Bitmain Antminer Z15 Pro vs Bitmain Antminer Z9 Mini
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer Z15 Pro | Specification | Bitmain Antminer Z9 Mini |
|---|---|---|
| 840.0 Ksol/s | Hashrate | 10.0 Ksol/s |
| 2,780 W | Power Consumption | 300 W |
| 3.3 J/TH | Efficiency | 30.0 J/TH |
| — | Noise Level | — |
| 17.0 kg | Weight | — |
| 9,485 BTU/hr | BTU Output | 1,024 BTU/hr |
| 22/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Equihash | Algorithm | Equihash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer Z15 Pro
Bitmain Antminer Z9 Mini
Based on BTC price of $78,252 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer Z15 Pro, which leads on 3 of 5 weighted factors (efficiency, hashrate, price-performance). The standout gap is 8300% more hashrate (840.0 vs 10.0 TH/s) in the Bitmain Antminer Z15 Pro's favour. The Bitmain Antminer Z9 Mini holds the edge in power consumption and home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer Z15 Pro and Bitmain Antminer Z9 Mini diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer Z15 Pro 8300% more hashrate (840.0 vs 10.0 TH/s)
- Bitmain Antminer Z9 Mini 89% better power draw (2,780 vs 300 W)
- Bitmain Antminer Z15 Pro 89% better efficiency (3.3 vs 30.0 J/TH)
- Bitmain Antminer Z15 Pro 827% more heat output (9,485 vs 1,024 BTU/hr)
- Bitmain Antminer Z9 Mini 55% more home mining score (22.0 vs 34.0)
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 Z15 Pro | Metric | Bitmain Antminer Z9 Mini |
|---|---|---|
| $1,800 | Upfront cost (MSRP) | $150 |
| $23.58 | Daily net profit | -$0.36 |
| +$6,805 | Net after 1 year | -$281 |
| +$15,411 | Net after 2 years | -$413 |
| +$24,016 | Net after 3 years | -$544 |
| Pays for itself in ~76 days at current rates | 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
Bitmain Antminer Z15 Pro$23.94/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer Z9 MiniScore: 34/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer Z15 Pro3.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer Z15 Pro or Bitmain Antminer Z9 Mini more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer Z15 Pro is more profitable at $23.58/day compared to $-0.36/day for the Bitmain Antminer Z9 Mini. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer Z15 Pro vs Bitmain Antminer Z9 Mini: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer Z15 Pro vs Bitmain Antminer Z9 Mini: which fits a residential setup better?
The Bitmain Antminer Z9 Mini scores 34/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer Z15 Pro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer Z15 Pro vs Bitmain Antminer Z9 Mini: how much does the efficiency gap matter?
The Bitmain Antminer Z15 Pro runs at 3.3 J/TH while the Bitmain Antminer Z9 Mini runs at 30.0 J/TH — a difference of 26.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 89% better efficiency (3.3 vs 30.0 J/TH).