Antminer K7 vs Bitmain Antminer S19j Pro (96Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Antminer S19j Pro (96Th) |
|---|---|---|
| 63.5 TH/s | Hashrate | 96.0 TH/s |
| 3,080 W | Power Consumption | 2,832 W |
| 48.5 J/TH | Efficiency | 29.5 J/TH |
| 75 dB | Noise Level | — |
| 14.0 kg | Weight | 14,200.0 kg |
| 10,509 BTU/hr | BTU Output | 9,663 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Antminer S19j Pro (96Th)
Based on BTC price of $79,065 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S19j Pro (96Th), which leads on 4 of 6 weighted factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 39% better efficiency (48.5 vs 29.5 J/TH) in the Bitmain Antminer S19j Pro (96Th)'s favour. The Antminer K7 claws back ground on 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 S19j Pro (96Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19j Pro (96Th) 51% more hashrate (63.5 vs 96.0 TH/s)
- Bitmain Antminer S19j Pro (96Th) 8% better power draw (3,080 vs 2,832 W)
- Bitmain Antminer S19j Pro (96Th) 39% better efficiency (48.5 vs 29.5 J/TH)
- Antminer K7 100% better weight (14.0 vs 14,200.0 kg)
- Antminer K7 9% more heat output (10,509 vs 9,663 BTU/hr)
- Antminer K7 64% more home mining score (36.0 vs 22.0)
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 K7 | Metric | Bitmain Antminer S19j Pro (96Th) |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $550 |
| -$5.08 | Daily net profit | -$3.30 |
| -$5,355 | Net after 1 year | -$1,756 |
| -$7,210 | Net after 2 years | -$2,962 |
| -$9,064 | Net after 3 years | -$4,168 |
| 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 S19j Pro (96Th)29.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer K7 or the Bitmain Antminer S19j Pro (96Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19j Pro (96Th) is more profitable at $-3.30/day compared to $-5.08/day for the Antminer K7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer K7 vs Bitmain Antminer S19j Pro (96Th): which runs at a lower noise level?
The Antminer K7 is quieter at 75 dB compared to the Bitmain Antminer S19j Pro (96Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer K7 or Bitmain Antminer S19j Pro (96Th)?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j Pro (96Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer K7 vs Bitmain Antminer S19j Pro (96Th): how much does the efficiency gap matter?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Antminer S19j Pro (96Th) 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).