31.5-inch · 3840 × 2160 · 144 Hz · MSI global specification
31.5-inch curved VA monitor with native 4K resolution and up to 144 Hz. USB-C supports display input and up to 15 W charging, but MPRT Sync disables charging.
Specifications checked 11 Sept 2026.
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Manufacturer specificationsChoose the MSI G321CU for
Choose the BenQ EX321UX for
EX321UX · 31.5-inch IPS · BenQ UK specification
A 31.5-inch 4K IPS gaming monitor rated at 144 Hz with DisplayHDR 1000, a 700-nit typical brightness, DisplayPort 2.1, three HDMI 2.1 inputs and USB-C with 65 W charging.
Specifications checked 26 Sept 2026.
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Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
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.
14 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Check the exact configuration and source conditions for your use.
MSI's video-port table says DisplayPort 1.4a but the connection caption says 1.4b. · Manufacturer specification · Input counts and types.
MSI G321CU — exact model specificationsManufacturer specification · Manufacturer port counts and versions; the source device and cable must support the mode you want.
BenQ EX321UX — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Up to 15 W (5 V / 3 A). Turning on MPRT Sync switches USB-C charging off.
MSI G321CU English user manualManufacturer specification · 65 W from the USB-C port that also carries DisplayPort Alt Mode video and data. Downstream accessory ports supply less and are not laptop-charging ports.
BenQ EX321UX — exact-model technical specificationsThis is charging power available to a compatible connected device, not the monitor’s electricity consumption. Check the device, cable and any shared-power restrictions.
Manufacturer specification · HDR Ready as listed by MSI; not a DisplayHDR certification. HDR disables Night Vision, contrast, MPRT Sync, colour temperature, Low Blue Light, Optix Scope, HDCR, PIP/PBP and brightness adjustment.
MSI G321CU — exact model specificationsMSI G321CU English user manualManufacturer specification · Manufacturer-listed HDR formats or certification.
BenQ EX321UX — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · PIP/PBP and Optix Scope cannot stay active with FreeSync Premium.
MSI G321CU English user manualCheck the exact configuration and source conditions for your use.
Manufacturer specification · SDR typical brightness, not HDR peak.
MSI G321CU — exact model specificationsManufacturer specification · Manufacturer typical brightness; picture mode and content affect output.
BenQ EX321UX — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · CIE 1976 basis; percentages above 100% are relative volume.
MSI G321CU — exact model specificationsManufacturer specification · Manufacturer colour specification in its stated colour space; coverage is not an independent measurement.
BenQ EX321UX — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer surface description.
MSI G321CU — exact model specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Adapter YJS090G-1904740D, output 19 V / 4.74 A (manual p. 20). MSI does not list typical operating wattage.
MSI G321CU English user manualCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer dimensions with stand, shown width × height × depth. Stand depth is not panel thickness and excludes additional cable clearance.
MSI G321CU — exact model specificationsManufacturer specification · Depth from the manufacturer dimension tuple. Allow additional room for cable routing and movement.
BenQ EX321UX — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · Only tilt is stated in the sheet; omitted height, pivot and swivel are not proven absent.
MSI G321CU — exact model specificationsManufacturer specification · Down/up range as listed by BenQ.
BenQ EX321UX — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Datasheet W×D×H and manual p. 21 W×H×D agree after reordering axes. This is assembled size; allow additional cable clearance.
MSI G321CU — exact model specificationsMSI G321CU English user manualBenQ lists 598.7x714.4x306 mm (height × width × depth). · Manufacturer specification · Manufacturer dimensions with the supplied stand; a height range shows the stand’s lowest and highest positions. Allow extra room for cables and movement.
BenQ EX321UX — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · Second triple is explicitly Without Stand; cable and mounting clearance are additional.
MSI G321CU — exact model specificationsManufacturer specification · Manufacturer panel dimensions without the base.
BenQ EX321UX — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
No source recorded for this side.
