Compare models
4 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
Yearly running cost
Bars in proportion to the energy each model uses.
- HKC CG321QKS €20.30
- AOC Q32E4U €10.78
- iiyama GB3271QSU-B2 €16.05
- ASUS VG32WQ3B €16.49
| Model | HKC CG321QKS | AOC Q32E4U | iiyama GB3271QSU-B2 | ASUS VG32WQ3B |
|---|---|---|---|---|
| Running cost | ||||
| Running cost (per year) | €20.30 | €10.78 | €16.05 | €16.49 |
| over 10 years | €203 +€95 over 10 years | €108 | €160 +€53 over 10 years | €165 +€57 over 10 years |
| kWh per year | 70.1 | 37.2 | 55.4 | 56.9 |
| kg CO₂e per year from electricity use | 15 | 7.8 | 12 | 12 |
| Specifications | ||||
| Brand | HKC | AOC | iiyama | ASUS |
| Model | CG321QKS | Q32E4U | GB3271QSU-B2 | VG32WQ3B |
| Energy class | F | C | E | E |
| Screen size | 32″ (80 cm) | 32″ (80.1 cm) | 32″ (80.1 cm) | 32″ (80 cm) |
| Power in on mode (SDR) | 32 W | 17 W | 25.3 W | 26 W |
| Energy class (HDR) | G | C | F | G |
| Power in on mode (HDR) | 52 W | 17 W | 30.4 W | 55 W |
| Standby | 0.5 W | 0.5 W | 0.4 W | 0.5 W |
| Off mode | 0.3 W | 0.3 W | 0.3 W | 0.3 W |
| Resolution | 2560 × 1440 | 2560 × 1440 | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 | 16:9 | 16:9 |
| Panel | LED LCD | LED LCD | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Power supply | Internal | Internal | Internal | Internal |
| Guaranteed support | 3 years | 8 years | 7 years | 7 years |
| Software updates | 8 years | 8 years | 8 years | 8 years |
| Spare parts available | 7 years | 7 years | 7 years | 7 years |
| On the market since | September 11, 2025 | October 2, 2025 | May 20, 2025 | October 28, 2024 |
| EPREL registration number | 2467006 | 2458787 | 2283978 | 2153200 |
Rows where the models differ are highlighted.