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4 monitors side by side.

6 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
  • Odys

    XE34-UWQ-120
    F 34″QHDLCD / LED120 Hz

    €19.35 per year

    +€14.39 a year

  • Cheapest to run

    Hgfrtee

    B340QQU16
    C 34″QHDLCD / LED165 Hz

    €4.96 per year

  • Twistedminds

    TM34CWQHD165VA
    E 34″QHDLCD / LED165 Hz

    €13.52 per year

    +€8.56 a year

  • Acer

    X34 X0
    E 34″QHDLCD / LED200 Hz

    €14.64 per year

    +€9.68 a year

Yearly running cost

Bars in proportion to the energy each model uses.

  • Odys XE34-UWQ-120 €19.35
  • Hgfrtee B340QQU16 €4.96
  • Twistedminds TM34CWQHD165VA €13.52
  • Acer X34 X0 €14.64
Model Odys XE34-UWQ-120 Hgfrtee B340QQU16 Twistedminds TM34CWQHD165VA Acer X34 X0
Running cost
Running cost (per year) €19.35 €4.96 €13.52 €14.64
over 10 years €194 +€144 over 10 years €50 €135 +€86 over 10 years €146 +€97 over 10 years
kWh per year 68.3 17.5 47.7 51.7
kg CO₂e per year from electricity use 14 3.7 10 11
Specifications
Brand Odys Hgfrtee Twistedminds Acer
Model XE34-UWQ-120 B340QQU16 TM34CWQHD165VA X34 X0
Energy class F C E E
Screen size 34″ (86.3 cm) 34″ (85 cm) 34″ (86.4 cm) 34″ (86.4 cm)
Power in on mode (SDR) 31.2 W 8 W 21.8 W 23.6 W
Energy class (HDR) G – – G
Power in on mode (HDR) 43 W – – 34 W
Standby 0.2 W 0.1 W 0.2 W 0.5 W
Networked standby 0 W – 0 W –
Off mode 0.3 W 0 W 0 W 0.3 W
Resolution 3440 × 1440 3440 × 1440 3440 × 1440 3440 × 1440
Aspect ratio 21:9 16:9 21:9 21:9
Panel LED LCD LCD LCD LED LCD
Refresh rate 120 Hz 165 Hz 165 Hz 200 Hz
Power supply Internal External External Internal
Guaranteed support 3 years 1 year 1 year 7 years
Software updates 2 years 1 year 1 year 8 years
Spare parts available 7 years 1 year 1 year 7 years
On the market since June 1, 2025 March 18, 2026 November 12, 2024 March 18, 2025
EPREL registration number 2273245 2665077 2192582 2343889

Rows where the models differ are highlighted.