Goldshell CK Box II vs Bitmain CK6-SE
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Goldshell CK Box II | Specification | Bitmain CK6-SE |
|---|---|---|
| 2.1 TH/s | Hashrate | 17.0 TH/s |
| 400 W | Power Consumption | 3,300 W |
| 190.5 J/TH | Efficiency | 194.1 J/TH |
| — | Noise Level | 80 dB |
| 3.0 kg | Weight | 11.5 kg |
| 1,365 BTU/hr | BTU Output | 11,260 BTU/hr |
| 34/100 | Home Mining Score | 29/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Goldshell | Manufacturer | Bitmain |
Profitability Comparison
Goldshell CK Box II
Bitmain CK6-SE
Based on BTC price of $78,179 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Goldshell CK Box II, which leads on 3 of 5 weighted factors (efficiency, power consumption, home mining score). Where it pulls away hardest is 88% better power draw (400 vs 3,300 W). The Bitmain CK6-SE claws back ground on hashrate and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Goldshell CK Box II and Bitmain CK6-SE actually differ, with the gap quantified:
- Bitmain CK6-SE 710% more hashrate (2.1 vs 17.0 TH/s)
- Goldshell CK Box II 88% better power draw (400 vs 3,300 W)
- Goldshell CK Box II 2% better efficiency (190 vs 194 J/TH)
- Goldshell CK Box II 74% better weight (3.0 vs 11.5 kg)
- Bitmain CK6-SE 725% more heat output (1,365 vs 11,260 BTU/hr)
- Goldshell CK Box II 17% more home mining score (34.0 vs 29.0)
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.
| Goldshell CK Box II | Metric | Bitmain CK6-SE |
|---|---|---|
| $246 | Upfront cost (MSRP) | — |
| -$0.88 | Daily net profit | -$7.31 |
| -$569 | Net after 1 year | -$2,668 |
| -$892 | Net after 2 years | -$5,335 |
| -$1,214 | Net after 3 years | -$8,003 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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 CK Box IIScore: 34/100. 0 dB noise level.
Best for Efficiency
Goldshell CK Box II190.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Goldshell CK Box II or Bitmain CK6-SE more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Goldshell CK Box II is more profitable at $-0.88/day compared to $-7.31/day for the Bitmain CK6-SE. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Goldshell CK Box II vs Bitmain CK6-SE: which runs at a lower noise level?
The Bitmain CK6-SE is quieter at 80 dB compared to the Goldshell CK Box II at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Goldshell CK Box II or the Bitmain CK6-SE?
The Goldshell CK Box II scores 34/100 on our Home Mining Score (vs 29/100 for the Bitmain CK6-SE). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Goldshell CK Box II and Bitmain CK6-SE?
The Goldshell CK Box II runs at 190.5 J/TH while the Bitmain CK6-SE runs at 194.1 J/TH — a difference of 3.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 2% better efficiency (190 vs 194 J/TH).
