Bitmain Antminer S9 (12.5Th) vs Bitaxe Gamma
Side-by-side specs, profitability, and home mining comparison.
Quick verdict
For most buyers the Bitaxe Gamma is the stronger pick — it leads on 4 of 6 head-to-head factors. The Bitmain Antminer S9 (12.5Th) runs 12.5 TH/s at 98 J/TH; the Bitaxe Gamma runs 1,200.0 GH/s at 15 J/TH.
Specs verified against the D-Central Mining Bible \xc2\xb7 June 2026
Specifications Comparison
| Bitmain Antminer S9 (12.5Th) | Specification | Bitaxe Gamma |
|---|---|---|
| 12.5 TH/s | Taux de hachage | 1,200.0 GH/s |
| 1,225 W | Consommation électrique | 18 W |
| 98.0 J/TH | Efficiency | 15.0 J/TH |
| — | Niveau de bruit | 38 dB |
| 4.2 kg | Weight | 0.3 kg |
| 4,180 BTU/hr | BTU Output | 61 BTU/hr |
| 22/100 | Home Mining Score | 100/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitaxe |
Profitability Comparison
Bitmain Antminer S9 (12.5Th)
Bitaxe Gamma
Based on BTC price of $61,188 and current network difficulty as of Jun 25, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitaxe Gamma l'emporte sur 4 des 6 facteurs (efficacité, consommation électrique, score de minage domestique, niveau sonore). The standout gap is 99% better power draw (1,225.0 vs 18.0 W) in the Bitaxe Gamma's favour. The Bitmain Antminer S9 (12.5Th) holds the edge in hashrate and rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitmain Antminer S9 (12.5Th) and Bitaxe Gamma actually differ, with the gap quantified:
- Bitmain Antminer S9 (12.5Th) 942% more hashrate (12.5 vs 1.2 TH/s)
- Bitaxe Gamma 99% better power draw (1,225.0 vs 18.0 W)
- Bitaxe Gamma 85% better efficacité (98.0 vs 15.0 J/TH)
- Bitaxe Gamma 93% better weight (4.2 vs 0.3 kg)
- Bitmain Antminer S9 (12.5Th) 6707% more heat output (4,179.7 vs 61.4 BTU/hr)
- Bitaxe Gamma 355% more score de minage domestique (22.0 vs 100.0)
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 S9 (12.5Th) | Metric | Bitaxe Gamma |
|---|---|---|
| $65 | Upfront cost (MSRP) | $99 |
| -$2.56 | Daily net profit | -$0.01 |
| -$998 | Net after 1 year | -$101 |
| -$1,930 | Net after 2 years | -$104 |
| -$2,863 | Net after 3 years | -$106 |
| 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
Bitaxe GammaScore: 100/100. 38 dB noise level.
Best for Efficiency
Bitaxe Gamma15.0 J/TH — lower electricity cost per terahash.
Foire aux questions
Is the Bitmain Antminer S9 (12.5Th) or Bitaxe Gamma more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Gamma is more profitable at $-0.01/day compared to $-2.56/day for the Bitmain Antminer S9 (12.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S9 (12.5Th) or the Bitaxe Gamma better for noise-sensitive spaces?
The Bitaxe Gamma is quieter at 38 dB compared to the Bitmain Antminer S9 (12.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9 (12.5Th) or Bitaxe Gamma?
The Bitaxe Gamma scores 100/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S9 (12.5Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S9 (12.5Th) vs Bitaxe Gamma: how much does the efficiency gap matter?
The Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH while the Bitaxe Gamma runs at 15.0 J/TH — a difference of 83.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 85% better efficacité (98.0 vs 15.0 J/TH).