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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

  • Samsung

    S34C502GAU
    G 34″QHDLCD / LED120 Hz

    €19.85 per year

    +€14.88 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.

  • Samsung S34C502GAU €19.85
  • Itek ITMC34V181WQHD €18.73
  • Hgfrtee B340QQU16 €4.96
  • Twistedminds TM34CWQHD165VA €13.52
Model Samsung S34C502GAU Itek ITMC34V181WQHD Hgfrtee B340QQU16 Twistedminds TM34CWQHD165VA
Running cost
Running cost (per year) €19.85 €18.73 €4.96 €13.52
over 10 years €198 +€149 over 10 years €187 +€138 over 10 years €50 €135 +€86 over 10 years
kWh per year 70.1 66.1 17.5 47.7
kg CO₂e per year from electricity use 15 14 3.7 10
Specifications
Brand Samsung Itek Hgfrtee Twistedminds
Model S34C502GAU ITMC34V181WQHD B340QQU16 TM34CWQHD165VA
Energy class G F C E
Screen size 34″ (86 cm) 34″ (86.4 cm) 34″ (85 cm) 34″ (86.4 cm)
Power in on mode (SDR) 32 W 30.2 W 8 W 21.8 W
Energy class (HDR) G G – –
Power in on mode (HDR) 50 W 54.5 W – –
Standby 0.5 W 0.5 W 0.1 W 0.2 W
Off mode 0.3 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 LED LCD LED LCD LCD LCD
Refresh rate 120 Hz 165 Hz 165 Hz 165 Hz
Power supply External Internal External External
Guaranteed support 7 years 7 years 1 year 1 year
Software updates 8 years 8 years 1 year 1 year
Spare parts available 7 years 7 years 1 year 1 year
On the market since March 4, 2023 May 15, 2024 March 18, 2026 November 12, 2024
EPREL registration number 1410846 2013813 2665077 2192582
Networked standby – – – 0 W

Rows where the models differ are highlighted.