Manufacturer specification · The source device and input must support the mode.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · 3840 × 2160 at 144 Hz needs HDMI 2.1 set to '4K 144Hz – PC' (manual pp. 18, 22–23); the console setting is 4K 120 Hz. PIP/PBP locks this setting.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Downstream USB ports need the listed upstream connection to the computer.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Needs a refresh rate above 85 Hz. Locks response time and brightness; disables HDCR, PIP/PBP, Optix Scope and USB-C charging. HDR and 1:1 screen size also disable it. MSI does not say whether it runs with FreeSync.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
MSI does not say whether MPRT Sync and FreeSync can run together. · Manufacturer specification · The manual calls the mode MPRT Sync but does not say whether it runs with FreeSync Premium.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
MSI does not list height adjustment for this model. · Manufacturer specification · MSI's datasheet and manual (p. 5) list tilt only.
MSI G321CU English user manualManufacturer specification · Height-adjustable stand; travel is listed separately.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
MSI does not list swivel for this model. · Manufacturer specification · MSI's stand instructions and specification do not mention swivel.
MSI G321CU English user manualEvidence is missing or conflicting on at least one side. This is not a verified difference.
MSI does not list portrait pivot for this model. · Manufacturer specification · MSI's stand instructions and specification do not mention pivot.
MSI G321CU English user manualBenQ’s specification table has no pivot entry for this model; absence is not inferred from the omission. · Manufacturer specification
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Directional navigation with configurable hotkeys. Available shortcuts include input, PIP/PBP, brightness, Night Vision and Optix Scope; availability depends on the active mode.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
MSI does not say whether speakers are built in. · Manufacturer specification · The manual lists a headphone jack but does not say whether speakers are built in.
MSI G321CU English user manualBenQ’s specification table lists no built-in speaker for this model; absence is not inferred from the omission. · Manufacturer specification
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · PIP/PBP disables MPRT Sync, FreeSync Premium and Optix Scope, locks response-time and HDMI 2.1 settings, and disables CEC; split-screen modes use separate 60 Hz timings.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manual p. 7 labels CEC on the first HDMI input; needs a compatible source. PIP/PBP switches it off.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · OSD crosshair with white, red or automatic colour, position and reset controls. Can be enabled alongside Optix Scope; no gameplay benefit guaranteed.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · BenQ’s table lists “Brightness Intelligence Plus Gen2 (B.I.+ Gen2): Yes”; the product page says Brightness Intelligence Plus automatically adjusts the display brightness and colour temperature.
BenQ EX321UX — exact-model technical specificationsBenQ EX321UX — UK product and identityEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Where FRC is listed, the panel uses frame-rate control to reach the stated depth.
MSI G321CU — exact model specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Colour count reached with FRC, not a native 10-bit panel.
MSI G321CU — exact model specificationsManufacturer specification · Manufacturer colour specification.
BenQ EX321UX — exact-model technical specificationsOne source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.
MSI's documents give different DisplayPort revisions (1.4a and 1.4b). · Manufacturer specification · MSI's specification page and PDF table say DisplayPort 1.4a; the PDF connection diagram says 1.4b.
MSI G321CU — exact model specificationsMSI G321CU current specification tableNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Gross figure in manual p. 21, not product-only mass.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer HDR peak figure; not a measured real-scene result.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · BenQ notes that the signal cable may vary by region; check the seller’s listing.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Lock slot only; no lock included.
MSI G321CU — exact model specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Needs a refresh rate above 85 Hz. Locks response time and brightness; disables HDCR, PIP/PBP, Optix Scope and USB-C charging. HDR and 1:1 screen size also disable it. MSI does not say whether it runs with FreeSync.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manual p. 23: PIP supports Full HD, QHD and UHD at 60 Hz. PBP supports 960 × 2160 and 2880 × 2160 at 60 Hz in Mode 1, and 1920 × 2160 at 60 Hz in Mode 2; the 2160p rows exclude USB-C.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · OSD dark-area adjustment; disabled with HDR.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Central magnifier with 1.5×, 2× and 4× settings. Enabling it disables MPRT Sync, FreeSync Premium and PIP/PBP; HDR disables it. Not whole-screen resolution enhancement.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Accessory bundles can vary by market; check the seller’s listing.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer specification for each axis.
