iiyama G-Master GB2790QSU-B5 Gaming Monitor Review: 240Hz WQHD Powerhouse
iiyama G-Master GB2790QSU-B5 Gaming Monitor Review: 240Hz WQHD Powerhouse
Table of Contents:
Introduction
The iiyama G-Master GB2790QSU-B5 is a high-performance gaming monitor designed to cater to serious gamers seeking an immersive and responsive visual experience. Boasting a 27-inch WQHD (2560 x 1440) display with a rapid 240Hz refresh rate and a 1ms response time, this monitor promises to deliver smooth, tear-free gameplay with minimal motion blur. Coupled with AMD FreeSync Premium technology, the GB2790QSU-B5 aims to eliminate screen tearing and stuttering, enhancing the overall gaming experience.
In this comprehensive review, we’ll delve into the features, performance, and overall value proposition of the iiyama G-Master GB2790QSU-B5. Through rigorous testing and real-world usage, we aim to provide you with an unbiased assessment of this gaming monitor and help you determine if it’s the right fit for your needs.
Features
The iiyama G-Master GB2790QSU-B5 comes packed with features designed to enhance your gaming experience:
- Fast IPS Panel: The GB2790QSU-B5 utilizes a Fast IPS panel, known for its excellent color accuracy, wide viewing angles, and faster response times compared to traditional IPS panels.
- 240Hz Refresh Rate: The monitor boasts a lightning-fast 240Hz refresh rate, delivering ultra-smooth visuals and reducing motion blur, especially in fast-paced games.
- 1ms Response Time (MPRT): With a 1ms response time (MPRT), the GB2790QSU-B5 minimizes ghosting and motion blur, resulting in clearer and more responsive gameplay.
- AMD FreeSync Premium: FreeSync Premium technology ensures tear-free and stutter-free gaming by synchronizing the monitor’s refresh rate with your graphics card’s output.
- HDR400 Support: HDR400 compatibility provides enhanced contrast and color depth, creating a more immersive and visually impactful gaming experience.
- Extensive Connectivity: The monitor offers a wide range of connectivity options, including HDMI 2.0, DisplayPort 1.4, and two USB 3.2 ports.
- Ergonomic Adjustments: The GB2790QSU-B5 allows for height, tilt, and pivot adjustments, enabling you to customize the monitor’s position for optimal comfort.
Specifications
| DISPLAY CHARACTERISTICS | |
|---|---|
| Diagonal | 27″, 68.5cm |
| Panel | Fast IPS, matte finish |
| Native resolution | 2560 x 1440 @240Hz (3.7 megapixel WQHD, DisplayPort) |
| Aspect ratio | 16:9 |
| Panel brightness | 400 cd/m² |
| Static contrast | 1000:1 |
| Advanced contrast | 80M:1 |
| Response time (MPRT) | 1ms |
| Viewing zone | horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
| Colour support | 16.7mln 8bit |
| Horizontal Sync | 31 – 352kHz |
| Viewable area W x H | 596.7 x 335.7mm, 23.5 x 13.2″ |
| Pixel pitch | 0.233mm |
| Colour | matte, black |
| INTERFACES / CONNECTORS / CONTROLS | |
| Signal input | HDMI x1 (v.2.0 max. 2560 x 1440 @144Hz), DisplayPort x1 (v.1.4 max. 2560 x 1440 @240Hz) |
| USB HUB | x2 (v.3.2 (Gen 1, 5Gbit; DC5V, 900mA)) |
| HDCP | yes |
| Headphone connector | yes |
| FEATURES | |
| Blue light reducer | yes |
| Flicker free | yes |
| Adaptive Sync support | FreeSync Premium – HDMI: 2560 x 1440 @48-144Hz, DP: 2560 x 1440 @48-240Hz |
| HDR | HDR400 |
| OSD languages | EN, DE, FR, ES, IT, RU, JP, CZ, NL, PL |
| Control buttons | Power, Menu/Select, +/Volume, -/i-Style, Exit/ECO, Input Select |
| User controls | picture adjust, input select, audio adjust, store user settings, colour settings, image adjust, language, setup menu, display information, reset |
| Speakers | 2 x 2W |
| Convenience | Kensington-lock™ prepared, DDC2B, Mac OSX |
| MECHANICAL | |
| Display position adjustments | height, pivot (rotation), tilt |
| Height adjustment | 150mm |
| Rotation (PIVOT function) | 90° |
| Tilt angle | 23° up; 5° down |
| VESA mounting | 100 x 100mm |
| Cable management system | yes |
| ACCESSORIES INCLUDED | |
| Cables | power, USB, HDMI, DP |
| Other | quick start guide, safety guide |
| POWER MANAGEMENT | |
| Power supply unit | internal |
| Power supply | AC 100 – 240V, 50/60Hz |
| Power usage | 33W typical, 0.5W stand by, 0.5W off mode |
| SUSTAINABILITY | |
| Regulations | CE, TÜV-Bauart, EAC, PSE, RoHS support, ErP, WEEE, VCCI, REACH, UKCA |
| Energy efficiency class | G |
| REACH SVHC | above 0.1%: Lead |
| DIMENSIONS / WEIGHT | |
| Product dimensions W x H x D | 614 x 400 (550) x 214mm |
| Box dimensions W x H x D | 692 x 506 x 207mm |
| Weight (without box) | 5.7kg |
| Weight (with box) | 7.7kg |
| EAN code | 4948570121939 |
Performance
The iiyama G-Master GB2790QSU-B5 delivers on its promises of a smooth and responsive gaming experience. The 240Hz refresh rate combined with the 1ms response time effectively reduces motion blur and ghosting, making fast-paced games feel incredibly fluid. The Fast IPS panel also contributes to a superior visual experience with vibrant colors and excellent viewing angles.
I tested the GB2790QSU-B5 with a variety of games, including competitive shooters like Valorant and Overwatch, as well as more demanding titles like Cyberpunk 2077 and Red Dead Redemption 2. In all cases, the monitor performed exceptionally well, providing a visually stunning and immersive experience.
The AMD FreeSync Premium technology worked flawlessly, eliminating screen tearing and stuttering across all games. The HDR400 support, while not the most advanced HDR implementation, still provided noticeable improvements in contrast and color depth, enhancing the overall visual impact of games.
Pros & Cons
Here are the key pros and cons of the iiyama G-Master GB2790QSU-B5:
Pros:
- Excellent 240Hz refresh rate and 1ms response time for smooth and responsive gameplay.
- Fast IPS panel delivers vibrant colors and wide viewing angles.
- AMD FreeSync Premium eliminates screen tearing and stuttering.
- HDR400 support enhances contrast and color depth.
- Ergonomic adjustments for optimal comfort.
- Extensive connectivity options.
Cons:
- HDR400 support is not as advanced as higher-end HDR implementations.
- Speakers are only 2W and lack sufficient volume and bass.
Final Verdict
The iiyama G-Master GB2790QSU-B5 is a powerful gaming monitor that delivers a truly impressive visual experience. With its high refresh rate, fast response time, and AMD FreeSync Premium technology, this monitor is ideal for gamers seeking competitive edge and a smooth, tear-free experience. While the HDR support and speakers could be improved, the GB2790QSU-B5 offers excellent value for its price and is a great choice for those looking for a high-performance gaming monitor.
