Bitmain Antminer S15 (28Th) vs Antminer S17
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S15 (28Th) | Specification | Antminer S17 |
|---|---|---|
| 28.0 TH/s | Hashrate | 56.0 TH/s |
| 1,596 W | Power Consumption | 2,520 W |
| 57.0 J/TH | Efficiency | 45.0 J/TH |
| — | Noise Level | 75 dB |
| 7,000.0 kg | Weight | 9.5 kg |
| 5,446 BTU/hr | BTU Output | 8,598 BTU/hr |
| 28/100 | Home Mining Score | 84/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S15 (28Th)
Antminer S17
Based on BTC price of $78,208 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
The S15 was Bitmain's first 7nm miner, while the S17 refined the formula with better performance. A comparison of early versus mature 7nm mining.
The S17 delivers better hashrate and efficiency from refined 7nm chip manufacturing. The S15 is a legacy device with limited relevance except at very low prices.
Spec Deltas
Here is every spec where the Bitmain Antminer S15 (28Th) and Antminer S17 actually differ, with the gap quantified:
- Antminer S17 100% more hashrate (28.0 vs 56.0 TH/s)
- Bitmain Antminer S15 (28Th) 37% better power draw (1,596 vs 2,520 W)
- Antminer S17 21% better efficiency (57.0 vs 45.0 J/TH)
- Antminer S17 100% better weight (7,000.0 vs 9.5 kg)
- Antminer S17 58% more heat output (5,446 vs 8,598 BTU/hr)
- Antminer S17 200% more home mining score (28.0 vs 84.0)
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 S15 (28Th) | Metric | Antminer S17 |
|---|---|---|
| $5,599 | Upfront cost (MSRP) | — |
| -$2.82 | Daily net profit | -$4.03 |
| -$6,629 | Net after 1 year | -$1,472 |
| -$7,660 | Net after 2 years | -$2,944 |
| -$8,690 | Net after 3 years | -$4,416 |
| 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
Antminer S17Score: 84/100. 75 dB noise level.
Best for Efficiency
Antminer S1745.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Are S15 parts still available?
D-Central maintains limited S15 parts inventory. Availability decreases as the model ages further from production.
Is either suitable for home mining?
Both are industrial machines requiring sound dampening for home use. Consider D-Central's Space Heater editions for a purpose-built home mining solution.