Most Profitable ASIC Miner 2025: Bitmain Antminer Review & Comparison

Miner News

October 30, 2025 On August 25, 2025

Most Profitable ASIC Miner 2025: Bitmain Antminer Review & Comparison

Table of Contents

Introduction
Antminer L11 Series: The Future of Litecoin & Dogecoin Mining
Antminer L9 Series: Dependable but Lower Returns
Antminer S21 Series: Power for Bitcoin Mining
Expanded S21 Lineup: S21+, S21 XP & S21 XP+
Side-by-Side Comparison
Which ASIC Miner Is Most Profitable in 2025?
Final Thoughts

Introduction

Choosing the most profitable ASIC miner in 2025 means balancing hashrate, energy efficiency, cooling strategy, and hardware cost. With tighter margins across both SHA-256 (Bitcoin) and Scrypt (Litecoin/Dogecoin), smart hardware selection is critical to long-term ROI.

Notes: Specs and availability may vary by batch. Always verify current pricing and power draw on the product page before purchase.

Antminer L11 Series: The Future of Litecoin & Dogecoin Mining

Bitmain’s L11 family targets Scrypt mining with strong performance for dual LTC/DOGE operations and competitive efficiency (J/GH). It’s an effective choice for teams running altcoin-focused farms or diversifying revenue alongside BTC.

L11 Models & Purchase Links

Antminer L11 20G (Air) — up to ~29 GH/s, ~3,680 W
View L11 20G
Antminer L11 HYD 6U 33G (Hydro) — 33 GH/s, ~5,676 W
View L11 HYD 6U

See All Scrypt Miners

Antminer L9 Series: Dependable but Lower Returns

The L9 remains a reliable Scrypt workhorse with a lower entry price than L11 Hydro. It suits miners with low-cost power who value simplicity over cutting-edge efficiency.

L9 Models & Purchase Links

Antminer L9 (16–17G) — ~16–17 GH/s, ~3,360–3,570 W
View L9 Series

Antminer S21 Series: Power for Bitcoin Mining

The S21 family offers multiple configurations and cooling approaches for SHA-256 Bitcoin mining. Air, immersion, and hydro options let you match the machine to your facility design and energy strategy.

S21 Models & Purchase Links

Antminer S21 Immersion (215–305T) — up to ~305 TH/s, ~3,440 W (immersion)
View S21 Immersion

See All Bitcoin Miners

Expanded S21 Lineup: S21+, S21 XP & S21 XP+

These S21-family variants provide different tradeoffs—efficiency-first builds, extreme hashrate density, and hydro performance. Choose the profile that fits your power price, cooling, and rack density goals.

S21+ (Air / Hydro)

Antminer S21+ 216/225/235T (Air) — up to 235 TH/s, ~3,564 W
View S21+ Air Buy S21+ Air
Antminer S21+ HYD 319/358/395T (Hydro) — up to ~395 TH/s, ~4,785 W
View S21+ Hydro Buy S21+ Hydro

S21 XP (Air / Immersion / Hydro)

Antminer S21 XP 270T (Air) — 270 TH/s, ~3,645 W
View S21 XP 270T Buy S21 XP 270T
Antminer S21 XP Immersion 300T — 300 TH/s, ~4,050 W
View S21 XP Immersion Buy S21 XP Immersion
Antminer S21 XP Hyd 473T — 473 TH/s, ~5,676 W
View S21 XP Hydro Buy S21 XP Hydro

S21 XP+ (Hydro)

Antminer S21 XP+ Hyd 500T — 500 TH/s, ~5,500 W
View S21 XP+ Hydro Buy S21 XP+ Hydro

Side-by-Side Comparison

Model	Algorithm	Hashrate	Power	Cooling
Antminer L11 20G	Scrypt (LTC/DOGE)	~29 GH/s	~3,680 W	Air
Antminer L11 HYD 6U 33G	Scrypt (LTC/DOGE)	33 GH/s	~5,676 W	Hydro
Antminer L9 (16–17G)	Scrypt (LTC/DOGE)	~16–17 GH/s	~3,360–3,570 W	Air
Antminer S21 Immersion (215–305T)	SHA-256 (BTC)	Up to ~305 TH/s	~3,440 W	Immersion
Antminer S21+ 216/225/235T (Air)	SHA-256 (BTC)	Up to 235 TH/s	~3,564 W	Air
Antminer S21+ HYD 319/358/395T	SHA-256 (BTC)	Up to ~395 TH/s	~4,785 W	Hydro
Antminer S21 XP 270T (Air)	SHA-256 (BTC)	270 TH/s	~3,645 W	Air
Antminer S21 XP Immersion 300T	SHA-256 (BTC)	300 TH/s	~4,050 W	Immersion
Antminer S21 XP Hyd 473T	SHA-256 (BTC)	473 TH/s	~5,676 W	Hydro
Antminer S21 XP+ Hyd 500T	SHA-256 (BTC)	500 TH/s	~5,500 W	Hydro

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Which ASIC Miner Is Most Profitable in 2025?

Litecoin/Dogecoin (Scrypt): L11 HYD 6U 33G for the best combination of throughput and competitive J/GH.
Entry-level Scrypt: L9 for lower CAPEX if you have inexpensive power.
Bitcoin efficiency at scale: S21+ (Air) or S21 XP (Air/Immersion) for strong J/TH and flexible deployments.
Maximum performance (Hydro): S21 XP Hyd 473T or S21 XP+ Hyd 500T for enterprise density and output.

Build Your Mining Stack Free ROI Consultation

Profitability varies with electricity price, uptime, pool fees, market conditions, and specific batch specs. Use a mining calculator with your local $/kWh before purchasing.

Final Thoughts

The “most profitable” miner depends on your site’s power rate, cooling approach, and budget. For Scrypt, the L11 Hydro is a standout choice; for Bitcoin, the S21 family lets you optimize for efficiency, density, or absolute hashrate with S21+, S21 XP, and XP+ variants.