Advertising Disclosure 40 Inch Gaming Monitor Comparison - August 2025
7 Best 40 Inch Gaming Monitor In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you9.9
1ASUSASUS ROG Strix XG43UQ HDMI 2.1 Gaming Monitor — 43-inch 4K UHD, 144 Hz, 1ms MPRT, HDMI 2.1, AMD FreeSync Premium Pro, Display Stream Compression (DSC), ELMB Sync, DisplayHDR 1000, DCI-P3 90%
Why we love it
Stunning 4K visuals with HDR.
Smooth gaming with 144 Hz refresh rate.
Versatile connectivity with HDMI 2.1.
Main highlights- Two HDMI 2.1 ports enable mind-blowing 4K 120 Hz gaming on the latest consoles
- High Dynamic Range (HDR) technology with DisplayHDR 1000 certification and professional-grade 90% DCI-P3 color gamut ensures exceptional contrast and color performance
- FreeSync Premium Pro offers smooth HDR visuals at the highest settings while maintaining low latency
- Display size: 43.0 inches
- ASUS Extreme Low Motion Blur Sync (ELMB Sync) technology enables ELMB together with variable refresh rate technology simultaneously to eliminate ghosting and tearing for super-sharp, high-frame rate gaming
- 43ʺ 4K UHD (3840 x 2160) DSC gaming monitor with 144 Hz refresh rate for super-smooth gaming visuals
9.8
2Philips21% OffPhilips 40B1U5600-40 Inch Wqhd Monitor, 120Hz, Ips, 4Ms, Usb-C Pd 100W, Multiview, Hdr 400, Speakers, Power Sensors, Height Adjust (3440 X 1440 @ 120Hz, 500 Cd/M², Hdmi 2.0 / Dp 1.4 / Usb-C)
Why we love it
USB C power delivery
Energy saving features
Vivid HDR visuals
Main highlights- VESA-certified DisplayHDR 400 delivers a significant step-up from normal SDR displays. Unlike, other 'HDR compatible' screens, true DisplayHDR 400 produces astonishing brightness, contrast and colors. With global dimming and peak brightness up-to 400 nits, images come to life with notable highlights while featuring deeper, more nuanced blacks. It
- This Philips display features a USB type-C connector with power delivery. Withintelligent and flexible power management, you can power charge your compatible device directly. Its slim, reversible USB-C allows for easy, one-cable connection.
- PowerSensor is a built-in 'people sensor' that transmits and receives harmless infrared signals to determine if user is present and automatically reduces monitor brightness when user steps away from the desk, cutting energy costs by up to 75 percent and prolonging monitor life
9.7
3AOCAOC AGON AG405UXC - 40 Inch QHD Gaming Monitor, 144Hz, 1ms, 21:9, HDR400, Height Adjust, FreeSync, Gsync, PbP mode, USB-C 90w PD (3440 x 1440 144Hz, HDR400 HDMI 2.0 / DP 1.4 / USB-C / USB 3.2)
Why we love it
Ultra-wide screen for immersive gaming.
Fast 144Hz refresh rate.
Versatile connectivity options.
Main highlights- Model number: AOC AG405UXC
- Colour: black red
- 40 inch Gaming Monitor FreeSync G Sync
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.