Thewindminer K9 vs Iceriver KS2
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Thewindminer K9 | Specification | Iceriver KS2 |
|---|---|---|
| 10.3 TH/s | Hashrate | 2.0 TH/s |
| 3,300 W | Power Consumption | 1,200 W |
| 320.4 J/TH | Efficiency | 600.0 J/TH |
| — | Noise Level | 75 dB |
| 14.8 kg | Weight | 14.9 kg |
| 11,260 BTU/hr | BTU Output | 4,094 BTU/hr |
| 22/100 | Home Mining Score | 45/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Thewindminer | Manufacturer | IceRiver |
Profitability Comparison
Thewindminer K9
Iceriver KS2
Based on BTC price of $78,234 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Both the Thewindminer K9 and Iceriver KS2 are closely matched across our scoring factors, with neither holding a decisive advantage. Your choice should depend on your specific priorities — review the specs and profitability analysis above.
Spec Deltas
The Thewindminer K9 and Iceriver KS2 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Thewindminer K9 415% more hashrate (10.3 vs 2.0 TH/s)
- Iceriver KS2 64% better power draw (3,300 vs 1,200 W)
- Thewindminer K9 47% better efficiency (320 vs 600 J/TH)
- Thewindminer K9 1% better weight (14.8 vs 14.9 kg)
- Thewindminer K9 175% more heat output (11,260 vs 4,094 BTU/hr)
- Iceriver KS2 105% more home mining score (22.0 vs 45.0)
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.
| Thewindminer K9 | Metric | Iceriver KS2 |
|---|---|---|
| $15,429 | Upfront cost (MSRP) | $399 |
| -$7.55 | Daily net profit | -$2.81 |
| -$18,185 | Net after 1 year | -$1,424 |
| -$20,940 | Net after 2 years | -$2,449 |
| -$23,696 | Net after 3 years | -$3,474 |
| 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
Iceriver KS2Score: 45/100. 75 dB noise level.
Best for Efficiency
Thewindminer K9320.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Thewindminer K9 or Iceriver KS2 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Iceriver KS2 is more profitable at $-2.81/day compared to $-7.55/day for the Thewindminer K9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Thewindminer K9 or Iceriver KS2?
The Iceriver KS2 is quieter at 75 dB compared to the Thewindminer K9 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Thewindminer K9 or the Iceriver KS2?
The Iceriver KS2 scores 45/100 on our Home Mining Score (vs 22/100 for the Thewindminer K9). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Thewindminer K9 and Iceriver KS2 on J/TH?
The Thewindminer K9 runs at 320.4 J/TH while the Iceriver KS2 runs at 600.0 J/TH — a difference of 279.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 47% better efficiency (320 vs 600 J/TH).