Bitmain Antminer S19 XP+ Hyd (279Th) vs Bitmain Antminer S21 XP+ Hyd (500Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 XP+ Hyd (279Th) | Specification | Bitmain Antminer S21 XP+ Hyd (500Th) |
|---|---|---|
| 279.0 TH/s | Hashrate | 500.0 TH/s |
| 5,301 W | Power Consumption | 5,500 W |
| 19.0 J/TH | Efficiency | 11.0 J/TH |
| 50 dB | Noise Level | 50 dB |
| 13.4 kg | Weight | 13.8 kg |
| 18,087 BTU/hr | BTU Output | 18,766 BTU/hr |
| 44/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S19 XP+ Hyd (279Th)
Bitmain Antminer S21 XP+ Hyd (500Th)
Based on BTC price of $79,027 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S21 XP+ Hyd (500Th) comes out ahead — it takes 2 of 4 (efficiency, hashrate). The standout gap is 79% more hashrate (279 vs 500 TH/s) in the Bitmain Antminer S21 XP+ Hyd (500Th)'s favour. The Bitmain Antminer S19 XP+ Hyd (279Th) 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.
Spec Deltas
Here is every spec where the Bitmain Antminer S19 XP+ Hyd (279Th) and Bitmain Antminer S21 XP+ Hyd (500Th) actually differ, with the gap quantified:
- Bitmain Antminer S21 XP+ Hyd (500Th) 79% more hashrate (279 vs 500 TH/s)
- Bitmain Antminer S19 XP+ Hyd (279Th) 4% better power draw (5,301 vs 5,500 W)
- Bitmain Antminer S21 XP+ Hyd (500Th) 42% better efficiency (19.0 vs 11.0 J/TH)
- Bitmain Antminer S19 XP+ Hyd (279Th) 3% better weight (13.4 vs 13.8 kg)
- Bitmain Antminer S21 XP+ Hyd (500Th) 4% more heat output (18,087 vs 18,766 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 S19 XP+ Hyd (279Th) | Metric | Bitmain Antminer S21 XP+ Hyd (500Th) |
|---|---|---|
| $1,089 | Upfront cost (MSRP) | $9,125 |
| -$2.58 | Daily net profit | $4.98 |
| -$2,029 | Net after 1 year | -$7,306 |
| -$2,970 | Net after 2 years | -$5,487 |
| -$3,910 | Net after 3 years | -$3,668 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~5.0 years to pay back at current rates |
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 XP+ Hyd (500Th)$7.56/day higher profit at current rates.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer S21 XP+ Hyd (500Th)11.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S19 XP+ Hyd (279Th) or the Bitmain Antminer S21 XP+ Hyd (500Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP+ Hyd (500Th) is more profitable at $4.98/day compared to $-2.58/day for the Bitmain Antminer S19 XP+ Hyd (279Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S19 XP+ Hyd (279Th) vs Bitmain Antminer S21 XP+ Hyd (500Th): which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer S19 XP+ Hyd (279Th) vs Bitmain Antminer S21 XP+ Hyd (500Th): 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 S19 XP+ Hyd (279Th) and Bitmain Antminer S21 XP+ Hyd (500Th)?
The Bitmain Antminer S19 XP+ Hyd (279Th) runs at 19.0 J/TH while the Bitmain Antminer S21 XP+ Hyd (500Th) runs at 11.0 J/TH — a difference of 8.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 42% better efficiency (19.0 vs 11.0 J/TH).
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Compare Bitmain Antminer S21 XP+ Hyd (500Th) with...
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