Monitors · 40″ · 5120×2160 · LED LCD

Lenovo P40WD-40(A253975P0)

Uses less electricity than 6% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €16 a year, €161 over ten years.

Power, SDR: 39.0 W; Typical 31 W
Running cost: €16 / year; 4 h a day
Power, HDR: 66.0 W; 1.7× SDR

Uses more than most comparable models: 94 % of them need less. ShenzhenGuoruitongTechnologyCoLtd G156F, the most efficient alternative on sale, saves about €14 a year. Class F is the most common class in this group (51% of models). In HDR it draws 66.0 W, 1.7 times its SDR power. Of 22 Lenovo models in this group, it ranks last.

Where it stands

Rank 1,366 of 1,482 monitors, 32–42″ by yearly consumption. 1,365 use less.

Next to it in the ranking

Samsung S37FG750EU 57 kWh same
Samsung S37FG756EU 57 kWh same
Lenovo P40WD-40(A253975P0) 57 kWh
Japannext JN-IPS400UWQHDF-C90W 57 kWh same
Japannext JN-IPS401UWQHD144-C90W 57 kWh same

See the full ranking

What it will cost you

Period	P40WD-40(A253975P0)	G156F	Difference
1 year	€16	€3	−€14
5 years	€81	€13	−€68
10 years	€161	€26	−€135
15 years	€242	€39	−€203

Is the more efficient model worth its price?

Price · P40WD-40(A253975P0) Price · G156F

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 39.0 W

HDR 66.0 W

Group median, SDR 31.5 W

Cost by viewing time

Use	kWh / yr	€ / yr
2 hours a day	28	€8
4 hours a day	57	€16
8 hours a day	114	€32

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model	Size	SDR W	kWh / yr	Saves / year	in 10 years
Lenovo P40WD-40(A253975P0) (this model)	40″	39.0	57	—	—
ShenzhenGuoruitongTechnologyCoLtd G156F compare	40″	6.3	9	€14	€135
Hannspree HL162CPB(HSG1444) compare	40″	7.4	11	€13	€131
ShiJiRongLi Technology Development X90G compare	39″	15.7	23	€10	€96
Hannspree HL400UPB(HSG1467) compare	40″	29.0	42	€4	€41
Uswing YXW3980 compare	40″	31.0	45	€3	€33

Label and product sheet

Energy class SDR / HDR: F / G
On-mode power SDR: 39.0 W
On-mode power HDR: 66.0 W
Standby / networked standby: 0.5 W / 1.8 W
Screen diagonal: 40″
Resolution: 5120×2160
Panel: LED LCD
Refresh rate: 60 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.

P40WD-40(A253975P0)

31 August 2025 First published in the EU register (EPREL)
1 September 2025 Placed on the EU market

Questions

How much does the Lenovo P40WD-40(A253975P0) cost to run?

At 4 hours a day it uses about 57 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 €161 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 66.0 W instead of 39.0 W, 1.7 times as much. The yearly cost on this page uses SDR, as the label does.