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ASUS ROG Swift OLED PG42UQ vs LG UltraGear 34GX90SA

Product A: ASUS

ROG Swift OLED PG42UQ

106 of 172 known
Change ASUS ROG Swift OLED PG42UQ

Compare the LG UltraGear 34GX90SA with

Product B: LG

UltraGear 34GX90SA

103 of 172 known
Change LG UltraGear 34GX90SA

Compare the ASUS ROG Swift OLED PG42UQ with

90 of 164 fields differ

Download CSVDownload JSON
  • 45 different values
  • 45 known for one only
  • 32 the same
  • 42 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Response timeLower is betterA: 0.1msB: 0.03msLG is 0.07 ms lower.
  2. Brightness (typical, SDR)A: 135nitsB: 275nitsLG is 140 nits higher.
  3. Full-screen brightnessA: 135nitsB: 275nitsLG is 140 nits higher.
  4. Power use HDR (EU label)Lower is betterA: 70WB: 38.9WLG is 31.1 W lower.
  5. Refresh rateA: 138HzB: 240HzLG is 102 Hz higher.
  6. Power use SDR (EU label)Lower is betterA: 52.5WB: 32.3WLG is 20.2 W lower.
  7. Peak brightness (HDR)A: 1,000nitsB: 1,300nitsLG is 300 nits higher.

Refresh rate per resolution

The best rate over any port. Bars run from 0 to 1200 Hz.

3840 × 2160Native for A
A138Hz
BNot listed
3440 × 1440Native for B
ANot listed
B240Hz

Size, drawn to scale

Front and side. Solid lines show the stand at its lowest. Dashed lines show it at its highest.

Weight

0 to 15 kg

Weight with stand
A14.77kg
B10.4kg
Weight without stand
A13.58kg
B6.2kg
Box weight
A20.07kg
B15.5kg

All 172 fields

Every value links to where we found it.

AASUS ROG Swift OLED PG42UQ
BLG UltraGear 34GX90SA

General

2 of 8 differ
Series
ROG Swift OLED1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
UltraGear OLED1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W product title and gaming category.
Model numbers
PG42UQ1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
34GX90SA-W1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W sold model number. Other regions are not represented as variants.
GTIN / EAN
Not available
1951741158001Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Warranty UPC. European GTINs are not assigned to the U.S. reference.
Announced
Not available
Not available
Status
Not available
Not available
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$1,39910Maker product pageasus.com/us/news/cmjqiyjzuwogawhfRead 5 October 2026Official August 23, 2022 North America announcement states PG42UQ MSRP $1399. Integer maker form retained. Planned late-Q3 North America availability is distinct from actual July China retail. Original page content was readable through web search extraction while direct opening returned a temporary service error.
$1,3992Press releaselg.com/us/press-release/lg-ug-smart-monitor-pr-4-02-2025.pdfRead 5 October 2026Page 1 explicitly names this model and initial U.S. retail price. The publisher states a whole-dollar amount. Later .99 MSRP and sale prices are not substituted.
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Black2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
Not available
Segment
Gaming1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Gaming1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W gaming monitor category.

Display

11 of 12 differ
Screen size
42in(106.7 cm)3Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-modelRead 5 October 2026Exact maker headline class size, distinct from own manual viewable diagonal.
34in(86.4 cm)1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Screen Size. The 45-inch class uses the published 44.5-inch panel.
Viewable screen diagonal
41.5in(105.4 cm)1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Not available
Native resolution
3840 × 2160px1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
3440 × 1440px1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Native Resolution. This smart model is WQHD, not the 5K2K GX950A.
Aspect ratio
16:91Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
21:91Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W maker nominal 21:9 class. The exact 3440:1440 pixel fraction differs from the nominal class.
Pixel density
104.9ppi
109.7ppi
Pixel pitch
0.2395mm2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual published pitch, with its stated rounding retained. No inferred extra precision.
0.231mm1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo equal horizontal and vertical pixel pitch in mm. Published precision is retained.
Active display area
Width919.68Height517.32mm(36.2 × 20.4 in)1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Exact maker Display Viewing Area dimensions. These are distinct from the external body.
Width795Height333mm(31.3 × 13.1 in)5Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026Exact column active panel area. Curved panel surface width can exceed external body width. Whole-mm source precision is retained.
Curved
No3Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-modelRead 5 October 2026Exact maker front-view image shows a flat panel.
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Curved Screen Yes.
Curvature radius
Not available
800mm1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Curvature 800R. Fixed curvature, not a bendable panel.
Screen surface
Matte4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026
Not available
Anti-reflection coating
Anti-Glare1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Anti-Glare, Low-Reflection of the front polarizer1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Surface Treatment. This alone does not establish a matte or glossy classification.
Touchscreen
Not available
Not available

