Acer EI491CR
Uses less electricity than 83% of the 335 monitors, 43–54″ on the EU register. At your selected price (European Union) that is €16 a year, €157 over ten years.
- Power, SDR
- 38.0 W
- Typical 45 W
- Running cost
- €16 / year
- 4 h a day
- Power, HDR
- 49.0 W
- 1.3× SDR
In the most efficient quarter of its group: 16 % below the typical 66 kWh. Class F is the most common class in this group (47% of models). In HDR it draws 49.0 W, 1.3 times its SDR power. Of 9 Acer models in this group, it is the most efficient. On the register since 2021 and still on sale.
Where it stands
Rank 49 of 335 monitors, 43–54″ by yearly consumption. 48 use less.
Next to it in the ranking
- Leaderhub U55PRO 56 kWh same
- HP E45c G5 (HSD-0142-A) 56 kWh same
- Acer EI491CR 56 kWh
- Perfect Display Technology (Huizhou) MG49RQA-C-165Hz 56 kWh +€0.08
- Acer XZ452CU 56 kWh +€0.11
What it will cost you
| Period | EI491CR | FT485MOB | Difference |
|---|---|---|---|
| 1 year | €16 | €11 | −€5 |
| 5 years | €79 | €56 | −€23 |
| 10 years | €157 | €112 | −€46 |
| 15 years | €236 | €167 | −€68 |
Is the more efficient model worth its price?
Enter both purchase prices to see the total cost of ownership.
Power in SDR and HDR
Cost by viewing time
| Use | kWh / yr | € / yr |
|---|---|---|
| 2 hours a day | 28 | €8 |
| 4 hours a day | 55 | €16 |
| 8 hours a day | 111 | €31 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| Acer EI491CR (this model) | 56 | — |
| 39 | €5 | |
| 45 | €3 | |
| 45 | €3 | |
| 47 | €2 | |
| 50 | €2 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 38.0 W
- On-mode power HDR
- 49.0 W
- Standby / networked standby
- 0.5 W
- Screen diagonal
- 49″
- Resolution
- 3840×1080
- Panel
- LCD
- Refresh rate
- 60 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 2 years
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by Acer under one model number.
EI491CR
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the Acer EI491CR cost to run?
At 4 hours a day it uses about 56 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €16 a year, or €157 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 49.0 W instead of 38.0 W, 1.3 times as much. The yearly cost on this page uses SDR, as the label does.