Best 27-inch Monitors in the UK (2026): Top 4 by Desk and Device Fit

A 27-inch screen does not tell you how much workspace, charging capability or desk room you will get. Start with the connection your computer can actually supply, then compare resolution and the stand.

Compare the four setups

Monitor	Resolution and published refresh	Laptop video and charging	Stand adjustment	With-stand depth
BenQ GW2790	1920 x 1080; listed 100Hz	Two HDMI 1.4 inputs and DisplayPort 1.2; no USB-C charging	Tilt	182mm
Dell S2722QC	3840 x 2160 at 60Hz	USB-C video and up to 65W PD; two HDMI inputs	Height, tilt, swivel and pivot	174.7mm
LG 27GP850-B	2560 x 1440; DP 165Hz or 180Hz overclocked, HDMI up to 144Hz	DisplayPort 1.4 and two HDMI inputs; no USB-C	Height, tilt and pivot	291.2mm
Samsung LS27CG552EUXXU	2560 x 1440; listed 165Hz	DisplayPort 1.2 and HDMI 2.0; no USB-C charging	Tilt	272.6mm

These are manufacturer-listed capabilities, not measured performance. The BenQ and Samsung headline refresh figures do not establish every input timing: consult the exact model’s supported-timing table and your graphics output before assuming the maximum through HDMI, a dock or an adapter.

Choose resolution before chasing a label

Full HD gives the BenQ fewer pixels across the same 27-inch diagonal than either QHD model or the 4K Dell. That can suit someone who wants larger interface elements without a high-resolution setup, but it is not equivalent detail at the same viewing distance.

Dell’s 4K panel provides more pixels for documents and images. You may need operating-system scaling to make text a comfortable size; scaling and application behaviour matter more than simply setting everything to its smallest size. For games, resolution and frame-rate targets must also fit the graphics hardware.

LG and Samsung offer QHD with higher listed refresh ceilings than the Dell. Refresh rate is not proof of response quality, low blur or the frame rate your computer can sustain.

When USB-C can replace two cables

Dell is the only model here with documented USB-C video and laptop power delivery. Its up-to-65W supply is useful only when the laptop accepts USB-C charging, supports the required video mode and is connected by a cable rated for both functions.

A USB-C connector alone does not guarantee video output. Check the laptop’s DisplayPort Alt Mode support and power requirements, plus the cable and any dock. A laptop needing more power may still need its own charger. The other three monitors require a separate video connection and laptop power supply; a USB hub does not turn them into USB-C charging displays.

Measure more than the stand depth

The depth column describes the monitor assembly with its supplied stand. It is not a minimum safe desk depth or a complete clearance allowance. Leave room for cables, ventilation, keyboard position and a comfortable viewing distance, following the manufacturer’s placement instructions.

Dell and LG offer height adjustment; BenQ and Samsung list tilt-only stands. A low shelf or fixed desk height can therefore change the shortlist before display specifications do. If considering an arm, verify the exact monitor’s mounting specification and supported mass against the arm and desk instructions. Do not infer arm compatibility from screen size.

Why Dell remains the starting point

Dell’s role is the adjustable 4K desk-work setup with compatible USB-C video and charging. BenQ is the Full HD alternative, not a promise of today’s lowest price. LG is the DisplayPort high-refresh option; Samsung is the curved-screen alternative.

If the deciding need is desk work rather than size alone, compare monitors for home working. For a fixed spending ceiling, use monitors under £300 and check current checkout totals.

What would change the recommendation

A required input, laptop power requirement, fixed screen height or inadequate desk space can rule out a model. Exact model substitutions also need a new check: LG 27GP850P-B is not silently interchangeable with 27GP850-B, and different Samsung G5 sizes or generations are not the LS27CG552EUXXU.

Known limitations

This is a desk-based specification comparison without first-party display measurements. We have not measured text comfort, colour accuracy, motion behaviour, noise or long-term reliability. Current prices, sellers, delivery, UK plug arrangements and warranty terms require checkout checks; a research update is not proof that every merchant offer has been refreshed.

Sources and review date

Specification research reviewed 5 September 2026. This review covers the documented hardware, not a fresh availability check for every seller. Confirm the exact model and current seller terms before ordering.

• BenQ GW2790 UK specifications.
• Dell S2722QC hardware user guide.
• LG 27GP850-B UK specifications.
• Samsung LS27CG552EUXXU UK specifications.