MSI G321CU — exact model specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Operating consumption is unknown. · Manufacturer specification · The manual lists adapter ratings (19 V, 4.74 A output) but no typical operating wattage.
MSI G321CU English user manualManufacturer specification · Manufacturer normal-mode figure; brightness, USB devices and charging load change real use.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Supply-input range, not operating power consumption.
MSI G321CU — exact model specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · BenQ UK specification table. BenQ’s US page for the same model was checked separately on 26 September 2026 (see research notes); plugs, bundled accessories and warranty can still differ by market.
BenQ EX321UX — exact-model technical specificationsBenQ EX321UX — UK product and identityEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manual p. 21 net weight; MSI does not say whether the stand is included.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manual p. 20 lists 4 ms GtG separately from 1 ms MPRT.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Blur-reduction (MPRT) figure, not GtG or input lag. MPRT Sync needs a refresh rate above 85 Hz and disables USB-C charging.
MSI G321CU English user manualNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Separate from the manual's 4 ms GtG figure; neither is input lag.
MSI G321CU English user manualManufacturer specification · Manufacturer GtG claim; BenQ’s specification table publishes no test conditions for it and lists no MPRT figure.
BenQ EX321UX — exact-model technical specificationsOne source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Exact signal-frequency row; not proof of adaptive-sync range for every input.
MSI G321CU — exact model specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer-listed travel: 100 mm. Not calculated from the external height range.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Left/right range as listed by BenQ.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · MSI's datasheet lists 3840 × 2160 up to 144 Hz over USB-C; needs a compatible source and cable.
MSI G321CU — exact model specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
USB data-transfer support is disputed. · Manufacturer specification · MSI's overview advertises USB-C data transfer, but the manual (p. 7) says the port supports video signals only, not data.
MSI G321CU English user manualMSI G321CU model overviewNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Panel active area, not external chassis dimensions.
MSI G321CU — exact model specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Stand inclusion is unspecified. · Manufacturer specification · The manual gives 5.9 kg net and 8.6 kg gross without saying whether the stand is included.
MSI G321CU English user manualManufacturer specification · BenQ lists “Net Weight” separately from “Net Weight (w/o Base)”, so this figure includes the supplied base; packaging excluded.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer width in the listed landscape configuration.
BenQ EX321UX — exact-model technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
11 shared fields have the same recorded value.
| Specification | MSI G321CU | BenQ EX321UX |
|---|---|---|
Screen diagonal SourcesMSI G321CU Manufacturer specification · Manufacturer panel diagonal; rounded size printed on marketing imagery may differ. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Manufacturer-listed panel diagonal; a rounded size may appear in the product name. BenQ EX321UX — exact-model technical specifications | 31.5 in | 31.5 in |
Native resolution SourcesBenQ EX321UX Manufacturer specification · Manufacturer resolution notation: 3840x2160. BenQ EX321UX — exact-model technical specifications | 3840 × 2160 | 3840 × 2160 |
Panel technologyDifferent Sources | VA LCD | IPS |
Aspect ratio Sources | 16:9 | 16:9 |
Declared brightnessDifferent SourcesMSI G321CU Manufacturer specification · SDR typical brightness, not HDR peak. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Manufacturer typical brightness; picture mode and content affect output. BenQ EX321UX — exact-model technical specifications | 300 cd/m² | 700 cd/m² |
