Antminer KS3 vs Bitmain Antminer X3 (220Kh)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer X3 (220Kh) |
|---|---|---|
| 9.4 TH/s | Hashrate | 220.0 KH/s |
| 3,500 W | Power Consumption | 465 W |
| 372.3 J/TH | Efficiency | 2,113,636,363.6 J/TH |
| 75 dB | Noise Level | — |
| 16.1 kg | Weight | 5,500.0 kg |
| 11,942 BTU/hr | BTU Output | 1,587 BTU/hr |
| 36/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | Cryptonight |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer X3 (220Kh)
Based on BTC price of $76,908 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer KS3 wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The standout gap is 4272727173% more hashrate (9.4 vs 0.0 TH/s) in the Antminer KS3's favour. That said, the Bitmain Antminer X3 (220Kh) isn't beaten everywhere — it still wins power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Antminer KS3 and Bitmain Antminer X3 (220Kh) actually differ, with the gap quantified:
- Antminer KS3 4272727173% more hashrate (9.4 vs 0.0 TH/s)
- Bitmain Antminer X3 (220Kh) 87% better power draw (3,500 vs 465 W)
- Antminer KS3 100% better efficiency (372 vs 2,113,636,364 J/TH)
- Antminer KS3 100% better weight (16.1 vs 5,500.0 kg)
- Antminer KS3 653% more heat output (11,942 vs 1,587 BTU/hr)
- Antminer KS3 6% more home mining score (36.0 vs 34.0)
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.
| Antminer KS3 | Metric | Bitmain Antminer X3 (220Kh) |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | — |
| -$8.07 | Daily net profit | -$1.12 |
| -$10,945 | Net after 1 year | -$407 |
| -$13,889 | Net after 2 years | -$815 |
| -$16,834 | Net after 3 years | -$1,222 |
| 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
Antminer KS3Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer KS3372.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer KS3 vs Bitmain Antminer X3 (220Kh): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer X3 (220Kh) is more profitable at $-1.12/day compared to $-8.07/day for the Antminer KS3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer KS3 or Bitmain Antminer X3 (220Kh)?
The Antminer KS3 is quieter at 75 dB compared to the Bitmain Antminer X3 (220Kh) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer KS3 vs Bitmain Antminer X3 (220Kh): which fits a residential setup better?
The Antminer KS3 scores 36/100 on our Home Mining Score (vs 34/100 for the Bitmain Antminer X3 (220Kh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer KS3 and Bitmain Antminer X3 (220Kh) on J/TH?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer X3 (220Kh) runs at 2,113,636,363.6 J/TH — a difference of 2,113,635,991.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficiency (372 vs 2,113,636,364 J/TH).