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THE DIFFERENCES, MADE VISIBLE
Visual facts
Differences first. Select a topic for its graphic, sources and conditions.
How to read this comparison
Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE8 topics
SELECTED TOPIC
01 / 08
Native resolution
Check the exact configuration and source conditions for your use.
AOC U27G4XM3840 × 2160
Manufacturer specification · Manufacturer resolution notation: 3840x2160. See the separate refresh-mode conditions for any lower-resolution configurations.
Manufacturer specification · Manufacturer resolution notation: 2560x1440. See the separate refresh-mode conditions for any lower-resolution configurations.
Match the monitor to the connection. Refresh limits depend on the input, cable and source device. Confirm the exact regional ports, stand adjustment and mount. Manufacturer response-time methods such as MPRT and GtG are different; neither the image nor these figures establish an independent motion or colour-quality test.
20 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. 1 feature is the same under different published names, grouped below. Missing information stays separate.
Manufacturer specification · Manufacturer resolution notation: 3840x2160. See the separate refresh-mode conditions for any lower-resolution configurations.
Manufacturer specification · Manufacturer resolution notation: 2560x1440. See the separate refresh-mode conditions for any lower-resolution configurations.
Manufacturer specification · At the native panel resolution. Manufacturer lists 160 Hz. Available modes depend on input, cable and source. Listed vertical input range: FHD: 48-320Hz / UHD: 48-160Hz. The exact product page separately lists Full HD at 320 Hz in Dual Frame Mode; this is not 320 Hz at the native UHD resolution.
Manufacturer specification · At the native panel resolution. Manufacturer lists 180 Hz. Available modes depend on input, cable and source. Listed vertical input range: HDMI2.0: 48-144hz / DP1.4: 48-180hz.
AOC U27G4XMUHD 3840 × 2160 at 160 Hz / FHD 1920 × 1080 at 320 Hz (Dual Frame Mode)
AOC Q27G4F180 Hz
Sources
AOC U27G4XM
Manufacturer specification · At the native panel resolution. Manufacturer lists 160 Hz. Available modes depend on input, cable and source. Listed vertical input range: FHD: 48-320Hz / UHD: 48-160Hz. The exact product page separately lists Full HD at 320 Hz in Dual Frame Mode; this is not 320 Hz at the native UHD resolution.
Manufacturer specification · At the native panel resolution. Manufacturer lists 180 Hz. Available modes depend on input, cable and source. Listed vertical input range: HDMI2.0: 48-144hz / DP1.4: 48-180hz.
Check the exact input, signal mode, source and cable. A connector version or supported timing does not guarantee every console mode, VRR setting or game frame rate.
AOC U27G4XMHDMI: HDMI 2.1 x 1; DisplayPort: DisplayPort 1.4 x 1; USB Type upstream: 1 x USB-B; USB type downstream: 4 x USB-A
AOC Q27G4FHDMI: HDMI 2.0 x 1; DisplayPort: DisplayPort 1.4 x 1; Audio Output: Headphone out (3.5mm)
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer port counts and versions. Confirm source-device support, cable bandwidth and the exact mode; a connector name alone does not guarantee every advertised configuration.
Manufacturer specification · Manufacturer port counts and versions. Confirm source-device support, cable bandwidth and the exact mode; a connector name alone does not guarantee every advertised configuration.
Manufacturer specification · Manufacturer-listed HDR formats or certification. This alone does not establish real-scene HDR quality, local dimming or measured peak brightness.
Manufacturer specification · Manufacturer-listed HDR formats or certification. This alone does not establish real-scene HDR quality, local dimming or measured peak brightness.
Check the exact configuration and source conditions for your use.
Show 14 more verified differences
Display colour depth
AOC U27G4XM1.073B (8bits+FRC)
AOC Q27G4F16.7M (8bits)
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Check the exact configuration and source conditions for your use.
Colour space (Adobe RGB) CIE 1976 %
AOC U27G4XM96.5
AOC Q27G4F89.8
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Check the exact configuration and source conditions for your use.
Colour space (DCI-P3) CIE 1976 %
AOC U27G4XM98.0
AOC Q27G4F93.4
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Check the exact configuration and source conditions for your use.