Static contrast claimDifferent Sources | 3000:1 | 1000:1 |
Colour depth SourcesMSI G321CU Manufacturer specification · Where FRC is listed, the panel uses frame-rate control to reach the stated depth. MSI G321CU — exact model specificationsBenQ EX321UX No source recorded. | 8-bit + FRC | Not provided |
Screen shape SourcesBenQ EX321UX No source recorded. | Curved, 1500R | Not provided |
HDR capabilityDifferent SourcesMSI G321CU Manufacturer specification · HDR Ready as listed by MSI; not a DisplayHDR certification. HDR disables Night Vision, contrast, MPRT Sync, colour temperature, Low Blue Light, Optix Scope, HDCR, PIP/PBP and brightness adjustment. MSI G321CU — exact model specificationsMSI G321CU English user manualBenQ EX321UX Manufacturer specification · Manufacturer-listed HDR formats or certification. BenQ EX321UX — exact-model technical specifications | HDR Ready | HDR10, VESA DisplayHDR 1000 |
Declared colour gamutDifferent SourcesMSI G321CU Manufacturer specification · CIE 1976 basis; percentages above 100% are relative volume. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Manufacturer colour specification in its stated colour space; coverage is not an independent measurement. BenQ EX321UX — exact-model technical specifications | Adobe RGB 90% / DCI-P3 91% / sRGB 114% (CIE 1976) | 99% Adobe RGB, 99% P3 |
Claimed viewing angles SourcesBenQ EX321UX Manufacturer specification · Left/right angles at a contrast ratio of at least 10:1, as listed. BenQ EX321UX — exact-model technical specifications | 178° horizontal / 178° vertical | 178°/178° |
Panel surfaceDifferent SourcesMSI G321CU Manufacturer specification · Manufacturer surface description. MSI G321CU — exact model specifications | Anti-glare | Matte |
Displayed colour count SourcesMSI G321CU Manufacturer specification · Colour count reached with FRC, not a native 10-bit panel. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Manufacturer colour specification. BenQ EX321UX — exact-model technical specifications | 1.07 billion (8-bit + FRC) | 1.07 billion colors |
Active display area SourcesMSI G321CU Manufacturer specification · Panel active area, not external chassis dimensions. MSI G321CU — exact model specificationsBenQ EX321UX No source recorded. | 697.306 × 392.234 mm (horizontal × vertical) | Not provided |
Pixel pitch SourcesMSI G321CU Manufacturer specification · Manufacturer specification for each axis. MSI G321CU — exact model specificationsBenQ EX321UX No source recorded. | 0.18159 × 0.18159 mm (horizontal × vertical) | Not provided |
Listed HDR peak brightness SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Manufacturer HDR peak figure; not a measured real-scene result. BenQ EX321UX — exact-model technical specifications | Not provided | 1000 nits |
Backlight technology SourcesMSI G321CU No source recorded. | Not provided | Mini LED (1152-zone) |
Factory calibration report SourcesMSI G321CU No source recorded. | Not provided | Yes |
Uniformity adjustment support SourcesMSI G321CU No source recorded. | Not provided | Yes |
Refresh rate SourcesMSI G321CU Manufacturer specification · DisplayPort: up to 144 Hz; HDMI: up to 144 Hz; USB-C DisplayPort Alt Mode: up to 144 Hz, at native 3840 × 2160. The source, cable and selected mode must support the signal. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · At native resolution; the source device and input must support the mode. BenQ EX321UX — exact-model technical specifications | 144 Hz | 144 Hz |
Adaptive sync SourcesMSI G321CU Manufacturer specification · AMD FreeSync Premium. Enabling it disables PIP/PBP and Optix Scope and changes 1:1 screen size to Auto; those modes can also disable FreeSync. MSI G321CU English user manualBenQ EX321UX Manufacturer specification · Needs compatible source hardware and the right input mode. BenQ EX321UX — exact-model technical specifications | Yes | Yes |
Adaptive-sync technologyDifferent SourcesMSI G321CU Manufacturer specification · PIP/PBP and Optix Scope cannot stay active with FreeSync Premium. MSI G321CU English user manual | AMD FreeSync Premium | AMD FreeSync Premium Pro |
