Bitmain Antminer KS3 (8.3Th) vs Goldshell KD-BOX Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS3 (8.3Th) | Specification | Goldshell KD-BOX Pro |
|---|---|---|
| 8.3 TH/s | Hashrate | 2.6 TH/s |
| 3,188 W | Power Consumption | 75 W |
| 384.1 J/TH | Efficiency | 28.9 J/TH |
| — | Noise Level | 35 dB |
| — | Weight | 1.1 kg |
| 10,878 BTU/hr | BTU Output | 256 BTU/hr |
| 22/100 | Home Mining Score | 71/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Goldshell |
Profitability Comparison
Bitmain Antminer KS3 (8.3Th)
Goldshell KD-BOX Pro
Based on BTC price of $78,183 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Goldshell KD-BOX Pro wins on 5 of 6 factors (efficiency, power consumption, home mining score, noise level, price-performance). The standout gap is 98% better power draw (3,188.0 vs 75.0 W) in the Goldshell KD-BOX Pro's favour. The Bitmain Antminer KS3 (8.3Th) holds the edge in hashrate. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer KS3 (8.3Th) and Goldshell KD-BOX Pro actually differ, with the gap quantified:
- Bitmain Antminer KS3 (8.3Th) 219% more hashrate (8.3 vs 2.6 TH/s)
- Goldshell KD-BOX Pro 98% better power draw (3,188.0 vs 75.0 W)
- Goldshell KD-BOX Pro 92% better efficiency (384.1 vs 28.9 J/TH)
- Bitmain Antminer KS3 (8.3Th) 4151% more heat output (10,878 vs 256 BTU/hr)
- Goldshell KD-BOX Pro 223% more home mining score (22.0 vs 71.0)
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.
| Bitmain Antminer KS3 (8.3Th) | Metric | Goldshell KD-BOX Pro |
|---|---|---|
| $3,850 | Upfront cost (MSRP) | $699 |
| -$7.35 | Daily net profit | -$0.09 |
| -$6,534 | Net after 1 year | -$731 |
| -$9,217 | Net after 2 years | -$762 |
| -$11,901 | Net after 3 years | -$794 |
| 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 KD-BOX ProScore: 71/100. 35 dB noise level.
Best for Efficiency
Goldshell KD-BOX Pro28.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer KS3 (8.3Th) or Goldshell KD-BOX Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Goldshell KD-BOX Pro is more profitable at $-0.09/day compared to $-7.35/day for the Bitmain Antminer KS3 (8.3Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer KS3 (8.3Th) or Goldshell KD-BOX Pro?
The Goldshell KD-BOX Pro is quieter at 35 dB compared to the Bitmain Antminer KS3 (8.3Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer KS3 (8.3Th) vs Goldshell KD-BOX Pro: which fits a residential setup better?
The Goldshell KD-BOX Pro scores 71/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer KS3 (8.3Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer KS3 (8.3Th) vs Goldshell KD-BOX Pro: how much does the efficiency gap matter?
The Bitmain Antminer KS3 (8.3Th) runs at 384.1 J/TH while the Goldshell KD-BOX Pro runs at 28.9 J/TH — a difference of 355.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 92% better efficiency (384.1 vs 28.9 J/TH).