Comparison between:
- 24.5" Asus ROG Strix XG256Q
- 24.5" Asus ROG Strix XG259CM
- 24.5" Dell Alienware AW2521HF
- 24.5" Dell Alienware AW2518H
Brand, series, model
Information about the brand, series, model and model aliases.
| Asus ROG Strix XG256Q | Asus ROG Strix XG259CM | Dell Alienware AW2521HF | Dell Alienware AW2518H | |
 |  |  |  | |
| Model alias | - | - | Alienware AW2521HFL AW2521HFA | - |
| Model year | 2022 | 2021 | 2020 | 2017 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 24.5 in | 24.5 in | 24.5 in | 24.5 in |
| Diagonal | 622.3 mm 62.23 cm 24.5 in 2.0417 ft | 622.3 mm 62.23 cm 24.5 in 2.0417 ft | 622.28 mm 62.228 cm 24.4992 in 2.0416 ft | 622.3 mm 62.23 cm 24.5 in 2.0417 ft |
| Width | 543.744 mm 54.3744 cm 21.4072 in 1.7839 ft | 543.744 mm 54.3744 cm 21.4072 in 1.7839 ft | 543.744 mm 54.3744 cm 21.4072 in 1.7839 ft | 543.744 mm 54.3744 cm 21.4072 in 1.7839 ft |
| Height | 302.616 mm 30.2616 cm 11.914 in 0.9928 ft | 302.616 mm 30.2616 cm 11.914 in 0.9928 ft | 302.616 mm 30.2616 cm 11.914 in 0.9928 ft | 302.616 mm 30.2616 cm 11.914 in 0.9928 ft |
| Panel manufacturer | - | LG Display | AU Optronics | AU Optronics |
| Panel model | - | LM245WF9-SSA3 | M250HAN01.7 | M250HTN01.0 |
| Panel type | IPS | IPS | AHVA IPS | TN |
| Panel bit depth | 8 bits (6 bits + FRC) | 8 bits | 8 bits | 8 bits (6 bits + FRC) |
| FRC | Yes | No | No | Yes |
| Colors | 16777216 colors 24 bits | 16777216 colors 24 bits | 16777216 colors 24 bits | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p |
| Pixel pitch | 0.283 mm 0.0283 cm 0.0111 in 0.0009 ft | 0.283 mm 0.0283 cm 0.0111 in 0.0009 ft | 0.283 mm 0.0283 cm 0.0111 in 0.0009 ft | 0.283 mm 0.0283 cm 0.0111 in 0.0009 ft |
| Pixel density | 89 ppi 35 ppcm | 89 ppi 35 ppcm | 89 ppi 35 ppcm | 89 ppi 35 ppcm |
| Display area | 89.09 % | 88.82 % | 90.11 % | 90.29 % |
| Backlight | W-LED | W-LED | W-LED | W-LED |
| sRGB | 99 % | 120 % | 99 % | - |
| NTSC (1953) | - | - | - | 72 % |
| Brightness | 400 cd/m² | 400 cd/m² | 400 cd/m² | 400 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 | 1000 : 1 | 1000 : 1 |
| Dynamic contrast | 100000000 : 1 | 120000000 : 1 | - | 50000000 : 1 |
| HDR | DisplayHDR 400 | HDR10 DisplayHDR 400 | - | - |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 170 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 160 ° |
| Minimum response time | 1 ms 0.0010 s | 1 ms 0.0010 s | 1 ms 0.0010 s | 1 ms 0.0010 s |
| Average response time | 4 ms 0.0040 s | - | - | 4 ms 0.0040 s |
| Coating | Anti-glare/Matte | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| - | - | Response time - 1 ms (Extreme mode) Response time - 2 ms (Super Fast mode) Response time - 4 ms (Fast mode) | CIE1976 - 82% CIE1931 - 72% |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 33 kHz - 206 kHz | 30 kHz - 255 kHz | 30 kHz - 255 kHz | 30 kHz - 160 kHz |
| Vertical frequency (digital) | 48 Hz - 180 Hz | 48 Hz - 240 Hz | 48 Hz - 240 Hz | 30 Hz - 240 Hz |
| DisplayPort - 33 kHz - 206 kHz; 48 Hz - 180 Hz HDMI - 22 kHz - 189 kHz; 48 Hz - 165 Hz | - | - | 1920 x 1080 @ 240 Hz |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Electric current (A) | - | 4.5 A | 1.5 A | - |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (eco) | - | - | 12.8 W | - |
| Power consumption (average) | 16 W | 18.7 W | 24 W | 26 W |
| Power consumption (maximum) | - | - | 72 W | 73 W |
| Power consumption (annual) | - | - | 55.52 kWh | - |
| Energy efficiency class | - | - | - | B |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | 558 mm 55.8 cm 21.9685 in 1.8307 ft | 558 mm 55.8 cm 21.9685 in 1.8307 ft | 556.29 mm 55.629 cm 21.9012 in 1.8251 ft | 555.8 mm 55.58 cm 21.8819 in 1.8235 ft |
| Height | 331 mm 33.1 cm 13.0315 in 1.086 ft | 332 mm 33.2 cm 13.0709 in 1.0892 ft | 328.24 mm 32.824 cm 12.9228 in 1.0769 ft | 327.9 mm 32.79 cm 12.9094 in 1.0758 ft |
| Depth | 60 mm 6 cm 2.3622 in 0.1969 ft | 59 mm 5.9 cm 2.3228 in 0.1936 ft | 72.95 mm 7.295 cm 2.872 in 0.2393 ft | 64.6 mm 6.46 cm 2.5433 in 0.2119 ft |
| Weight | 2.7 kg 5.95 lbs | 3.6 kg 7.94 lbs | 3.55 kg 7.83 lbs | 3.5 kg 7.72 lbs |
| Width with stand | 558 mm 55.8 cm 21.9685 in 1.8307 ft | 558 mm 55.8 cm 21.9685 in 1.8307 ft | 556.29 mm 55.629 cm 21.9012 in 1.8251 ft | 555.8 mm 55.58 cm 21.8819 in 1.8235 ft |