Maximum native-resolution USB-C refresh SourcesMSI G321CU Manufacturer specification · MSI's datasheet lists 3840 × 2160 up to 144 Hz over USB-C; needs a compatible source and cable. MSI G321CU — exact model specificationsBenQ EX321UX No source recorded. | 144 Hz | Not provided |
Maximum native-resolution HDMI refresh SourcesMSI G321CU Manufacturer specification · 3840 × 2160 at 144 Hz needs HDMI 2.1 set to '4K 144Hz – PC' (manual pp. 18, 22–23); the console setting is 4K 120 Hz. PIP/PBP locks this setting. MSI G321CU English user manualBenQ EX321UX No source recorded. | 144 Hz | Not provided |
Input signal frequency SourcesMSI G321CU Manufacturer specification · Exact signal-frequency row; not proof of adaptive-sync range for every input. MSI G321CU — exact model specificationsBenQ EX321UX No source recorded. | 180–317 kHz horizontal / 48–144 Hz vertical | Not provided |
Response method and claim SourcesMSI G321CU Manufacturer specification · Separate from the manual's 4 ms GtG figure; neither is input lag. MSI G321CU English user manualBenQ EX321UX Manufacturer specification · Manufacturer GtG claim; BenQ’s specification table publishes no test conditions for it and lists no MPRT figure. BenQ EX321UX — exact-model technical specifications | 1 ms MPRT | 1 ms |
Rated moving-picture response SourcesMSI G321CU Manufacturer specification · Blur-reduction (MPRT) figure, not GtG or input lag. MPRT Sync needs a refresh rate above 85 Hz and disables USB-C charging. MSI G321CU English user manualBenQ EX321UX No source recorded. | 1 ms | Not provided |
Rated grey-to-grey response SourcesMSI G321CU Manufacturer specification · Manual p. 20 lists 4 ms GtG separately from 1 ms MPRT. MSI G321CU English user manualBenQ EX321UX No source recorded. | 4 ms | Not provided |
Motion-blur reduction mode SourcesMSI G321CU Manufacturer specification · Needs a refresh rate above 85 Hz. Locks response time and brightness; disables HDCR, PIP/PBP, Optix Scope and USB-C charging. HDR and 1:1 screen size also disable it. MSI does not say whether it runs with FreeSync. MSI G321CU English user manualBenQ EX321UX No source recorded. | MPRT Sync | Not provided |
MPRT motion-blur mode SourcesMSI G321CU Manufacturer specification · Needs a refresh rate above 85 Hz. Locks response time and brightness; disables HDCR, PIP/PBP, Optix Scope and USB-C charging. HDR and 1:1 screen size also disable it. MSI does not say whether it runs with FreeSync. MSI G321CU English user manualBenQ EX321UX No source recorded. | Yes | Not provided |
Listed refresh modes and input limits SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · The source device and input must support the mode. BenQ EX321UX — exact-model technical specifications | Not provided | Up to 144 Hz |
Inputs and versionsDifferent SourcesMSI G321CU MSI's video-port table says DisplayPort 1.4a but the connection caption says 1.4b. · Manufacturer specification · Input counts and types. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Manufacturer port counts and versions; the source device and cable must support the mode you want. BenQ EX321UX — exact-model technical specifications | 1 × DisplayPort; 2 × HDMI 2.1; USB-C DisplayPort Alt Mode with up to 15 W Power Delivery; headphone output | 1 × HDMI (v2.1) eARC; 2 × HDMI (v2.1); 1 × DisplayPort (v2.1); 1 × USB C(PowerDelivery 65W, DisplayPort Alt Mode, Data); 1 × USB Type-C Upstream (USB 3.2 Gen 1, 5 Gbps, Data only); 3 × USB Type-A Downstream (USB 3.2 Gen 1, 5 Gbps, power charging 4.5W); 1 × USB Type-C Downstream (USB 3.2 Gen 1, 5 Gbps, power charging 7.5W); headphone jack |
USB-C chargingDifferent SourcesMSI G321CU Manufacturer specification · Up to 15 W (5 V / 3 A). Turning on MPRT Sync switches USB-C charging off. MSI G321CU English user manualBenQ EX321UX Manufacturer specification · 65 W from the USB-C port that also carries DisplayPort Alt Mode video and data. Downstream accessory ports supply less and are not laptop-charging ports. BenQ EX321UX — exact-model technical specifications | 15 W | 65 W |
USB-C display input SourcesMSI G321CU Manufacturer specification · One USB-C DisplayPort Alt Mode input. Charging is up to 15 W but disabled by MPRT Sync. MSI's overview and manual disagree on USB data transfer. MSI G321CU English user manualBenQ EX321UX Manufacturer specification · The listed connections include USB-C or Thunderbolt. Video, data, upstream/downstream roles and charging power depend on the particular port. BenQ EX321UX — exact-model technical specifications | Yes | Yes |
