Bitmain Antminer KA3 (166Th) vs Goldshell KD6
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KA3 (166Th) | Specification | Goldshell KD6 |
|---|---|---|
| 166.0 TH/s | Hashrate | 29.2 TH/s |
| 3,154 W | Power Consumption | 2,630 W |
| 19.0 J/TH | Efficiency | 90.1 J/TH |
| — | Noise Level | — |
| 16,100.0 kg | Weight | 8,500.0 kg |
| 10,761 BTU/hr | BTU Output | 8,974 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| Bitmain | Manufacturer | Goldshell |
Profitability Comparison
Bitmain Antminer KA3 (166Th)
Goldshell KD6
Based on BTC price of $78,257 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer KA3 (166Th), which leads on 3 of 4 weighted factors (efficiency, hashrate, price-performance). The standout gap is 468% more hashrate (166.0 vs 29.2 TH/s) in the Bitmain Antminer KA3 (166Th)'s favour. The Goldshell KD6 claws back ground on power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer KA3 (166Th) and Goldshell KD6 actually differ, with the gap quantified:
- Bitmain Antminer KA3 (166Th) 468% more hashrate (166.0 vs 29.2 TH/s)
- Goldshell KD6 17% better power draw (3,154 vs 2,630 W)
- Bitmain Antminer KA3 (166Th) 79% better efficiency (19.0 vs 90.1 J/TH)
- Goldshell KD6 47% better weight (16,100 vs 8,500 kg)
- Bitmain Antminer KA3 (166Th) 20% more heat output (10,761 vs 8,974 BTU/hr)
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.
| Bitmain Antminer KA3 (166Th) | Metric | Goldshell KD6 |
|---|---|---|
| $1,399 | Upfront cost (MSRP) | $1,027 |
| -$1.59 | Daily net profit | -$5.26 |
| -$1,980 | Net after 1 year | -$2,947 |
| -$2,561 | Net after 2 years | -$4,867 |
| -$3,142 | Net after 3 years | -$6,787 |
| 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 Antminer KA3 (166Th)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer KA3 (166Th) or the Goldshell KD6?
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 $-5.26/day for the Goldshell KD6. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer KA3 (166Th) vs Goldshell KD6: 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?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Bitmain Antminer KA3 (166Th) and Goldshell KD6?
The Bitmain Antminer KA3 (166Th) runs at 19.0 J/TH while the Goldshell KD6 runs at 90.1 J/TH — a difference of 71.1 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 90.1 J/TH).