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Bitmain Antminer S21+ Hyd (358Th)

Bitmain Antminer S21+ Hyd (358Th)

Hashrate 358.0 TH/s Power 5,370 W Efficiency 15.0 J/TH
VS
Bitmain Antminer S5

Bitmain Antminer S5

Hashrate 1.2 TH/s Power 590 W Efficiency 510.8 J/TH

Bitmain Antminer S21+ Hyd (358Th) vs Bitmain Antminer S5

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

Specifications Comparison

Bitmain Antminer S21+ Hyd (358Th) Specification Bitmain Antminer S5
358.0 TH/s Hashrate 1.2 TH/s
5,370 W Power Consumption 590 W
15.0 J/TH Efficiency 510.8 J/TH
50 dB Noise Level
12.8 kg Weight
18,322 BTU/hr BTU Output 2,013 BTU/hr
44/100 Home Mining Score 30/100
Release Year
SHA-256 Algorithm SHA-256
Bitmain Manufacturer Bitmain

Profitability Comparison

$/kWh

Bitmain Antminer S21+ Hyd (358Th)

Daily Revenue 0.00016475 BTC $13.04
Daily Electricity -$12.89
Daily Profit $0.15
Monthly $4.41
Yearly $53.71

Bitmain Antminer S5

Daily Revenue 0.00000053 BTC $0.04
Daily Electricity -$1.42
Daily Profit -$1.37
Monthly -$41.22
Yearly -$501.49

Based on BTC price of $79,123 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Run the numbers across every spec and the Bitmain Antminer S21+ Hyd (358Th) edges it: 4 of 5 factors go its way (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 30896% more hashrate (358.0 vs 1.2 TH/s). The Bitmain Antminer S5 holds the edge in power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.

Winner: Bitmain Antminer S21+ Hyd (358Th) — wins on 4 of 5 factors

Spec Deltas

Stripped to the numbers, this is how far apart the Bitmain Antminer S21+ Hyd (358Th) and Bitmain Antminer S5 sit on each measurable spec:

  • Bitmain Antminer S21+ Hyd (358Th) 30896% more hashrate (358.0 vs 1.2 TH/s)
  • Bitmain Antminer S5 89% better power draw (5,370 vs 590 W)
  • Bitmain Antminer S21+ Hyd (358Th) 97% better efficiency (15.0 vs 510.8 J/TH)
  • Bitmain Antminer S21+ Hyd (358Th) 810% more heat output (18,322 vs 2,013 BTU/hr)
  • Bitmain Antminer S21+ Hyd (358Th) 47% more home mining score (44.0 vs 30.0)

Cost & ROI Over Time

Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.

Bitmain Antminer S21+ Hyd (358Th) Metric Bitmain Antminer S5
$2,757 Upfront cost (MSRP)
$0.15 Daily net profit -$1.37
-$2,703 Net after 1 year -$501
-$2,650 Net after 2 years -$1,003
-$2,596 Net after 3 years -$1,504
Takes ~51.3 years to pay back at current rates Payback period

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

Bitmain Antminer S21+ Hyd (358Th)

$1.52/day higher profit at current rates.

Best for Home Mining

Bitmain Antminer S21+ Hyd (358Th)

Score: 44/100. 50 dB noise level.

Best for Efficiency

Bitmain Antminer S21+ Hyd (358Th)

15.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Which makes more money, the Bitmain Antminer S21+ Hyd (358Th) or the Bitmain Antminer S5?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd (358Th) is more profitable at $0.15/day compared to $-1.37/day for the Bitmain Antminer S5. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Bitmain Antminer S21+ Hyd (358Th) vs Bitmain Antminer S5: which runs at a lower noise level?

The Bitmain Antminer S21+ Hyd (358Th) is quieter at 50 dB compared to the Bitmain Antminer S5 at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S21+ Hyd (358Th) or Bitmain Antminer S5?

The Bitmain Antminer S21+ Hyd (358Th) scores 44/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S5). 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 S21+ Hyd (358Th) and Bitmain Antminer S5?

The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the Bitmain Antminer S5 runs at 510.8 J/TH — a difference of 495.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 97% better efficiency (15.0 vs 510.8 J/TH).