Monitors / Compare
LG UltraGear 27GX700A vs LG UltraGear 34GX90SA
Product A: LG
95 of 172 known
Change LG UltraGear 27GX700A
Compare the LG UltraGear 34GX90SA with
Product B: LG
103 of 172 known
Change LG UltraGear 34GX90SA
Compare the LG UltraGear 27GX700A with
83 of 164 fields differ
- 46 different values
- 37 known for one only
- 29 the same
- 52 missing for both
Biggest differences
Each bar uses the scale of all 179 monitors.
- Power use HDR (EU label)Lower is betterA: 24.6WB: 38.9WUltraGear 27GX700A is 14.3 W lower.
- Power use SDR (EU label)Lower is betterA: 22.5WB: 32.3WUltraGear 27GX700A is 9.8 W lower.
- Brightness (typical, SDR)A: 335nitsB: 275nitsUltraGear 27GX700A is 60 nits higher.
- Refresh rateA: 280HzB: 240HzUltraGear 27GX700A is 40 Hz higher.
- Peak brightness (HDR)A: 1,500nitsB: 1,300nitsUltraGear 27GX700A 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
A280Hz
BNot listed
Size, drawn to scale
Front and side. Solid lines show the stand at its lowest. Dashed lines show it at its highest.
- AUltraGear 27GX700A: 605.2 × 351 mm
- BUltraGear 34GX90SA: 784.1 × 358.3 mm
Weight
0 to 15 kg
Weight with stand
A9kg
B10.4kg
Weight without stand
A4.8kg
B6.2kg
Box weight
A12.2kg
B15.5kg
All 172 fields
Every value links to where we found it.


General
2 of 8 differ
Series
Model numbers
GTIN / EAN
Announced
Not available
Not available
Status
Not available
Not available
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Not available
Not available
Display
11 of 12 differ
Screen size
Viewable screen diagonal
26.5in(67.3 cm)5Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202606_monitor_ultragear.pdfRead 5 October 2026
Not available
Native resolution
Aspect ratio
Pixel density
110.8ppi
109.7ppi
Pixel pitch
Active display area
Curved
Curvature radius
Not available
Screen surface
Not available
Anti-reflection coating
Not available
Touchscreen
Not available
Not available
Panel
12 of 31 differ
Panel type
Panel type (as published)
Primary RGB Tandem OLED7Reviewrtings.com/monitor/reviews/lg/27gx700a-bRead 5 October 20268Press articlenotebookcheck.net/LG-UltraGear-OLED-27GX700A-New-Tandem-OLED-gaming-monitor-receives-US-release.1111145.0.htmlRead 5 October 2026September 10 report explicitly identifies this exact monitor as using LG Display Primary RGB Tandem OLED technology. The Primary prefix is backed by this source, while RTINGS independently calls the panel fourth-generation RGB Tandem WOLED.
Backlight
None (self-emissive)7Reviewrtings.com/monitor/reviews/lg/27gx700a-bRead 5 October 2026
Local dimming
Not available
Not available
Dimming zones
Not available
Not available
Panel part number
Not available
Not available
Panel generation
Not available
Subpixel layout
Not available
Not available
Colour depth
Not available
Colour depth method
Not available
Not available
Displayable colours
sRGB coverage
Not available
Not available
DCI-P3 coverage
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Claimed Delta E
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Static contrast ratio
Brightness (typical, SDR)
Brightness (maker minimum)
Peak brightness (HDR)
HDR peak test window
Full-screen brightness
Not available
HDR formats
HDR certification
DisplayHDR True Black 5001Maker product pagelg.com/us/monitors/lg-27gx700a-b-gaming-monitorRead 5 October 2026
Viewing angle (horizontal)
Refresh rate and motion
11 of 22 differ
Refresh rate per resolution and port
ALG UltraGear 27GX700A
| Resolution | HDMI 2.1 | DisplayPort 1.4 |
|---|---|---|
| 2560 × 1440Native | 280Hz | 280Hz |
BLG UltraGear 34GX90SA
| Resolution | HDMI 2.1 | DisplayPort 1.4 | USB-C |
|---|---|---|---|
| 3440 × 1440Native | 240Hz | 240HzDSC | 240HzDSC |
Max refresh rate
280Hz
240Hz
Max refresh rate at native resolution
280Hz
240Hz
Max refresh rate over DisplayPort
280Hz
240Hz
Max refresh rate over HDMI
280Hz
240Hz
Max refresh rate over USB-C
Not available
240Hz
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
FreeSync Premium Pro, G-SYNC Compatible, VESA AdaptiveSync Display, Adaptive-Sync, HDMI VRR1Maker product pagelg.com/us/monitors/lg-27gx700a-b-gaming-monitorRead 5 October 2026Named FreeSync Premium Pro, G-SYNC Compatible and VESA AdaptiveSync. The manual separately names DP Adaptive-Sync and HDMI VRR. Generic G-Sync Yes is not treated as a hardware-module claim.
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
ALG UltraGear 27GX700A
| Input | Min (Hz) | Max (Hz) |
|---|---|---|
| HDMI | 48 | 280 |
| DisplayPort | 48 | 280 |
BLG UltraGear 34GX90SA
Not availableLow framerate compensation
Not available
Response time (maker GtG claim)
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Not available
Not available
Motion blur reduction
Not available
Blur-reduction technology
Not available
Not available
Blur reduction works with VRR
Not available
Not available
Flicker-free (claimed)
Black frame insertion
Not available
Not available
Measured
2 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)
Not available
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
Not available
SDR brightness (measured)
Not available
HDR brightness in a real scene (measured)
Not available
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
11 of 19 differ
Video inputs
ALG UltraGear 27GX700A
| Type | Version | Count | HDCP |
|---|---|---|---|
| HDMI | 2.1 | 2 | 2.3 |
| DisplayPort | 1.4 | 1 | 2.3 |
BLG UltraGear 34GX90SA
| Type | Version | Count | DSC | HDCP |
|---|---|---|---|---|
| HDMI | 2.1 | 2 | Not available | Not available |
| DisplayPort | 1.4 | 1 | Yes | 2.3 |
| USB-C | Not available | 1 | Not available | Not available |
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
1.4
1.4
HDMI features
Not available
Not available
USB-C video (DP Alt Mode)
USB-C power delivered
Not available
Thunderbolt
Not available
Not available
USB upstream ports
ALG UltraGear 27GX700A
| Connector | USB version | Count |
|---|---|---|
| USB-B | 3.0 | 1 |
USB downstream hub ports
ALG UltraGear 27GX700A
| Connector | USB version | Count |
|---|---|---|
| USB-A | 3.0 | 2 |
BLG UltraGear 34GX90SA
| Connector | USB version | Count |
|---|---|---|
| USB-A | 2.0 | 2 |
Daisy chain (MST)
Not available
Ethernet
3.5 mm headphone output
3.5 mm microphone input
Optical out
Picture in picture
Not available
Smart features
3 of 4 differ
Smart platform
Not available
Wi-Fi
Not available
Bluetooth
Not available
Not available
Audio and camera
4 of 5 differ
Speakers
Number of speakers
Not available
Not available
Speaker power per channel
Not available
Webcam
Not available
Ergonomics and controls
6 of 15 differ
Stand height adjustment
Tilt
Forward5°Backward15°2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026
Swivel
Pivot
Not available
Removable stand
VESA mount
VESA adapter needed
Security lock slot
On-screen menu controls
Desktop software
Not available
User firmware updates
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Gaming menu features
Black Stabilizer, Crosshair, FPS Counter2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed p19. Crosshair and FPS Counter cannot be used simultaneously. Dynamic Action Sync is not interpreted as a numeric input-lag result.
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 Move, OLED Screen Saver, OLED Image Cleaning2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed p21 names Screen Move, Screen Saver and Image Cleaning. Cleaning takes approximately ten minutes and runs after four hours of accumulated use. No sensor or later sibling care feature is inferred.
