AOC 24G42E — 23.8″ Fast IPS FHD 180Hz Gaming Monitor is AOC’s performance-tier compact gaming display built for competitive and enthusiast PC gamers who demand maximum speed, accurate colour reproduction, and wide viewing angles in a space-efficient 24-inch FHD format. The 24G42E combines a Fast IPS panel — four times faster than conventional IPS — with a 180Hz refresh rate, 0.5ms MPRT / 1ms GtG response time, Adaptive-Sync (G-SYNC Compatible and AMD FreeSync), HDR10, and a wide colour gamut of 129% sRGB and 97% DCI-P3 into a monitor that delivers elite competitive performance and vivid, colour-accurate visuals simultaneously. The 3-sided frameless design, built-in earphone jack, Dial Point custom crosshair, Flicker-Free backlight, and VESA 100×100mm mount compatibility round out a feature set that positions the 24G42E as a genuinely complete gaming monitor for both desktop and multi-monitor setups.

The Fast IPS panel technology is the defining differentiator of the 24G42E — conventional IPS panels are prized for colour accuracy and 178° wide viewing angles but have historically been slower than TN panels in response time. Fast IPS closes this gap decisively, retaining the full colour quality and viewing angle advantages of IPS while operating at 1ms GtG response time — matching TN’s speed without TN’s colour limitations. At 180Hz with 0.5ms MPRT, the 24G42E provides a gaming visual experience that simultaneously exceeds the quality expectations of content creators and the speed requirements of FPS, MOBA, and battle royale competitive players. Adaptive-Sync eliminates screen tearing at all framerates between 48Hz and 180Hz without the input lag penalty of traditional V-Sync, and the 129% sRGB / 97% DCI-P3 colour coverage with Delta E < 2 accuracy ensures the monitor’s colour output is vivid, correct, and suitable for creative work alongside gaming. The internal 100–240V power supply, 19W typical power consumption, and tilt-adjustable stand complete a monitor designed for everyday desk deployment in any market and in any room.

Technical Specifications

Key Features

• Fast IPS is the panel technology that resolves the historical trade-off between speed and colour quality in gaming monitors. Conventional IPS panels have always delivered superior colour accuracy, wider colour gamut, and 178° viewing angles compared to TN panels, but their slower pixel transition speed made them less suitable for high-framerate competitive gaming. Fast IPS achieves pixel transition speeds 4× faster than standard IPS — delivering 1ms GtG response time — without sacrificing the colour accuracy, 178° viewing angles, or wide colour gamut that define IPS superiority. The 24G42E’s Fast IPS panel is the definitive answer to gamers who refuse to compromise between competitive speed and visual quality >

 180Hz Refresh Rate — Pro Gaming Standard, Ultra-Smooth Motion:

• At 180Hz, the 24G42E renders 180 complete frames per second — three times the 60fps of standard displays and 1.5 times the 120Hz of mid-range gaming monitors. Each additional frame renders with 5.56ms between frames at 180Hz versus 16.67ms at 60Hz — a difference that produces visibly smoother cursor tracking, sharper fast-moving objects on screen, and more responsive visual feedback to player inputs in fast-paced titles. In competitive FPS games, the reduced motion blur at 180Hz makes tracking fast-moving enemies and reacting to sudden movement events meaningfully easier, contributing directly to in-game performance. The 180Hz ceiling is the current pro esports standard that makes the 24G42E relevant not just for casual gaming but for players training at the competitive level >

 0.5ms MPRT / 1ms GtG Dual Response Time Specification:

• The 24G42E specifies two response time measurements that reflect different aspects of display motion performance. GtG (Grey-to-Grey) at 1ms measures the time for a single pixel to transition between two specific grey shades — the industry-standard pixel speed measurement that benchmarks panel switching capability. MPRT (Moving Picture Response Time) at 0.5ms measures motion blur as perceived during actual motion sequences — a more holistic measurement of how clear fast-moving objects appear on screen during gameplay. Together, 1ms GtG and 0.5ms MPRT confirm that the 24G42E’s Fast IPS panel transitions individual pixels quickly and renders fast-moving game sequences without the motion smear and ghosting that slower response panels produce at high framerates >

 Adaptive-Sync — G-SYNC Compatible and AMD FreeSync (48–180Hz):

