Bitmain ANTMINER DR7 vs Halong Mining DragonMint B29
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain ANTMINER DR7 | Specification | Halong Mining DragonMint B29 |
|---|---|---|
| 127.0 TH/s | Hashrate | 2.1 TH/s |
| 2,730 W | Power Consumption | 900 W |
| 21.5 J/TH | Efficiency | 428.6 J/TH |
| 75 dB | Noise Level | — |
| 1.6 kg | Weight | 6,000.0 kg |
| 9,315 BTU/hr | BTU Output | 3,071 BTU/hr |
| 36/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Blake256r14 | Algorithm | Blake256r14 |
| Bitmain | Manufacturer | Halong Mining |
Profitability Comparison
Bitmain ANTMINER DR7
Halong Mining DragonMint B29
Based on BTC price of $77,929 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain ANTMINER DR7 edges it: 4 of 5 factors go its way (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 5948% more hashrate (127.0 vs 2.1 TH/s). That said, the Halong Mining DragonMint B29 isn't beaten everywhere — it still wins power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain ANTMINER DR7 and Halong Mining DragonMint B29 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain ANTMINER DR7 5948% more hashrate (127.0 vs 2.1 TH/s)
- Halong Mining DragonMint B29 67% better power draw (2,730 vs 900 W)
- Bitmain ANTMINER DR7 95% better efficiency (21.5 vs 428.6 J/TH)
- Bitmain ANTMINER DR7 100% better weight (1.6 vs 6,000.0 kg)
- Bitmain ANTMINER DR7 203% more heat output (9,315 vs 3,071 BTU/hr)
- Bitmain ANTMINER DR7 16% more home mining score (36.0 vs 31.0)
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.
| Bitmain ANTMINER DR7 | Metric | Halong Mining DragonMint B29 |
|---|---|---|
| $1,639 | Upfront cost (MSRP) | — |
| -$2.00 | Daily net profit | -$2.08 |
| -$2,368 | Net after 1 year | -$761 |
| -$3,097 | Net after 2 years | -$1,522 |
| -$3,826 | Net after 3 years | -$2,283 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Bitmain ANTMINER DR7Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain ANTMINER DR721.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain ANTMINER DR7 or Halong Mining DragonMint B29 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain ANTMINER DR7 is more profitable at $-2.00/day compared to $-2.08/day for the Halong Mining DragonMint B29. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain ANTMINER DR7 vs Halong Mining DragonMint B29: which runs at a lower noise level?
The Bitmain ANTMINER DR7 is quieter at 75 dB compared to the Halong Mining DragonMint B29 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain ANTMINER DR7 vs Halong Mining DragonMint B29: which fits a residential setup better?
The Bitmain ANTMINER DR7 scores 36/100 on our Home Mining Score (vs 31/100 for the Halong Mining DragonMint B29). 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 Bitmain ANTMINER DR7 and Halong Mining DragonMint B29?
The Bitmain ANTMINER DR7 runs at 21.5 J/TH while the Halong Mining DragonMint B29 runs at 428.6 J/TH — a difference of 407.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 95% better efficiency (21.5 vs 428.6 J/TH).
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