Antminer D9 vs Bitmain Antminer KS3 (8.3Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer KS3 (8.3Th) |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 8.3 TH/s |
| 2,839 W | Power Consumption | 3,188 W |
| 1,604.0 J/TH | Efficiency | 384.1 J/TH |
| 75 dB | Noise Level | — |
| 16.1 kg | Weight | — |
| 9,687 BTU/hr | BTU Output | 10,878 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| X11 | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer KS3 (8.3Th)
Based on BTC price of $78,139 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer KS3 (8.3Th) comes out ahead — it takes 3 of 6 (efficiency, hashrate, price-performance). Its biggest concrete edge: 369% more hashrate (1.8 vs 8.3 TH/s). The Antminer D9 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
The Antminer D9 and Bitmain Antminer KS3 (8.3Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer KS3 (8.3Th) 369% more hashrate (1.8 vs 8.3 TH/s)
- Antminer D9 11% better power draw (2,839 vs 3,188 W)
- Bitmain Antminer KS3 (8.3Th) 76% better efficiency (1,604 vs 384 J/TH)
- Bitmain Antminer KS3 (8.3Th) 12% more heat output (9,687 vs 10,878 BTU/hr)
- Antminer D9 64% more home mining score (36.0 vs 22.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Antminer D9 | Metric | Bitmain Antminer KS3 (8.3Th) |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | $3,850 |
| -$6.75 | Daily net profit | -$7.35 |
| -$5,464 | Net after 1 year | -$6,534 |
| -$7,927 | Net after 2 years | -$9,218 |
| -$10,391 | Net after 3 years | -$11,901 |
| 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
Antminer D9Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer KS3 (8.3Th)384.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Bitmain Antminer KS3 (8.3Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer D9 is more profitable at $-6.75/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 Antminer D9 or Bitmain Antminer KS3 (8.3Th)?
The Antminer D9 is quieter at 75 dB compared to the Bitmain Antminer KS3 (8.3Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer D9 or the Bitmain Antminer KS3 (8.3Th)?
The Antminer D9 scores 36/100 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.
What is the efficiency difference between Antminer D9 and Bitmain Antminer KS3 (8.3Th)?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer KS3 (8.3Th) runs at 384.1 J/TH — a difference of 1,219.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 76% better efficiency (1,604 vs 384 J/TH).