• Adaptive-Sync continuously matches the monitor’s refresh rate to the exact framerate output of the connected GPU in real time — dynamically synchronising display output and graphics card output frame by frame. When the GPU renders a frame, the monitor refreshes at that precise moment rather than at a fixed interval, eliminating screen tearing caused by frame output and display refresh misalignment. Unlike V-Sync which also eliminates tearing but introduces input lag by queuing frames, Adaptive-Sync eliminates tearing without any input lag penalty. The 24G42E is certified G-SYNC Compatible for NVIDIA GPU users and supports AMD FreeSync for AMD Radeon users, providing Adaptive-Sync compatibility across the full spectrum of current gaming GPU platforms >

 HDR10 — Industry-Standard High Dynamic Range:

• HDR10 is the universal HDR standard supported across gaming consoles (PlayStation 5, Xbox Series X), PC games, and streaming services. With HDR10 active, the 24G42E renders a significantly wider range of brightness levels between the darkest shadows and brightest highlights simultaneously — shadow detail becomes visible in dark game environments without washing out bright elements, and high-contrast scenes display the full range of visual information the game engine intends. The 300 cd/m² peak brightness and high dynamic contrast ratio provide the luminance range that makes HDR10 content visually impactful on the 24G42E’s Fast IPS panel >

 129% sRGB / 97% DCI-P3 Wide Colour Gamut — Delta E < 2 Factory Accuracy:

• The 24G42E’s Fast IPS panel covers 129% of the sRGB colour space and 97% of the professional DCI-P3 cinema standard — meaning it can reproduce colours beyond the standard sRGB gamut that most monitors are limited to, making game environments, character skins, environmental textures, and cinematic content appear more vivid, saturated, and true to the original creative intent. Delta E < 2 factory colour accuracy confirms the panel’s colour output matches the reference standard within a threshold that is considered accurate for professional creative use — the colours the 24G42E displays are the colours the content creator intended, not a shifted or inaccurate approximation >

 Flicker-Free DC Backlight — Eye Comfort for Long Sessions:

• The 24G42E uses a DC (Direct Current) backlight system rather than the PWM (Pulse Width Modulation) dimming used by standard LED-backlit monitors. PWM-dimmed monitors strobe the backlight on and off at high frequency to simulate reduced brightness — a strobing that many users experience as eye strain, headaches, and visual fatigue during extended sessions even when the flickering is imperceptible to conscious vision. The 24G42E’s DC backlight system adjusts brightness continuously without strobing, eliminating the flicker source entirely and providing a consistently stable visual output that significantly reduces eye fatigue across long gaming and working sessions >

 Dial Point Custom Crosshair — Precision Aiming Aid for FPS Games:

• The Dial Point feature provides a selection of custom on-screen crosshair overlays that are displayed on the monitor independently of the game — persistent, always-visible crosshair markers that appear regardless of whether the game’s own crosshair is visible or suitable. In FPS games where hipfire accuracy is important, where the game’s crosshair is small or poorly visible against bright backgrounds, or where competitive players want a consistent reference point that the game’s crosshair does not provide, the Dial Point custom crosshair provides a selectable precision aiming reference that improves hipfire and situational awareness performance >

 178° Wide Viewing Angles — Consistent Colour from Any Position:

• The Fast IPS panel’s 178° horizontal and vertical viewing angles mean the 24G42E’s colour, contrast, and brightness output remains consistent when viewed from extreme off-axis positions — the picture quality does not shift, wash out, or darken when viewed from the sides, from below, or when multiple people view the screen simultaneously from different positions. This is the fundamental advantage of IPS technology over TN panels, which exhibit significant colour shift at even moderate off-axis angles, and makes the 24G42E visually consistent whether viewed in single-player seated gaming, group viewing, or multi-monitor setups where the side-angle monitors are viewed peripherally >

 HDMI 2.0 and DisplayPort 1.4 — Full 180Hz at FHD on Both Inputs:

