7 Best 240hz 4k Gaming Monitor [UK] (2025)

2025 Expert Picks

Last Updated: July 2025

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Last Updated: July 2025

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Best 240hz 4k Gaming Monitor

Premium Pick

Samsung 27 Inch Odyssey OLED G81SF Gaming Monitor - 4K, 3840 x 2160, 240 Hz, QD-OLED, 0.03 ms(G/G), AMD FreeSync Premium Pro, G-Sync Compatible, Safeguard+ for Burn-in, Glare-Free, LS27FG816SUXXU

Samsung

Available in 2 Sizes, 2 Styles, 2 Unknown

9.7

Samsung 27 Inch Odyssey OLED G81SF Gaming Monitor - 4K, 3840 x 2160, 240 Hz, QD-OLED, 0.03 ms(G/G), AMD FreeSync Premium Pro, G-Sync Compatible, Safeguard+ for Burn-in, Glare-Free, LS27FG816SUXXU

Color: Silver

Dimensions: 21.81 x 10.35 x 24.06 Inches

Weight: 15.21 Pounds

Release Date: 21/04/2025

Picked by 397 people today

MSI MPG 272URX QD-OLED 26.5 Inch 4K UHD Gaming Monitor - 3840 x 2160 Quantum Dot OLED Panel,EL Gen3, 240Hz / 0.03ms, 99% DCI-P3, ΔE≤2, DisplayHDR True Black 400, KVM, DP 2.1a, HDMI 2.1, USB Type-C

MSI

Available in 8 Sizes, 5 Colors

9.5

MSI MPG 272URX QD-OLED 26.5 Inch 4K UHD Gaming Monitor - 3840 x 2160 Quantum Dot OLED Panel,EL Gen3, 240Hz / 0.03ms, 99% DCI-P3, ΔE≤2, DisplayHDR True Black 400, KVM, DP 2.1a, HDMI 2.1, USB Type-C

Color: 240 Hz / QD-OLED

Dimensions: 9.84 x 24.02 x 16.93 Inches

Weight: 8.82 Pounds

Release Date: 01/01/2025

Size: 27'' / 4K UHD (NEW)

ASUS

Available in 7 Styles, 10 Sizes

9.5

ASUS ROG Swift OLED PG32UCDM gaming monitor ― 32-inch 4K QD-OLED panel, 240Hz, 0.03ms (GTG), G-SYNC compatible, custom heatsink, graphene film, uniform brightness, 99% DCI-P3, True 10-bit, 90 W Type-C

Color: Black

Dimensions: 16.93 x 2.91 x 28.27 Inches

Weight: 19.40 Pounds

Release Date: 31/07/2024

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ASUS

9.2

ASUS ROG Strix XG27UCDMG, 26.5" Gaming Monitor, 4K Ultra HD QD-OLED (3840 x 2160), 0.03ms (GTG), 240Hz, HDMI, USB-C and DisplayPort, Compatible with G-SYNC, Display Widget Center, Black

Color: Black

Dimensions: 20.04 x 6.61 x 24.13 inches

Weight: 16.40 pounds

Release Date: 01/03/2025

Save 11%

Alienware

Available in 10 Styles

9.0

Alienware AW3225QF 32 Inch 4K UHD (3840x2160) 1700R Curved Gaming Monitor, 240Hz, QD OLED, 0.03ms, NVIDIA G-SYNC Compatible, HDR, Dolby Vision, USB-C, DisplayPort, 2x HDMI, 4x USB

Color: Black, Silver

Dimensions: 22.94 x 28.17 x 12.04 inches

Weight: 13.23 pounds

Release Date: 06/02/2024

Unit Count: 1

Energy Class: Class G

Save 9%

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LG

Available in 5 Sizes, 2 Styles, 2 Unknown

8.8

LG UltraGear OLED Gaming Monitor 32GS95UV-B, 32 inch UHD 4K, Dual mode 4K: 240Hz / FHD: 480Hz, 0.03ms Response Time, NVIDIA G-Sync & AMD FreeSync Premium Pro, 7W Stereo speakers, DisplayPort, HDMI 2.1

Color: Dark Purple/Grey

Dimensions: 16.21 x 2.56 x 28.11 Inches

Weight: 12.35 Pounds

Release Date: 30/05/2025

Save 23%

KTC

Available in 4 Sizes, 10 Styles, 4 Colors

8.6

KTC 32 Inch 4K OLED Monitor, Dual Mode 4K@240Hz / 1080P@480HZ Gaming Monitor, 0.03ms, Adaptive Sync, HDR Ture Black 400, HDMI 2.1, DP 1.4, Full Function 65W USB C, 3 x USB A 3.0, KVM，Dual Speaker

Color: White

Dimensions: 27.95 x 10.24 x 16.93 inches

Our Top Choice

Best 240hz 4k Gaming Monitor

Premium Pick

Samsung

Available in 2 Sizes, 2 Styles, 2 Unknown

9.7

Samsung 27 Inch Odyssey OLED G81SF Gaming Monitor - 4K, 3840 x 2160, 240 Hz, QD-OLED, 0.03 ms(G/G), AMD FreeSync Premium Pro, G-Sync Compatible, Safeguard+ for Burn-in, Glare-Free, LS27FG816SUXXU

Color: Silver

Dimensions: 21.81 x 10.35 x 24.06 Inches

Weight: 15.21 Pounds

Release Date: 21/04/2025

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2025 Expert Picks

Finding the perfect product can be challenging. That’s why our team invests countless hours in research, breaking down key insights into clear, side-by-side comparisons. Our top pick is based on what matters most to our readers, the most popular products in each category, and a data-driven assessment of all available options. We aim to provide you with all the details you need to make the best choice—quickly and confidently.

