Antminer D7 vs Bitmain T21 (190TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Bitmain T21 (190TH) |
|---|---|---|
| 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 | 76 dB |
| 14.4 kg | Weight | 16.4 kg |
| 10,741 BTU/hr | BTU Output | 12,317 BTU/hr |
| 36/100 | Home Mining Score | 23/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Bitmain T21 (190TH)
Based on BTC price of $79,032 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain T21 (190TH) wins on 3 of 6 factors (efficiency, hashrate, price-performance). The standout gap is 14674% more hashrate (1.3 vs 190.0 TH/s) in the Bitmain T21 (190TH)'s favour. That said, the Antminer D7 isn't beaten everywhere — it still wins 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
Here is every spec where the Antminer D7 and Bitmain T21 (190TH) actually differ, with the gap quantified:
- Bitmain T21 (190TH) 14674% more hashrate (1.3 vs 190.0 TH/s)
- Antminer D7 13% better power draw (3,148 vs 3,610 W)
- Bitmain T21 (190TH) 99% better efficiency (2,447.9 vs 19.0 J/TH)
- Antminer D7 8% better noise (70.0 vs 76.0 dB)
- Antminer D7 12% better weight (14.4 vs 16.4 kg)
- Bitmain T21 (190TH) 15% more heat output (10,741 vs 12,317 BTU/hr)
- Antminer D7 57% more home mining score (36.0 vs 23.0)
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 D7 | Metric | Bitmain T21 (190TH) |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $1,700 |
| -$7.51 | Daily net profit | -$1.75 |
| -$5,241 | Net after 1 year | -$2,340 |
| -$7,981 | Net after 2 years | -$2,980 |
| -$10,722 | Net after 3 years | -$3,620 |
| 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 D7Score: 36/100. 70 dB noise level.
Best for Efficiency
Bitmain T21 (190TH)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer D7 vs Bitmain T21 (190TH): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain T21 (190TH) is more profitable at $-1.75/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.
Is the Antminer D7 or the Bitmain T21 (190TH) better for noise-sensitive spaces?
The Antminer D7 is quieter at 70 dB compared to the Bitmain T21 (190TH) at 76 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer D7 vs Bitmain T21 (190TH): which fits a residential setup better?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 23/100 for the Bitmain T21 (190TH)). 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 Bitmain T21 (190TH)?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain T21 (190TH) 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. In relative terms that is 99% better efficiency (2,447.9 vs 19.0 J/TH).