ASUS ROG Strix 23.8" Review
The ASUS ROG Strix XG249CM offers elite 270Hz speed for competitive gaming at a mid-range price, but you'll have to live with a 1080p panel that scores in the bottom quarter for display quality.
The 30-Second Version
This is a 270Hz speed demon for $299. It's in the 97th percentile for performance, making it a top choice for competitive gaming. Just know you're getting a 1080p panel with mediocre HDR, so it's a one-trick pony.
Overview
The ASUS ROG Strix XG249CM is a monitor that knows its job: pure, unadulterated speed for competitive gaming. Its 270Hz refresh rate lands it in the 97th percentile for performance in our database, which is a fancy way of saying it's faster than almost everything else out there. At $299, you're paying for that frame rate and not much else, which is a pretty clear value proposition if you're chasing leaderboards.
It's a 24-inch, 1080p IPS panel, which keeps pixel density decent at this size. The specs tell a straightforward story: 350 nits brightness, 1ms GtG response time, and G-Sync compatibility. It's not trying to be an all-rounder. Its 'display' score sits at the 24th percentile, which tells you it's focused on motion clarity over visual spectacle.
Performance
Let's talk about that 97th percentile performance score. That's the headline. A 270Hz refresh rate means this thing can display up to 270 frames per second, which is overkill for most single-player games but pure gold for competitive shooters like Valorant or CS2. The 1ms GtG response time backs that up, minimizing ghosting. Pair that with G-Sync, and you've got a setup that feels incredibly locked in and responsive.
It's an IPS panel, so you get the 178-degree viewing angles and decent color out of the box, scoring in the 91st percentile for color. But remember, the 'display' score is low (24th percentile). That's because it's a 1080p panel in a world moving to 1440p and 4K, and the 350-nit brightness is just okay for HDR. This isn't your movie-watching monitor. It's your fragging monitor.
Pros & Cons
Pros
- Blazing 270Hz refresh rate (97th percentile performance). 97th
- Excellent motion clarity with 1ms GtG response and G-Sync. 97th
- Strong color reproduction for an IPS gaming panel (91st percentile). 93th
- Good ergonomic adjustability (88th percentile) with height, tilt, and swivel. 91th
- USB-C connectivity for modern laptops, a nice touch at this price.
Cons
- 1080p resolution feels dated on a 24-inch screen (24th percentile display score). 23th
- 350-nit peak brightness is mediocre for HDR content.
- Hefty 6.6kg weight makes it less portable.
- Very low social proof score (2nd percentile) with limited review data.
- No integrated KVM switch, which some buyers expected based on the model name.
The Word on the Street
Specifications
Full Specifications
Display
| Size | 23.8" |
| Resolution | 1920 (Full HD) |
| Panel Type | IPS |
| Aspect Ratio | 16:9 |
| Curved | No |
Performance
| Refresh Rate | 270 Hz |
| Response Time | 1 |
| Adaptive Sync | FreeSync Premium |
Color & HDR
| Brightness | 350 nits |
| Color Gamut | 105% sRGB |
| HDR | HDR10 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 1 |
| DisplayPort | 1 |
| USB-C | 1 |
| Speakers | No |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | Yes |
| Pivot | Yes |
| VESA Mount | 100x100 |
Features
| Touchscreen | No |
| Weight | 6.6 kg / 14.6 lbs |
Value & Pricing
At $299, the value equation is simple: you're buying elite-tier speed for a mid-tier price. You won't find many monitors that hit 270Hz for under three hundred bucks. The trade-off is that you're accepting a 1080p panel in 2024. Compared to spending $400+ on a 1440p, 240Hz screen, this is a budget-conscious path to max frame rates. Just know exactly what you're sacrificing for that smoothness.
vs Competition
Stacked against its peers, the XG249CM carves a niche. The MSI MPG 32" 4K 240Hz is a visual powerhouse but costs more than twice as much and demands a monster GPU. The LG UltraGear 45" offers wild immersion with its ultrawide curve, but its pixel density is lower. Even the Dell UltraSharp 27" 4K is a better all-rounder for work and play. This ASUS? It's the specialist. If your sole metric is frames per dollar in competitive esports titles, it's hard to beat. But if you want higher resolution for productivity or more immersive single-player games, those competitors start looking a lot more appealing.
