Japannext JN-C34V144UQHD
Uses less electricity than 84% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €11 a year, €108 over ten years.
- Power, SDR
- 26.0 W
- Typical 31 W
- Running cost
- €11 / year
- 4 h a day
- Power, HDR
- 51.0 W
- 2.0× SDR
In the most efficient quarter of its group: 17 % below the typical 46 kWh. Only 4% of comparable models have a better class than E. In HDR it draws 51.0 W, 2.0 times its SDR power. Japannext has 33 models in this group; this one is number 4 among them. Japannext sells the same label values under other model names: JN-34VCG144UQ, JN-VA340UQHDC. Registered in Sept 2026, one of the newer models in its group.
Where it stands
Rank 158 of 1,482 monitors, 32–42″ by yearly consumption. 157 use less.
Next to it in the ranking
- Philips 34M2C8600P 38 kWh same
- Japannext JN-34VCG144UQ 38 kWh same
- Japannext JN-C34V144UQHD 38 kWh
- Japannext JN-VA340UQHDC 38 kWh same
- Jiufang Yingtong WCH-3200M 38 kWh same
What it will cost you
| Period | JN-C34V144UQHD | LX34 ZA | Difference |
|---|---|---|---|
| 1 year | €11 | €2 | −€8 |
| 5 years | €54 | €12 | −€42 |
| 10 years | €108 | €24 | −€84 |
| 15 years | €161 | €35 | −€126 |
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 | 19 | €5 |
| 4 hours a day | 38 | €11 |
| 8 hours a day | 76 | €22 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| Japannext JN-C34V144UQHD (this model) | 38 | — |
| 8 | €8 | |
| 8 | €8 | |
| 12 | €7 | |
| 23 | €4 | |
| 29 | €2 |
Label and product sheet
- Energy class SDR / HDR
- E / G
- On-mode power SDR
- 26.0 W
- On-mode power HDR
- 51.0 W
- Standby / networked standby
- 0.3 W
- Screen diagonal
- 34″
- Resolution
- 3440×1440
- Panel
- LED LCD
- Refresh rate
- 60 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 2 years
- Spare parts (minimum)
- 8 years
Model numbers and history
Registered by Japannext under one model number.
JN-C34V144UQHD
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the Japannext JN-C34V144UQHD cost to run?
At 4 hours a day it uses about 38 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €11 a year, or €108 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 51.0 W instead of 26.0 W, 2.0 times as much. The yearly cost on this page uses SDR, as the label does.