GeForce RTX 4090 on Zclassic — Mining Profit, Solo Odds & Cost of Production

110.00 H/s · EquihashZero · network 22.05 KH/s. A GeForce RTX 4090 solo mining Zclassic (ZCL) has about 2,089 blocks per year, i.e. an expected block roughly every 4.2 hours for the full 0.3900 ZCL reward.

GeForce RTX 4090 on Zclassic — Mining Truth Benchmark & Specifications

Consolidated PoW oracle metrics for operating a GeForce RTX 4090 on Zclassic (ZCL) at live network difficulty and benchmark industrial electricity (0.069 USD/kWh):

Can you solo mine Zclassic with a GeForce RTX 4090?

Yes — a GeForce RTX 4090 (110.00 H/s) can solo mine Zclassic (ZCL) via a solo pool. At Zclassic's 22.05 KH/s EquihashZero network that is about 2,089 blocks per year — expected one block roughly every 4.2 hours, for the full 0.3900 ZCL block. BackPoW computes this from live network difficulty using a Poisson block-discovery model. Realistically this is genuinely worth a patient solo run.

Hardware Tier & Ecosystem Ranking on Zclassic

The GeForce RTX 4090 is categorized in the Mid-Range Workhorse Tier (Middle quartile hashrate offering solid pool mining throughput with moderate solo variance.). Among all 2 tracked models on Zclassic, it ranks #1 in electrical efficiency (0.34 H/W) and #1 in raw hashrate (110.00 H/s).

Electricity Operating Costs & Breakeven

Running a GeForce RTX 4090 (320 W) pulls about 7.68 kWh per day (233.8 kWh per month). At the standard rate of 0.069 USD/kWh, electricity costs roughly 0.53 USD per day (16.13 USD/month or 194 USD/year). Statistically that year returns 2,089.43 blocks, worth about $742 — expected revenue covers the power bill about 3.8x over.

The operational breakeven threshold is 0.264 USD/kWh. Expected net operating margin at benchmark tariffs:

• At 0.040 USD/kWh (Hydro / Renewable): +1.72 USD / day
• At 0.069 USD/kWh (Standard Industrial): +1.50 USD / day
• At 0.120 USD/kWh (Residential Grid): +1.11 USD / day

Break-even Coin Price Target: For this hardware to break even on electricity, Zclassic must trade at or above 0.2375 USD at standard industrial power (0.069 USD/kWh), or 0.4131 USD at residential power (0.120 USD/kWh).

Bankroll & Variance Risk Simulator

Solo mining block discovery follows a memoryless Poisson distribution. While the average wait is 4.2 hours, real-world dispersion ranges across 5% and 50% quantiles:

• Lucky streak (5% Odds): Block within ~12.9 min (1-in-20 fastest discovery, power cost: ~0 USD)
• Median expectation (50% Odds): Block within ~2.9 hours (Nominal median, power cost: ~0 USD)
• Bad luck streak (5% Odds): Can stretch up to ~12.6 hours (1-in-20 extended dry spell, power cost: ~0 USD)

Jackpot Safe: Even in a 1-in-20 bad luck drought (~12.6 hours), the Zclassic block reward (0 USD) covers electricity costs (~0 USD) with a net surplus of ~0 USD.

GeForce RTX 4090 Price & Estimated ROI

Current market price: $2,150–$2,350 (estimated market price, median $2,250) (Hardware price estimated). Mined against its most profitable coin instead of solo, it would pay itself back in about 390 days.

How other hardware compares on Zclassic

Devices in the same hashrate class, solo mining Zclassic at today's difficulty:

How the odds have moved

Zclassic's network hashrate climbed 111% since 2026-09-08, from 10.47 KH/s to 22.05 KH/s — so the same rig is now 111% less likely to find a block.

Where to point a GeForce RTX 4090 at Zclassic

Solo mining still runs through a solo pool: it handles the block template and pays the full reward to whoever finds the block. BackPoW tracks 2 solo pools for Zclassic with their stratum endpoints, fees, and pool hashrates — see Zclassic solo mining pools:

• mining-dutch.nl (Fee: 1% · Hashrate: 1.60 KH/s)
• aikapool.com (Fee: 1%)

How the odds are calculated

Each hash is an independent attempt, so block discovery is memoryless and follows an exponential distribution. The average time to a block is T = network_hashrate ÷ your_hashrate × block_time. The chance of hitting at least one block within a period t is then given by the Poisson relation P = 1 − e^(−t/T) — the realistic probability, not a misleading linear one. For this pair: daily chance 99.67%, yearly chance 100.00%.

Frequently Asked Questions: GeForce RTX 4090 on Zclassic

Can you solo mine Zclassic with a GeForce RTX 4090?

Yes — a GeForce RTX 4090 (110.00 H/s) can solo mine Zclassic (ZCL) via a solo pool. At Zclassic's 22.05 KH/s EquihashZero network that is about 2,089 blocks per year — expected one block roughly every 4.2 hours, for the full 0.3900 ZCL block. BackPoW computes this from live network difficulty using a Poisson block-discovery model.

Is EquihashZero ASIC-resistant, and where does the GeForce RTX 4090 stand?

EquihashZero is an ASIC-resistant GPU algorithm relying on memory bandwidth. The GeForce RTX 4090 ranks #1 of 2 GPUs on Zclassic. It operates in the Mid-Range Tier (middle quartile), offering solid pool mining throughput with moderate solo variance.

What is the operating power cost and breakeven electricity rate for a GeForce RTX 4090 on Zclassic?

At 320 W, operating a GeForce RTX 4090 consumes 7.68 kWh/day (233.8 kWh/month). At standard electricity (0.069 USD/kWh), the power bill is 0.53 USD/day (16.13 USD/month). The operational breakeven threshold is 0.264 USD/kWh.

What happens if my GeForce RTX 4090 encounters a severe dry spell on Zclassic?

Block discovery is an independent Poisson process with no memory. In a 1-in-20 bad luck drought (5% worst luck), finding a block can stretch up to 12.6 hours, accumulating roughly 0 USD in power costs.

Alternative Mining Options for GeForce RTX 4090

Comparing solo odds, jackpot block value, and daily pool revenue across other coins minable with this rig: