With electricity costs fixed at $0.04 per kilowatt-hour, the latest generation of SHA256 Bitcoin miners demonstrates a clear hierarchy in profitability. High-performance hydro-cooled units dominate the efficiency rankings, while select air and immersion-cooled alternatives remain competitive in operational cost-effectiveness. This comprehensive analysis evaluates 26 modern mining rigs under standardized conditions, highlighting the critical balance between hash rate output and energy consumption. Leading models achieve superior returns through advanced chip architecture and optimized thermal management, setting new benchmarks for the industry. The findings provide valuable insights for mining operations prioritizing long-term sustainability and margin optimization in evolving market conditions.
