Goldshell E-KA1M vs Bitmain KAS KS7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Goldshell E-KA1M | Specification | Bitmain KAS KS7 |
|---|---|---|
| 5.5 TH/s | Hashrate | 40.0 TH/s |
| 1,800 W | Power Consumption | 3,080 W |
| 327.3 J/TH | Efficiency | 77.0 J/TH |
| 50 dB | Noise Level | 75 dB |
| — | Weight | 16.4 kg |
| 6,142 BTU/hr | BTU Output | 10,509 BTU/hr |
| 56/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Goldshell | Manufacturer | Bitmain |
Profitability Comparison
Goldshell E-KA1M
Bitmain KAS KS7
Based on BTC price of $77,929 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain KAS KS7, which leads on 3 of 6 weighted factors (efficiency, hashrate, price-performance). Where it pulls away hardest is 627% more hashrate (5.5 vs 40.0 TH/s). The Goldshell E-KA1M claws back ground on power consumption and home mining score 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 E-KA1M and Bitmain KAS KS7 actually differ, with the gap quantified:
- Bitmain KAS KS7 627% more hashrate (5.5 vs 40.0 TH/s)
- Goldshell E-KA1M 42% better power draw (1,800 vs 3,080 W)
- Bitmain KAS KS7 76% better efficiency (327.3 vs 77.0 J/TH)
- Goldshell E-KA1M 33% better noise (50.0 vs 75.0 dB)
- Bitmain KAS KS7 71% more heat output (6,142 vs 10,509 BTU/hr)
- Goldshell E-KA1M 56% more home mining score (56.0 vs 36.0)
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.
| Goldshell E-KA1M | Metric | Bitmain KAS KS7 |
|---|---|---|
| $910 | Upfront cost (MSRP) | $1,590 |
| -$4.12 | Daily net profit | -$5.96 |
| -$2,415 | Net after 1 year | -$3,765 |
| -$3,920 | Net after 2 years | -$5,939 |
| -$5,424 | Net after 3 years | -$8,114 |
| 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 E-KA1MScore: 56/100. 50 dB noise level.
Best for Efficiency
Bitmain KAS KS777.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Goldshell E-KA1M or the Bitmain KAS KS7?
At the current BTC price and a $0.10/kWh electricity rate, the Goldshell E-KA1M is more profitable at $-4.12/day compared to $-5.96/day for the Bitmain KAS KS7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Goldshell E-KA1M vs Bitmain KAS KS7: which runs at a lower noise level?
The Goldshell E-KA1M is quieter at 50 dB compared to the Bitmain KAS KS7 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Goldshell E-KA1M or Bitmain KAS KS7?
The Goldshell E-KA1M scores 56/100 on our Home Mining Score (vs 36/100 for the Bitmain KAS KS7). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Goldshell E-KA1M and Bitmain KAS KS7 on J/TH?
The Goldshell E-KA1M runs at 327.3 J/TH while the Bitmain KAS KS7 runs at 77.0 J/TH — a difference of 250.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 76% better efficiency (327.3 vs 77.0 J/TH).