Product Price Screen Size (inches) Resolution (pixels) Refresh Rate (Hz) Response Time (ms) Contrast Ratio (1:X) HDR Support Ports
LG OLED42C6PUA
US
£787.33 42 in 3840 x 2160 120 Hz less than 0.1ms Infinite 4 x HDMI 2.1, 2 x USB 2.0, Ethernet, SPDIF optical, headphone, RF input

The LG OLED42C6PUA is a 42 in OLED 4K TV with a native 120 Hz refresh rate and very fast pixel response (less than 0.1ms). It supports Dolby Vision, HDR10, and HLG and is set up for gaming with HDMI 2.1 features including 4K 120Hz support. It suits gamers and anyone who wants an OLED-style monitor-sized screen with high refresh and strong HDR formats.

★ Ideal for

If you want the largest screen size in the OLED monitor category, the OLED42C6PUA's 42 in size is larger than smaller OLED TV/monitor sizes, while still delivering up to 165 Hz VRR and a native 120 Hz refresh rate.

LG UltraGear 45GX950A
US
£1107.36 44.5 in 5120 x 2160 165Hz 0.03ms (GTG) 1500000:1 DisplayPort 2.1, HDMI 2.1, USB-C (PD 90W), Headphone out (4-pole Sound+Mic)

LG UltraGear 45GX950A is a 44.5 in 5K2K (5120 x 2160) OLED ultrawide gaming monitor with 0.03ms (GTG) response time and up to 165Hz refresh rate. It supports VESA DisplayHDR 400 True Black for HDR gaming and includes HDMI 2.1, DisplayPort 2.1, and USB-C with 90W power delivery. It's built for gamers who want a large, curved OLED experience with fast motion and strong HDR blacks.

★ Ideal for

For the largest-screen OLED monitor, the LG UltraGear 45GX950A stands out with a 44.5 in screen size paired with 5K2K OLED and 165Hz refresh rate.

Samsung Odyssey OLED G9 G95SD
US
£660.84 49 in 5120 x 1440 240Hz 0.03ms 1000000:1 1 x DisplayPort 1.4, 1 x HDMI 2.1, 1 x Micro HDMI 2.1, 3 x USB-C, 1 x headphone jack

The Samsung Odyssey OLED G9 G95SD is a 49 in super-ultrawide QD-OLED monitor with Dual QHD resolution, a 240Hz refresh rate, and a 0.03ms response time. Its OLED panel delivers deep blacks and HDR support, while the 32:9 curved display suits competitive gaming, immersive entertainment, and wide multitasking setups.

★ Ideal for

It suits anyone seeking the OLED monitor with the largest screen size because its 49 in 32:9 curved display provides expansive viewing space while retaining a sharp 5120 x 1440 resolution and fast 240Hz performance.

ASUS ROG Swift OLED PG49WCD
US
£76035.82 49 in 5120 x 1440 144Hz 0.03ms GTG 1,500,000:1 1 x DisplayPort 1.4 DSC, 1 x HDMI 2.1, 1 x USB-C DP Alt Mode with 90W Power Delivery, 2 x USB 3.2 Gen 1 Type-A, 2 x USB 2.0 Type-A, earphone jack, SPDIF optical out

The ASUS ROG Swift OLED PG49WCD is a 49 in curved super-ultrawide QD-OLED monitor with a 5120 x 1440 resolution, 144Hz refresh rate, and extremely fast 0.03ms response time. Its HDR support, high contrast, USB-C connectivity, and Smart KVM make it well suited to immersive gaming and demanding productivity setups.

★ Ideal for

This specifically suits someone asking which OLED monitor has the largest screen size because its 49 in QD-OLED panel provides an exceptionally large 32:9 viewing area while retaining a 5120 x 1440 resolution and 144Hz refresh rate.

LG UltraGear OLED 39GX950B
US
£1180.46 39 in 5120 x 2160 165 Hz; 330 Hz at 2560 x 1080 0.03 ms 1850000:1 1 x DisplayPort 2.1, 2 x HDMI 2.1, 1 x USB-C with 90W power delivery, 2 x USB-A, headphone out

The LG UltraGear OLED 39GX950B is a 39 in curved 5K2K OLED gaming monitor with a 165 Hz refresh rate and exceptionally fast 0.03 ms response time. Its dual-mode display can switch to 330 Hz at a lower resolution, making it suitable for immersive gaming, competitive play, and demanding multitasking.

★ Ideal for

It suits the question Which OLED monitor has the largest screen size? because its 39 in OLED panel provides a larger display than typical 27 in, 32 in, and 34 in OLED monitors while retaining a sharp 5120 x 2160 resolution.