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Thewindminer K9

Thewindminer K9

Hashrate 10.3 TH/s Power 3,300 W Efficiency 320.4 J/TH
VS
Iceriver KS5L

Iceriver KS5L

Hashrate 12.0 TH/s Power 3,400 W Efficiency 283.3 J/TH

Thewindminer K9 vs Iceriver KS5L

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Thewindminer K9 Specification Iceriver KS5L
10.3 TH/s Hashrate 12.0 TH/s
3,300 W Power Consumption 3,400 W
320.4 J/TH Efficiency 283.3 J/TH
Noise Level 75 dB
14.8 kg Weight 15.0 kg
11,260 BTU/hr BTU Output 11,601 BTU/hr
22/100 Home Mining Score 36/100
Release Year
KHeavyHash Algorithm KHeavyHash
Thewindminer Manufacturer IceRiver

Profitability Comparison

$/kWh

Thewindminer K9

Daily Revenue 0.00000474 BTC $0.37
Daily Electricity -$7.92
Daily Profit -$7.55
Monthly -$226.48
Yearly -$2,755.45

Iceriver KS5L

Daily Revenue 0.00000552 BTC $0.43
Daily Electricity -$8.16
Daily Profit -$7.73
Monthly -$231.84
Yearly -$2,820.71

Based on BTC price of $78,234 and current network difficulty as of May 16, 2026. Actual results vary.

Verdict

Our scoring model gives the nod to the Iceriver KS5L, which leads on 5 of 6 weighted factors (efficiency, hashrate, home mining score, noise level, price-performance). Where it pulls away hardest is 17% more hashrate (10.3 vs 12.0 TH/s). The Thewindminer K9 claws back ground on power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.

Winner: Iceriver KS5L — wins on 5 of 6 factors

Spec Deltas

Stripped to the numbers, this is how far apart the Thewindminer K9 and Iceriver KS5L sit on each measurable spec:

  • Iceriver KS5L 17% more hashrate (10.3 vs 12.0 TH/s)
  • Thewindminer K9 3% better power draw (3,300 vs 3,400 W)
  • Iceriver KS5L 12% better efficiency (320 vs 283 J/TH)
  • Thewindminer K9 1% better weight (14.8 vs 15.0 kg)
  • Iceriver KS5L 3% more heat output (11,260 vs 11,601 BTU/hr)
  • Iceriver KS5L 64% more home mining score (22.0 vs 36.0)

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.

Thewindminer K9 Metric Iceriver KS5L
$15,429 Upfront cost (MSRP) $400
-$7.55 Daily net profit -$7.73
-$18,185 Net after 1 year -$3,221
-$20,940 Net after 2 years -$6,041
-$23,696 Net after 3 years -$8,862
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

Tie

Both miners produce similar daily profit.

Best for Home Mining

Iceriver KS5L

Score: 36/100. 75 dB noise level.

Best for Efficiency

Iceriver KS5L

283.3 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Thewindminer K9 vs Iceriver KS5L: which one earns more per day?

At the current BTC price and a $0.10/kWh electricity rate, the Thewindminer K9 is more profitable at $-7.55/day compared to $-7.73/day for the Iceriver KS5L. 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 KS5L?

The Iceriver KS5L 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.

Which is better for home mining, the Thewindminer K9 or Iceriver KS5L?

The Iceriver KS5L scores 36/100 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.

Thewindminer K9 vs Iceriver KS5L: how much does the efficiency gap matter?

The Thewindminer K9 runs at 320.4 J/TH while the Iceriver KS5L runs at 283.3 J/TH — a difference of 37.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 12% better efficiency (320 vs 283 J/TH).