AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor
Brand AOC
From
£349.00
Free delivery
You save £40.22 (10%)
6 offers at 6 retailers
Listed since 7 April 2026
Compare prices
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Description
Specifications
| Display diagonal | 68.6 cm (27") |
| Display resolution | 3840 x 2160 pixels |
| HD type | 4K Ultra HD |
| Native aspect ratio | 16:9 |
| Display technology | LED |
| Panel type | Fast IPS |
| LED backlight | Yes |
| Backlight type | Mini LED |
| Touchscreen | No |
| Display brightness (typical) | 450 cd/m² |
| Response time | 1 ms |
| Response time measurement type | GTG (Gray to Gray) |
| Anti-glare screen | Yes |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Contrast ratio (dynamic) | 80000000:1 |
| Dynamic contrast ratio marketing name | Mega DCR |
| Maximum refresh rate | 320 Hz |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.073 billion colours |
| Pixel pitch | 0.2331 x 0.2331 mm |
| Pixel density | 109 ppi |
| Viewable size, horizontal | 59.7 cm |
| Viewable size, vertical | 33.6 cm |
| Digital horizontal frequency | 30 - 360 kHz |
| Digital vertical frequency | 48 - 320 Hz |
| Display diagonal (metric) | 68.58 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | DisplayHDR 1000 |
| Colour gamut standard | Adobe RGB, DCI-P3 |
| Adobe RGB coverage | 96.5% |
| DCI-P3 coverage | 98% |
| VESA Adaptive Sync support | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Game mode | Yes |
| Market positioning | Gaming |
| Product colour | Black, Red |
| Frameless design | Yes |
| Front bezel colour | Black |
| Detachable stand | Yes |
| Built-in USB hub | Yes |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| Number of USB Type-B upstream ports quantity | 1 |
| USB Type-A downstream ports quantity | 4 |
| HDMI | Yes |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Headphone out | Yes |
| HDCP | Yes |
| HDCP version | 1.4/2.2 |
| VESA mounting | Yes |
| Panel mounting interface | 100 x 100 mm |
| Cable management | Yes |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Adjustable height (max) | 13 cm |
| Pivot | Yes |
| Pivot angle | -90 - 90° |
| Swivelling | Yes |
| Swivel angle range | -28 - 28° |
| Tilt adjustment | Yes |
| Tilt angle range | -3 - 21° |
| Picture-in-Picture | Yes |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 26 kWh |
| Energy consumption (HDR) per 1000 hours | 40 kWh |
| Power consumption (typical) | 45 W |
| Power consumption (standby) | 0.3 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 120 - 240 V |
| AC input frequency | 50/60 Hz |
| Input current | 1.5 A |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Width (with stand) | 614 mm |
| Depth (with stand) | 240 mm |
| Height (with stand) | 516.6 mm |
| Weight (with stand) | 7.1 kg |
| Width (without stand) | 614 mm |
| Depth (without stand) | 59.4 mm |
| Height (without stand) | 366.4 mm |
| Weight (without stand) | 5.6 kg |
| Package width | 820 mm |
| Package depth | 159 mm |
| Package height | 481 mm |
| Package weight | 10.3 kg |
| Cables included | AC, HDMI, DisplayPort, USB |
| HDMI cable length | 1.8 m |
| Power cable length | 1.8 m |
| Low input lag | Yes |
| FPS counter | Yes |
| Dial point | Yes |
| Shadow control | Yes |
| Local dimming | Yes |
| Local dimming zones | 1152 |
| Bezel thickness type | Frameless |
| Warranty period | 3 year(s) |
| Compliance certificates | CE |
| Certification | WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC |
Full specifications
| Marque | AOC |
| Référence fabricant | u27g4xm |
| EAN | 4038986183123 |
The AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor in its market context in 2026
The AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor is a well-regarded reference in the Informatique category. In 2026, it remains one of the most relevant choices for those seeking to balance quality and budget. The brand AOC has a strong reputation among consumers, reflected in its consistent availability across many partner retailers. Thanks to our comparison tool, you can see all available offers at a glance and go directly to the retailer of your choice to complete your purchase with confidence.
AOC: what this model offers
What buyers remember about the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor: consistent quality, intuitive use and a price that stays within market norms for this level of performance. The positioning of AOC on the Informatique segment ensures access to spare parts and a structured after-sales service, which matters greatly in the long run. A solid choice in 2026, whether for a new purchase or to replace a failing device. Also discover the AOC G4 Q27G4XF computer monitor 68.6 cm (27") 2560 x 1440 pixels Quad HD LED Black, Grey from the same brand for a second level of comparison.
The strengths that really make a difference
What truly differentiates the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor from other products in the Informatique category comes down to a few concrete points: the build quality typical of AOC, its availability from many retailers and accessible after-sales support. These criteria, often decisive for buyers, favour this model over alternatives on the market in 2026. Compare with the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red if you wish to explore other models from the brand.
What you need to know before buying
Before buying the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor, check the following points: stock availability at your chosen retailer, the returns policy, warranty period and delivery charges. These details are accessible from our offers table at the top of this page. AOC generally offers a well-structured after-sales network for the Informatique category.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 384300 £ |
| Mid-range | 384300 £ to 896710 £ |
| High-end | Over 896710 £ |
Comparing prices before buying the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor can save you between £10 and £40 depending on the retailer and the time of year. Use Compiral to never overpay for your online purchases. The 6 offers listed on this page all come from verified retailers with sales conditions compliant with consumer protection law.
Frequently asked questions about AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor
Is there a refurbished version of the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor?
Refurbished versions of the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
When do prices for the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor drop during the year?
Prices for the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Informatique category.
Is delivery free for the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor at all retailers?
Free delivery is not guaranteed for the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.
How do I return the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor if I am not satisfied?
You have a 14-day right of withdrawal for any online purchase, applicable to the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.
Is the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor worth its price in 2026?
In 2026, the AOC G4 U27G4XM 27" 4K Ultra HD 320Hz Gaming Monitor is listed from £349 at our partner retailers. This price is consistent with the positioning of AOC in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
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