24.5″ Asus ROG Strix XG259CMS – Specs & Features
The Asus ROG Strix XG259CMS is a 24.5-inch Full HD Monitor designed for gaming. It features a IPS (AU Optronics) panel for accurate colours and wide viewing angles. The Monitor is suitable for gaming and fast-paced content and includes 48 Hz - 310 Hz refresh rate and DisplayPort/USB-C connectivity. However, it may not be ideal for blacks appear grey in dark environments compared to OLED or VA. It scores Great — 8.2/10 across our display performance benchmarks.
- IPS (AU Optronics) panel delivers consistent colour accuracy across a 178° horizontal and vertical viewing angle.
Scores and analysis are based on DisplayInput – Monitor & TV Specs Comparison's display benchmark methodology across 6 verified specifications. Data sourced from Asus's official specifications and independent lab measurements.
Display Performance
110% sRGB = 79% DCI-P3 — same gamut, different scale.
Who Should Buy the Asus ROG Strix XG259CMS
Real-World Use Cases
Pros & Cons
- Fast IPS panel IPS color accuracy combined with accelerated response time for gaming
- HDR support (HDR10 / DisplayHDR 400) wider luminance range for more lifelike content
- Full HD at 89 PPI clear image for everyday computing, gaming and media consumption
- 310Hz high refresh rate butter-smooth motion for fast-paced competitive gaming
- ELMB Sync technology combines motion blur elimination with variable refresh rate simultaneously
- IPS contrast (1000 : 1) blacks appear grey in dark environments compared to OLED or VA
- Full HD resolution adequate for the size but detail is limited vs QHD alternatives
- No Thunderbolt 4 USB-C available but lacks 40 Gbps bandwidth and high-wattage charging
- No built-in speakers a separate audio solution is required for sound output
- Entry-tier DisplayHDR 400 modest HDR improvement without meaningful local dimming
Score & Ratings
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brand | Asus | |
| Model | ROG Strix XG259CMS | |
| Series | ROG Strix | |
| Model Alias | - | |
| Model Year | 2024 |
✓ Good 2024 — recent model. Most modern features included.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Size Class | 24.5-inch |
△ Average 24" — standard monitor. Efficient for focused work; compact desk footprint.
|
| Panel Type | IPS (AU Optronics) |
✓ Good IPS — consistent colour accuracy across 178° viewing angle. No colour shift when viewed from the side.
|
| Curvature | -- | |
| Resolution | 1920 x 1080 |
△ Average Full HD (1920×1080) — adequate up to 24–27". Pixels become visible on larger panels at close range.
|
| Aspect Ratio | 1.778:1 | |
| Pixel Density | 89 PPI |
△ Average 89 PPI — standard TV density. Fine from 2m+; pixels visible up close.
|
| Pixel Pitch | 0.283 mm (millimeters) |
△ Average 0.283 mm (millimeters) pitch — standard. Pixels become visible on close inspection of large panels.
|
| Display Area | 88.73 % (percent) |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Color Depth | 8 bits |
△ Average 8-bit — 16.7 million colours. Fine for SDR and everyday use; banding may appear in HDR gradients.
|
| Colors | 16777216 colors |
△ Average 16.7 million colours (8-bit) — standard for SDR; gradient banding may appear in HDR.
|
| sRGB | 110% |
✓ Good 110% sRGB — virtually complete coverage. Colour output matches what clients and printers receive exactly.
|
| DCI-P3 Coverage | - |
DCI-P3 coverage not published by the manufacturer for this model.
|
| HDR Support | HDR10 DisplayHDR 400 |
△ Average HDR10 — universal HDR baseline. Supported by all streaming services, games, and HDR discs.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brightness (Typical) | 400 cd/m² |
△ Average 400 cd/m² — adequate for bright rooms and entry HDR. Standard office use is comfortable.
|
| Peak Brightness | - |
OLED brightness varies per pixel and scene. Manufacturers often omit a fixed nit figure; contrast quality exceeds most LED panels anyway.
|
| Contrast | 1000 : 1 |
△ Average 1000 : 1 — standard IPS-level. Blacks appear slightly grey in very dark rooms.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Refresh Rate | 48 Hz - 310 Hz |
✓ Good 240Hz — built for competitive gaming (CS2, Valorant, Apex). Motion blur is virtually eliminated at this rate.
