Bitmain Antminer S21 Pro
Bitmain's flagship SHA-256 ASIC: 234 TH/s at 15 J/TH efficiency. Review, specs, and 2026 Bitcoin min…
Full Review & Profitability →In-depth specs, efficiency comparisons, and live profitability links for the best ASIC and GPU mining hardware available in 2026. Updated quarterly.
Bitmain's flagship SHA-256 ASIC: 234 TH/s at 15 J/TH efficiency. Review, specs, and 2026 Bitcoin min…
Full Review & Profitability →The standard Antminer S21 delivers 200 TH/s SHA-256 at 17.5 J/TH. Full specs, profitability analysis…
Full Review & Profitability →MicroBT's Whatsminer M60S offers 186 TH/s SHA-256 at 18.5 J/TH. A proven, reliable alternative to Bi…
Full Review & Profitability →Antminer S19k Pro: 120 TH/s SHA-256 at 23 J/TH. A mid-range Bitcoin ASIC with lower entry cost than …
Full Review & Profitability →Canaan Avalon A1566: 185 TH/s SHA-256 at 18.5 J/TH. A reliable third option beyond Bitmain and Micro…
Full Review & Profitability →Bitmain's top Kaspa ASIC: 21 TH/s kHeavyHash at 3,150 W. Full specs, KAS mining profitability at cur…
Full Review & Profitability →IceRiver's KS5L delivers 20 TH/s kHeavyHash at 3,400 W. A competitive Kaspa ASIC alternative to Bitm…
Full Review & Profitability →Bitmain's first dedicated Kaspa ASIC: 9.4 TH/s kHeavyHash at 3,188 W. Now available at lower seconda…
Full Review & Profitability →Antminer Z15 Pro: 840 kSol/s Equihash at 2,650 W — the benchmark Zcash ASIC. Full ZEC mining specs, …
Full Review & Profitability →Bitmain's top Scrypt ASIC: 16 GH/s for simultaneous LTC + DOGE merge mining at 3,360 W. Full specs, …
Full Review & Profitability →NVIDIA RTX 4090: the most powerful GPU for crypto mining in 2026. KAWPOW, RandomX, Etchash, and Blak…
Full Review & Profitability →AMD RX 6800 XT: outstanding efficiency for GPU mining in 2026 — 39 MH/s KAWPOW at just 150 W. Best W…
Full Review & Profitability →NVIDIA RTX 3080 Ti: 48 MH/s KAWPOW at 290 W — strong mid-tier GPU mining in 2026. Multi-algorithm ha…
Full Review & Profitability →Bitmain's most efficient air-cooled SHA-256 ASIC: 270 TH/s at 12 J/TH. Full specs, 2026 Bitcoin mini…
Full Review & Profitability →Antminer S21 XP Hyd: 473 TH/s SHA-256 at 12 J/TH via liquid cooling. The highest hashrate single-uni…
Full Review & Profitability →MicroBT's most efficient air-cooled SHA-256 ASIC: 298 TH/s at 11.5 J/TH. Full specs, 2026 Bitcoin mi…
Full Review & Profitability →Bitmain Antminer KS7: 70 TH/s kHeavyHash Kaspa ASIC, released 2025. Major efficiency leap over the K…
Full Review & Profitability →IceRiver KS5 Pro: 25 TH/s kHeavyHash at 128 J/TH — IceRiver's most efficient Kaspa ASIC in 2026. Ful…
Full Review & Profitability →Side-by-side breakdowns of hashrate, power draw, efficiency, and profitability for every pair of miners that can mine the same coins.
Each hardware review on MiningReturns covers published manufacturer specifications, community-verified real-world hashrate figures, and efficiency benchmarks from independent sources. Approximate market prices are updated quarterly based on major reseller listings.
Every review links to our live mining calculators — so you can immediately test profitability for the exact hardware with your electricity rate and current network conditions. Calculator data refreshes every 10 minutes from Minerstat network feeds.
ASICs offer the highest hashrate and efficiency for a specific algorithm — ideal for serious operators mining BTC, KAS, ZEC, or LTC/DOGE at scale. They cannot switch algorithms.
GPUs offer flexibility across multiple algorithms, lower noise, and dual use for gaming. They suit home miners and those who want the option to switch coins when profitability shifts. See our full comparison: ASIC vs GPU Mining Guide →