| Spec | ASUS ROG Strix 23.8" | LG UltraGear LG - UltraGear 27" IPS Dual Mode (4K UHD 180Hz, | MSI MAG MSI MAG 321CUP QD-OLED 31.5" 4K HDR 165 Hz Curved | Samsung Odyssey Samsung Odyssey G7 27" UHD 4K 144Hz IPS AMD | BenQ Mobiuz BenQ MOBIUZ EX271U 27" 4K HDR 165 Hz Gaming | Dell UltraSharp Dell UltraSharp U3225QE 31.5" 4K HDR 120 Hz |
|---|---|---|---|---|---|---|
| Screen Size | 23.799999237060547 | 27 | 32 | 27 | 27 | 31.5 |
| Resolution | 1920 x 1080 | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 |
| Panel Type | IPS | IPS | OLED | IPS | IPS | IPS |
| Refresh Rate | 270 | 180 | 165 | 144 | 165 | 120 |
| Response Time Ms | 1 | 1 | 0 | 1 | 1 | 5 |
| Adaptive Sync | FreeSync Premium | G-Sync Compatible | G-Sync Compatible | G-Sync Compatible | FreeSync Premium | - |
| Hdr | HDR10 | HDR10 | HDR400 | HDR10+ | HDR10 | HDR |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| ASUS ROG Strix 23.8" | 91.1 | 85.3 | 22.5 | 82.4 | 96.5 | 96.9 | 93.3 | 70.2 |
| LG UltraGear 27" Dual Mode Compare | 92 | 80.4 | 90.5 | 82.4 | 96.5 | 94.1 | 99.9 | 97.3 |
| MSI MAG 321cup Qd-oled 31.5" Compare | 99 | 8.2 | 98.7 | 97.2 | 96.5 | 99.8 | 89.4 | 99.3 |
| Samsung Odyssey G7 27" Compare | 95.1 | 78.7 | 90.5 | 82.4 | 96.5 | 90 | 98.9 | 90.6 |
| BenQ Mobiuz EX271U 27" Compare | 92 | 88.5 | 90.5 | 82.4 | 96.5 | 92.1 | 91.8 | 74 |
| Dell UltraSharp Dual 31.5" Compare | 97.6 | 72.4 | 90.5 | 82.4 | 87.8 | 58.3 | 97.2 | 90.6 |
Common Questions
Q: Is 270Hz overkill for gaming?
For most games, yes. But for competitive esports like CS2 or Valorant, every frame counts. The 97th percentile performance score means this monitor provides a tangible edge in responsiveness over more common 144Hz or 165Hz displays.
Q: How does 1080p on a 24-inch monitor look in 2024?
It's fine, but it's not sharp. The display score is in the 24th percentile for a reason. Pixel density is adequate, but you'll notice the difference immediately if you've used a 1440p or 4K screen. It's the trade-off for hitting 270Hz at this price.
Q: Is the HDR any good?
Not really. With a peak brightness of 350 nits, it technically supports HDR10, but it lacks the high contrast and local dimming needed for a true HDR experience. It's a checkbox feature, not a highlight.
Who Should Skip This
Skip this monitor if you care about resolution or all-purpose use. Its 24th percentile display score is a red flag for anyone doing content creation, productivity, or enjoying visually rich single-player games. The 1080p resolution will feel cramped and dated. Also, if portability matters, its 6.6kg weight is a brick. This is a tool for a specific task, not a daily driver.
Verdict
We can recommend the ROG Strix XG249CM, but with a very specific audience in mind. If you're a competitive gaster on a budget who plays fast-paced shooters and values every single frame over visual fidelity, this monitor delivers exceptional speed for the money. The 270Hz refresh is its killer feature. For everyone else—content creators, productivity users, or gamers who enjoy cinematic single-player experiences—the low-resolution display is a deal-breaker. Look at 1440p options instead.