Bitmain Antminer S19e XP Hydro 251T vs NerdAxe
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19e XP Hydro 251T | Specification | NerdAxe |
|---|---|---|
| 251.0 TH/s | Hashrate | 500.0 GH/s |
| 5,522 W | Power Consumption | 12 W |
| 22.0 J/TH | Efficiency | 24.0 J/TH |
| 50 dB | Noise Level | 30 dB |
| 12.8 kg | Weight | 0.2 kg |
| 18,841 BTU/hr | BTU Output | 41 BTU/hr |
| 44/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S19e XP Hydro 251T
NerdAxe
Based on BTC price of $79,027 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S19e XP Hydro 251T wins on 3 of 6 factors (efficiency, hashrate, price-performance). Its biggest concrete edge: 50100% more hashrate (251.0 vs 0.5 TH/s). The NerdAxe holds the edge in power consumption and home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer S19e XP Hydro 251T and NerdAxe actually differ, with the gap quantified:
- Bitmain Antminer S19e XP Hydro 251T 50100% more hashrate (251.0 vs 0.5 TH/s)
- NerdAxe 100% better power draw (5,522.0 vs 12.0 W)
- Bitmain Antminer S19e XP Hydro 251T 8% better efficiency (22.0 vs 24.0 J/TH)
- NerdAxe 40% better noise (50.0 vs 30.0 dB)
- NerdAxe 98% better weight (12.8 vs 0.2 kg)
- Bitmain Antminer S19e XP Hydro 251T 45966% more heat output (18,841.1 vs 40.9 BTU/hr)
- NerdAxe 59% more home mining score (44.0 vs 70.0)
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 | NerdAxe |
|---|---|---|
| $816 | Upfront cost (MSRP) | $69 |
| -$4.12 | Daily net profit | -$0.01 |
| -$2,322 | Net after 1 year | -$73 |
| -$3,827 | Net after 2 years | -$77 |
| -$5,333 | Net after 3 years | -$81 |
| 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
TieBoth miners produce similar daily profit.
Best for Home Mining
NerdAxeScore: 70/100. 30 dB noise level.
Best for Efficiency
Bitmain Antminer S19e XP Hydro 251T22.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S19e XP Hydro 251T or the NerdAxe?
At the current BTC price and a $0.10/kWh electricity rate, the NerdAxe is more profitable at $-0.01/day compared to $-4.12/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.
Is the Bitmain Antminer S19e XP Hydro 251T or the NerdAxe better for noise-sensitive spaces?
The NerdAxe is quieter at 30 dB compared to the Bitmain Antminer S19e XP Hydro 251T at 50 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S19e XP Hydro 251T vs NerdAxe: which fits a residential setup better?
The NerdAxe scores 70/100 on our Home Mining Score (vs 44/100 for the Bitmain Antminer S19e XP Hydro 251T). 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 S19e XP Hydro 251T and NerdAxe?
The Bitmain Antminer S19e XP Hydro 251T runs at 22.0 J/TH while the NerdAxe runs at 24.0 J/TH — a difference of 2.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 8% better efficiency (22.0 vs 24.0 J/TH).
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