Colour space (sRGB) CIE 1976 %
AOC U27G4XM151.8
AOC Q27G4F117.2
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Check the exact configuration and source conditions for your use.
Typical / normal operating power
AOC U27G4XM45 W
AOC Q27G4F23 W
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. Source mode: typical.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. Source mode: typical.
A size or weight trade-off; it does not establish the better product.
Standby power (W)
AOC U27G4XM0.3
AOC Q27G4F0.5
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
A size or weight trade-off; it does not establish the better product.
Dimensions with stand
AOC U27G4XM614 × 386.6–516.6 × 240 mm (width × height × depth, with stand)
AOC Q27G4F613.9 × (386.0–516.0) × 207.7 mm (width × height × depth, with stand)
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
A size or weight trade-off; it does not establish the better product.
Dimensions without stand (W × H × D, mm)
AOC U27G4XM614 x 366.4 × 59.4
AOC Q27G4F613.9 x 366.3 x 51.3
Sources
AOC U27G4XM
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
USB-C connection
AOC U27G4XMNot verified
AOC Q27G4FNot verified
Sources
AOC U27G4XM
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Built-in speakers
AOC U27G4XMNot verified
AOC Q27G4FNot verified
Sources
AOC U27G4XM
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Typical brightness
AOC U27G4XMNot verified
AOC Q27G4F300 cd/m²
Sources
AOC U27G4XM
The model page lists 1200 cd/m² under Brightness in nits, without identifying typical sustained output, peak window size or a measurement mode. The previous typical-brightness wording was unsupported. AOC's DisplayHDR 1000 feature tile separately mentions "super high peak brightness up-to 1000 nits". · Manufacturer specification
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Published brightness claim
AOC U27G4XM1200 cd/m²
AOC Q27G4FNot verified
Sources
AOC U27G4XM
Manufacturer specification · AOC does not state the window size or whether this is sustained or peak brightness; its DisplayHDR 1000 tile separately mentions peak brightness up to 1000 nits.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
MPRT response-time claim
AOC U27G4XMNot verified
AOC Q27G4F0.5 ms
Sources
AOC U27G4XM
No source recorded for this side.
AOC Q27G4F
Manufacturer specification · Manufacturer response-time claim; settings and transition method matter. GtG and MPRT values are different measures and are not independent motion-clarity results.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Listed warranty period
AOC U27G4XM3 years
AOC Q27G4FNot verified
Sources
AOC U27G4XM
Manufacturer specification · Check the exact model, purchase market, proof-of-purchase requirements and full manufacturer terms; this is not a cross-border warranty guarantee.
The headline maximum spans different resolution modes: UHD 3840 × 2160 at 160 Hz / FHD 1920 × 1080 at 320 Hz (Dual Frame Mode). The faster lower-resolution mode does not deliver the same pixel detail as the native panel mode.
Response time, HDR support and colour figures are manufacturer claims with different conditions; they do not establish independent motion or image-quality results.
Manufacturer specification · Manufacturer resolution notation: 3840x2160. See the separate refresh-mode conditions for any lower-resolution configurations.
Manufacturer specification · Manufacturer resolution notation: 2560x1440. See the separate refresh-mode conditions for any lower-resolution configurations.
The model page lists 1200 cd/m² under Brightness in nits, without identifying typical sustained output, peak window size or a measurement mode. The previous typical-brightness wording was unsupported. AOC's DisplayHDR 1000 feature tile separately mentions "super high peak brightness up-to 1000 nits". · Manufacturer specification
Manufacturer specification · AOC does not state the window size or whether this is sustained or peak brightness; its DisplayHDR 1000 tile separately mentions peak brightness up to 1000 nits.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer-listed HDR formats or certification. This alone does not establish real-scene HDR quality, local dimming or measured peak brightness.
Manufacturer specification · Manufacturer-listed HDR formats or certification. This alone does not establish real-scene HDR quality, local dimming or measured peak brightness.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Colour space (Adobe RGB) CIE 1976 %DifferentSources
AOC U27G4XM
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · Manufacturer colour specification under its stated colour space and measurement basis. Coverage and gamut volume are not interchangeable, and this is not an independent colour-accuracy measurement.