| Height with stand | 381 mm 38.1 cm 15 in 1.25 ft | 481 mm 48.1 cm 18.937 in 1.5781 ft | 421.21 mm 42.121 cm 16.5831 in 1.3819 ft | 418.4 mm 41.84 cm 16.4724 in 1.3727 ft |
| Depth with stand | 235 mm 23.5 cm 9.252 in 0.771 ft | 158 mm 15.8 cm 6.2205 in 0.5184 ft | 251.92 mm 25.192 cm 9.9181 in 0.8265 ft | 268.6 mm 26.86 cm 10.5748 in 0.8812 ft |
| Weight with stand | 5.2 kg 11.46 lbs | 6.1 kg 13.45 lbs | 7.17 kg 15.81 lbs | 7.14 kg 15.74 lbs |
| Box width | 627 mm 62.7 cm 24.685 in 2.0571 ft | 660 mm 66 cm 25.9843 in 2.1654 ft | - | - |
| Box height | 409 mm 40.9 cm 16.1024 in 1.3419 ft | 472 mm 47.2 cm 18.5827 in 1.5486 ft | - | - |
| Box depth | 247 mm 24.7 cm 9.7244 in 0.8104 ft | 210 mm 21 cm 8.2677 in 0.689 ft | - | - |
| Box weight | 7.2 kg 15.87 lbs | 8.5 kg 18.74 lbs | 11.22 kg 24.74 lbs | - |
| Stand depth | 235 mm 23.5 cm 9.252 in 0.771 ft | 248 mm 24.8 cm 9.7638 in 0.8136 ft | - | - |
| Colors | Black | Black | Dark Side of the Moon Lunar Light | Black Silver |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes | Yes |
| Height adjustment range | 110 mm 11 cm 4.3307 in 0.3609 ft | 110 mm 11 cm 4.3307 in 0.3609 ft | 130 mm 13 cm 5.1181 in 0.4265 ft | 130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape/portrait pivot | Yes | Yes | Yes | Yes |
| Left pivot | 0 ° | 0 ° | 90 ° | 90 ° |
| Right pivot | 90 ° | 90 ° | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes | Yes | Yes |
| Left swivel | 25 ° | 25 ° | 20 ° | 20 ° |
| Right swivel | 25 ° | 25 ° | 20 ° | 20 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 20 ° | 20 ° | 21 ° | 25 ° |
| ¼-inch tripod socket | Tripod socket | - | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 3.0 (Type-A; downstream) 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x USB 1.0 (Type-B; upstream) 1 x USB 3.1 (Type-C; upstream; 15W; DP Alt Mode) 2 x USB 3.1 (Type-A; downstream) 1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x USB 3.0 (Type-B; upstream) 1 x USB 3.0 (Type-A; downstream; BC 1.2 2A) 3 x USB 3.0 (Type-A; downstream) 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out (line-out) 1 x 3.5 mm Audio Out (headphones) | 1 x USB 3.0 (upstream) 3 x USB 3.0 (downstream) 1 x USB 3.0 (charge - 5V/1.5A) 1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) 2.2 | - | - |
Features
Some additional functional features of the model.
| Features | AMD FreeSync Premium Color Temperature Selection DisplayWidget Extreme Low Motion Blur Sync (ELMB Sync) Fast IPS Flicker-free technology GameFast Input GamePlus (Crosshair/Timer/FPS Counter/Display Alignment/Stopwatch) GameVisual Ultra-Low Blue light NVIDIA G-Sync Compatible Shadow Boost Trace Free Technology | Adaptive-Sync technology AMD FreeSync Premium Asus display Widget Extreme Low Motion Blue Sync (ELM Sync) Fast IPS Flicker-free technology GamePlus Game Visual HDR Mode KVM Switch Low Blue Light NVIDIA G-Sync Compatible Trace Free Technology Shado wBoost | AlienFX RGB lights AMD FreeSync Premium Flicker-free technology Low Blue Light NVIDIA G-SYNC Compatible | Flicker-free technology Nvidia G-SYNC Technology |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | BSMI CB CCC CE cTick CU eStandby ENERGY STAR FCC Class B J-MOSS KCC PSE RCM RoHS TÜV Flicker-free TÜV Low Blue Light UL/cUL VCCI WEEE WHQL | TÜV Flicker-free TÜV Low Blue Light | - | - |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | - | 20 % - 90 % | 10 % - 80 % | 10 % - 80 % |
| Operating altitude | - | 3048 m 10000 ft | 5000 m 16404.2 ft | 5000 m 16404.2 ft |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 80 °C -4 °F - 176 °F | -20 °C - 6 °C -4 °F - 42.8 °F |
| Storage humidity | - | 5 % - 90 % | 5 % - 90 % | 5 % - 90 % |
| Storage altitude | - | 12192 m 40000 ft | 12192 m 40000 ft | 12192 m 40000 ft |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | DisplayPort cable HDMI cable | Color pre-calibration report DisplayPort cable HDMI cable USB 3.0 cable USB-C cable | DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable | DisplayPort cable USB 3.0 upstream cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington | AW2521HF - Dark Side of the Moon AW2521HFL - Lunar Light | Security lock slot |
| Asus ROG Strix XG256Q | Asus ROG Strix XG259CM | Dell Alienware AW2521HF | Dell Alienware AW2518H |