Antminer S19k Pro vs Block Proto Rig
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19k Pro | Specification | Block Proto Rig |
|---|---|---|
| 120.0 TH/s | Hashrate | 819.0 TH/s |
| 2,760 W | Power Consumption | 12,000 W |
| 23.0 J/TH | Efficiency | 14.7 J/TH |
| 75 dB | Noise Level | 80 dB |
| 12.5 kg | Weight | — |
| 9,417 BTU/hr | BTU Output | 40,944 BTU/hr |
| 84/100 | Home Mining Score | — |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Block Inc |
Profitability Comparison
Antminer S19k Pro
Block Proto Rig
Based on BTC price of $79,066 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Block Proto Rig wins on 2 of 5 factors (efficiency, hashrate). Where it pulls away hardest is 583% more hashrate (120 vs 819 TH/s). The Antminer S19k Pro holds the edge in power consumption and home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S19k Pro and Block Proto Rig sit on each measurable spec:
- Block Proto Rig 583% more hashrate (120 vs 819 TH/s)
- Antminer S19k Pro 77% better power draw (2,760 vs 12,000 W)
- Block Proto Rig 36% better efficiency (23.0 vs 14.7 J/TH)
- Antminer S19k Pro 6% better noise (75.0 vs 80.0 dB)
- Block Proto Rig 335% more heat output (9,417 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 S19k Pro | Metric | Block Proto Rig |
|---|---|---|
| $2,800 | Upfront cost (MSRP) | — |
| -$2.26 | Daily net profit | $1.00 |
| -$3,624 | Net after 1 year | +$365 |
| -$4,448 | Net after 2 years | +$729 |
| -$5,272 | Net after 3 years | +$1,094 |
| 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 S19k ProScore: 84/100. 75 dB noise level.
Best for Efficiency
Block Proto Rig14.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S19k Pro or the Block Proto Rig?
At the current BTC price and a $0.10/kWh electricity rate, the Block Proto Rig is more profitable at $1.00/day compared to $-2.26/day for the Antminer S19k Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S19k Pro vs Block Proto Rig: which runs at a lower noise level?
The Antminer S19k Pro is quieter at 75 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 S19k Pro or Block Proto Rig?
The Antminer S19k Pro scores 84/100 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.
How far apart are the Antminer S19k Pro and Block Proto Rig on J/TH?
The Antminer S19k Pro runs at 23.0 J/TH while the Block Proto Rig runs at 14.7 J/TH — a difference of 8.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 36% better efficiency (23.0 vs 14.7 J/TH).