ASIC vs. GPU: Which should you choose for mining in 2025? The complete comparison on Minent.fr
For several years, the miners ASIC And GPU coexist within the mining ecosystem. But by 2025, technological advancements and algorithm changes have profoundly altered their respective profitability. Should one invest in a dedicated ASIC or stay on a GPU configuration More flexible? Here's the complete comparison by Minent.fr.
⚙️ Reminder: what is the difference between ASIC and GPU?
- ASIC (Application-Specific Integrated Circuit) : machine designed for a single algorithm (e.g., SHA-256 for Bitcoin, Scrypt for Litecoin). Extreme performance, but single-use.
- GPU (graphics card) Versatile hardware, capable of mining several algorithms (Ethash, KawPow, Autolykos…). Less efficient individually, but flexible.
👉 In summary, theASIC is an industrial machine, the GPU is a more modular tool for enthusiasts or small farms.
📊 Technical Comparison 2025
| Criterion | ASIC (ex : Antminer S21+) | GPU (ex : RTX 4090 × 6) |
|---|---|---|
| Hashrate | 216 TH/s (SHA-256) | ≈ 900 MH/s (Ethash) |
| Consumption | ~3564 W | ~1600 W |
| Material cost | ≈ 5 000 € | ≈ 7 000 € (6 GPUs) |
| Energy efficiency | 16 J/TH | ≈ 1.8 J/MH |
| Poor algorithms | 1 (or 2 with special firmware) | 10 + |
| Maintenance | Weak | High (drivers, OS, heat) |
| Sound level | High (~75 dB) | Medium (~50 dB) |
Comparison based on 2025 data – average values according to model and firmware.
💰 Profitability: Unbeatable ASIC on Bitcoin
THE SHA-256 ASICs dominate Bitcoin mining thanks to their power and yield:
- Antminer S21+ : 216 TH/s, 16.2 J/TH, consumption 3.5 kW
- S21 Hydro : 358 TH/s, 15 J/TH
- S23 (2026) : 318 TH/s, ≈ 11 J/TH
Energy cost remains the decisive factor: at €0.08/kWh, a S21+ generates an average ROI of 10–12 months, compared to more than 24 months for an equivalent GPU farm.
🔀 Flexibility: GPU advantage
GPUs remain relevant for mining or testing new algorithms: Kaspa (KHeavyHash), Nexa (NexaPow), or Radiant (SHA512/256). Revenues are more variable, but versatility compensates: a GPU can be resold or repurposed for gaming or AI, whereas an ASIC is single-use.
🔧 Maintenance and reliability
- ASIC : 24-hour operation, low failure rate, limited maintenance (dust, PSU, fans).
- GPU : requires software monitoring (HiveOS, RaveOS), rigorous thermal management and frequent driver updates.
In a professional environment, ASICs have a clear advantage: less configuration and more stability.
🌡️ Cooling and noise
THE ASICs They are noisy (up to 80 dB) and require a powerful airflow or a hydro/immersion solution. GPU rigs are quieter and can be installed in semi-residential environments.
📈 ROI and resale
- ASIC : Rapid ROI if well chosen (S21+, S23), but more volatile resale value (linked to Bitcoin).
- GPU : Slower ROI but easier resale via the gaming or AI market.
🏁 Verdict Minent.fr
| Profile | Recommended choice | Reasons |
|---|---|---|
| Professional investor / firm | ASIC (S21+, S23) | Profitability, stability, simplicity |
| Individual / Tester | GPU Rig | Flexibility, multi-coin, easy resale |
| Electricity ≥ €0.15/kWh | GPU (Kaspa, Radiant…) | Adaptability to secondary markets |
🧠 Conclusion
In 2025, ASICs still dominate mining. Bitcoin (SHA-256) Thanks to their unbeatable energy efficiency, GPUs still play a role in alternative mining and experimentation. The choice depends on your budget, the price of electricity, and your objective. raw performance (ASIC) or versatility (GPU).
Minent.fr – your French reference for ASIC and GPU mining equipment, shipped from France with manufacturer's warranty.