Antminer K7 vs Bitmain Antminer S19 Pro Hyd (177Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Antminer S19 Pro Hyd (177Th) |
|---|---|---|
| 63.5 TH/s | Hashrate | 177.0 TH/s |
| 3,080 W | Power Consumption | 5,221 W |
| 48.5 J/TH | Efficiency | 29.5 J/TH |
| 75 dB | Noise Level | — |
| 14.0 kg | Weight | 1,520.0 kg |
| 10,509 BTU/hr | BTU Output | 17,814 BTU/hr |
| 36/100 | Home Mining Score | 16/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Antminer S19 Pro Hyd (177Th)
Based on BTC price of $79,091 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S19 Pro Hyd (177Th), which leads on 3 of 6 weighted factors (efficiency, hashrate, price-performance). The standout gap is 179% more hashrate (63.5 vs 177.0 TH/s) in the Bitmain Antminer S19 Pro Hyd (177Th)'s favour. That said, the Antminer K7 isn't beaten everywhere — it still wins power consumption and home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Antminer K7 and Bitmain Antminer S19 Pro Hyd (177Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19 Pro Hyd (177Th) 179% more hashrate (63.5 vs 177.0 TH/s)
- Antminer K7 41% better power draw (3,080 vs 5,221 W)
- Bitmain Antminer S19 Pro Hyd (177Th) 39% better efficiency (48.5 vs 29.5 J/TH)
- Antminer K7 99% better weight (14.0 vs 1,520.0 kg)
- Bitmain Antminer S19 Pro Hyd (177Th) 70% more heat output (10,509 vs 17,814 BTU/hr)
- Antminer K7 125% more home mining score (36.0 vs 16.0)
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 K7 | Metric | Bitmain Antminer S19 Pro Hyd (177Th) |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $986 |
| -$5.08 | Daily net profit | -$6.09 |
| -$5,355 | Net after 1 year | -$3,208 |
| -$7,209 | Net after 2 years | -$5,430 |
| -$9,064 | Net after 3 years | -$7,653 |
| 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 K7Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S19 Pro Hyd (177Th)29.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Bitmain Antminer S19 Pro Hyd (177Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer K7 is more profitable at $-5.08/day compared to $-6.09/day for the Bitmain Antminer S19 Pro Hyd (177Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer K7 vs Bitmain Antminer S19 Pro Hyd (177Th): which runs at a lower noise level?
The Antminer K7 is quieter at 75 dB compared to the Bitmain Antminer S19 Pro Hyd (177Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer K7 or the Bitmain Antminer S19 Pro Hyd (177Th)?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S19 Pro Hyd (177Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer K7 and Bitmain Antminer S19 Pro Hyd (177Th) on J/TH?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Antminer S19 Pro Hyd (177Th) runs at 29.5 J/TH — a difference of 19.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 39% better efficiency (48.5 vs 29.5 J/TH).