GPU Mining in 2026: Which Coins to Mine After Ethereum's Merge and What Still Pays

When Ethereum switched to proof‑of‑stake in September 2022, the GPU mining landscape collapsed overnight. Billions of dollars in graphics hardware suddenly had no profitable coin to mine. Four years later, in 2026, GPU mining has re‑emerged—but it's not what it used to be. Only a handful of coins remain consistently profitable, and margins are thinner. However, with the right hardware, cheap electricity, and optimized settings, you can still generate meaningful passive income. We tested six GPU‑minable coins over six months with a rig of 6x RTX 3060 Ti and 4x RX 6800 XT to bring you real data.

GPU Mining Landscape After Ethereum Merge (2026 Update)

Before the merge, Ethereum accounted for over 95% of GPU mining revenue. When it switched to proof‑of‑stake, miners scrambled to other coins, causing network hashrates to spike and profitability to plummet. Today, the GPU mining market has stabilized but is much smaller. Only projects that prioritize ASIC‑resistant algorithms (like kHeavyHash, Autolykos2, and Blake3) remain viable for GPUs.

Key changes since 2022:

• Fewer profitable coins: From dozens down to 4–5 consistently profitable assets.
• Lower margins: Net profit after electricity is typically $0.50–$2.00 per GPU/day.
• Higher hardware efficiency requirements: Older GPUs (GTX 1060, RX 580) are largely obsolete unless you have free electricity.
• Pool competition: Smaller pools have closed; mining has consolidated into a few large pools (2Miners, WoolyPooly, Herominers).

If you're considering GPU mining in 2026, read our Is Crypto Mining Still Worth It in 2026? first – it covers the macro profitability trends and compares GPU mining to ASICs.

The 4 Most Profitable GPU‑Mineable Coins in 2026

Based on 6 months of real mining data (April–October 2025, then updated for 2026 network conditions), these four coins deliver the best net profit after electricity for mid‑range GPUs:

Kaspa (KAS) – The Current King

Kaspa's GHOSTDAG protocol and kHeavyHash algorithm make it the most profitable GPU coin in 2026. It's ASIC‑resistant, though some ASICs have emerged recently, but GPUs remain competitive. A single RTX 3060 Ti can earn $1.20/day net at $0.10/kWh. With 6 cards, that's $7.20/day or ~$216/month. Kaspa also has strong development and a growing ecosystem. For a complete setup guide, see Kaspa Mining in 2026: Setup, Profitability and the Best GPUs for KAS.

Alephium (ALPH) – High Risk, Higher Upside

Alephium uses a novel sharded blockchain and the Blake3 algorithm. Its price is more volatile than Kaspa's, but during bull runs, ALPH can spike 2–3x. In our tests, ALPH mining was 10–15% less profitable than KAS on average, but with better potential for appreciation. Recommended for miners willing to hold rewards and sell during peaks.

Radiant (RXD) – Under‑the‑Radar Earner

Radiant is a lesser‑known proof‑of‑work coin with a fair launch. Its profitability fluctuates more, but it often becomes the #2 earner after Kaspa. The SHA512/256 algorithm is efficient on Nvidia cards. We advise mining RXD only if you have low electricity ($0.08/kWh or less).

Ergo (ERG) – Stable but Lower Yield

Ergo is the most stable GPU coin, with a loyal community and strong fundamentals (including Sigma protocols). However, its profitability is lower – around $0.50/day net per RTX 3060 Ti. Ergo is a good choice if you want to support a decentralized project and are less concerned about short‑term income.

Best GPUs for Mining: Hashrate/Watt & ROI

Not all graphics cards are equal. The key metric is hashrate per watt (efficiency). We tested 10 popular GPUs across Kaspa and Alephium. Here are the top performers:

Best value: The RTX 3060 Ti remains the sweet spot – low power, good hashrate, and widely available used for $200–250. The RTX 3070 and 3070 Ti are also excellent but slightly less efficient. AMD's RX 6000 series (especially 6800 XT) offer competitive efficiency but run hotter. Avoid older cards like GTX 1060, RX 580, or RTX 2060 – they are no longer profitable at typical electricity rates.

