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StealthMiner

StealthMiner

Hashrate 800.0 GH/s Power 18 W Efficiency 22.5 J/TH
VS
Bitmain T21 (190TH)

Bitmain T21 (190TH)

Hashrate 190.0 TH/s Power 3,610 W Efficiency 19.0 J/TH

StealthMiner vs Bitmain T21 (190TH)

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

Specifications Comparison

StealthMiner Specification Bitmain T21 (190TH)
800.0 GH/s Hashrate 190.0 TH/s
18 W Power Consumption 3,610 W
22.5 J/TH Efficiency 19.0 J/TH
28 dB Noise Level 76 dB
1.5 kg Weight 16.4 kg
61 BTU/hr BTU Output 12,317 BTU/hr
70/100 Home Mining Score 23/100
Release Year
SHA-256 Algorithm SHA-256
D-Central Manufacturer Bitmain

Profitability Comparison

$/kWh

StealthMiner

Daily Revenue 0.00000035 BTC $0.02
Daily Electricity -$0.04
Daily Profit -$0.02
Monthly -$0.57
Yearly -$6.95

Bitmain T21 (190TH)

Daily Revenue 0.00008235 BTC $5.74
Daily Electricity -$8.66
Daily Profit -$2.93
Monthly -$87.85
Yearly -$1,068.84

Based on BTC price of $69,650 and current network difficulty as of Mar 26, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Bitmain T21 (190TH) wins on 3 of 6 factors (efficiency, hashrate, price-performance). The StealthMiner holds the edge in power consumption and home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Bitmain T21 (190TH) — wins on 3 of 6 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

StealthMiner

Score: 70/100. 28 dB noise level.

Best for Efficiency

Bitmain T21 (190TH)

19.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the StealthMiner or Bitmain T21 (190TH) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the StealthMiner is more profitable at $-0.02/day compared to $-2.93/day for the Bitmain T21 (190TH). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the StealthMiner or Bitmain T21 (190TH)?

The StealthMiner is quieter at 28 dB compared to the Bitmain T21 (190TH) at 76 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the StealthMiner or Bitmain T21 (190TH)?

The StealthMiner scores 70/100 on our Home Mining Score (vs 23/100 for the Bitmain T21 (190TH)). 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 StealthMiner and Bitmain T21 (190TH)?

The StealthMiner runs at 22.5 J/TH while the Bitmain T21 (190TH) runs at 19.0 J/TH — a difference of 3.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.