Bitmain's Antminer S21 series offers multiple options for Bitcoin and cryptocurrency mining, each with different hashrate, power consumption, and price characteristics. Choosing the right model depends on your budget and efficiency goals.
In this guide we analyze all currently available S21 models, comparing TH/s per euro, consumption and power, to help you make an informed decision.
🔹 S21 model comparison
| Model | Hashrate (TH/s) | Power consumption (W) | Price (€) | €/TH |
|---|---|---|---|---|
| S21 200T | 200 | 3.500 | 3.300 | 16,50 |
| S21 PRO 234T | 234 | 3.510 | 4.200 | 17,95 |
| S21 PRO 245T | 245 | 3.675 | 4.400 | 17,96 |
| S21+ 216T | 216 | 3.564 | 3.510 | 16,25 |
| S21+ 225T | 225 | 3.712 | 3.650 | 16,22 |
| S21+ 235T | 235 | 3.877 | 3.900 | 16,60 |
| S21 XP 270T | 270 | 3.645 | 6.000 | 22,22 |
Note: The “€/TH” column indicates how much you pay for each terahash of power. A lower value means best price/performance ratio.
⚡ Model Analysis
S21 200T
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Pros: Lower price, good entry-level option.
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Cons: Limited power compared to PRO or XP models.
S21 PRO 234T
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Pros: Good balance of power and consumption.
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Cons: Price per TH slightly higher.
S21 PRO 245T
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Pros: Higher power than 234T.
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Cons: Price per TH similar to 234T, lower investment efficiency.
S21+ 216T
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Pros: Best €/TH ratio within the series.
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Cons: Lower hashrate than PRO and XP models.
S21+ 225T
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Pros: Excellent balance between price and power.
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Cons: Slightly higher consumption than 216T.
S21+ 235T
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Pros: Superior power, still a good €/TH ratio.
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Cons: Price per TH starts to rise compared to 225T.
S21 XP 270T
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Pros: Maximum power of the series (270 TH/s).
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Cons: High initial investment, €/TH more expensive.
🧠 Conclusion and recommendations
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Best price/power ratio (€/TH): S21+ 225T or S21+ 216T
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Highest absolute power: S21 XP 270T
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Limited budget / entry: S21 200T
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Balance between power and quality PRO: S21 PRO 234T or 245T