|
| Response Time | 1 ms (GtG) |
✓ Good 1 ms (GtG) GtG — near-instant pixel transitions. Ghosting is invisible even in fast esports.
|
| Adaptive Sync | AMD FreeSync Premium NVIDIA G-Sync Compatible |
✓ Good FreeSync Premium — tear-free gaming with LFC (prevents judder below minimum Hz). Works on AMD and NVIDIA GPUs.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Advanced Display Technologies | Panel Technology: - Backlight: W-LED Viewing Angles: 178° / 178° (H / V) MPRT Response: - Dynamic Contrast: 120000000 : 1 Input Lag: - Screen Coating: Anti-glare/Matte (3H) |
Anti-glare matte coating. 178° wide viewing angles.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Camera | No |
⚠ Limited No built-in camera. An external webcam is needed for video calls.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Audio | 3.5 mm Audio Out |
3.5mm headphone/audio output — connects wired headphones or routes audio to external speakers.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Ports | 1 x USB 3.1 (Type-C; upstream; 7.5W; DP Alt Mode) 1 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out High-bandwidth Digital Content Protection (HDCP) 2.2 |
✓ Good USB-C (single-cable display + data, charging if PD supported). HDMI 2.0 — 4K@60Hz max bandwidth. DisplayPort 1.4 — full bandwidth for high-refresh PC gaming.
|
| Wireless | - |
| Specification | Value | 💡 What It Means |
|---|---|---|
| VESA Mount | 100 x 100 mm |
✓ Good VESA-compatible — fits any standard monitor arm, desk mount, or wall bracket. No proprietary hardware needed.
|
| Height Adjustment | 120 mm |
✓ Good 120 mm height range — excellent ergonomics. Adapts to any chair height or desk setup.
|
| Pivot | ±90° |
✓ Good Pivot — screen rotates 90° to portrait. Ideal for code, reading documents, or social feeds.
|
| Swivel | ±45° |
✓ Good Swivel — rotates left and right without moving the base. Easy screen sharing or multi-person viewing.
|
| Tilt | -5° to +20° |
✓ Good Tilt ±5° — adjustable screen angle reduces neck strain and matches your eye level.
|
| Removable Stand | Yes |
✓ Good Stand detaches cleanly from the panel — mount on any VESA arm or wall bracket without a leftover collar.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Gaming Features | Adaptive-Sync technology AI GamePlus AMD FreeSync Premium Dynamic Crosshair Dynamic Shadow Boost Extreme Low Motion Blur Sync (ELMB Sync) Fast IPS NVIDIA G-Sync Compatible Trace Free Technology Variable Overdrive 2.0 VESA AdaptiveSync Display 310Hz |
✓ Good NVIDIA G-Sync Compatible (tear-free). AMD FreeSync (tear-free).
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Operating System | - |
No smart OS — this is a PC monitor. All input comes from connected computers or consoles.
|
| Smart Features | Asus DisplayWidget Center Flicker-free technology Game Visual HDR Mode Low Blue Light Wide Color Gamut |
✓ Good Asus DisplayWidget Center
Flicker-free technology
Game Visual
HDR Mode
Low Blue Light
Wide Color Gamut — software features including OSD controls and display calibration tools.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Voltage | 100–240V |
✓ Good Universal or wide-range power supply. Compatible with outlets in the US, UK, EU, and most countries.
|
| Frequency | 50/60Hz |
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
|
| Average Consumption | 18.7W |
✓ Good 18.7W — very energy efficient. Low electricity cost even for all-day use.
|
| Maximum Consumption | - |
Peak power draw not published. Typically 2–3× the average consumption figure.
|
| Standby | 0.3W |
✓ Good 0.3W standby — near-zero idle power. Excellent energy compliance.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Certificates | TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified |
✓ Good CE — meets EU safety & electromagnetic standards.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Without Stand Width | 558.0 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Height | 332.0 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Depth | 57.0 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Weight | 2.78 kg |
✓ Good 2.78 kg — lightweight; easy to position or wall-mount solo.
|
| With Stand Width | 558.0 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Height | 492.0 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Depth | 218.0 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Weight | 5.58 kg |
△ Average 5.58 kg — standard weight for this panel size.
|
| Color | Black |
Available colour finish for this unit.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Temperature | 0°C – 40°C |
Operating environment range. Keep within these limits for reliable long-term performance.
|
| Humidity | 20% – 90% |
Operating environment range. Keep within these limits for reliable long-term performance.
|