RandomX comparison
AMD Ryzen 7 5800X vs Intel Core i9-13900K
The AMD Ryzen 7 5800X is 29% more efficient per KH, which is what decides the break-even electricity price below. Both machines are modelled with identical assumptions and your own rate.
Side by side
| Measure | Ryzen 7 5800X | Core i9-13900K |
|---|---|---|
| Hashrate | 13 KH/s | 11 KH/s |
| Power draw | 105 W | 125 W |
| Efficiency | 8.1 W/KH (better on this measure) | 11.4 W/KH |
| Revenue / day | $0.00 | $0.00 |
| Electricity / day | $0.1512 | $0.18 |
| Operating profit / day | -$0.1512 (better on this measure) | -$0.18 |
| Operating profit / month | -$4.54 (better on this measure) | -$5.40 |
| Break-even electricity | $0.00 (better on this measure) | $0.00 |
| Cooling | Air | Air |
| Home suitable | Yes | Yes |
Both machines assume a 1% pool fee at the current XMR price and network difficulty, running continuously. A highlighted figure is the better of the two on that measure — marked only where one genuinely is better, not on hashrate, power or revenue, which reflect the size of the machine rather than its quality. Highlighting is not a recommendation, and no manufacturer pays for placement here. Your rate is saved in this browser and applies across the site.
Our view
AMD Ryzen 7 5800X
13 KH/s · 105 W · 8.1 W/KH
An older desktop part with a good hashrate-per-watt ratio for RandomX. Modest returns, but the lowest entry cost of the CPU options.
Intel Core i9-13900K
11 KH/s · 125 W · 11.4 W/KH
Its hybrid core layout suits RandomX less well than AMD's uniform cores, and it trails the Ryzen 9 on both output and efficiency.
These are editorial judgements, not paid placements. Neither manufacturer has any influence over the ordering or the verdicts, and no purchase links on this page are affiliate links. Purchase price, warranty and availability are excluded because we do not yet publish a verified retailer feed — a comparison that invented them would be worse than one that omits them.
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