Technology & Electronics / Displays
Last updated: Written by: Rafael Rocha

The 5 Best Computer Monitors Size for Gaming

How far is your face from the screen? That matters more than choosing the largest diagonal you can afford. At a shallow desk, 24 inches lets your eyes scan the whole game quickly; 27 inches is a flexible middle ground; 32 inches needs more depth, and a 45-inch ultrawide can dominate the room. Resolution has to rise with size if you care about sharp text between games.

This is a size guide, so each monitor represents a different desk decision. The 23.8-inch 24G42HE is the compact choice; ASUS's 27-inch OLED is the balanced enthusiast pick. LG's 32-inch OLED needs more room and GPU power, Alienware goes ultrawide at 34 inches, and the 45-inch LG is a specialist setup rather than a default upgrade.

Our top 5 computer monitors size for gaming

Swipe to compare price, rating and best use →

Five products compared by price, rating and best use.
ProductPriceRatingBest for
01ASUS ROG XG27AQDMG 27 Inch 1440p 240Hz Glossy OLED Gaming Monitor | Custom Heatsink, Anti-Flicker, Uniform Brightness, 0.03ms, G-SYNC Compatible, 99% DCI-P3, for PS5 and Xbox product image from AmazonASUS ROG Strix OLED XG27AQDMGDetails ↓$567.89
4.4/5Amazon
Best 27-inch balance
02AOC 24" Gaming Monitor FHD 200Hz IPS NVIDIA G-SYNC Compatible 0.3ms 24G42HE | 1920x1080 Computer Monitor, LED, HDR 10, High-Speed FPS Gaming, Audio Earphone out, VESA Mount, 3-Year Warranty product image from AmazonAOC 24G42HE 23.8-inch IPS Gaming MonitorDetails ↓$99.99
4.6/5Amazon
Best compact 24-inch desk
03LG 32GX870A-B 32-inch Ultragear 4K UHD (3840 x 2160) OLED Gaming Monitor, Dual-Mode, 240Hz, 0.03ms, NVIDIA, AMD FreeSync Premium Pro, VESA DisplayHDR True Black 400, USB Type-C, DP2.1 product image from AmazonLG UltraGear 32GX870A-BDetails ↓$869.00
4.3/5Amazon
Best spacious 32-inch 4K
04Alienware 34 240Hz QD-OLED Curved Gaming Monitor - AW3425DW - 34.2-inch WQHD (3440 x 1440) 0.03ms Display, 1800R Curve, AMD FreeSync Premium Pro, VESA AdaptiveSync, DisplayHDR TrueBlack 400 product image from AmazonAlienware AW3425DW QD-OLEDDetails ↓$699.99
4.5/5Amazon
Best 34-inch ultrawide layout
05LG 45GX950A-B 45-inch Ultragear 5K2K WUHD (5120 x 2160) OLED Curved Gaming Monitor, Dual-Mode, 165Hz, 0.03ms, NVIDIA G-Sync, AMD FreeSync Premium Pro, HDR True Black 400, USB Type-C 90W, DP2.1 product image from AmazonLG UltraGear 45GX950A-BDetails ↓$1,549.99
4.3/5Amazon
Best specialist 45-inch cockpit
ASUS ROG XG27AQDMG 27 Inch 1440p 240Hz Glossy OLED Gaming Monitor | Custom Heatsink, Anti-Flicker, Uniform Brightness, 0.03ms, G-SYNC Compatible, 99% DCI-P3, for PS5 and Xbox product image from Amazon

01 — ASUS

Best 27-inch balance

ASUS ROG Strix OLED XG27AQDMG

4.4/5Amazon
$567.89In Stock

At a normal desk depth, I would start with a 27-inch class screen because it gives games room to breathe without forcing a lot of head movement. ASUS pairs that footprint with 1440p and a fast OLED panel for buyers who can justify the premium.

It leads this size-focused list because the dimensions work in more setups than a giant ultrawide. It is not the cheap answer, and OLED image care matters if the same screen shows fixed work panels all day.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

A typical desk with premium 1440p gaming.

Skip it if

You need the cheapest compact screen.

What I like

+Flexible 27-inch class footprint.

What to weigh

−Premium OLED cost and care.

Model
XG27AQDMG
Panel
26.5-inch viewable glossy WOLED
Resolution
2560 x 1440
Refresh rate
240Hz
Response
0.03ms GtG
Color
99% DCI-P3
AOC 24" Gaming Monitor FHD 200Hz IPS NVIDIA G-SYNC Compatible 0.3ms 24G42HE | 1920x1080 Computer Monitor, LED, HDR 10, High-Speed FPS Gaming, Audio Earphone out, VESA Mount, 3-Year Warranty product image from Amazon

02 — AOC

Best compact 24-inch desk

24G42HE 23.8-inch IPS Gaming Monitor

4.6/5Amazon
$99.99In Stock

A 23.8-inch panel keeps the full play area in view when the desk is shallow or the player sits close. This IPS model uses 1080p and a listed refresh rate up to 200Hz, a more realistic load for a modest graphics card than 4K.

It is second because compact size is a real advantage for some players, but the smaller canvas and 1080p workspace limit its appeal for editing or multitasking. The stand only tilts, so check eye level before buying.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

Shallow desks and modest PCs.

Skip it if

You need a large multitasking canvas.

What I like

+Compact fast screen at low cost.

What to weigh

−1080p area and basic stand.

