTU Output	3,753 BTU/hr
31/100	Home Mining Score	59/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	D-Central

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S7

Daily Revenue 0.00000205 BTC $0.15

Daily Electricity -$3.10

Daily Profit -$2.96

Monthly -$88.74

Yearly -$1,079.69

Bitcoin Space Heater S9 Edition

Daily Revenue 0.00000520 BTC $0.37

Daily Electricity -$2.64

Daily Profit -$2.27

Monthly -$68.15

Yearly -$829.20

Based on BTC price of $70,799 and current network difficulty as of Mar 25, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Bitcoin Space Heater S9 Edition wins on 5 of 5 factors (efficiency, hashrate, power consumption, home mining score, noise level). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Bitcoin Space Heater S9 Edition — wins on 5 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitcoin Space Heater S9 Edition

Score: 59/100. 50 dB noise level.

Best for Efficiency

Bitcoin Space Heater S9 Edition

91.7 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S7 or Bitcoin Space Heater S9 Edition more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitcoin Space Heater S9 Edition is more profitable at $-2.27/day compared to $-2.96/day for the Bitmain Antminer S7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S7 or Bitcoin Space Heater S9 Edition?

The Bitcoin Space Heater S9 Edition is quieter at 50 dB compared to the Bitmain Antminer S7 at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S7 or Bitcoin Space Heater S9 Edition?

The Bitcoin Space Heater S9 Edition scores 59/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S7). 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 S7 and Bitcoin Space Heater S9 Edition?

The Bitmain Antminer S7 runs at 273.4 J/TH while the Bitcoin Space Heater S9 Edition runs at 91.7 J/TH — a difference of 181.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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