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Samsung Odyssey G4 (LS25BG402EMXUE)
Introduction & First Impressions
Samsung continues to strengthen its presence in the gaming monitor space with the Samsung Odyssey G4 a 25-inch Full HD display built for gamers who prioritize speed and responsiveness. With model number LS25BG402EMXUE, this monitor targets competitive players looking for smooth performance without stepping into premium price territory.
At first glance, the Odyssey G4 makes a confident impression. Samsung’s design language is clearly evident clean lines, a slim profile, and a dark finish that blends effortlessly into modern gaming setups. The near-borderless design also helps create a more immersive viewing experience, especially in multi-monitor configurations.
But design is only part of the story. The real question is whether this 25-inch panel can deliver the speed, clarity, and responsiveness that today’s fast-paced games demand.
In this review, we put the LS25BG402EMXUE through its paces evaluating everything from motion performance and responsiveness to everyday usability and connectivity. Whether you’re searching for an affordable Odyssey G4 or a reliable entry into high-refresh-rate gaming, here’s what you need to know.
Full Technical Specifications
Before diving into performance, here’s a complete breakdown of the Samsung Odyssey G4’s specifications:
| Specification | Details |
|---|---|
| Model Number | LS25BG402EMXUE |
| Monitor Type | Samsung Odyssey G4 |
| Screen Size | 25″ |
| Panel Technology | IPS |
| Resolution | 1920 × 1080 (Full HD |
| Refresh Rate | Up to 240Hz |
| Response Time | 1ms (GTG) |
| Brightness | 350 nits |
| HDR Support | HDR10 |
| Connectivity | HDMI 2.0 x2, DisplayPort 1.2, Audio Out |
| Colour | Black |
| Category | Full HD Gaming Monitor |
| Segment | Gaming (Odyssey Series) |
Design & Build Quality
The Samsung Odyssey G4 LS25BG402EMXUE arrives in Samsung’s signature black finish, giving it a clean and understated look that fits well into both gaming and everyday setups. The slim-bezel design is one of the first things you’ll notice with thin bezels on the top and sides, the 25-inch panel feels immersive without taking up unnecessary desk space.
Around the back, the monitor maintains a tidy and functional layout, with well-placed ports, basic cable management, and support for VESA mounting. This makes it easy to integrate into a more customized setup using a monitor arm or wall mount.
The included stand is primarily plastic but feels stable and well-built, offering a reassuring level of sturdiness during everyday use. Overall, the build quality is consistent with Samsung’s reputation — solid, reliable, and free from unwanted wobble.
Ergonomics
Unlike many gaming monitors in this price range, the Odyssey G4 offers a surprisingly strong ergonomic setup. The stand supports height adjustment, tilt, swivel, and pivot, allowing you to fine-tune the monitor to your preferred viewing position.
This flexibility makes it suitable for longer gaming sessions, as well as general desk use. The addition of portrait mode is a nice bonus for users who occasionally switch to productivity tasks.
Display Performance
Colour Accuracy & Vibrancy
The IPS panel at the heart of the Samsung Odyssey G4 LS25BG402EMXUE delivers solid colour reproduction with wide viewing angles, making it suitable for both gaming and everyday use. Colours appear vibrant and punchy out of the box, with tuning that leans slightly toward entertainment rather than strict colour accuracy.
Resolution & Sharpness
With a 1920 × 1080 (Full HD) resolution on a 25-inch panel, the Odyssey G4 prioritizes performance over pixel density. While it doesn’t offer the sharpness of QHD displays, it allows for significantly higher frame rates which is exactly what competitive gamers need.
Motion Handling & Refresh Rate
This is where the Odyssey G4 truly shines. With a 240Hz refresh rate and a 1ms response time, fast-moving content appears exceptionally smooth and responsive. Motion clarity is excellent, with minimal blur, making it ideal for fast-paced games like FPS and esports titles.
Key Features
Competitive Gaming
Fast-Paced FPS Titles
RPG & Adventure Gaming
Streaming & Everyday Use
IPS Panel Technology — Delivers vibrant colours and wide viewing angles for both gaming and general use
Full HD Resolution (1920 × 1080) — Optimized for high frame rates and competitive performance rather than maximum sharpness
240Hz Refresh Rate — Ultra-smooth motion that gives a clear advantage in fast-paced games
Connectivity — HDMI 2.0 x2, DisplayPort 1.2, Audio Out
AMD FreeSync Premium & NVIDIA G-Sync Compatible — Reduces screen tearing and stuttering for smoother gameplay
Eye Comfort Features — Flicker-free technology and Eye Saver Mode reduce strain during long sessions
HDR10 Support — Adds improved contrast for supported content (basic HDR performance)
Who Should Buy the Samsung Odyssey G4?
The Samsung Odyssey G4 LS25BG402EMXUE is a great fit if you fall into any of the following categories:
Competitive Gaming — With a 240Hz refresh rate and 1ms response time, it delivers the speed and responsiveness needed for fast-paced, competitive play.
Fast-Paced FPS Titles — Games like Valorant, CS2, and Warzone benefit from the ultra-smooth motion and reduced blur, helping you react quicker in high-pressure situations.
RPG & Adventure Gaming — While built for speed, the IPS panel still provides vibrant colours and good viewing angles for immersive single-player experiences.
Streaming & Everyday Use — The combination of smooth performance and solid visuals makes it suitable for content consumption and general use beyond gaming.
How Does It Compare to Similar Monitors?
Context is everything when choosing a gaming monitor. Here’s how the Samsung Odyssey G4 LS25BG402EMXUE stacks up against some of its closest rivals:
| Model | Key Specs | How It Compares |
|---|---|---|
| Samsung Odyssey G4 (LS25BG402EMXUE) | 25″, IPS, FHD, 240Hz | Our Pick — excellent balance of speed, ergonomics, and reliability |
| LG 25GP75G-B | 25″, IPS, 240Hz | Similar speed; LG leans slightly toward color tuning |
| AOC 25G3ZM | 25″, 240Hz gaming | Comparable performance; more budget-oriented build |
| Gigabyte M27Q | 27″, IPS, QHD, 170Hz | Higher resolution; slightly lower refresh rate |
“The Odyssey G4 stands out with its combination of 240Hz performance, strong ergonomic support, and Samsung’s consistent build quality factors that matter in long-term daily use.”
Frequently Asked Questions
Is the Samsung Odyssey G4 good for competitive gaming?
Yes the Samsung Odyssey G4 LS25BG402EMXUE is built specifically for competitive gaming. With a 240Hz refresh rate and 1ms response time, it delivers the speed and responsiveness needed for fast-paced titles like FPS and esports games. The IPS panel also ensures consistent visuals during gameplay.
Does the Samsung LS25BG402EMXUE support HDR?
Yes, the LS25BG402EMXUE supports HDR10, which enhances contrast and dynamic range in supported content. However, HDR performance is fairly basic, as expected in this class of monitor.
What ports and connectivity options does it offer?
The Odyssey G4 includes HDMI 2.0 (x2), DisplayPort 1.2, and an audio out jack. This setup covers most gaming and everyday connectivity needs.
Is the Samsung Odyssey G4 compatible with Mac and Windows?
Yes the monitor works with both macOS and Windows systems via HDMI or DisplayPort. While it doesn’t include USB-C, compatibility remains broad for most devices.
How does the Samsung Odyssey G4 compare to similar gaming monitors?
The Odyssey G4 competes strongly in the Full HD high-refresh-rate gaming monitor category. Compared to alternatives from LG, AOC, and Gigabyte, it offers an excellent balance of 240Hz performance, IPS panel quality, and solid ergonomics at a competitive price.