Panel

11 of 31 differ
Panel type
WOLED1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
WOLED4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact-model feature body explicitly names LG WOLED.
Panel type (as published)
WOLED1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
WOLED4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact maker technology name.
Backlight
None (self-emissive)3Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-modelRead 5 October 2026Own exact self-emissive WOLED panel.
None (self-emissive)4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026The producer WOLED description identifies a self-emissive OLED, not an LCD backlight.
Local dimming
Not available
Not available
Dimming zones
Not available
Not available
Panel maker
LG Display4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026
Not available
Panel part number
Not available
Not available
Panel generation
Not available
Not available
Subpixel layout
Not available
Not available
Colour depth
10bits1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Not available
Colour depth method
Native3Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-modelRead 5 October 2026Own exact feature page says true 10-bit colour.
Not available
Displayable colours
1.07 billion1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Maker 1073.7M is written 1.07 billion by the agreed monitor field convention.
1.07 billion1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo number of colours 1.07B. Native colour depth method is unstated.
sRGB coverage
Not available
Not available
DCI-P3 coverage
98%1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Maker 98% DCI-P3. CIE reference is unstated. Separate 133% sRGB volume is omitted.
98.5%1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo DCI-P3 98.5% typical, CIE 1976. Not measured coverage or gamut volume.
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Yes3Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-modelRead 5 October 2026Own feature page says each monitor is pre-calibrated to Delta E < 2.
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Factory Calibration Yes. A U.S. paper report is not independently established.
Claimed Delta E
21Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Maker Delta E < 2. Colour space and average or maximum statistic are unstated.
24Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact model feature body claims Delta E <= 2 colour accuracy. Stored value is an upper bound, not exact measured error. Formula, reference colour space and test picture mode are unstated.
Paper calibration report in box
Yes4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review photographs the paper calibration report and discusses its inclusion in the box.
Not available
Hardware calibration support
No4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact Calibration section explicitly says no hardware calibration. Computer profiling or ordinary controls are separate.
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table HW Calibration No. Calibration Studio is also No. Factory calibration is a separate claim. The U.S. 45-inch True Color Pro feature is inconsistent and not adopted.
Static contrast ratio
1,500,000:12Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual 1,500,000:1. Current webpage 135,000:1 conflicts. Manual takes precedence, with PG42 APL 25% qualifier retained.
1,500,000:11Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo typical 1.5M:1. The feature explanation uses 25% APL. Infinite reviewer contrast has no finite numeric representation.
Brightness (typical, SDR)
135nits2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual normal brightness 135 nits at full-white / 100% APL. Current webpage 450-nit typical lacks that stimulus condition. Full-screen manual figure is retained rather than treating a small-window value as full-screen.
275nits1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo typical SDR 275 cd/m². Measured or minimum brightness is separate.
Brightness (maker minimum)
Not available
250nits1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo minimum guaranteed 250 cd/m². This is not the minimum adjustable brightness.
Peak brightness (HDR)
1,000nits1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Current maker HDR peak 1000 nits. Stimulus, duration and mode are unstated. Earlier manual or launch 900-nit figures remain a source conflict rather than being silently combined.
1,300nits1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo HDR peak 1300 cd/m² at 1.5% average picture level. Not a full-screen or sustained measurement.
HDR peak test window
Not available
1.5%1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo explicitly uses 1.5% APL, not necessarily a white-window percentage.
Full-screen brightness
135nits2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual 135 nits normal full-white / 100% APL. This is a maker claim, not a review measurement.
275nits4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact feature body states standard luminance 275 nits at 100% APL, separate from peak 1300 nits at 1.5% APL.
HDR formats
HDR101Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
HDR101Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo HDR10 Yes. HDR Effect does not establish another accepted HDR format.
HDR certification
Not available
DisplayHDR True Black 4001Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo DisplayHDR True Black 400. Not the LCD DisplayHDR 400 tier.
Viewing angle (horizontal)
178°1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
178°1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo viewing angle R/L at CR >= 10.
Viewing angle (vertical)
178°1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
178°1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo viewing angle U/D at CR >= 10.

