Bitmain Antminer S19 Pro+ Hyd. (191Th)

Taux de hachage 191.0 TH/s Puissance 5,253 W Efficiency 27.5 J/TH

Bitmain Antminer S21 Immersion (301Th)

Taux de hachage 301.0 TH/s Puissance 5,569 W Efficiency 18.5 J/TH

Bitmain Antminer S19 Pro+ Hyd. (191Th) vs Bitmain Antminer S21 Immersion (301Th)

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

Specifications Comparison

Bitmain Antminer S19 Pro+ Hyd. (191Th)	Specification	Bitmain Antminer S21 Immersion (301Th)
191.0 TH/s	Taux de hachage	301.0 TH/s
5,253 W	Consommation électrique	5,569 W
27.5 J/TH	Efficiency	18.5 J/TH
—	Niveau de bruit	50 dB
15.2 kg	Weight	17.2 kg
17,923 BTU/hr	BTU Output	19,001 BTU/hr
16/100	Home Mining Score	44/100
—	Release Year	—
SHA-256	Algorithme	SHA-256
Bitmain	Manufacturer	Bitmain

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S19 Pro+ Hyd. (191Th)

Daily Revenue 0.00008789 BTC $6.87

Daily Electricity -$12.61

Daily Profit -$5.74

Monthly -$172.06

Yearly -$2,093.39

Bitmain Antminer S21 Immersion (301Th)

Daily Revenue 0.00013852 BTC $10.83

Daily Electricity -$13.37

Daily Profit -$2.54

Monthly -$76.08

Yearly -$925.67

Based on BTC price of $78,183 and current network difficulty as of May 16, 2026. Actual results vary.

Verdict

Selon notre analyse multifactorielle, le Bitmain Antminer S21 Immersion (301Th) l'emporte sur 4 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Its biggest concrete edge: 58% more hashrate (191 vs 301 TH/s). The Bitmain Antminer S19 Pro+ Hyd. (191Th) holds the edge in consommation électrique and rapport qualité-prix. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.

Winner: Bitmain Antminer S21 Immersion (301Th) — l'emporte sur 4 des 6 facteurs

Spec Deltas

Stripped to the numbers, this is how far apart the Bitmain Antminer S19 Pro+ Hyd. (191Th) and Bitmain Antminer S21 Immersion (301Th) sit on each measurable spec:

Bitmain Antminer S21 Immersion (301Th) 58% more hashrate (191 vs 301 TH/s)
Bitmain Antminer S19 Pro+ Hyd. (191Th) 6% better power draw (5,253 vs 5,569 W)
Bitmain Antminer S21 Immersion (301Th) 33% better efficacité (27.5 vs 18.5 J/TH)
Bitmain Antminer S19 Pro+ Hyd. (191Th) 11% better weight (15.2 vs 17.2 kg)
Bitmain Antminer S21 Immersion (301Th) 6% more heat output (17,923 vs 19,001 BTU/hr)
Bitmain Antminer S21 Immersion (301Th) 175% more score de minage domestique (16.0 vs 44.0)

Cost & ROI Over Time

A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.

Bitmain Antminer S19 Pro+ Hyd. (191Th)	Metric	Bitmain Antminer S21 Immersion (301Th)
$1,242	Upfront cost (MSRP)	$3,333
-$5.74	Daily net profit	-$2.54
-$3,335	Net after 1 year	-$4,258
-$5,429	Net after 2 years	-$5,184
-$7,522	Net after 3 years	-$6,109
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

Bitmain Antminer S21 Immersion (301Th)

Score: 44/100. 50 dB noise level.

Best for Efficiency

Bitmain Antminer S21 Immersion (301Th)

18.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Bitmain Antminer S19 Pro+ Hyd. (191Th) vs Bitmain Antminer S21 Immersion (301Th): which one earns more per day?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Immersion (301Th) is more profitable at $-2.54/day compared to $-5.74/day for the Bitmain Antminer S19 Pro+ Hyd. (191Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S19 Pro+ Hyd. (191Th) or Bitmain Antminer S21 Immersion (301Th)?

The Bitmain Antminer S21 Immersion (301Th) is quieter at 50 dB compared to the Bitmain Antminer S19 Pro+ Hyd. (191Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S19 Pro+ Hyd. (191Th) or Bitmain Antminer S21 Immersion (301Th)?

The Bitmain Antminer S21 Immersion (301Th) scores 44/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S19 Pro+ Hyd. (191Th)). 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 S19 Pro+ Hyd. (191Th) and Bitmain Antminer S21 Immersion (301Th)?

The Bitmain Antminer S19 Pro+ Hyd. (191Th) runs at 27.5 J/TH while the Bitmain Antminer S21 Immersion (301Th) runs at 18.5 J/TH — a difference of 9.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 33% better efficacité (27.5 vs 18.5 J/TH).

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