10 Best 21 Inch Monitor of August 2025

• 20" Led HD+ monitor high resolution 1600 x 900
• 2 x HDMI Ports & 1 VGA Port
• Fast Response Time Playing fast action games and watching action adventure movies always require fast and accurate pixel response from an LED. With quick response times, ghosting and blurring are reduced so the user can enjoy the display with clarity and precision.
• Built-in Speakers With built-in speakers, the monitor delivers office level audio for conference calls and internet workshops. Similarly, enjoy engaging audio while listening to your favorite tunes.
• Adaptive Sync Adaptive Sync is a technology that closes the gap between the graphics card's and the monitor's refresh rates, eliminating image tearing and stuttering in the process.

Sceptre

• 21. 5 inches Full HD (1920 x 1080) widescreen IPS display
• And Radeon free Sync technology. No compatibility for VESA Mount
• Refresh Rate: 75Hz - Using HDMI port
• Zero-frame design | ultra-thin | 4ms response time | IPS panel
• Ports: 1 x HDMI & 1 x VGA
• Aspect ratio - 16: 9. Color Supported - 16. 7 million colors. Brightness - 250 nit
• Tilt angle -5 degree to 15 degree. Horizontal viewing angle-178 degree. Vertical viewing angle-178 degree
• 75 hertz

Acer

• 1920x1080 high resolution with HDMI Port
• Build-in Speakers; Tilt: 15° backward and 5° forward
• VESA Wall Mount Ready
• Wide viewing in vertical and horizontal
• Fast 5ms response time

Sceptre

• Slim Design 21.5 inch Full HD Wide Screen LED display and Quick 5 ms response time delivering smooth video display; Pixel Pitch 0.248mm; Viewing Angle (CR≧10):170°(H)/160°(V)
• Aspect Control function allows users to select a preferred display mode among Full and 4:3 for true to life gaming or movie watching without any data loss or image distortion
• Smart View Technology can adjust color parameters to deliver the same image quality and colors with straight viewing
• Splendid Video Intelligence Technology optimizes video performance and image fidelity by enhancing color, brightness, contrast, and sharpness; Compliance and Standards; EPEAT Gold Certified, Energy Star , UL/cUL, CB, CE, ErP, FCC, CCC, BSMI, Gost R, C Tick, VCCI, PSB, EK, J MOSS, RoHS, WEEE, Windows Vista and Windows 7 WHQL
• 50,000,000:1 ASUS Smart Contrast Ratio dynamically enhances the display’s contrast to delivering lifelike images; Inputs of D Sub, DVI, HDMI
• Mounting Type: VESA Compatibility; Mountable 100 x 100mm

ASUS

• THIN & LIGHTWEIGHT — HP’s thinnest LCD display to date with a sleek, lightweight design for easy mounting and moving
• RESOLUTION & PANEL — 21.5-inch Full HD monitor (1920 x 1080p @ 60 Hz) with 16:9 aspect ratio and an anti-glare matte IPS LED-backlit panel (7ms response time)
• BEZEL-LESS FRAME — A frameless ultra-widescreen provides a seamless multi-monitor set-up with 3-sided narrow bezels
• PANORAMIC VIEWING — 178° horizontal and vertical viewing angles with adjustable tilt (-5° to 25°) for more comfortable viewing
• CONNECTIVITY — 1 VGA and 1 HDMI with HDCP support for laptop or multi-monitor setups (VGA cord included)
• COLOR & QUALITY — Technicolor Color certified for color-accuracy with HP Enhance+ resolution for noise reduction to prevent picture overexposure
• CUSTOM OSD SETTINGS — Easily make room for more windows and add screen partitions with HP My Display software
• COMPATIBILITY — Plug and play for all OS such as Windows & Mac OS for laptop connectivity (NOTE: USB-C/Thunderbolt 3-to-HDMI adapters required for 2016 MacBook Pros or later)
• RESPONSIBLY MADE — Save your wallet with an ENERGY STAR certified monitor that meets strict energy-efficiency guidelines and helps reduce your carbon footprint
• WARRANTY — One-year limited warranty with 24-hour, 7 days a week web support when shipped from and sold by Amazon