Refresh rate and motion

14 of 22 differ
Refresh rate per resolution and port
AASUS ROG Swift OLED PG42UQ
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1, 2.0DisplayPort 1.4
3840 × 2160Native138Hz12-bit138Hz10-bit, DSC
Source4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Direct native maxima DP and HDMI 2.1 138 Hz with overclock. DP 4K 138 Hz at 10-bit requires DSC. HDMI 4K 138 Hz accepts 12-bit processing, not native 12-bit panel depth. Chroma, HDMI compression and lower-resolution maxima remain unproved.5Reviewascii.jp/elem/000/004/122/4122948/2Read 5 October 2026Exact review explicitly states native 4K HDMI 2.0 maximum 60 Hz, separate from the two HDMI 2.1 sockets.
BLG UltraGear 34GX90SA
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4USB-C
3440 × 1440Native240Hz240HzDSC240HzDSC
Source5Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026Exact connector maximum-resolution table explicitly gives native 3440 x 1440 at 240 Hz separately for HDMI, DisplayPort and USB-C. Manual pages 19-20 require HDMI 2.1 PC mode and DP/USB-C compatibility 1.4 DSC for preferred native 240 Hz. Bit depth, chroma and HDMI compression are unproved and omitted. Lower-resolution preset rows do not establish maxima.
Max refresh rate
138Hz
240Hz
Max refresh rate at native resolution
138Hz
240Hz
Max refresh rate over DisplayPort
138Hz
240Hz
Max refresh rate over HDMI
138Hz
240Hz
Max refresh rate over USB-C
Not available
240Hz
Max refresh rate at 10-bit
138Hz
Not available
Native refresh rate
120Hz4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review expressly states native 120 Hz and 138 Hz overclock.
240Hz1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo native 240 Hz. No faster dual mode or overclock is inherited.
Overclocked refresh rate
138Hz2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own Gaming menu expressly offers maximum 138 Hz only on DisplayPort and HDMI1/HDMI2. Overclocking can cause flicker and depends on compatible GPU/cable settings.
Not available
Dual mode
Not available
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
Adaptive-Sync, G-SYNC Compatible1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
FreeSync Premium, G-SYNC Compatible, VESA AdaptiveSync Display1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo names FreeSync Premium, G-SYNC Compatible and VESA Adaptive Sync. No native G-SYNC module or FreeSync Premium Pro is inferred.
VRR range per port
AASUS ROG Swift OLED PG42UQ
InputMin (Hz)Max (Hz)
HDMI48120
DisplayPort48138
Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own Gaming menu explicitly gives HDMI1/HDMI2 VRR 48-120 Hz and DisplayPort 48-138 Hz with overclock. These are VRR intervals, distinct from fixed accepted HDMI 138 Hz. Firmware build is unstated.
BLG UltraGear 34GX90SA
Not available
Low framerate compensation
Not available
Yes9Maker product pageamd.com/en/products/graphics/technologies/freesync.htmlRead 5 October 2026AMD officially requires LFC for FreeSync Premium-certified displays. The exact U.S. monitor has that named certification. No port-specific VRR interval is inferred.
Response time (maker GtG claim)
0.1ms1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
0.03ms1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo 0.03 ms GtG at Faster. Not a mean measured transition time.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Not available
Not available
Motion blur reduction
No4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review explicitly says BFI is absent. Normal OLED refresh luminance oscillation is not BFI.
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table Motion Blur Reduction Tech No. Fast OLED transitions do not themselves establish strobing.
Blur-reduction technology
Not available
Not available
Blur reduction works with VRR
Not available
Not available
Flicker-free (claimed)
Yes1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Yes4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact-model feature body names UL Flicker-Free Display certification A196009. Flicker Safe menu No is distinct from panel certification and VRR flicker.
Black frame insertion
No4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026
Not available