Picture-in-picture / picture-by-picture SourcesMSI G321CU Manufacturer specification · PIP/PBP disables MPRT Sync, FreeSync Premium and Optix Scope, locks response-time and HDMI 2.1 settings, and disables CEC; split-screen modes use separate 60 Hz timings. MSI G321CU English user manualBenQ EX321UX No source recorded. | PIP and PBP supported | Not provided |
Headphone output SourcesMSI G321CU Manufacturer specification · One headphone output; MSI does not list speakers. MSI G321CU — exact model specifications | Yes | Yes |
Split-screen timing limits SourcesMSI G321CU Manufacturer specification · Manual p. 23: PIP supports Full HD, QHD and UHD at 60 Hz. PBP supports 960 × 2160 and 2880 × 2160 at 60 Hz in Mode 1, and 1920 × 2160 at 60 Hz in Mode 2; the 2160p rows exclude USB-C. MSI G321CU English user manualBenQ EX321UX No source recorded. | Mode-dependent 60 Hz timings | Not provided |
HDMI CEC SourcesMSI G321CU Manufacturer specification · Manual p. 7 labels CEC on the first HDMI input; needs a compatible source. PIP/PBP switches it off. MSI G321CU English user manualBenQ EX321UX No source recorded. | Yes | Not provided |
USB hub SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Downstream USB ports need the listed upstream connection to the computer. BenQ EX321UX — exact-model technical specifications | Not provided | Yes |
HDCP version SourcesMSI G321CU No source recorded. | Not provided | 2.3 |
Keyboard / mouse switching SourcesMSI G321CU No source recorded. | Not provided | Yes |
Dimensions with standDifferent SourcesMSI G321CU Manufacturer specification · Datasheet W×D×H and manual p. 21 W×H×D agree after reordering axes. This is assembled size; allow additional cable clearance. MSI G321CU — exact model specificationsMSI G321CU English user manualBenQ EX321UX BenQ lists 598.7x714.4x306 mm (height × width × depth). · Manufacturer specification · Manufacturer dimensions with the supplied stand; a height range shows the stand’s lowest and highest positions. Allow extra room for cables and movement. BenQ EX321UX — exact-model technical specifications | 710.5 × 528.2 × 249.3 mm (width × height × depth, with stand) | 598.7 × 714.4 × 306 mm (height × width × depth, with stand) |
Stand depthDifferent SourcesMSI G321CU Manufacturer specification · Manufacturer dimensions with stand, shown width × height × depth. Stand depth is not panel thickness and excludes additional cable clearance. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Depth from the manufacturer dimension tuple. Allow additional room for cable routing and movement. BenQ EX321UX — exact-model technical specifications | 249.3 mm | 306 mm |
VESA mounting pattern SourcesBenQ EX321UX Manufacturer specification · Match the screw size, monitor weight and the mount’s load rating as well as the hole pattern. BenQ EX321UX — exact-model technical specifications | 100 × 100 mm | 100 × 100 mm |
Supplied stand tiltDifferent SourcesMSI G321CU Manufacturer specification · Only tilt is stated in the sheet; omitted height, pivot and swivel are not proven absent. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Down/up range as listed by BenQ. BenQ EX321UX — exact-model technical specifications | −5° to +20° | -5° - 15° |
Height-adjustable stand SourcesMSI G321CU MSI does not list height adjustment for this model. · Manufacturer specification · MSI's datasheet and manual (p. 5) list tilt only. MSI G321CU English user manualBenQ EX321UX Manufacturer specification · Height-adjustable stand; travel is listed separately. BenQ EX321UX — exact-model technical specifications | Not listed by the manufacturer | Yes |
Swivel-adjustable stand SourcesMSI G321CU MSI does not list swivel for this model. · Manufacturer specification · MSI's stand instructions and specification do not mention swivel. MSI G321CU English user manual | Not listed by the manufacturer | Yes |
Dimensions without standDifferent SourcesMSI G321CU Manufacturer specification · Second triple is explicitly Without Stand; cable and mounting clearance are additional. MSI G321CU — exact model specificationsBenQ EX321UX Manufacturer specification · Manufacturer panel dimensions without the base. BenQ EX321UX — exact-model technical specifications | 710.5 × 423.3 × 96.8 mm (width × height × depth) | 433.3 × 714.4 × 98.1 mm (height × width × depth, without base) |
