Bitmain Antminer K7 (63.5Th) vs Goldshell CK6
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K7 (63.5Th) | Specification | Goldshell CK6 |
|---|---|---|
| 63.5 TH/s | Taux de hachage | 19.3 TH/s |
| 3,080 W | Consommation électrique | 3,300 W |
| 48.5 J/TH | Efficiency | 171.0 J/TH |
| — | Niveau de bruit | — |
| — | Weight | 8,500.0 kg |
| 10,509 BTU/hr | BTU Output | 11,260 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| Eaglesong | Algorithme | Eaglesong |
| Bitmain | Manufacturer | Goldshell |
Profitability Comparison
Bitmain Antminer K7 (63.5Th)
Goldshell CK6
Based on BTC price of $78,223 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer K7 (63.5Th) edges it: 4 of 4 factors go its way (efficacité, hashrate, consommation électrique, rapport qualité-prix). Where it pulls away hardest is 72% better efficacité (48.5 vs 171.0 J/TH). 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 K7 (63.5Th) and Goldshell CK6 actually differ, with the gap quantified:
- Bitmain Antminer K7 (63.5Th) 229% more hashrate (63.5 vs 19.3 TH/s)
- Bitmain Antminer K7 (63.5Th) 7% better power draw (3,080 vs 3,300 W)
- Bitmain Antminer K7 (63.5Th) 72% better efficacité (48.5 vs 171.0 J/TH)
- Goldshell CK6 7% more heat output (10,509 vs 11,260 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 Antminer K7 (63.5Th) | Metric | Goldshell CK6 |
|---|---|---|
| $1,860 | Upfront cost (MSRP) | $799 |
| -$5.11 | Daily net profit | -$7.23 |
| -$3,724 | Net after 1 year | -$3,436 |
| -$5,588 | Net after 2 years | -$6,073 |
| -$7,451 | Net after 3 years | -$8,711 |
| 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 K7 (63.5Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer K7 (63.5Th) or Goldshell CK6 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer K7 (63.5Th) is more profitable at $-5.11/day compared to $-7.23/day for the Goldshell CK6. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer K7 (63.5Th) or the Goldshell CK6 better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer K7 (63.5Th) vs Goldshell CK6: which fits a residential setup better?
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 Antminer K7 (63.5Th) and Goldshell CK6 on J/TH?
The Bitmain Antminer K7 (63.5Th) runs at 48.5 J/TH while the Goldshell CK6 runs at 171.0 J/TH — a difference of 122.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 72% better efficacité (48.5 vs 171.0 J/TH).