Manufacturer specification · At the native panel resolution. Manufacturer lists 160 Hz. Available modes depend on input, cable and source. Listed vertical input range: FHD: 48-320Hz / UHD: 48-160Hz. The exact product page separately lists Full HD at 320 Hz in Dual Frame Mode; this is not 320 Hz at the native UHD resolution.
Manufacturer specification · At the native panel resolution. Manufacturer lists 180 Hz. Available modes depend on input, cable and source. Listed vertical input range: HDMI2.0: 48-144hz / DP1.4: 48-180hz.
Listed refresh modes and input limitsDifferentSources
AOC U27G4XM
Manufacturer specification · At the native panel resolution. Manufacturer lists 160 Hz. Available modes depend on input, cable and source. Listed vertical input range: FHD: 48-320Hz / UHD: 48-160Hz. The exact product page separately lists Full HD at 320 Hz in Dual Frame Mode; this is not 320 Hz at the native UHD resolution.
Manufacturer specification · At the native panel resolution. Manufacturer lists 180 Hz. Available modes depend on input, cable and source. Listed vertical input range: HDMI2.0: 48-144hz / DP1.4: 48-180hz.
UHD 3840 × 2160 at 160 Hz / FHD 1920 × 1080 at 320 Hz (Dual Frame Mode)
180 Hz
GtG response-time claimSources
AOC U27G4XM
Manufacturer specification · Manufacturer response-time claim; settings and transition method matter. GtG and MPRT values are different measures and are not independent motion-clarity results.
Manufacturer specification · Manufacturer response-time claim; settings and transition method matter. GtG and MPRT values are different measures and are not independent motion-clarity results.
Manufacturer specification · The exact manufacturer specification names adaptive-sync support; its stated technology and existing conditions are retained separately.
Manufacturer specification · Manufacturer response-time claim; settings and transition method matter. GtG and MPRT values are different measures and are not independent motion-clarity results.
Manufacturer specification · Manufacturer port counts and versions. Confirm source-device support, cable bandwidth and the exact mode; a connector name alone does not guarantee every advertised configuration.
Manufacturer specification · Manufacturer port counts and versions. Confirm source-device support, cable bandwidth and the exact mode; a connector name alone does not guarantee every advertised configuration.
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
Manufacturer specification · The manufacturer explicitly lists positive stand height travel. Manufacturer-listed travel: 130mm. Not calculated from the external height range.
Manufacturer specification · Match the screw pattern, screw dimensions, product weight and mount load rating; the pattern alone does not verify a safe mount.
Manufacturer specification · Match the screw pattern, screw dimensions, product weight and mount load rating; the pattern alone does not verify a safe mount.
Manufacturer specification · Pivot angle as listed on AOC's UK product page, with its tolerance. The page types the leading minus sign as a soft hyphen.
Dimensions without stand (W × H × D, mm)DifferentSources
AOC U27G4XM
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
Manufacturer specification · Manufacturer dimensions in the stated orientation; allow additional room for cables and movement. A listed height range is retained without inferring an adjustment travel.
HDMI cable: 1.8; Displayport cable: 1.8; USB-B upstream cable: 1x USB-B to A 1.8m; Power Cable: True
HDMI cable: 1x; Displayport cable: 1x; Power Cable: True
Typical / normal operating powerDifferentSources
AOC U27G4XM
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. Source mode: typical.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. Source mode: typical.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Manufacturer specification · Check the exact model, purchase market, proof-of-purchase requirements and full manufacturer terms; this is not a cross-border warranty guarantee.
Manufacturer specification · UK and US retailer searches are provided separately. A UK specification does not prove identical US variants, included plugs, stock or cross-border warranty.
Manufacturer specification · UK and US retailer searches are provided separately. A UK specification does not prove identical US variants, included plugs, stock or cross-border warranty.
Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.
Specifications without verified values for either product
USB-C connectionSources
AOC U27G4XM
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
The inspected exact-model specification does not establish this feature. It has not been inferred from another model or from an omitted field. · Manufacturer specification
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.