Bitmain Antminer S21 Pro vs MicroBT Whatsminer M60S

Mining profitability comparison for Bitcoin (BTC), Bitcoin Cash (BCH)

★ Bitmain Antminer S21 Pro is more efficient for Bitcoin mining

Verdict: Bitmain Antminer S21 Pro vs MicroBT Whatsminer M60S

For Bitcoin mining, the Bitmain Antminer S21 Pro is the more efficient choice, delivering roughly 23% more hashrate per watt than the MicroBT Whatsminer M60S. The MicroBT Whatsminer M60S draws 69W less, cutting electricity costs by about $42/year at $0.07/kWh. Bottom line: if power efficiency is your priority, the Bitmain Antminer S21 Pro is the stronger pick — but confirm with your real electricity rate and current hardware prices below, since acquisition cost ultimately drives ROI.

Specifications

Spec Bitmain Antminer S21 Pro MicroBT Whatsminer M60S
Type ASIC ASIC
Algorithm
Hashrate (BTC) 234 TH/s 186 TH/s
Power Draw 3510 W 3441 W
Efficiency 15 J/TH 18.5 J/TH
Supported Coins BTC, BCH BTC, BCH
Release Year N/A N/A

Hashrate & Efficiency per Coin

Coin Bitmain Pro HR MicroBT M60S HR Power A Power B More Efficient
BTC 234 TH/s 186 TH/s 3510 W 3441 W S21 ✓
BCH 234 TH/s 186 TH/s 3510 W 3441 W S21 ✓

Daily Electricity Cost at Different Rates

Electricity cost only (not including coin revenue). Lower is better for any given rate.

Electricity Rate Bitmain Antminer S21 Pro MicroBT Whatsminer M60S Difference
$0.04/kWh $3.37 $3.30 +$0.07 (B cheaper)
$0.06/kWh $5.05 $4.96 +$0.10 (B cheaper)
$0.07/kWh $5.90 $5.78 +$0.12 (B cheaper)
$0.1/kWh $8.42 $8.26 +$0.17 (B cheaper)
$0.12/kWh $10.11 $9.91 +$0.20 (B cheaper)
$0.15/kWh $12.64 $12.39 +$0.25 (B cheaper)
$0.2/kWh $16.85 $16.52 +$0.33 (B cheaper)

Pros & Cons

Bitmain Antminer S21 Pro

  • Highest hashrate in Bitmain's S21 lineup (234 TH/s)
  • Best-in-class SHA-256 efficiency at 15 J/TH
  • Mature Bitmain firmware ecosystem with BOS+ support
  • High acquisition cost ($4,000–$5,000 new)
  • 3,510 W draw requires a dedicated 16 A / 220 V circuit
  • 75 dB noise — unsuitable for residential environments

MicroBT Whatsminer M60S

  • Lower cost-per-TH/s than comparable Bitmain S21 models
  • Proven reliability across large-scale mining deployments
  • Immersion-cooling compatible variant available (M60S+)
  • Less efficient than S21 Pro at 18.5 J/TH
  • Smaller firmware ecosystem than Antminer
  • Fewer authorised resellers outside Asia

Frequently Asked Questions

Is the Bitmain Antminer S21 Pro or MicroBT Whatsminer M60S more profitable for Bitcoin mining?

Based on hashrate-per-watt efficiency, the Bitmain Antminer S21 Pro is more efficient for Bitcoin mining. However, actual profitability depends on your electricity cost, hardware acquisition price, and coin price — use the live calculator for exact numbers.

What is the power consumption difference between the Bitmain Antminer S21 Pro and MicroBT Whatsminer M60S?

For Bitcoin mining, the Bitmain Antminer S21 Pro draws 3510 W while the MicroBT Whatsminer M60S draws 3441 W. The MicroBT Whatsminer M60S uses 69 W less power, which at $0.07/kWh saves ~$42 per year in electricity.

Can both the Bitmain Antminer S21 Pro and MicroBT Whatsminer M60S mine the same coins?

Yes — both units can mine Bitcoin (BTC) and Bitcoin Cash (BCH). You can switch between these coins with a simple pool configuration change.

Which unit has a better ROI?

ROI depends on hardware acquisition price, electricity cost, and coin price trajectory. The more efficient unit (better J/TH or hashrate per watt) will generally have a lower operating cost per coin mined, but the absolute ROI timeline is determined by the purchase price. Always model both units in the MiningReturns calculator with your specific electricity rate and current market prices.

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Calculate real profitability

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