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

2.00 GH/s · kHeavyHash · network 345.35 PH/s. A GeForce RTX 4090 solo mining Kaspa (KAS) has about 2 blocks per year, i.e. an expected block roughly every 200 days for the full 2.0602 KAS reward.

GeForce RTX 4090 on Kaspa — Mining Truth Benchmark & Specifications

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

Can you solo mine Kaspa with a GeForce RTX 4090?

Yes — a GeForce RTX 4090 (2.00 GH/s) can solo mine Kaspa (KAS) via a solo pool. At Kaspa's 345.35 PH/s kHeavyHash network that is about 2 blocks per year — expected one block roughly every 200 days, for the full 2.0602 KAS 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 Kaspa

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 18 tracked models on Kaspa, it ranks #8 in electrical efficiency (8,318,333.33 H/W) and #8 in raw hashrate (2.00 GH/s).

Electricity Operating Costs & Breakeven

Running a GeForce RTX 4090 (240 W) pulls about 5.76 kWh per day (175.3 kWh per month). At the standard rate of 0.069 USD/kWh, electricity costs roughly 0.40 USD per day (12.10 USD/month or 145 USD/year). Statistically that year returns 1.82 blocks, worth about $0.14 — you would burn roughly 1,035x more in electricity than that reward is worth.

The operational breakeven threshold is 0.000 USD/kWh. Expected net operating margin at benchmark tariffs:

• At 0.040 USD/kWh (Hydro / Renewable): -0.23 USD / day
• At 0.069 USD/kWh (Standard Industrial): -0.40 USD / day
• At 0.120 USD/kWh (Residential Grid): -0.69 USD / day

Break-even Coin Price Target: For this hardware to break even on electricity, Kaspa must trade at or above 38.62 USD at standard industrial power (0.069 USD/kWh), or 67.17 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 200 days, real-world dispersion ranges across 5% and 50% quantiles:

• Lucky streak (5% Odds): Block within ~10 days (1-in-20 fastest discovery, power cost: ~4 USD)
• Median expectation (50% Odds): Block within ~139 days (Nominal median, power cost: ~55 USD)
• Bad luck streak (5% Odds): Can stretch up to ~1.64 yr (1-in-20 extended dry spell, power cost: ~238 USD)

High Variance Alert: In a 1-in-20 severe drought (~1.64 yr), cumulative electricity burned (~238 USD) will exceed the block reward value (0 USD). Pool mining is recommended for risk-averse operators.

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 227 days.

How other hardware compares on Kaspa

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

How the odds have moved

Kaspa's network hashrate climbed 5% since 2026-09-22, from 329.18 PH/s to 345.35 PH/s — so the same rig is now 5% less likely to find a block.

Where to point a GeForce RTX 4090 at Kaspa

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 13 solo pools for Kaspa with their stratum endpoints, fees, and pool hashrates — see Kaspa solo mining pools:

• rustykaspa.org (Fee: 0% · Hashrate: 485.78 TH/s)
• k1pool.com (Fee: 0.5% · Hashrate: 3.24 PH/s)
• kaspa-pool.org (Fee: 0.75% · Hashrate: 10.44 PH/s)

How the odds are calculated

Solo mining is memoryless: every hash is an independent lottery ticket, so the wait for a block follows an exponential distribution rather than a fixed schedule. On average a block takes T = network_hashrate ÷ your_hashrate × block_time, and the probability of finding at least one within a window t is P = 1 − e^(−t/T). BackPoW uses this Poisson relation instead of a naive linear estimate. For this pair: daily chance 0.4982%, yearly chance 83.87%.

Frequently Asked Questions: GeForce RTX 4090 on Kaspa

Can you solo mine Kaspa with a GeForce RTX 4090?

Yes — a GeForce RTX 4090 (2.00 GH/s) can solo mine Kaspa (KAS) via a solo pool. At Kaspa's 345.35 PH/s kHeavyHash network that is about 2 blocks per year — expected one block roughly every 200 days, for the full 2.0602 KAS block. BackPoW computes this from live network difficulty using a Poisson block-discovery model.

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

kHeavyHash is an ASIC-resistant GPU algorithm relying on memory bandwidth. The GeForce RTX 4090 ranks #8 of 18 GPUs on Kaspa. 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 Kaspa?

At 240 W, operating a GeForce RTX 4090 consumes 5.76 kWh/day (175.3 kWh/month). At standard electricity (0.069 USD/kWh), the power bill is 0.40 USD/day (12.10 USD/month). The operational breakeven threshold is 0.000 USD/kWh.

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

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 1.64 yr, accumulating roughly 238 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: