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LG UltraGear 27GX790B vs LG UltraGear 34GX90SA

Product A: LG

UltraGear 27GX790B

103 of 172 known
Change LG UltraGear 27GX790B

Compare the LG UltraGear 34GX90SA with

Product B: LG

UltraGear 34GX90SA

103 of 172 known
Change LG UltraGear 34GX90SA

Compare the LG UltraGear 27GX790B with

88 of 164 fields differ

Download CSVDownload JSON
  • 50 different values
  • 38 known for one only
  • 28 the same
  • 48 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Refresh rateA: 540HzB: 240HzUltraGear 27GX790B is 300 Hz higher.
  2. Response timeLower is betterA: 0.02msB: 0.03msUltraGear 27GX790B is 0.01 ms lower.
  3. Power use HDR (EU label)Lower is betterA: 28.5WB: 38.9WUltraGear 27GX790B is 10.4 W lower.
  4. Power use SDR (EU label)Lower is betterA: 24.7WB: 32.3WUltraGear 27GX790B is 7.6 W lower.
  5. Brightness (typical, SDR)A: 335nitsB: 275nitsUltraGear 27GX790B is 60 nits higher.
  6. Full-screen brightnessA: 335nitsB: 275nitsUltraGear 27GX790B is 60 nits higher.
  7. Peak brightness (HDR)A: 1,500nitsB: 1,300nitsUltraGear 27GX790B is 200 nits higher.

Refresh rate per resolution

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

3440 × 1440Native for B
ANot listed
B240Hz
2560 × 1440Native for A
A540Hz
BNot listed
2368 × 1332
A540Hz
BNot listed
1280 × 720
A720Hz
BNot listed

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
A6.8kg
B10.4kg
Weight without stand
A4.3kg
B6.2kg
Box weight
A9.8kg
B15.5kg

All 172 fields

Every value links to where we found it.

ALG UltraGear 27GX790B
BLG UltraGear 34GX90SA

General

5 of 8 differ
Series
UltraGear1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026INFO: Product name UltraGear
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
27GX790B-B, 27GX790B-B.AUS, 27GX790B-B.AEU, 27GX790B-B.AEK, 27GX790B-B.AHK1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Regional suffixes from the LG UK, DE, HK and US pages2Maker product pagelg.com/de/monitore/gaming/27gx790b-bRead 30 September 20263Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 20264Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 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
195174137055, 8806096678008, 8806096736500, 88060966713131Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 20268806096736500 on this UK page (27GX790B-B.AEK). The DE, HK and US codes come from the other sources2Maker product pagelg.com/de/monitore/gaming/27gx790b-bRead 30 September 2026EAN 8806096678008 for SKU 27GX790B-B.AEU3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026EAN 8806096671313 for SKU 27GX790B-B.AHK4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026UPC 195174137055
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
December 20258Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026China launch reported 2025-12-10
Not available
Status
Available1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026On sale at 599.98 GBP (list 899.99 GBP) on the date accessed
Not available
Predecessor
LG UltraGear 27GX790A11Reviewrtings.com/monitor/reviews/lg/27gx790b-bRead 30 September 2026RTINGS says the 27GX790B-B is a newer version of the 27GX790A-B with a higher native refresh rate.
Not available
Successor
Not available
Not available
Launch price (US)
$999.9910Press releaselgusnewsroom.com/press-release/the-ultragear-gx7-is-changing-the-game-as-lgs-fastest-and-brightest-oled-gaming-monitor-to-dateRead 30 September 2026January 6, 2026 U.S. rollout announcement: pre-order retail price $999.99.
$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
US, DE, GB, HK1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026GB from this page, DE and HK from LG Germany and LG Hong Kong, US from the LG US spec sheet2Maker product pagelg.com/de/monitore/gaming/27gx790b-bRead 30 September 20263Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 20264Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026
Not available
Colours
Not available
Not available
Segment
Gaming1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Gaming1Maker product pagelg.com/us/monitors/lg-34gx90sa-w-gaming-monitorRead 5 October 2026Exact U.S. 34GX90SA-W gaming monitor category.

Display

10 of 12 differ
Screen size
26.5in(67.3 cm)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Size [Inch] 26.5. Marketed as 27-inch
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
Not available
Not available
Native resolution
2560 × 1440px1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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 pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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
110.8ppi
109.7ppi
Pixel pitch
0.2292mm1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
Not available
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
No8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026Flat format
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
Matte8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026Standard matte anti-glare. RTINGS also calls the coating matte
Not available
Anti-reflection coating
Not available
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

12 of 31 differ
Panel type
WOLED8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026LG Display 4th-Gen WOLED, Primary RGB Tandem
WOLED4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact-model feature body explicitly names LG WOLED.
Panel type (as published)
Primary RGB Tandem OLED7Press releaselgusnewsroom.com/press-release/lg-unveils-ultragear-evo-redefining-5k-gaming-with-worlds-first-ai-upscaling-technologyRead 30 September 2026QHD Primary RGB Tandem OLED display. Global sales from the opening day of CES 2026
WOLED4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact maker technology name.
Backlight
None (self-emissive)8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026
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 Display8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026
Not available
Panel part number
Not available
Not available
Panel generation
4th Gen8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026
Not available
Subpixel layout
Not available
Not available
Colour depth
10bits5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 20268-bit/ 10-bit color is supported. Method not stated
Not available
Colour depth method
Not available
Not available
Displayable colours
1.07 billion1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Published as 1.07B
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
99.5%3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026Color Gamut (Typ.) DCI-P3 99.5% (CIE1976), Min. 94.0%
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
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
Not available
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
Not available
Not available
Hardware calibration support
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
1,500,000:11Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Contrast Ratio (Typ.) 1500000:1, Min. 1200000:1
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)
335nits1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Brightness (Typ.) 335 cd/m2, Min. 300 cd/m2
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)
300nits1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026DISPLAY: Brightness (Min.) 300 cd/m². Minimum guaranteed specification, not the lowest brightness setting.
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)
1,500nits8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 20261500 nits (1.5% APL)
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
1.5%8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026Stated as 1.5% APL
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
335nits8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026335 nits for 100% APL
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 pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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
DisplayHDR True Black 5001Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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 pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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 pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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

11 of 22 differ
Refresh rate per resolution and port
ALG UltraGear 27GX790B
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 2.1USB-C
2560 × 1440Native540Hz540HzDSC540HzDSC
2368 × 1332540Hz540Hz540Hz
1280 × 720720Hz720Hz720Hz
Source5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Support Mode pages 24-27: native QHD 540, HD 720 Dual-Mode and 2368×1332@540 in 24.5-inch crop mode. DP/USB-C share one table. QHD 540 recommended timing requires Input Compatibility 1.4(DSC) or 2.1(DSC), including USB-C. HDMI native 540 uses 2.1(PC). 1080p240 and HDMI 4K120 are preset signals, not established maxima.
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
720Hz
240Hz
Max refresh rate at native resolution
540Hz
240Hz
Max refresh rate over DisplayPort
540Hz
240Hz
Max refresh rate over HDMI
540Hz
240Hz
Max refresh rate over USB-C
540Hz
240Hz
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
540Hz1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
Not available
Not available
Dual mode
Yes4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026VESA Dual-Mode QHD 540Hz / HD 720Hz
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
VESA AdaptiveSync Display, HDMI VRR, FreeSync Premium Pro, G-SYNC Compatible, Adaptive-Sync1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Key Features explicitly says VESA certified AdaptiveSync, NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro. This proves the named VESA certification, separately from generic DP protocol support.5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Adaptive-Sync/VRR section explicitly says supported interfaces DisplayPort(Adaptive-Sync), HDMI(VRR). This backs generic adaptive_sync and hdmi_vrr, not VESA certification.
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
Not available
Not available
Low framerate compensation
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Exact-model maker claim for FreeSync Premium Pro supplies the product tier. AMD official definition supplies its required LFC feature. Compatible GPU/mode conditions apply.13Maker product pageamd.com/en/resources/support-articles/faqs/DH3-013.htmlRead 30 September 2026Official tier definition explicitly includes LFC in FreeSync Premium Pro. Applies when a compatible AMD GPU and supported FreeSync mode are enabled. No all-input VRR-range claim is inferred.
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)
0.02ms1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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
Not available
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 pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Eye-comfort section: LG WOLED panel verified Flicker-Free by UL, certificate A196009. This is a panel-level maker claim, not a claim that VRR flicker never occurs.
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
Not available
Not available

