IceRiver KS2 vs Thewindminer K9
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| IceRiver KS2 | Specification | Thewindminer K9 |
|---|---|---|
| 2.0 TH/s | Hashrate | 10.3 TH/s |
| 1,200 W | Power Consumption | 3,300 W |
| 600.0 J/TH | Efficiency | 320.4 J/TH |
| 65 dB | Noise Level | — |
| 15.0 kg | Weight | 14.8 kg |
| 4,094 BTU/hr | BTU Output | 11,260 BTU/hr |
| 52/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| IceRiver | Manufacturer | Thewindminer |
Profitability Comparison
IceRiver KS2
Thewindminer K9
Based on BTC price of $78,234 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Thewindminer K9 edges it: 3 of 6 factors go its way (efficiency, hashrate, price-performance). Where it pulls away hardest is 415% more hashrate (2.0 vs 10.3 TH/s). That said, the IceRiver KS2 isn't beaten everywhere — it still wins power consumption and home mining score and noise level. 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 IceRiver KS2 and Thewindminer K9 actually differ, with the gap quantified:
- Thewindminer K9 415% more hashrate (2.0 vs 10.3 TH/s)
- IceRiver KS2 64% better power draw (1,200 vs 3,300 W)
- Thewindminer K9 47% better efficiency (600 vs 320 J/TH)
- Thewindminer K9 1% better weight (15.0 vs 14.8 kg)
- Thewindminer K9 175% more heat output (4,094 vs 11,260 BTU/hr)
- IceRiver KS2 136% more home mining score (52.0 vs 22.0)
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.
| IceRiver KS2 | Metric | Thewindminer K9 |
|---|---|---|
| $5,000 | Upfront cost (MSRP) | $15,429 |
| -$2.81 | Daily net profit | -$7.55 |
| -$6,025 | Net after 1 year | -$18,185 |
| -$7,050 | Net after 2 years | -$20,940 |
| -$8,075 | Net after 3 years | -$23,696 |
| 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: 52/100. 65 dB noise level.
Best for Efficiency
Thewindminer K9320.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the IceRiver KS2 or the Thewindminer K9?
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.
IceRiver KS2 vs Thewindminer K9: which runs at a lower noise level?
The IceRiver KS2 is quieter at 65 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 IceRiver KS2 or the Thewindminer K9?
The IceRiver KS2 scores 52/100 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.
IceRiver KS2 vs Thewindminer K9: how much does the efficiency gap matter?
The IceRiver KS2 runs at 600.0 J/TH while the Thewindminer K9 runs at 320.4 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 (600 vs 320 J/TH).