Bitmain KAS KS7 vs Iceriver KS3M
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain KAS KS7 | Specification | Iceriver KS3M |
|---|---|---|
| 40.0 TH/s | Hashrate | 6.0 TH/s |
| 3,080 W | Power Consumption | 3,400 W |
| 77.0 J/TH | Efficiency | 566.7 J/TH |
| 75 dB | Noise Level | 75 dB |
| 16.4 kg | Weight | 17.1 kg |
| 10,509 BTU/hr | BTU Output | 11,601 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | IceRiver |
Profitability Comparison
Bitmain KAS KS7
Iceriver KS3M
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 Bitmain KAS KS7 edges it: 4 of 4 factors go its way (efficiency, hashrate, power consumption, price-performance). The standout gap is 86% better efficiency (77.0 vs 566.7 J/TH) in the Bitmain KAS KS7's favour. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain KAS KS7 and Iceriver KS3M sit on each measurable spec:
- Bitmain KAS KS7 567% more hashrate (40.0 vs 6.0 TH/s)
- Bitmain KAS KS7 9% better power draw (3,080 vs 3,400 W)
- Bitmain KAS KS7 86% better efficiency (77.0 vs 566.7 J/TH)
- Bitmain KAS KS7 4% better weight (16.4 vs 17.1 kg)
- Iceriver KS3M 10% more heat output (10,509 vs 11,601 BTU/hr)
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 KAS KS7 | Metric | Iceriver KS3M |
|---|---|---|
| $1,590 | Upfront cost (MSRP) | $320 |
| -$5.95 | Daily net profit | -$7.94 |
| -$3,762 | Net after 1 year | -$3,220 |
| -$5,935 | Net after 2 years | -$6,119 |
| -$8,107 | Net after 3 years | -$9,019 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain KAS KS777.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain KAS KS7 or Iceriver KS3M more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain KAS KS7 is more profitable at $-5.95/day compared to $-7.94/day for the Iceriver KS3M. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain KAS KS7 or the Iceriver KS3M better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain KAS KS7 or Iceriver KS3M?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Bitmain KAS KS7 and Iceriver KS3M on J/TH?
The Bitmain KAS KS7 runs at 77.0 J/TH while the Iceriver KS3M runs at 566.7 J/TH — a difference of 489.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 86% better efficiency (77.0 vs 566.7 J/TH).