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.
- Kaspa (KHeavyHash) and Ethereum Classic (Etchash) are the two GPU-mineable coins worth mining in 2026 — ETH itself stopped being mineable after its 2022 move to proof-of-stake.
- Electricity cost is the single biggest variable. Under $0.10/kWh, most RTX 30/40-series cards are profitable. Over $0.15/kWh, most aren't.
- ASIC miners have taken over Kaspa's network hash rate, so GPU miners are competing for a shrinking slice — but the math still works at low power cost.
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.
- Hash rate — an RTX 4090 mining Kaspa runs around 3.8 Gh/s; an RTX 3080 runs closer to 1.7 Gh/s.
- Power draw — the same RTX 4090 typically pulls 300-450W mining, depending on power-limit tuning; an RTX 3080 sits closer to 220-320W.
- Electricity price — this is the number that decides everything else. Two miners with identical hardware can have opposite profitability just from their power rate.
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
- Ignoring idle/overhead power — your PSU efficiency, motherboard, and fans all draw power beyond the GPU itself. Budget an extra 10-15% on top of the card's rated draw.
- Using spot-price snapshots instead of averages — a single good day doesn't make mining profitable long-term. Use a 24-hour difficulty average, which is what most calculators (including this one) default to.
- Forgetting hardware depreciation — a GPU that's profitable today on paper still has a resale value curve. Factor in that the card will be worth less in a year, not just today's electricity 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.