Antminer Loki Edition (S9) vs Block Proto Rig
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer Loki Edition (S9) | Specification | Block Proto Rig |
|---|---|---|
| 14.0 TH/s | Hashrate | 819.0 TH/s |
| 1,350 W | Power Consumption | 12,000 W |
| 96.4 J/TH | Efficiency | 14.7 J/TH |
| 55 dB | Noise Level | 80 dB |
| 6.0 kg | Weight | — |
| 4,606 BTU/hr | BTU Output | 40,944 BTU/hr |
| 59/100 | Home Mining Score | — |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| D-Central | Manufacturer | Block Inc |
Profitability Comparison
Antminer Loki Edition (S9)
Block Proto Rig
Based on BTC price of $77,795 and current network difficulty as of May 21, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Block Proto Rig edges it: 2 of 5 factors go its way (efficiency, hashrate). The standout gap is 5750% more hashrate (14.0 vs 819.0 TH/s) in the Block Proto Rig's favour. The Antminer Loki Edition (S9) 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.
Spec Deltas
The Antminer Loki Edition (S9) and Block Proto Rig diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Block Proto Rig 5750% more hashrate (14.0 vs 819.0 TH/s)
- Antminer Loki Edition (S9) 89% better power draw (1,350 vs 12,000 W)
- Block Proto Rig 85% better efficiency (96.4 vs 14.7 J/TH)
- Antminer Loki Edition (S9) 31% better noise (55.0 vs 80.0 dB)
- Block Proto Rig 789% more heat output (4,606 vs 40,944 BTU/hr)
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 Loki Edition (S9) | Metric | Block Proto Rig |
|---|---|---|
| $349 | Upfront cost (MSRP) | — |
| -$2.74 | Daily net profit | $0.52 |
| -$1,349 | Net after 1 year | +$190 |
| -$2,348 | Net after 2 years | +$380 |
| -$3,348 | Net after 3 years | +$570 |
| 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
Block Proto Rig$3.26/day higher profit at current rates.
Best for Home Mining
Antminer Loki Edition (S9)Score: 59/100. 55 dB noise level.
Best for Efficiency
Block Proto Rig14.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer Loki Edition (S9) or Block Proto Rig more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Block Proto Rig is more profitable at $0.52/day compared to $-2.74/day for the Antminer Loki Edition (S9). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer Loki Edition (S9) or the Block Proto Rig better for noise-sensitive spaces?
The Antminer Loki Edition (S9) is quieter at 55 dB compared to the Block Proto Rig at 80 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer Loki Edition (S9) or Block Proto Rig?
The Antminer Loki Edition (S9) scores 59/100 on our Home Mining Score (vs 0/100 for the Block Proto Rig). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer Loki Edition (S9) vs Block Proto Rig: how much does the efficiency gap matter?
The Antminer Loki Edition (S9) runs at 96.4 J/TH while the Block Proto Rig runs at 14.7 J/TH — a difference of 81.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 85% better efficiency (96.4 vs 14.7 J/TH).