Measured

5 of 12 differ
Input lag at maximum refresh rate
Not available
Not available
Input lag at 60 Hz
15.2ms4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Native 4K fixed 60 Hz total display lag approximately 15.2 ms includes half average pixel transition in the TFT overall-lag method. Exact input and firmware for this lag result are unstated. The separate 1 ms total at 120 Hz is below maximum 138 Hz and is not stored as max-Hz lag.
Not available
Average response time (measured)
0.49ms4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Review mean 0.49 ms GtG at 138/120/60 Hz and VRR uses the improved gamma-corrected method. Best 0.35 ms and fastest maker 0.1 ms are separate statistics. Exact firmware and input for this result are not restated.
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
Not available
SDR brightness (measured)
366nits4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026V031 firmware SDR maximum approximately 366 nits at 10% white window, Uniform Brightness off and 100% OSD brightness. UB on gives approximately 195 nits across APL/window sizes. The stored 366 value keeps its small-window condition and is not full-screen. Exact input is unstated. The same review reports measured absolute Adobe RGB coverage of 93.7%, with the numeric CIE basis unstated. Its chromaticity diagram is identified as CIE 1976, which does not separately establish the numeric coverage basis. This measured gamut result stays in source context because there is no dedicated measured-gamut field, rather than becoming a generic manufacturer coverage claim.
147nits8Measurementbenchmark.pl/lg-ultragear-34gx90sa-recenzja-test-opinia-7268521805853761aRead 5 October 2026Own SDR/HDR table for Game Optimizer, brightness setting 100%, 100% synthetic white window. Default 10% setting is 140 nits and not substituted. Firmware and connection are unstated. Other picture modes and maker 275-nit claim are different conditions.
HDR brightness in a real scene (measured)
Not available
354nits8Measurementbenchmark.pl/lg-ultragear-34gx90sa-recenzja-test-opinia-7268521805853761aRead 5 October 2026Same own Game Optimizer measurement table, actual film scene with less than 1% lit area, HDR. Scene title, firmware, connection and peak-brightness option are unstated. Synthetic HDR 1% window is 365 nits and is separate. Reviewer never reached the maker 1300-nit claim in tested conditions.
PWM flicker frequency (measured)
Not available
Not available
VRR range (measured)
Not available
Not available
Colour accuracy (measured Delta E)
3.14Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Default Racing native wide-gamut SDR compared with sRGB, mean Delta E 2000 3.1 before user calibration. This is separate from the factory sRGB calibration target. Exact firmware/input for this result are unstated.
Not available
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