Energy Class

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Energy Class	Premium Pick Samsung 27 Inch Odyssey OLED G81SF Gaming Monitor - 4K, 3840 x 2160, 240 Hz, QD-OLED, 0.03 ms(G/G), AMD FreeSync Premium Pro, G-Sync Compatible, Safeguard+ for Burn-in, Glare-Free, LS27FG816SUXXU Samsung On Amazon	MSI MPG 272URX QD-OLED 26.5 Inch 4K UHD Gaming Monitor - 3840 x 2160 Quantum Dot OLED Panel,EL Gen3, 240Hz / 0.03ms, 99% DCI-P3, ΔE≤2, DisplayHDR True Black 400, KVM, DP 2.1a, HDMI 2.1, USB Type-C MSI On Amazon	Best Value Popular ASUS ROG Swift OLED PG32UCDM gaming monitor ― 32-inch 4K QD-OLED panel, 240Hz, 0.03ms (GTG), G-SYNC compatible, custom heatsink, graphene film, uniform brightness, 99% DCI-P3, True 10-bit, 90 W Type-C ASUS On Amazon	ASUS ROG Strix XG27UCDMG, 26.5" Gaming Monitor, 4K Ultra HD QD-OLED (3840 x 2160), 0.03ms (GTG), 240Hz, HDMI, USB-C and DisplayPort, Compatible with G-SYNC, Display Widget Center, Black ASUS On Amazon	Alienware AW3225QF 32 Inch 4K UHD (3840x2160) 1700R Curved Gaming Monitor, 240Hz, QD OLED, 0.03ms, NVIDIA G-SYNC Compatible, HDR, Dolby Vision, USB-C, DisplayPort, 2x HDMI, 4x USB Alienware On Amazon	LG UltraGear OLED Gaming Monitor 32GS95UV-B, 32 inch UHD 4K, Dual mode 4K: 240Hz / FHD: 480Hz, 0.03ms Response Time, NVIDIA G-Sync & AMD FreeSync Premium Pro, 7W Stereo speakers, DisplayPort, HDMI 2.1 LG On Amazon	KTC 32 Inch 4K OLED Monitor, Dual Mode 4K@240Hz / 1080P@480HZ Gaming Monitor, 0.03ms, Adaptive Sync, HDR Ture Black 400, HDMI 2.1, DP 1.4, Full Function 65W USB C, 3 x USB A 3.0, KVM，Dual Speaker KTC On Amazon
Deal
Deal	-	-	Save 32%	Save 11%	Save 9%	Save 23%	-
Color	Silver	240 Hz / QD-OLED	Black	Black	Black, Silver	Dark Purple/Grey	White
Color	Silver	240 Hz / QD-OLED	Black	Black	Black, Silver	Dark Purple/Grey	White
Dimensions	21.81 x 10.35 x 24.06 Inches	9.84 x 24.02 x 16.93 Inches	16.93 x 2.91 x 28.27 Inches	20.04 x 6.61 x 24.13 inches	22.94 x 28.17 x 12.04 inches	16.21 x 2.56 x 28.11 Inches	27.95 x 10.24 x 16.93 inches
Dimensions	21.81 x 10.35 x 24.06 Inches	9.84 x 24.02 x 16.93 Inches	16.93 x 2.91 x 28.27 Inches	20.04 x 6.61 x 24.13 inches	22.94 x 28.17 x 12.04 inches	16.21 x 2.56 x 28.11 Inches	27.95 x 10.24 x 16.93 inches
Weight	15.21 Pounds	8.82 Pounds	19.40 Pounds	16.40 pounds	13.23 pounds	12.35 Pounds	0.00
Weight	15.21 Pounds	8.82 Pounds	19.40 Pounds	16.40 pounds	13.23 pounds	12.35 Pounds	0.00
Release Date	2025-04-21T00:00:01Z	2025-01-01T00:00:01Z	2024-07-31T00:00:01Z	2025-03-01T00:00:01Z	2024-02-06T00:00:01Z	2025-05-30T00:00:01Z	-
Release Date	21/04/2025	01/01/2025	31/07/2024	01/03/2025	06/02/2024	30/05/2025	-
Size	27 Inch	27'' / 4K UHD (NEW)	32" QD OLED	27" UHD 4K	-	32 inch	32 Inch
Size	27 Inch	27'' / 4K UHD (NEW)	32" QD OLED	27" UHD 4K	-	32 inch	32 Inch
Unit Count	1	1	1	1	1	1	1
Unit Count	1	1	1	1	1	1	1
Energy Class	G	G	G	F	Class G	F	-
Energy Class	G	G	G	F	Class G	F	-

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We leverage expert analysis and advanced technology to evaluate thousands of products. Our unbiased reviews are designed to save you time and ensure you find the best options with confidence.