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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.

Electricity prices in all EU countries

  • Cepter

    CE34ATILIUS
    F 34″QHDLCD / LED165 Hz

    €19.72 per year

    +€14.76 a year

  • Itek

    ITMC34V181WQHD
    F 34″QHDLCD / LED165 Hz

    €18.73 per year

    +€13.77 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

Yearly running cost

Bars in proportion to the energy each model uses.

  • Cepter CE34ATILIUS €19.72
  • Itek ITMC34V181WQHD €18.73
  • Hgfrtee B340QQU16 €4.96
  • Twistedminds TM34CWQHD165VA €13.52
Model Cepter CE34ATILIUS Itek ITMC34V181WQHD Hgfrtee B340QQU16 Twistedminds TM34CWQHD165VA
Running cost
Running cost (per year) €19.72 €18.73 €4.96 €13.52
over 10 years €197 +€148 over 10 years €187 +€138 over 10 years €50 €135 +€86 over 10 years
kWh per year 69.6 66.1 17.5 47.7
kg CO₂e per year from electricity use 15 14 3.7 10
Specifications
Brand Cepter Itek Hgfrtee Twistedminds
Model CE34ATILIUS ITMC34V181WQHD B340QQU16 TM34CWQHD165VA
Energy class F F C E
Screen size 34″ (86.3 cm) 34″ (86.4 cm) 34″ (85 cm) 34″ (86.4 cm)
Power in on mode (SDR) 31.8 W 30.2 W 8 W 21.8 W
Energy class (HDR) G G – –
Power in on mode (HDR) 51.1 W 54.5 W – –
Standby 0.2 W 0.5 W 0.1 W 0.2 W
Networked standby 0.2 W – – 0 W
Off mode 0.2 W 0.3 W 0 W 0 W
Resolution 3440 × 1440 3440 × 1440 3440 × 1440 3440 × 1440
Aspect ratio 21:9 21:9 16:9 21:9
Panel LCD LED LCD LCD LCD
Refresh rate 165 Hz 165 Hz 165 Hz 165 Hz
Power supply Internal Internal External External
On the market since August 15, 2023 May 15, 2024 March 18, 2026 November 12, 2024
EPREL registration number 1566293 2013813 2665077 2192582
Guaranteed support – 7 years 1 year 1 year
Software updates – 8 years 1 year 1 year
Spare parts available – 7 years 1 year 1 year

Rows where the models differ are highlighted.