11 of 19 differ
Video inputs
AASUS ROG Swift OLED PG42UQ
TypeVersionCountMax bandwidth (Gbps)DSC
DisplayPort1.41Not availableYes
HDMI2.1248Not available
HDMI2.02Not availableNot available
Source1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Current maker complete physical inventory. Exact model feature page and maker 2022 release explicitly give full 48 Gbps HDMI 2.1 ports. HDMI 2.0 ports are separate.8Maker product pagepress.asus.com/news/press-releases/1246Read 5 October 2026Exact release expressly gives two HDMI 2.1 ports at 48 Gbps and two separate HDMI 2.0 ports.
BLG UltraGear 34GX90SA
TypeVersionCountDSCHDCP
HDMI2.12Not availableNot available
DisplayPort1.41Yes2.3
USB-CNot available1Not availableNot available
Source1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact AllInfo counts and input versions. Supplementary producer table explicitly DP 1.4 DSC, and AllInfo DP HDCP 2.3. USB-C is a video input via explicit manual Alt Mode. Link bandwidth, HDMI HDCP/DSC and USB-C link revision are unstated.
HDMI ports
4
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
1.4
1.4
HDMI features
CEC, VRR, ALLM2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual CEC menu proves CEC. HDMI VRR and ALLM are independently confirmed by TFT review.4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review confirms HDMI VRR and ALLM. CEC is independently stated in own manual.
Not available
USB-C video (DP Alt Mode)
Not available
Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 14 explicitly supports PD and DisplayPort Alternate Mode at the upstream USB-C port.
USB-C power delivered
Not available
65W1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo USB-C Power Delivery 65 W supplied to a compatible host. The monitor still needs its separate adapter.
Thunderbolt
Not available
Not available
USB upstream ports
AASUS ROG Swift OLED PG42UQ
ConnectorUSB versionCount
USB-B3.2 Gen 11
Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
BLG UltraGear 34GX90SA
ConnectorCount
USB-C1
Source1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo one host-facing USB-C connection. Its USB data revision is unstated in the U.S. table.
USB downstream hub ports
AASUS ROG Swift OLED PG42UQ
ConnectorUSB versionCount
USB-A3.2 Gen 14
Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own exact manual identifies four Gen 1 Type-A ports. PG42 current webpage Gen 2 contradicts this and no exact hardware-revision change is proved. PG48 current webpage also gives Gen 1.
BLG UltraGear 34GX90SA
ConnectorUSB versionCount
USB-A2.02
Source1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo two USB 2.0 downstream ports. Their Type-A connector form is confirmed by the matching product and connector inventory.
KVM switch
No4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact Office Connections discussion explicitly states no KVM switch.
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table Built-in KVM No. One USB-C upstream may switch peripherals between the smart platform and its host, but this does not establish a two-host hardware KVM.
Daisy chain (MST)
Not available
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table Daisy Chain No.
Ethernet
Not available
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo LAN Yes. Data bandwidth is not inferred.
3.5 mm headphone output
Yes1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Yes4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table three-pole headphone output, sound only. No microphone contacts.
3.5 mm microphone input
Not available
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table Mic In No and three-pole sound-only output.
Optical out
Yes1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table SPDIF Optical Digital Audio Out No.
Picture in picture
Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 20264Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review states PIP and PBP require adaptive-sync/VRR disabled.
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo PIP Yes. Not a KVM function.
Picture by picture
Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 20264Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review states PIP and PBP require adaptive-sync/VRR disabled.
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo PBP Yes. The supplementary exact-model table specifies two sources.

Smart features

2 of 4 differ
Smart platform
Not available
webOS 241Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo explicitly webOS 24. Present services vary by region and subscription.
Wi-Fi
Not available
Wi-Fi 53Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 17 wireless module LGSBWAC23 supports IEEE 802.11a/b/g/n/ac. Wi-Fi 6 in a review is inconsistent with this exact hardware table and is not stored.
Bluetooth
Not available
Not available
Remote control
Yes1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo accessory Remote Control Yes. The optional Magic Remote for voice recognition is separate.

Audio and camera

4 of 5 differ
Speakers
Yes1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Maker lists two 10 W main speakers plus one 15 W woofer. Physical count is three. Unequal channel ratings cannot become one universal per-channel value.
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo Speaker Yes. Output-channel count does not prove a physical driver count.
Number of speakers
34Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact physical audio discussion identifies two 10 W main speakers and one 15 W woofer. Count is three, while unequal power ratings do not become one per-channel value.8Maker product pagepress.asus.com/news/press-releases/1246Read 5 October 2026August 23, 2022 exact PG42UQ and PG48UQ release expressly states two 10 W front speakers and one 15 W woofer.
Not available
Speaker power per channel
Not available
7W4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table 7 W x 2 output channels. No physical driver count is inferred.
Webcam
Not available
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table Camera No. The optional external camera is not an installed camera.
Microphone
Not available
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table Mic No. Optional Magic Remote voice recognition does not establish a monitor microphone.

