Antminer D7 vs Bitmain Antminer KS5 Pro (21Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Bitmain Antminer KS5 Pro (21Th) |
|---|---|---|
| 1,286.0 GH/s | Hashrate | 21.0 TH/s |
| 3,148 W | Power Consumption | 3,150 W |
| 2,447.9 J/TH | Efficiency | 150.0 J/TH |
| 70 dB | Noise Level | 75 dB |
| 14.4 kg | Weight | 15.8 kg |
| 10,741 BTU/hr | BTU Output | 10,748 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| X11 | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Bitmain Antminer KS5 Pro (21Th)
Based on BTC price of $78,208 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer KS5 Pro (21Th), which leads on 3 of 5 weighted factors (efficiency, hashrate, price-performance). Where it pulls away hardest is 1533% more hashrate (1.3 vs 21.0 TH/s). The Antminer D7 claws back ground on power consumption and noise level. 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 Antminer D7 and Bitmain Antminer KS5 Pro (21Th) sit on each measurable spec:
- Bitmain Antminer KS5 Pro (21Th) 1533% more hashrate (1.3 vs 21.0 TH/s)
- Bitmain Antminer KS5 Pro (21Th) 94% better efficiency (2,448 vs 150 J/TH)
- Antminer D7 7% better noise (70.0 vs 75.0 dB)
- Antminer D7 9% better weight (14.4 vs 15.8 kg)
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.
| Antminer D7 | Metric | Bitmain Antminer KS5 Pro (21Th) |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $860 |
| -$7.51 | Daily net profit | -$6.80 |
| -$5,241 | Net after 1 year | -$3,344 |
| -$7,982 | Net after 2 years | -$5,827 |
| -$10,722 | Net after 3 years | -$8,311 |
| 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 KS5 Pro (21Th)150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D7 or Bitmain Antminer KS5 Pro (21Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KS5 Pro (21Th) is more profitable at $-6.80/day compared to $-7.51/day for the Antminer D7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer D7 or Bitmain Antminer KS5 Pro (21Th)?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer KS5 Pro (21Th) at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer D7 vs Bitmain Antminer KS5 Pro (21Th): which fits a residential setup better?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Antminer D7 and Bitmain Antminer KS5 Pro (21Th) on J/TH?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH — a difference of 2,297.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 94% better efficiency (2,448 vs 150 J/TH).