Measured

3 of 12 differ
Input lag at maximum refresh rate
Not available
Not available
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
0.06ms14Reviewchimolog.co/lg-27gx790bRead 8 October 2026Reviewer-purchased Japanese 27GX790B-B, the same marketed model as the catalog regional rows. Dual-Mode at 1280 × 720 and 720 Hz gives a mean of 0.06 ms across 30 grey transitions, measured from 10% to 90%. The text also gives 61 microseconds before rounding. No separate overdrive setting is reported. Native 2560 × 1440 at 540 Hz gives a separate 0.08 ms mean. The optical-sensor and oscilloscope method is linked in the article. These are sample measurements. Regional warranty and bundle claims are not transferred.
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
Not available
SDR brightness (measured)
249nits9Reviewtomsguide.com/computing/monitors/lg-ultragear-27gx790b-b-reviewRead 30 September 2026249 nits SDR in the Max Brightness mode. Window size not stated. 561 nits HDR on a 10% window
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)
Not available
Not available
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

12 of 19 differ
Video inputs
ALG UltraGear 27GX790B
TypeVersionCountDSC
HDMI2.12Not available
DisplayPort2.11Yes
USB-CNot available1Not available
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026HDMI YES(2ea), DisplayPort YES(1ea), DP Version 2.1, USB-C Yes. HDMI 2.1 from the accessory and US spec sheet. DSC per the manual timing table4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026HDMI Yes x 2, Supports FRL as compliant with HDMI 2.1. DisplayPort Yes x 1, DP Version 2.1. USB Type-C Yes x 15Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026DisplayPort needs DSC for 2560x1440 at 540 Hz (Input Compatibility 1.4(DSC) or 2.1(DSC))
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
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
2.1
1.4
HDMI features
VRR5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026HDMI (VRR)
Not available
USB-C video (DP Alt Mode)
Yes5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026DP Alternate Mode (DP over USB-C) are supported via USB-C Port
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
5W11Reviewrtings.com/monitor/reviews/lg/27gx790b-bRead 30 September 2026Public Office verdict explicitly says USB-C is limited to 5 W Power Delivery. Detailed test cells are membership-locked and were not used.
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
ALG UltraGear 27GX790B
ConnectorCount
USB-C1
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026USB Upstream Port YES(via USB-C)
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
ALG UltraGear 27GX790B
ConnectorUSB versionCount
USB-A3.02
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026USB Downstream Port YES(2ea/ver3.0). USB-A per TFTCentral and Tom's Guide
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
Not available
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 pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Headphone out 4-pole (Sound+Mic), one combined jack
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table Mic In No and three-pole sound-only output.
Optical out
Not available
No4Maker product pagelg.com/uk/monitors/gaming/34gx90sa-wRead 5 October 2026Exact table SPDIF Optical Digital Audio Out No.
Picture in picture
Not available
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
Not available
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

3 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
Not available
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
No14Reviewchimolog.co/lg-27gx790bRead 8 October 2026The exact review lists no built-in speakers. Four-pole headphone output and the power-on buzzer are separate features.
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
Not available
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