Ergonomics and controls

10 of 15 differ
Stand height adjustment
0mm2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual explicitly says height adjustment No. Fixed stand supplies zero travel. Stand-height endpoints are not labelled and therefore not stored.
110mm1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo stand travel. Independently confirmed by manual page 8.
Tilt
Forward5°Backward5°2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual explicitly gives -5 to +5 degrees tilt.
Forward8°Backward15°1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo stand angle and manual page 8. Stored as positive directional magnitudes.
Swivel
Left0°Right0°2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual explicitly states swivel No, so supplied stand has zero swivel travel.
Left30°Right30°1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo stand angle and manual page 8. Left and right are positive magnitudes.
Pivot
Counterclockwise0°Clockwise0°4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review explicitly says no rotation with supplied stand, so both portrait pivot directions have zero travel.
Not available
Removable stand
Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 11 explicitly removes the supplied stand before wall mounting by reversing its attachment.
VESA mount
300 x 3002Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own specification and drawing plus independent review state 300 x 300 mm. The manual wall-bracket paragraph contains a conflicting 100 x 100 mm mention that is not used.
100 x 1001Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo mounting size, independently confirmed by manual page 10.
VESA adapter needed
Not available
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Pages 10-11 show the wall bracket attaching directly to the rear mounting holes. The optional wall bracket is separate.
Security lock slot
Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 9 explains the physical Kensington socket. Its cable is optional.
On-screen menu controls
Joystick, Buttons, Remote2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
Joystick, Remote3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own manual pages 15-16 describe joystick menu control and the included remote Settings and directional menu controls. The optional voice Magic Remote is separate.
Desktop software
Not available
Not available
User firmware updates
Yes4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg42uq-oledRead 5 October 2026Exact review discusses installed V031 firmware and owner downloads. The maker manual does not describe an update method, so no method is inferred.
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Not available
Yes1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo explicitly RGB Hexagon Lighting. Not the power indicator.
Gaming menu features
GamePlus, GameVisual, Shadow Boost, Aspect Control, Crosshair, FPS Counter, Timer, Stopwatch, Sniper2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
Black Stabilizer, Dynamic Action Sync, Crosshair, FPS Counter1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo named gaming functions. No AI feature from another generation is imported.

OLED care

3 of 3 differ
OLED care
Screen Saver, Pixel Cleaning, Screen Move, Adjust Logo Brightness2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
Not available
Burn-in covered by warranty
Yes1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Not available
Burn-in warranty length
2years1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Exact-model global warranty explicitly includes panel burn-in for 2 years.
Not available

Dimensions and weight

6 of 7 differ
Dimensions with stand
Width932.08Depth255.4mm(36.7 × 10.1 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
Width784.1Height (lowest)470.4Height (highest)580.4Depth291.8mm(30.9 × 18.5 to 22.9 × 11.5 in)4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact UP and DOWN stand positions. Maximum independently agrees with manual page 18. No minimum height is calculated from travel.
Dimensions without stand
Width932.08Height551.96Depth37.38mm(36.7 × 21.7 × 1.5 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual overall body including rear housing. Published table rounding retained, rather than inferred dimensions from screen size.
Width784.1Height358.3Depth167.1mm(30.9 × 14.1 × 6.6 in)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 18 exact metric body dimensions. W x D x H source axes are correctly mapped. Rounded inch values are not converted back to fabricated precision.
Stand footprint
Not available
Not available
Weight with stand
14.77kg(32.6 lb)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual estimated Net weight with supplied stand.
10.4kg(22.9 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 18 own model row, without packaging. US imperial rounding differs in places, so the direct metric value takes precedence.
Weight without stand
13.58kg(29.9 lb)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual estimated weight without stand.
6.2kg(13.7 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 18 own model row without stand or packaging.
Box dimensions
Width1,070Height870Depth188mm(42.1 × 34.3 × 7.4 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual explicitly labels box W x H x D 1070 x 870 x 188 mm.
Width927Height295Depth550mm(36.5 × 11.6 × 21.7 in)4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact shipping W x H x D. Flat-packed box orientation is retained.
Box weight
20.07kg(44.2 lb)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own manual estimated Gross packaged weight.
15.5kg(34.2 lb)4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact shipping weight including packaging. This exceeds product weight.

