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Bitmain Antminer S19e XP Hydro 251T

Bitmain Antminer S19e XP Hydro 251T

Hashrate 251.0 TH/s Power 5,522 W Efficiency 22.0 J/TH
VS
Bitmain Antminer S21 Immersion (301Th)

Bitmain Antminer S21 Immersion (301Th)

Hashrate 301.0 TH/s Power 5,569 W Efficiency 18.5 J/TH

Bitmain Antminer S19e XP Hydro 251T vs Bitmain Antminer S21 Immersion (301Th)

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

Specifications Comparison

Bitmain Antminer S19e XP Hydro 251T Specification Bitmain Antminer S21 Immersion (301Th)
251.0 TH/s Hashrate 301.0 TH/s
5,522 W Power Consumption 5,569 W
22.0 J/TH Efficiency 18.5 J/TH
50 dB Noise Level 50 dB
12.8 kg Weight 17.2 kg
18,841 BTU/hr BTU Output 19,001 BTU/hr
44/100 Home Mining Score 44/100
— Release Year —
SHA-256 Algorithm SHA-256
Bitmain Manufacturer Bitmain

Profitability Comparison

$/kWh

Bitmain Antminer S19e XP Hydro 251T

Daily Revenue 0.00011911 BTC $9.43
Daily Electricity -$13.25
Daily Profit -$3.82
Monthly -$114.72
Yearly -$1,395.78

Bitmain Antminer S21 Immersion (301Th)

Daily Revenue 0.00014284 BTC $11.31
Daily Electricity -$13.37
Daily Profit -$2.06
Monthly -$61.76
Yearly -$751.40

Based on BTC price of $79,159 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Bitmain Antminer S21 Immersion (301Th) wins on 2 of 4 factors (efficiency, hashrate). The standout gap is 20% more hashrate (251 vs 301 TH/s) in the Bitmain Antminer S21 Immersion (301Th)'s favour. The Bitmain Antminer S19e XP Hydro 251T claws back ground on power consumption and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Bitmain Antminer S21 Immersion (301Th) — wins on 2 of 4 factors

Spec Deltas

Stripped to the numbers, this is how far apart the Bitmain Antminer S19e XP Hydro 251T and Bitmain Antminer S21 Immersion (301Th) sit on each measurable spec:

  • Bitmain Antminer S21 Immersion (301Th) 20% more hashrate (251 vs 301 TH/s)
  • Bitmain Antminer S19e XP Hydro 251T 1% better power draw (5,522 vs 5,569 W)
  • Bitmain Antminer S21 Immersion (301Th) 16% better efficiency (22.0 vs 18.5 J/TH)
  • Bitmain Antminer S19e XP Hydro 251T 25% better weight (12.8 vs 17.2 kg)
  • Bitmain Antminer S21 Immersion (301Th) 1% more heat output (18,841 vs 19,001 BTU/hr)

Cost & ROI Over Time

Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.

Bitmain Antminer S19e XP Hydro 251T Metric Bitmain Antminer S21 Immersion (301Th)
$816 Upfront cost (MSRP) $3,333
-$3.82 Daily net profit -$2.06
-$2,212 Net after 1 year -$4,084
-$3,608 Net after 2 years -$4,835
-$5,003 Net after 3 years -$5,587
Does not pay back at current rates (negative daily profit) Payback period Does not pay back at current rates (negative daily profit)

Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Tie

Both miners are equally suitable for home use.

Best for Efficiency

Bitmain Antminer S21 Immersion (301Th)

18.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S19e XP Hydro 251T or Bitmain Antminer S21 Immersion (301Th) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Immersion (301Th) is more profitable at $-2.06/day compared to $-3.82/day for the Bitmain Antminer S19e XP Hydro 251T. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S19e XP Hydro 251T or Bitmain Antminer S21 Immersion (301Th)?

Both miners have similar noise levels. Check the specs table above for exact decibel readings.

Bitmain Antminer S19e XP Hydro 251T vs Bitmain Antminer S21 Immersion (301Th): which fits a residential setup better?

Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.

What is the efficiency difference between Bitmain Antminer S19e XP Hydro 251T and Bitmain Antminer S21 Immersion (301Th)?

The Bitmain Antminer S19e XP Hydro 251T runs at 22.0 J/TH while the Bitmain Antminer S21 Immersion (301Th) runs at 18.5 J/TH — a difference of 3.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 16% better efficiency (22.0 vs 18.5 J/TH).

Compare Bitmain Antminer S19e XP Hydro 251T with...

Compare Bitmain Antminer S21 Immersion (301Th) with...

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