Blog » Is GPU Mining Profitable in 2026?

Is GPU Mining Profitable in 2026?

Last updated August 2026 · 6 min read · By CoinCalculators Team

Yes — GPU mining is profitable in 2026 if your electricity costs under about $0.10/kWh and you're mining Kaspa or Ethereum Classic on a card from the RTX 30-series or newer. Above roughly $0.15/kWh, margins on most consumer GPUs shrink to near zero or go negative. The gap between those two numbers is entirely about your local power price, not the hardware you own.

Key takeaways

Why GPU mining profitability changed after 2022

Ethereum's September 2022 "Merge" to proof-of-stake ended GPU mining for the coin that most miners relied on. That single event removed the largest GPU-mineable market overnight and pushed miners toward two replacements: Kaspa, a blockDAG network using the KHeavyHash algorithm, and Ethereum Classic, which kept proof-of-work on the Etchash algorithm Ethereum used to run. Both remain GPU-mineable in 2026, and both are what most profitability discussions now come down to.

What actually determines your profit

Three numbers decide whether a GPU is profitable: your card's hash rate, its power draw, and your electricity price. Network difficulty and coin price move the target, but those two are outside your control — your hash-rate-to-watt ratio and your power bill are the levers you actually have.

The electricity threshold that matters

As a rough rule for 2026 network conditions: under about $0.08-$0.10/kWh, mid-to-high-end GPUs (RTX 3080 and above) mining Kaspa or ETC are typically profitable after power costs. Between $0.10-$0.15/kWh, profitability narrows and depends heavily on which specific card and coin. Above $0.15/kWh — a common residential rate in much of the US and EU — most consumer GPUs no longer clear a profit mining these coins, though it varies day to day with price and difficulty. Run your exact card and rate through the GPU mining calculator rather than relying on rules of thumb — network difficulty shifts weekly.

ASICs changed the Kaspa math

Kaspa's KHeavyHash algorithm was originally GPU-friendly, but purpose-built ASICs like the Antminer KS3 now dominate the network's total hash rate — an 8 Th/s ASIC produces roughly 5,000× the output of a single RTX 3080. That doesn't make GPU mining Kaspa worthless, but it does mean GPU miners are competing for a smaller share of block rewards than they were in 2023-2024. If you're deciding between hardware, compare a GPU vs ASIC profit at your own electricity rate before buying anything.

Common mistakes that wreck the math

FAQ

Is GPU mining still profitable in 2026?
Yes, for most miners under about $0.10/kWh mining Kaspa or Ethereum Classic on an RTX 30-series card or newer. Above roughly $0.15/kWh, margins get thin or negative.

What is the best coin for GPU mining in 2026?
Kaspa (KHeavyHash) and Ethereum Classic (Etchash) are the two most commonly profitable options, since ETH itself stopped being GPU-mineable after 2022.

How much electricity does a mining GPU use?
A high-end card like the RTX 4090 typically draws 300-450W while mining; a mid-range card like the RTX 3080 draws closer to 220-320W.

Do I need special hardware to start GPU mining?
No. Any gaming GPU with at least 8GB VRAM can mine — you don't need a dedicated rig to test profitability first.

Run the numbers on your own hardware: GPU Calculator · Kaspa Calculator · ETC Calculator · RTX 4090 Profitability · KHeavyHash Algorithm