Power

7 of 13 differ
Power supply
Internal7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1276474Read 5 October 2026
External adapter1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo external adapter.
Adapter rating
Not available
270W3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Page 18 adapter AD10660LF rated output is 20 V x 13.5 A, exactly 270 W. The 34-inch device input is separately 20 V x 11.5 A, 230 W.
Input voltage
100-240 V AC, 50/60 Hz2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026
100-240 V AC, 50/60 Hz1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo mains input, confirmed by manual page 18 adapter input. Not the monitor 20 V DC input.
Power use (typical)
Not available
Not available
Power use (max)
Not available
Not available
Power use SDR (EU label)
52.5W7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1276474Read 5 October 2026Current own exact EPREL SDR on-mode watts. Unlabelled manual Power On upper bound is not a typical value.
32.3W6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact-model English page 2 row 4 EU on-mode SDR power, at default 60 Hz. Not maker typical operating consumption.
Power use HDR (EU label)
70W7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1276474Read 5 October 2026Current own exact EPREL HDR on-mode watts, not rounded energy-label kWh.
38.9W6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact-model English page 2 row 6 EU on-mode HDR power. Not a peak power rating.
Standby power
0.5W7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1276474Read 5 October 2026Current exact EPREL equality replaces the manual less-than standby bound.
0.5W6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact-model English page 2 row 8 standby demand. Off mode is n.a. and not inferred as zero.
Off-mode power
0.3W7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1276474Read 5 October 2026Current exact EPREL equality replaces the manual less-than off-mode bound.
Not available
EU energy class SDR
G7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1276474Read 5 October 2026
G6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact-model English page 2 row 3.
EU energy class HDR
G7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1276474Read 5 October 2026
G6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact-model English page 2 row 5.
Energy per 1000 h SDR
53kWh9EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1276474.pdfRead 5 October 2026Exact energy label shows rounded 53 kWh per 1000 h SDR, separate from fiche 52.5 W.
32kWh7EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact EU label explicitly prints this integer. Not calculated from the decimal fiche wattage.
Energy per 1000 h HDR
70kWh9EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1276474.pdfRead 5 October 2026Exact energy label shows 70 kWh per 1000 h HDR.
39kWh7EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact EU label explicitly prints this HDR integer. Independently read, not inherited from SDR.

Certifications

2 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Flicker-free, Low Blue Light (Hardware Solution)1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Not available
Low blue light
Hardware1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026
Hardware4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact-model feature body names UL Low Blue Light Hardware Solution Platinum V745051. A Reader filter is a separate software setting.
ENERGY STAR
Not available
Not available
TCO Certified
Not available
Not available
EPEAT
Not available
Not available
Colour certifications
Not available
Not available
Other certifications
Not available
UL Flicker-Free Display A196009, UL Discomfort Glare Free V563481, UL Low Blue Light Hardware Solution Platinum V7450514Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact feature certificate footnote. Discomfort Glare Free V563481 uses UGR < 22.

In the box

2 of 2 differ
In the box
OLED Monitor, Monitor Base, Remote Controller, AAA batteries (2), ROG pouch, DisplayPort cable, HDMI cable, USB cable, Power cord, Quick start guide, Warranty card, Color calibration testing report, ROG sticker, Input/output port cover1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Current exact maker accessories list includes ROG pouch and remote controller. Bundles vary by region.2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own Package Contents 1-1 identifies monitor, base, remote and two AAA batteries. Manual accessories table and current maker list complement the regional bundle.
Monitor, Stand, AC/DC adapter, HDMI cable, DisplayPort cable, USB-C cable, Remote control1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo cables and included remote, with the monitor, stand and external adapter in the manual. Optional Magic Remote, regional paper report and unstated cable lengths are omitted.
Cables included
AASUS ROG Swift OLED PG42UQ
Type
DisplayPort cable
HDMI cable
USB cable
Power cord
Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG42UQ/ASUS_PG42UQ_English.pdfRead 5 October 2026Own maker cable list. Counts are not inferred.
BLG UltraGear 34GX90SA
Not available

Warranty

0 of 2 differ
Manufacturer warranty (source market)
2years1Maker product pagerog.asus.com/monitors/above-34-inches/rog-swift-oled-pg42uq-model/specRead 5 October 2026Current exact global maker page states 2 years including panel burn-in. Local terms can vary. EPREL supplier EU commercial guarantee of 3 years has a different regional scope and does not replace the global 2-year claim.
2years1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W AllInfo two-year parts and labor warranty and exact U.S. support. EU one-year regulatory guarantee metadata does not replace U.S. terms. Burn-in-specific coverage is not established.
Dead pixel policy
Not available
Not available

Both are also in the API. Back to all monitors.