Security-lock slot SourcesMSI G321CU Manufacturer specification · Lock slot only; no lock included. MSI G321CU — exact model specificationsBenQ EX321UX No source recorded. | Yes | Not provided |
Reported net weight SourcesMSI G321CU Manufacturer specification · Manual p. 21 net weight; MSI does not say whether the stand is included. MSI G321CU English user manualBenQ EX321UX No source recorded. | 5.9 kg | Not provided |
Gross weight SourcesMSI G321CU Manufacturer specification · Gross figure in manual p. 21, not product-only mass. MSI G321CU English user manualBenQ EX321UX No source recorded. | 8.6 kg | Not provided |
Weight with stand SourcesMSI G321CU Stand inclusion is unspecified. · Manufacturer specification · The manual gives 5.9 kg net and 8.6 kg gross without saying whether the stand is included. MSI G321CU English user manualBenQ EX321UX Manufacturer specification · BenQ lists “Net Weight” separately from “Net Weight (w/o Base)”, so this figure includes the supplied base; packaging excluded. BenQ EX321UX — exact-model technical specifications | Not listed by the manufacturer | 9.7 kg |
Width with stand SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Manufacturer width in the listed landscape configuration. BenQ EX321UX — exact-model technical specifications | Not provided | 714.4 mm |
Weight without stand SourcesMSI G321CU No source recorded. | Not provided | 7.2 kg |
Stand height travel SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Manufacturer-listed travel: 100 mm. Not calculated from the external height range. BenQ EX321UX — exact-model technical specifications | Not provided | 100 mm |
Stand swivel SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Left/right range as listed by BenQ. BenQ EX321UX — exact-model technical specifications | Not provided | 15°/ 15° |
Listed signal cables SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · BenQ notes that the signal cable may vary by region; check the seller’s listing. BenQ EX321UX — exact-model technical specifications | Not provided | HDMI (v2.1), USB 3.2, USB C |
Listed accessories SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Accessory bundles can vary by market; check the seller’s listing. BenQ EX321UX — exact-model technical specifications | Not provided | QSG, Warranty Card, Calibration Report, Remote Control |
AC input SourcesMSI G321CU Manufacturer specification · Supply-input range, not operating power consumption. MSI G321CU — exact model specificationsBenQ EX321UX No source recorded. | 100–240 V, 50–60 Hz | Not provided |
Operating power consumption SourcesMSI G321CU Operating consumption is unknown. · Manufacturer specification · The manual lists adapter ratings (19 V, 4.74 A output) but no typical operating wattage. MSI G321CU English user manualBenQ EX321UX Manufacturer specification · Manufacturer normal-mode figure; brightness, USB devices and charging load change real use. BenQ EX321UX — exact-model technical specifications | Not listed by the manufacturer | 80 W |
Power supplyDifferent SourcesMSI G321CU Manufacturer specification · Adapter YJS090G-1904740D, output 19 V / 4.74 A (manual p. 20). MSI does not list typical operating wattage. MSI G321CU English user manual | External adaptor: 19 V, 4.74 A; AC 100–240 V, 50–60 Hz, 1.5 A | Adapter |
Maximum power SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. BenQ EX321UX — exact-model technical specifications | Not provided | 274 W |
Sleep-mode power SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. BenQ EX321UX — exact-model technical specifications | Not provided | <0.5 W |
Input voltage SourcesMSI G321CU No source recorded. | Not provided | 100 - 240V |
Physical OSD controls SourcesMSI G321CU Manufacturer specification · Directional navigation with configurable hotkeys. Available shortcuts include input, PIP/PBP, brightness, Night Vision and Optix Scope; availability depends on the active mode. MSI G321CU English user manualBenQ EX321UX No source recorded. | 5-way joystick with custom shortcuts | Not provided |
