Antminer D7 vs Antminer T21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Antminer T21 |
|---|---|---|
| 1,286.0 GH/s | Hashrate | 190.0 TH/s |
| 3,148 W | Power Consumption | 3,610 W |
| 2,447.9 J/TH | Efficiency | 19.0 J/TH |
| 70 dB | Noise Level | 75 dB |
| 14.4 kg | Weight | 14.6 kg |
| 10,741 BTU/hr | BTU Output | 12,317 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Antminer T21
Based on BTC price of $74,842 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer T21 wins on 3 of 6 factors (efficiency, hashrate, price-performance). The Antminer D7 holds the edge in 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.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer D7Score: 36/100. 70 dB noise level.
Best for Efficiency
Antminer T2119.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D7 or Antminer T21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer T21 is more profitable at $-2.50/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 Antminer T21?
The Antminer D7 is quieter at 70 dB compared to the Antminer T21 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer D7 or Antminer T21?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 30/100 for the Antminer T21). 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 D7 and Antminer T21?
The Antminer D7 runs at 2,447.9 J/TH while the Antminer T21 runs at 19.0 J/TH — a difference of 2,428.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.