7 of 15 differ
Stand height adjustment
130mm5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Max. 130.0 mm
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°Backward21°5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026-5 to 21 degrees
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
Left30°Right30°5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 202630 degrees to the left or to the right
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
Counterclockwise90°5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 202690 degrees counter-clockwise
Not available
Removable stand
Yes5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Wall mount installation with the stand removed
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
100 x 1001Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
Yes5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 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, Buttons5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Product and Button Description, page 9: joystick button and separate Dual mode button.
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
LG Switch5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Software list: Monitor Driver / LG Switch / LG Calibration Studio / Dual Controller
Not available
User firmware updates
Not available
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Yes3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026RGB LED Lighting: Unity Hexagon Lighting
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
Black Stabilizer, Crosshair, FPS Counter, Dynamic Action Sync, User-defined Key, Dual-Mode1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026FEATURES list. Dual-Mode and User-defined Key names from the manual5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 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

1 of 3 differ
OLED care
OLED Screen Saver, OLED Image Cleaning5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026
Not available
Burn-in covered by warranty
Not available
Not available
Burn-in warranty length
Not available
Not available

Dimensions and weight

6 of 7 differ
Dimensions with stand
Width605.2Height (lowest)397.6Height (highest)527.6Depth220mm(23.8 × 15.7 to 20.8 × 8.7 in)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026605.2x527.6x220(Up)/605.2x397.6x220(Down)
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
Width605.2Height351Depth51.2mm(23.8 × 13.8 × 2 in)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
6.8kg(15 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
4.3kg(9.5 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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
Width790Height182Depth496mm(31.1 × 7.2 × 19.5 in)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Published as Dimension in Shiping (W x H x D) 790x182x496. Height and depth look swapped, stored as published
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
9.8kg(21.6 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
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

9 of 13 differ
Power supply
External adapter1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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
110W5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Printed page 23 names ADS-120QL-19A-3 190110E and MS-Z5790R190-110D0-E adapters with rated output 19 V at 5.79 A. These output ratings corroborate the reviewed adapter. The stored 110 W is the review explicitly published maximum adapter wattage. The monitor 19 V at 5.0 A input rating is separate and is not maximum consumption.14Reviewchimolog.co/lg-27gx790bRead 8 October 2026The reviewed supplied adapter is explicitly described as maximum 110 W with 19.0 V × 5.79 A output. The exact-model maker manual independently gives the same output rating for its two named adapter models. Japanese PSE registration and box contents are not transferred.
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 Hz1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 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)
25W3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026Power Consumption (Typ.) 25W. Not listed on the UK page
Not available
Power use (max)
46.32W3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026Power Consumption (Max.) 46.32W
Not available
Power use SDR (EU label)
24.7W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
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)
28.5W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
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
0.5W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
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
0.3W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 20260.3 W. The US spec sheet says less than 0.5W
Not available
EU energy class SDR
F6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
G6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact-model English page 2 row 3.
EU energy class HDR
G6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 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
25kWh12EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2498871.svgRead 30 September 2026Published energy label SDR kWh/1000h value, read directly from label.
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
29kWh12EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2498871.svgRead 30 September 2026Published energy label HDR kWh/1000h value, read directly from label.
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

3 of 9 differ
VESA ClearMR
21,0004Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Not available
Not available
Low blue light
Not available
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
UL Verified Perfect Black, UL Verified Perfect Color, UL Discomfort Glare Free, UL Eyesafe 3.0 CPF60, UL Eyesafe 3.0 RPF401Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Product highlights and eye-comfort section name these UL verifications for the OLED panel. Discomfort Glare Free V563481 (UGR<22), Eyesafe CPF60 V745354, RPF40 V275741. Panel verifications, not a blanket system certification.
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
HDMI cable (ver 2.1), DisplayPort cable (ver 2.1)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Published ACCESSORY list names these two included cables. This is the published list, not an assertion of a complete physical inventory.
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
ALG UltraGear 27GX790B
Type
HDMI (ver 2.1)
DisplayPort (ver 2.1)
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026ACCESSORY: HDMI YES (ver 2.1), Display Port YES (ver 2.1)
BLG UltraGear 34GX90SA
Not available

Warranty

0 of 2 differ
Manufacturer warranty (source market)
2years4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026Limited Warranty 2 Year Parts and Labor. Market: US
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.