HP

• 21. 5" Full HD IPS Widescreen with 1920 x 1080 resolution
• Response Time: 4ms
• Pixel Pitch: 0. 248 millimeter
• Signal Inputs: 1 x HDMI, 1 x DVI (w/HDCP) & 1 x VGA

Acer

• RESOLUTION & PANEL — 23.8-inch Full HD monitor (1920 x 1080p @ 60 Hz) with 16:9 aspect ratio and an anti-glare matte IPS LED-backlit panel (2 million pixels, 16.7 million colors)
• RESPONSE TIME — 5ms with overdrive for a smooth picture that looks crisp and fluid without motion blur
• BUILT-IN SPEAKERS — Integrated audio speakers provide great sound for your content (2 watts per channel)
• THIN BEZEL-LESS FRAME — A thin and virtually frameless ultra-widescreen monitor provides a seamless multi-monitor set-up with 3-sided narrow bezels
• 4-WAY ERGONOMIC VIEWING — 90° rotation for horizontal (landscape) and vertical (portrait) viewing modes, adjustable height and tilt (-5° to 30°), and 178° positional viewing for the best quality at any angle
• VESA MOUNTING — Mount the display on walls or brackets with a 100m VESA mounting pattern (mounting bracket not included)
• CONNECTIVITY — VGA and HDMI with HDCP support for laptop or multi-monitor setups. INCLUDES: AC power cord, VGA cable, and CD
• COMPATIBILITY — Plug and play for all OS such as Windows & Mac OS for laptop connectivity (NOTE: USB-C/Thunderbolt 3-to-HDMI adapters required for 2016 MacBook Pros or later)
• RESPONSIBLY MADE — Save your wallet with an ENERGY STAR certified monitor that meets strict energy-efficiency guidelines and helps reduce your carbon footprint
• WARRANTY — One-year limited warranty with 24-hour, 7 days a week web support when shipped from and sold by Amazon (user manuals and drivers included)

HP

• Monitor: 21.5-inch diagonal FHD (1920x1080).
• Resolution and aspect ratio: FHD and 16:9.
• Response time: 5ms.
• Ports: VGA, HDMI, and HDCP support v 1.2.
• Environmental features: Mercury-free LED backlighting, arsenic-free monitor glass, and low-voltage halogen design.
• 4 hertz

HP

• 19.5-inch (1600 x 900) Widescreen TN Display
• Response time: 5ms. Brightness: 200 cd/m²
• Pixel Pitch: 0.27mm. Input Voltage - 110 V AC, 220 V AC
• Signal inputs: 1 x DVI & 1 x VGA; Horizontal Viewing Angle: 90°

Acer

• The G-Series 21.5" LED is designed for High-Definition with a stunning 1920 x 1080 resolution
• Rapid 5ms response time reduces deviations in transition time to deliver high-quality moving images bringing immersive graphics to your movies and games
• The DVI-D input with High-bandwidth Digital Content Protection (HDCP) allows for viewing of digital movies and copy-protected media
• Signal Inputs: 1 x DVI w/HDCP & 1 X VGA. Dimensions(H x W x D): 12.28 x 20.08 x 1.26 inches (without stand), 14.4 x 20.1 x 6.7 inches(with stand)
• No HDMI Ports. VESA mounts sold separately. Stand: Tiltable (-5° to 15°). Using OSD, adjust brightness and contrast to maximum or reset to their default settings
• Signal Inputs: 1 x DVI w/HDCP & 1 X VGA. Maximum Resolution: 1920 x 1080, Standard Refresh Rate: 60 Hz. Twisted Nematic Film (TN Film) (90°x50°)
• VESA mounts Holes and HDMI Ports not included. Interfaces/Ports: DVI VGA, Standby Power Consumption: 450 mW Off-Mode Power Consumption: 400 mW

Acer