• The 24G42E provides both HDMI 2.0 and DisplayPort 1.4 inputs — both capable of delivering the full 1920×1080 resolution at the maximum 180Hz refresh rate. HDMI 2.0 enables direct connection from modern gaming consoles (PS5, Xbox Series X) and PC systems, while DisplayPort 1.4 provides the highest-bandwidth PC GPU connection with support for high refresh rate at maximum quality settings. HDCP 2.2 on both ports ensures compatibility with content protection requirements of streaming services and Blu-ray playback. The dual-input configuration allows two systems to be connected simultaneously and switched between without cable swaps >

 3-Sided Frameless Design — Clean Aesthetics and Multi-Monitor Ready:

• The 24G42E’s 3-sided frameless bezel design minimises the visual border on the top and both sides of the screen — reducing the visual interruption between the screen surface and the surrounding desk environment, and minimising the gap between screens in dual or triple monitor setups. For multi-monitor configurations where the 24G42E is used as a side display, the reduced bezel ensures the visual gap between the primary and secondary screens is as small as physically possible, creating a more seamless extended visual field across multiple panels >

 VESA 100×100mm Mount — Full Wall Mount and Arm Compatibility:

• The removable stand and VESA 100×100mm mounting interface provide full compatibility with the entire ecosystem of VESA-standard monitor arms, wall mounts, and multi-monitor mounting solutions. VESA mounting enables height-adjustable, tilt-and-swivel positioning that the tilt-only stand cannot provide — a critical ergonomic upgrade for users who require precise monitor height adjustment for long-session comfort

User Benefits

• The 24G42E matches the display specification of esports professional setups — 180Hz and 1ms GtG Fast IPS — making it the monitor competitive players need to perform at their mechanical ceiling without being limited by display lag, motion blur, or tearing. Players upgrading from 60Hz or 75Hz displays will experience the 180Hz difference as an immediate, tangible improvement in how responsive and clear the game feels, not as a marginal incremental upgrade >

 IPS Colours Without IPS Speed Compromise:

• Gamers who have historically chosen TN panels for speed and accepted inferior colour quality — or chosen standard IPS for colour and accepted slower response — no longer face this trade-off with Fast IPS. The 24G42E delivers the 178° wide viewing angles, 129% sRGB wide colour gamut, and Delta E < 2 colour accuracy of IPS with 1ms GtG / 0.5ms MPRT response times that match or beat TN performance. Both the esports competitor who needs speed and the content creator who needs accurate colour can use the 24G42E without compromise in either direction >

 No Screen Tearing — On NVIDIA and AMD GPUs:

• Adaptive-Sync’s G-SYNC Compatible and AMD FreeSync dual certification means tearing-free gameplay is available regardless of whether the connected PC uses an NVIDIA or AMD graphics card — the full Adaptive-Sync benefit works with the GPU already in the system, with no additional hardware or compatibility concern >

 Play Longer Without Eye Fatigue — Flicker-Free DC Backlight:

• The DC backlight eliminates the primary cause of display-induced eye strain in extended gaming sessions. Players who experience eye fatigue, headaches, or discomfort after long sessions on PWM-dimmed monitors will find the 24G42E’s flicker-free output notably more comfortable — the difference is most apparent after 3–4+ hour sessions where PWM-induced fatigue would otherwise accumulate >

 See More, React Faster — 180Hz in FPS and Battle Royale:

• In fast-paced competitive titles, higher refresh rates reduce the time between when something happens in the game and when it appears on screen. At 180Hz, the maximum display latency of a single frame is 5.6ms — compared to 16.7ms at 60Hz. Combined with 0.5ms MPRT, the total visual pipeline from game event to perceived image is minimised — giving competitive players the visual reaction time advantage that separates the best displays from average ones in actual match performance >

 HDR10 Ready for PS5, Xbox Series X, and PC:

• HDR10 support means the 24G42E is compatible with the HDR output of PlayStation 5, Xbox Series X, and PC games and streaming services that support HDR10 — the content’s HDR metadata is processed and displayed correctly, delivering the intended wide-brightness-range visual experience rather than the washed-out result of feeding HDR content to a non-HDR display >

 Vivid Game Visuals — 97% DCI-P3 Wide Colour on Every Game:

• The 97% DCI-P3 colour coverage means games that use wide colour gamut assets display the full saturation and colour depth the art team intended — environments look richer, character designs more vivid, and the overall visual experience more cinematic and immersive compared to sRGB-limited monitors that cannot reproduce the extended colour range of modern game engines and film-quality rendering pipelines