Bitmain Antminer Z9 vs Bitmain Antminer Z9 Mini
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer Z9 | Specification | Bitmain Antminer Z9 Mini |
|---|---|---|
| 42.0 Ksol/s | Hashrate | 10.0 Ksol/s |
| 970 W | Power Consumption | 300 W |
| 23.1 J/TH | Efficiency | 30.0 J/TH |
| — | Noise Level | — |
| 4,700.0 kg | Weight | — |
| 3,310 BTU/hr | BTU Output | 1,024 BTU/hr |
| 31/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Equihash | Algorithm | Equihash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer Z9
Bitmain Antminer Z9 Mini
Based on BTC price of $78,194 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer Z9 wins on 2 of 4 factors (efficiency, hashrate). Where it pulls away hardest is 320% more hashrate (42.0 vs 10.0 TH/s). 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
Here is every spec where the Bitmain Antminer Z9 and Bitmain Antminer Z9 Mini actually differ, with the gap quantified:
- Bitmain Antminer Z9 320% more hashrate (42.0 vs 10.0 TH/s)
- Bitmain Antminer Z9 Mini 69% better power draw (970 vs 300 W)
- Bitmain Antminer Z9 23% better efficiency (23.1 vs 30.0 J/TH)
- Bitmain Antminer Z9 223% more heat output (3,310 vs 1,024 BTU/hr)
- Bitmain Antminer Z9 Mini 10% more home mining score (31.0 vs 34.0)
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 Z9 | Metric | Bitmain Antminer Z9 Mini |
|---|---|---|
| — | Upfront cost (MSRP) | $150 |
| -$0.82 | Daily net profit | -$0.36 |
| -$298 | Net after 1 year | -$281 |
| -$596 | Net after 2 years | -$413 |
| -$894 | Net after 3 years | -$544 |
| — | 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
Bitmain Antminer Z9 MiniScore: 34/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer Z923.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer Z9 vs Bitmain Antminer Z9 Mini: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer Z9 Mini is more profitable at $-0.36/day compared to $-0.82/day for the Bitmain Antminer Z9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer Z9 or Bitmain Antminer Z9 Mini?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer Z9 or Bitmain Antminer Z9 Mini?
The Bitmain Antminer Z9 Mini scores 34/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer Z9). 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 Z9 and Bitmain Antminer Z9 Mini?
The Bitmain Antminer Z9 runs at 23.1 J/TH while the Bitmain Antminer Z9 Mini runs at 30.0 J/TH — a difference of 6.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 23% better efficiency (23.1 vs 30.0 J/TH).