What is a good hashrate per watt for Monero mining?

A good target for Monero mining is roughly 50–100 hashes per second per watt, measured at the wall, with over 100 considered very efficient for a well-tuned modern CPU setup. Treat these as rough guideposts for dedicated mining software—not guaranteed results or a fair benchmark for browser mining.

What hashrate per watt tells you

Your hashrate is the number of mining calculations your device completes each second. It is usually shown as H/s, meaning hashes per second.

To measure efficiency, divide that speed by the electricity your setup uses:

Efficiency = hashrate in H/s ÷ power in watts

For example, a computer producing 12,000 H/s while drawing 150 watts delivers 80 H/s per watt. That is a solid result under the guideposts above.

Higher is better: you get more mining work from each unit of electricity. But efficiency alone does not tell you whether you will make money.

How to judge your result fairly

For CPU mining—mining with your computer’s main processor—these broad ranges can help:

• Below 30 H/s per watt: Relatively inefficient. Electricity costs can be difficult to cover.
• 30–50 H/s per watt: A workable result for some older or less optimized computers.
• 50–100 H/s per watt: A good range for an efficient modern setup.
• Above 100 H/s per watt: Very efficient, provided the measurement includes the whole computer.

These are practical comparisons, not official Monero standards. Processor model, memory settings, cooling, and power limits all affect your result.

Monero uses RandomX, its mining algorithm, or set of calculation rules. RandomX favors CPUs, but that does not make every CPU equally efficient.

Measure power at the wall

For an honest comparison, use a plug-in electricity meter to measure the entire computer. Software often reports only processor power, leaving out memory, fans, and electricity lost in the power supply.

Let mining run until both speed and power readings settle, then record their averages. Keep unrelated workloads off during the test.

There are two useful measurements:

• Total efficiency: Divide hashrate by the computer’s full power draw. Use this when the computer runs specifically to mine.
• Extra-power efficiency: Divide hashrate by the increase above its normal non-mining power draw. This can help if your computer would genuinely be running anyway.

Do not compare one method with the other without labeling them.

What changes when you mine in your browser

Browser mining generally performs worse than optimized mining software installed directly on your computer. Browser restrictions and the mining implementation can limit speed and efficiency.

For your browser session, measure actual hashrate and wall power rather than borrowing a benchmark for your processor.

Lowering the mining intensity may improve efficiency, even if it reduces total speed. Test several settings and watch temperatures, fan noise, and responsiveness. The fastest setting is not always the best value.

The bottom line

Aim for 50–100 H/s per watt at the wall as a good dedicated-CPU benchmark, not a browser-mining promise. Before spending money, check a live Monero mining calculator using your measured hashrate, power draw, electricity rate, and fees. Good efficiency helps, but it does not guarantee profit.