Bitmain Antminer K7 (63.5Th) vs Goldshell CK5
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K7 (63.5Th) | Specification | Goldshell CK5 |
|---|---|---|
| 63.5 TH/s | Hashrate | 12.0 TH/s |
| 3,080 W | Power Consumption | 2,400 W |
| 48.5 J/TH | Efficiency | 200.0 J/TH |
| — | Noise Level | — |
| — | Weight | 8,500.0 kg |
| 10,509 BTU/hr | BTU Output | 8,189 BTU/hr |
| 22/100 | Home Mining Score | 26/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Bitmain | Manufacturer | Goldshell |
Profitability Comparison
Bitmain Antminer K7 (63.5Th)
Goldshell CK5
Based on BTC price of $78,226 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer K7 (63.5Th) comes out ahead — it takes 3 of 5 (efficiency, hashrate, price-performance). The standout gap is 429% more hashrate (63.5 vs 12.0 TH/s) in the Bitmain Antminer K7 (63.5Th)'s favour. That said, the Goldshell CK5 isn't beaten everywhere — it still wins power consumption and home mining score. 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 Bitmain Antminer K7 (63.5Th) and Goldshell CK5 actually differ, with the gap quantified:
- Bitmain Antminer K7 (63.5Th) 429% more hashrate (63.5 vs 12.0 TH/s)
- Goldshell CK5 22% better power draw (3,080 vs 2,400 W)
- Bitmain Antminer K7 (63.5Th) 76% better efficiency (48.5 vs 200.0 J/TH)
- Bitmain Antminer K7 (63.5Th) 28% more heat output (10,509 vs 8,189 BTU/hr)
- Goldshell CK5 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 K7 (63.5Th) | Metric | Goldshell CK5 |
|---|---|---|
| $1,860 | Upfront cost (MSRP) | $998 |
| -$5.11 | Daily net profit | -$5.33 |
| -$3,724 | Net after 1 year | -$2,943 |
| -$5,587 | Net after 2 years | -$4,887 |
| -$7,451 | Net after 3 years | -$6,832 |
| 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 CK5Score: 26/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer K7 (63.5Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer K7 (63.5Th) or the Goldshell CK5?
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 $-5.33/day for the Goldshell CK5. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer K7 (63.5Th) vs Goldshell CK5: 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 K7 (63.5Th) or Goldshell CK5?
The Goldshell CK5 scores 26/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer K7 (63.5Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer K7 (63.5Th) vs Goldshell CK5: how much does the efficiency gap matter?
The Bitmain Antminer K7 (63.5Th) runs at 48.5 J/TH while the Goldshell CK5 runs at 200.0 J/TH — a difference of 151.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 76% better efficiency (48.5 vs 200.0 J/TH).