Bitmain Antminer KS5 Pro (21Th) vs Goldshell KD-BOX Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS5 Pro (21Th) | Specification | Goldshell KD-BOX Pro |
|---|---|---|
| 21.0 TH/s | Taux de hachage | 2.6 TH/s |
| 3,150 W | Consommation électrique | 75 W |
| 150.0 J/TH | Efficiency | 28.9 J/TH |
| 75 dB | Niveau de bruit | 35 dB |
| 15.8 kg | Weight | 1.1 kg |
| 10,748 BTU/hr | BTU Output | 256 BTU/hr |
| 36/100 | Home Mining Score | 71/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | KHeavyHash |
| Bitmain | Manufacturer | Goldshell |
Profitability Comparison
Bitmain Antminer KS5 Pro (21Th)
Goldshell KD-BOX Pro
Based on BTC price of $63,875 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Goldshell KD-BOX Pro, which leads on 4 of 6 weighted factors (efficacité, consommation électrique, score de minage domestique, niveau sonore). Where it pulls away hardest is 98% better power draw (3,150.0 vs 75.0 W). The Bitmain Antminer KS5 Pro (21Th) claws back ground on hashrate and rapport qualité-prix. 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 KS5 Pro (21Th) and Goldshell KD-BOX Pro actually differ, with the gap quantified:
- Bitmain Antminer KS5 Pro (21Th) 708% more hashrate (21.0 vs 2.6 TH/s)
- Goldshell KD-BOX Pro 98% better power draw (3,150.0 vs 75.0 W)
- Goldshell KD-BOX Pro 81% better efficacité (150.0 vs 28.9 J/TH)
- Goldshell KD-BOX Pro 53% better noise (75.0 vs 35.0 dB)
- Goldshell KD-BOX Pro 93% better weight (15.8 vs 1.1 kg)
- Bitmain Antminer KS5 Pro (21Th) 4100% more heat output (10,748 vs 256 BTU/hr)
- Goldshell KD-BOX Pro 97% more score de minage domestique (36.0 vs 71.0)
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 KS5 Pro (21Th) | Metric | Goldshell KD-BOX Pro |
|---|---|---|
| $860 | Upfront cost (MSRP) | $699 |
| -$6.95 | Daily net profit | -$0.10 |
| -$3,398 | Net after 1 year | -$737 |
| -$5,936 | Net after 2 years | -$776 |
| -$8,474 | Net after 3 years | -$814 |
| 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 KS5 Pro (21Th) 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 $-0.10/day compared to $-6.95/day for the Bitmain Antminer KS5 Pro (21Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer KS5 Pro (21Th) or the Goldshell KD-BOX Pro better for noise-sensitive spaces?
The Goldshell KD-BOX Pro is quieter at 35 dB compared to the Bitmain Antminer KS5 Pro (21Th) at 75 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer KS5 Pro (21Th) or the Goldshell KD-BOX Pro?
The Goldshell KD-BOX Pro scores 71/100 on our Home Mining Score (vs 36/100 for the Bitmain Antminer KS5 Pro (21Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer KS5 Pro (21Th) and Goldshell KD-BOX Pro on J/TH?
The Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH while the Goldshell KD-BOX Pro runs at 28.9 J/TH — a difference of 121.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 81% better efficacité (150.0 vs 28.9 J/TH).