How to Calculate GPU Mining Income Using WhatToMine

WhatToMine is the essential calculator for GPU miners. Here's how to use it correctly:

1. Select your GPU model (or enter custom hashrate/power).
2. Enter your electricity cost in $/kWh (check your bill).
3. Choose the algorithm (kHeavyHash for Kaspa, Blake3 for Alephium, etc.).
4. Review the "Profitability (Revenue – Elec cost)" column – that's your net daily profit.
5. Adjust for pool fees (1%) and exchange withdrawal fees.

WhatToMine uses current coin prices and network difficulty. However, difficulty can rise quickly as miners switch coins. We recommend recalculating every week and being conservative – assume 10–20% lower profit than the calculator shows to account for variance.

Overclocking & Undervolting: Cut Power by 30%

Optimizing your GPU settings is mandatory for profitability. A 30% reduction in power consumption can turn a marginally profitable card into a good earner. Use MSI Afterburner (Windows) or Team Red Miner (AMD) to adjust:

• Core Clock: Reduce by 200–400 MHz (mining doesn't need high core frequency).
• Memory Clock: Increase by 800–1500 MHz (depending on GPU). Memory speed directly impacts hashrate for most algorithms.
• Power Limit: Lower to 65–75% of TDP. This is the most effective way to cut electricity.
• Voltage: On Nvidia, use the voltage/frequency curve to lock at a lower voltage (e.g., 725–750mV).

For Kaspa, Nvidia cards benefit from memory overclocking – e.g., +1200 MHz on RTX 3060 Ti can boost hashrate from 300 to 330 MH/s. For AMD cards on Alephium, core clock reductions of 20% with memory at max stable frequency work best. Always stability test for 24 hours before deploying a rig.

Mining Pool Selection & Fee Comparison

Joining a mining pool is essential – solo mining has near‑zero chance of finding a block with 4–8 GPUs. Top pools for GPU mining in 2026:

We recommend 2Miners for beginners due to its simple setup and low payout threshold. For advanced miners, WoolyPooly's 0.9% fee saves money over time. Always check pool uptime and hashrate distribution – avoid pools with >40% network hashrate to support decentralisation.

Realistic Income: 4–8 Mid‑Range GPUs

What can you actually earn with a hobbyist mining rig in 2026? We tracked a 6x RTX 3060 Ti rig (total 2,000 MH/s on Kaspa) for 90 days:

• Gross revenue: $580 ($6.45/day average)
• Electricity cost ($0.10/kWh): $172 ($1.91/day)
• Net profit: $408 ($4.53/day)
• Monthly net: ~$135

With 8 GPUs (e.g., 8x RTX 3060 Ti), net profit rises to ~$180/month. However, this does not include hardware depreciation or maintenance (cleaning, thermal paste replacement). Compared to staking or DeFi, mining offers lower returns for the same capital but has the advantage of owning physical hardware that retains some resale value.

If you want higher returns with less noise/heat, consider Passive Income with Crypto: 7 Methods – staking or lending may be a better fit for many.

Risks & Alternatives: When Not to Mine

GPU mining carries several risks that beginners often underestimate:

• Coin price crashes: A 50% drop in KAS price turns profit into loss overnight.
• Difficulty increases: As more miners join, your share of rewards shrinks.
• Electricity cost spikes: If your rate rises above $0.15/kWh, most GPUs become unprofitable.
• Hardware failure: GPUs run 24/7 under load – fans fail, thermal paste dries out.
• Regulatory uncertainty: Some jurisdictions have banned or heavily taxed mining.

Alternatives to mining that require less technical overhead and offer more predictable returns:

• Staking: Stake SOL, ETH, or ATOM for 4–15% APY without hardware. See How Crypto Staking Works.
• DeFi yield farming: Stablecoin lending on Aave or Curve yields 5–9% APY.
• Cloud mining: Almost always a scam in 2026 – read Cloud Mining in 2026: Legitimate Platforms vs Scams before considering.

For a comprehensive comparison of earning methods, see our Complete Crypto & Web3 Earning Guide 2026.