Night Vision SourcesMSI G321CU Manufacturer specification · OSD dark-area adjustment; disabled with HDR. MSI G321CU English user manualBenQ EX321UX No source recorded. | Yes | Not provided |
Smart Crosshair SourcesMSI G321CU Manufacturer specification · OSD crosshair with white, red or automatic colour, position and reset controls. Can be enabled alongside Optix Scope; no gameplay benefit guaranteed. MSI G321CU English user manualBenQ EX321UX No source recorded. | Yes | Not provided |
Optix Scope SourcesMSI G321CU Manufacturer specification · Central magnifier with 1.5×, 2× and 4× settings. Enabling it disables MPRT Sync, FreeSync Premium and PIP/PBP; HDR disables it. Not whole-screen resolution enhancement. MSI G321CU English user manualBenQ EX321UX No source recorded. | Yes | Not provided |
Low-blue-light mode SourcesMSI G321CU Manufacturer specification · OSD colour-temperature adjustment that warms the display; Anti-Blue mode forces it on and HDR disables it. MSI G321CU English user manual | Yes | Yes |
Flicker-free declaration SourcesMSI G321CU Manufacturer specification · Does not apply with Anti Motion Blur/MPRT on. MSI G321CU English user manual | Yes | Yes |
Ambient-light adaptive adjustment (B.I.+ Gen2) SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · BenQ’s table lists “Brightness Intelligence Plus Gen2 (B.I.+ Gen2): Yes”; the product page says Brightness Intelligence Plus automatically adjusts the display brightness and colour temperature. BenQ EX321UX — exact-model technical specificationsBenQ EX321UX — UK product and identity | Not provided | Yes |
Specification market SourcesMSI G321CU No source recorded. BenQ EX321UX Manufacturer specification · BenQ UK specification table. BenQ’s US page for the same model was checked separately on 26 September 2026 (see research notes); plugs, bundled accessories and warranty can still differ by market. BenQ EX321UX — exact-model technical specificationsBenQ EX321UX — UK product and identity | Not provided | UK |
DisplayPort version SourcesMSI G321CU MSI's documents give different DisplayPort revisions (1.4a and 1.4b). · Manufacturer specification · MSI's specification page and PDF table say DisplayPort 1.4a; the PDF connection diagram says 1.4b. MSI G321CU — exact model specificationsMSI G321CU current specification tableBenQ EX321UX No source recorded. | Conflicting sources | Not provided |
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Portrait pivot SourcesMSI G321CU MSI does not list portrait pivot for this model. · Manufacturer specification · MSI's stand instructions and specification do not mention pivot. MSI G321CU English user manualBenQ EX321UX BenQ’s specification table has no pivot entry for this model; absence is not inferred from the omission. · Manufacturer specification BenQ EX321UX — exact-model technical specifications | Not listed by the manufacturer | Not listed by the manufacturer |
USB-C data transfer SourcesMSI G321CU USB data-transfer support is disputed. · Manufacturer specification · MSI's overview advertises USB-C data transfer, but the manual (p. 7) says the port supports video signals only, not data. MSI G321CU English user manualMSI G321CU model overviewBenQ EX321UX No source recorded. | Conflicting sources | Not provided |
MPRT with adaptive sync SourcesMSI G321CU MSI does not say whether MPRT Sync and FreeSync can run together. · Manufacturer specification · The manual calls the mode MPRT Sync but does not say whether it runs with FreeSync Premium. MSI G321CU English user manualBenQ EX321UX No source recorded. | Not listed by the manufacturer | Not provided |
Built-in speakers SourcesMSI G321CU MSI does not say whether speakers are built in. · Manufacturer specification · The manual lists a headphone jack but does not say whether speakers are built in. MSI G321CU English user manualBenQ EX321UX BenQ’s specification table lists no built-in speaker for this model; absence is not inferred from the omission. · Manufacturer specification BenQ EX321UX — exact-model technical specifications | Not listed by the manufacturer | Not listed by the manufacturer |
Closest monitors to this pair by shared key specifications. Not a popularity ranking.
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.