Format
Flat gaming monitor
Size
23.8 inches
Resolution
1920 × 1080
Panel
IPS
Refresh
Up to 200Hz
Inputs
HDMI 2.0 and DisplayPort 1.4
Stand
Tilt; no pivot or swivel
LG 32GX870A-B 32-inch Ultragear 4K UHD (3840 x 2160) OLED Gaming Monitor, Dual-Mode, 240Hz, 0.03ms, NVIDIA, AMD FreeSync Premium Pro, VESA DisplayHDR True Black 400, USB Type-C, DP2.1 product image from Amazon

03 — LG

Best spacious 32-inch 4K

LG UltraGear 32GX870A-B

4.3/5Amazon
$869.00In Stock

LG's 31.5-inch OLED fits someone who sits farther back and wants a noticeably larger 4K view. I would test the planned desk distance with a cardboard rectangle; a screen this wide can feel too close on a narrow table.

It ranks third because the 4K 240Hz mode demands a capable PC and a large budget, while the faster 1080p mode sacrifices sharpness at this size. Buy it when both the space and the computer can use it.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

A deep desk and powerful 4K gaming PC.

Skip it if

You sit close on a narrow desk.

What I like

+Large high-resolution OLED canvas.

What to weigh

−Cost and GPU demand rise sharply.

Model
32GX870A-B
Panel
31.5-inch OLED
Resolution
3840 x 2160
Dual mode
4K 240Hz or FHD 480Hz
Response
0.03ms GtG
Color
98.5% DCI-P3
Alienware 34 240Hz QD-OLED Curved Gaming Monitor - AW3425DW - 34.2-inch WQHD (3440 x 1440) 0.03ms Display, 1800R Curve, AMD FreeSync Premium Pro, VESA AdaptiveSync, DisplayHDR TrueBlack 400 product image from Amazon

04 — Alienware

Best 34-inch ultrawide layout

Alienware AW3425DW QD-OLED

4.5/5Amazon
$699.99In Stock

Alienware's curved 34.2-inch panel changes the shape of the desk more than a conventional 32-inch screen does. Its 21:9 layout can make supported games immersive while leaving room for side-by-side windows afterward.

It is fourth because 3440-by-1440 is a different compatibility choice, not just 'bigger 27-inch.' Check your games, desk width and video habits; some content shows black bars, and the OLED panel needs the usual static-image care.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

A wide desk and supported ultrawide games.

Skip it if

You mostly play titles locked to 16:9.

What I like

+Broad 21:9 game view.

What to weigh

−Compatibility and desk-width demands.

Model
AW3425DW
Panel
34.2-inch QD-OLED
Resolution
3440 x 1440
Aspect ratio
21:9
Refresh rate
240Hz
Curve
1800R
LG 45GX950A-B 45-inch Ultragear 5K2K WUHD (5120 x 2160) OLED Curved Gaming Monitor, Dual-Mode, 165Hz, 0.03ms, NVIDIA G-Sync, AMD FreeSync Premium Pro, HDR True Black 400, USB Type-C 90W, DP2.1 product image from Amazon

05 — LG

Best specialist 45-inch cockpit

LG UltraGear 45GX950A-B

4.3/5Amazon
$1,549.99Only 1 left in stock - order soon.

A 45-inch 21:9 OLED is for a dedicated gaming station, not a screen to squeeze between notebooks on a shared desk. The 5120-by-2160 resolution offers more pixels than the 34-inch Alienware and demands correspondingly serious graphics hardware.

It is fifth because its size, price and 165Hz native refresh narrow the audience dramatically. I would map the full width and viewing distance before ordering, then make sure my most-used games and ports support the intended mode.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

A dedicated large ultrawide gaming setup.

Skip it if

You have a normal shallow desk.

What I like

+Huge high-resolution OLED view.

What to weigh

−Very high cost and space demand.

Resolution
5120 x 2160 at 165Hz
Panel
45-inch OLED
Aspect ratio
21:9
Pixel density
125 PPI
Response
0.03ms GtG
Connectivity
DP 2.1, 2x HDMI 2.1, USB-C 90W
Price information

Amazon price and availability checked Oct 17, 2026, 10:25 PM Lisbon time. Prices and availability are subject to change; the information shown on Amazon.com at purchase applies.

Our process

How we picked.

We compare five relevant products for different needs, using documented specifications, clear use cases and practical trade-offs. Our goal is to make the differences clear and help you choose with confidence.

  • 01
    Relevance

    Each product must fit the guide’s intended use, audience and requirements.

  • 02
    Specifications

    We compare the key product details that meaningfully affect the buying decision.

  • 03
    Use case and fit

    We compare the intended use, configuration and practical fit of every selected product.

  • 04
    Strengths and limitations

    We explain where each option performs best and the compromises to consider.

Read our full methodology →

Good questions

FAQ — Computer Monitors Size for Gaming

01Is 27 inches the safest gaming monitor size?+

For many desks it is a flexible starting point, but viewing distance, resolution, game type and desk depth matter more than a universal number.

02Will a larger monitor make my games sharper?+

No. A larger panel with the same pixel count has lower pixel density. Compare resolution and viewing distance as well as diagonal size.

The short answer

Start with the ASUS ROG Strix OLED XG27AQDMG.

I recommend it for a typical desk with premium 1440p gaming. Choose something else if you need the cheapest compact screen.

View on Amazon ↗