Lenovo R45w-30(F234455Y0)
Uses less electricity than 88% of the 335 monitors, 43–54″ on the EU register. At your selected price (European Union) that is €15 a year, €146 over ten years.
- Power, SDR
- 35.2 W
- Typical 45 W
- Running cost
- €15 / year
- 4 h a day
- Power, HDR
- 51.8 W
- 1.5× SDR
In the most efficient quarter of its group: 22 % below the typical 66 kWh. Class F is the most common class in this group (47% of models). In HDR it draws 51.8 W, 1.5 times its SDR power. Of 2 Lenovo models in this group, it is the most efficient.
Where it stands
Rank 38 of 335 monitors, 43–54″ by yearly consumption. 37 use less.
Next to it in the ranking
- Twistedminds TM49CDQHDVA 51 kWh −€0.08
- Rampage CYCLOPS CY49R165 51 kWh −€0.08
- Lenovo R45w-30(F234455Y0) 51 kWh
- Japannext JN-49V120DQ-HSC9 53 kWh +€0.54
- LG 45GR65DC 54 kWh +€0.65
What it will cost you
| Period | R45w-30(F234455Y0) | FT-Squ-454WTA01-700 | Difference |
|---|---|---|---|
| 1 year | €15 | €4 | −€11 |
| 5 years | €73 | €18 | −€55 |
| 10 years | €146 | €36 | −€110 |
| 15 years | €218 | €54 | −€165 |
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 | 26 | €7 |
| 4 hours a day | 51 | €15 |
| 8 hours a day | 103 | €29 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| Lenovo R45w-30(F234455Y0) (this model) | 51 | — |
| 13 | €11 | |
| 24 | €8 | |
| 26 | €7 | |
| 26 | €7 | |
| 46 | €2 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 35.2 W
- On-mode power HDR
- 51.8 W
- Standby / networked standby
- 0.5 W
- Screen diagonal
- 45″
- Resolution
- 5120×1440
- Panel
- LED LCD
- Refresh rate
- 165 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 3 years
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by Lenovo under one model number.
R45w-30(F234455Y0)
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the Lenovo R45w-30(F234455Y0) cost to run?
At 4 hours a day it uses about 51 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €15 a year, or €146 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 51.8 W instead of 35.2 W, 1.5 times as much. The yearly cost on this page uses SDR, as the label does.