Compare models
2 monitors side by side.
- Electricity at €0.2896 per kWh (household price with taxes, Eurostat 2025-S2).
- 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
Electricity prices in all EU countries
- Cheapest to run
- Add a model Use the Compare buttons on any of the monitors.
Yearly running cost
Bars in proportion to the energy each model uses.
- HKC CG321QKS €20.30
- AOC Q32E4U €10.78
| Model | HKC CG321QKS | AOC Q32E4U |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €20.30 | €10.78 |
| over 10 years | €203 +€95 over 10 years | €108 |
| kWh per year | 70.1 | 37.2 |
| kg CO₂e per year from electricity use | 15 | 7.8 |
| Specifications | ||
| Brand | HKC | AOC |
| Model | CG321QKS | Q32E4U |
| Energy class | F | C |
| Screen size | 32″ (80 cm) | 32″ (80.1 cm) |
| Power in on mode (SDR) | 32 W | 17 W |
| Energy class (HDR) | G | C |
| Power in on mode (HDR) | 52 W | 17 W |
| Standby | 0.5 W | 0.5 W |
| Off mode | 0.3 W | 0.3 W |
| Resolution | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 3 years | 8 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 7 years | 7 years |
| On the market since | September 11, 2025 | October 2, 2025 |
| EPREL registration number | 2467006 | 2458787 |
Rows where the models differ are highlighted.