Bitmain Antminer KA3 (166Th) vs Goldshell KD6-SE
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KA3 (166Th) | Specification | Goldshell KD6-SE |
|---|---|---|
| 166.0 TH/s | Hashrate | 25.3 TH/s |
| 3,154 W | Power Consumption | 2,300 W |
| 19.0 J/TH | Efficiency | 90.9 J/TH |
| — | Noise Level | — |
| 16,100.0 kg | Weight | 8,500.0 kg |
| 10,761 BTU/hr | BTU Output | 7,848 BTU/hr |
| 22/100 | Home Mining Score | 26/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| Bitmain | Manufacturer | Goldshell |
Profitability Comparison
Bitmain Antminer KA3 (166Th)
Goldshell KD6-SE
Based on BTC price of $78,257 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer KA3 (166Th) wins on 3 of 5 factors (efficiency, hashrate, price-performance). Where it pulls away hardest is 556% more hashrate (166.0 vs 25.3 TH/s). The Goldshell KD6-SE claws back ground on power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer KA3 (166Th) and Goldshell KD6-SE sit on each measurable spec:
- Bitmain Antminer KA3 (166Th) 556% more hashrate (166.0 vs 25.3 TH/s)
- Goldshell KD6-SE 27% better power draw (3,154 vs 2,300 W)
- Bitmain Antminer KA3 (166Th) 79% better efficiency (19.0 vs 90.9 J/TH)
- Goldshell KD6-SE 47% better weight (16,100 vs 8,500 kg)
- Bitmain Antminer KA3 (166Th) 37% more heat output (10,761 vs 7,848 BTU/hr)
- Goldshell KD6-SE 18% more home mining score (22.0 vs 26.0)
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 KA3 (166Th) | Metric | Goldshell KD6-SE |
|---|---|---|
| $1,399 | Upfront cost (MSRP) | $1,016 |
| -$1.59 | Daily net profit | -$4.61 |
| -$1,980 | Net after 1 year | -$2,698 |
| -$2,561 | Net after 2 years | -$4,380 |
| -$3,142 | Net after 3 years | -$6,063 |
| 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
Goldshell KD6-SEScore: 26/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer KA3 (166Th)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer KA3 (166Th) or Goldshell KD6-SE more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KA3 (166Th) is more profitable at $-1.59/day compared to $-4.61/day for the Goldshell KD6-SE. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer KA3 (166Th) vs Goldshell KD6-SE: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer KA3 (166Th) or Goldshell KD6-SE?
The Goldshell KD6-SE scores 26/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer KA3 (166Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer KA3 (166Th) vs Goldshell KD6-SE: how much does the efficiency gap matter?
The Bitmain Antminer KA3 (166Th) runs at 19.0 J/TH while the Goldshell KD6-SE runs at 90.9 J/TH — a difference of 71.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 79% better efficiency (19.0 vs 90.9 J/TH).