Bitmain ANTMINER DR7 vs Antminer KS3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain ANTMINER DR7 | Specification | Antminer KS3 |
|---|---|---|
| 127.0 TH/s | Hashrate | 9.4 TH/s |
| 2,730 W | Power Consumption | 3,500 W |
| 21.5 J/TH | Efficiency | 372.3 J/TH |
| 75 dB | Noise Level | 75 dB |
| 1.6 kg | Weight | 16.1 kg |
| 9,315 BTU/hr | BTU Output | 11,942 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Blake256r14 | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain ANTMINER DR7
Antminer KS3
Based on BTC price of $78,139 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain ANTMINER DR7 wins on 4 of 4 factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 94% better efficiency (21.5 vs 372.3 J/TH) in the Bitmain ANTMINER DR7's favour. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain ANTMINER DR7 and Antminer KS3 sit on each measurable spec:
- Bitmain ANTMINER DR7 1251% more hashrate (127.0 vs 9.4 TH/s)
- Bitmain ANTMINER DR7 22% better power draw (2,730 vs 3,500 W)
- Bitmain ANTMINER DR7 94% better efficiency (21.5 vs 372.3 J/TH)
- Bitmain ANTMINER DR7 90% better weight (1.6 vs 16.1 kg)
- Antminer KS3 28% more heat output (9,315 vs 11,942 BTU/hr)
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 DR7 | Metric | Antminer KS3 |
|---|---|---|
| $1,639 | Upfront cost (MSRP) | $8,000 |
| -$1.99 | Daily net profit | -$8.06 |
| -$2,364 | Net after 1 year | -$10,943 |
| -$3,088 | Net after 2 years | -$13,885 |
| -$3,813 | Net after 3 years | -$16,828 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain ANTMINER DR721.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain ANTMINER DR7 vs Antminer KS3: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain ANTMINER DR7 is more profitable at $-1.99/day compared to $-8.06/day for the Antminer KS3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain ANTMINER DR7 or the Antminer KS3 better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain ANTMINER DR7 or Antminer KS3?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Bitmain ANTMINER DR7 and Antminer KS3?
The Bitmain ANTMINER DR7 runs at 21.5 J/TH while the Antminer KS3 runs at 372.3 J/TH — a difference of 350.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 94% better efficiency (21.5 vs 372.3 J/TH).