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)469.3Height (highest)579.3Depth249.1mm(23.8 × 18.5 to 22.8 × 9.8 in)4Maker product pagelg.com/uk/monitors/gaming/27gx700a-bRead 5 October 2026Maker explicitly labels Up 605.2 x 579.3 x 249.1 mm and Down 605.2 x 469.3 x 249.1 mm. Manual extended metrics match. No minimum height is calculated.
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
Width605.2Height351Depth45.3mm(23.8 × 13.8 × 1.8 in)2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed p23 direct metric 605.2 x 351.0 x 45.3 mm. US bare depth 1.8-inch rounded partner conflicts with the manual 1.7-inch partner, so the metric dimensions take priority.
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
Weight without stand
Box dimensions
Width820Height183Depth532mm(32.3 × 7.2 × 20.9 in)4Maker product pagelg.com/uk/monitors/gaming/27gx700a-bRead 5 October 2026Published shipping WxHxD 820 x 183 x 532 mm. Some retailer aggregators swap height and depth, which are not used.
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
Power
8 of 13 differ
Power supply
Adapter rating
Not available
Input voltage
Power use (typical)
Not available
Not available
Power use (max)
Not available
Not available
Power use SDR (EU label)
Power use HDR (EU label)
Standby power
Off-mode power
Not available
EU energy class SDR
EU energy class HDR
Energy per 1000 h SDR
Energy per 1000 h HDR
Certifications
4 of 9 differ
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Not available
Not available
Low blue light
Not available
ENERGY STAR
Not available
Not available
TCO Certified
Not available
Not available
EPEAT
Not available
Not available
Colour certifications
UL Perfect Black, UL Perfect Color with 100% Color Fidelity, UL Perfect Reproduction1Maker product pagelg.com/us/monitors/lg-27gx700a-b-gaming-monitorRead 5 October 2026Current maker footnote 2 identifies panel-level Perfect Black V183632, Perfect Color V569367 and Perfect Reproduction V756760. These are certification names, not numeric colour-error measurements.
Not available
Other certifications
UL Discomfort Glare Free, UL Eyesafe 3.0 CPF60, UL Eyesafe 3.0 RPF401Maker product pagelg.com/us/monitors/lg-27gx700a-b-gaming-monitorRead 5 October 2026Current panel claims. Glare certificate V563481 is qualified by UGR less than 22. Eyesafe 3.0 CPF60 V745354 and RPF40 V275741 are not inferred as a TÜV certificate or a launch-time 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
Monitor, Stand riser, Stand base, Power adapter, Power cord, DisplayPort cable, HDMI cable, USB-A to USB-B cable, Documentation12Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Exact US QSG MFL05762442, 2509REV01, cover names only 27GX700A. Stand, adapter/power alternatives and documentation pictured. US own page confirms HDMI, DP, USB-A to B inclusion. Counts and a paper calibration report are unproved and omitted.
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 27GX700A
| Type |
|---|
| DisplayPort cable |
| HDMI cable |
| USB-A to USB-B cable |
BLG UltraGear 34GX90SA
Not availableWarranty
0 of 2 differ
Manufacturer warranty (source market)
Dead pixel policy
Not available
Not available
Links
Not compared
Product page
Spec sheet
www.lg.com/content/dam/channel/wcms/jp/catalog/pdf/202606_monitor_ultragear.pdf5Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202606_monitor_ultragear.pdfRead 5 October 2026June 2026 manufacturer UltraGear catalogue, four PDF pages, text outlined rather than extractable. Exact 27GX700A-B column on printed pp5-6 was visually inspected. Japanese regional prices and box accessories are not inherited.
www.lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdf5Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026March 2025 maker technical catalogue, PDF page 4, printed pages 5-6. Only the exact 34GX90SA-W column is used.
Manual
gscs-b2c.lge.com/downloadFile2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Exact US support download 27GX700A_ENG_US.pdf, cover names 27GX700A. The full PDF and separate quick guide were opened. No 27GX790A dimensions or controls are inherited.
gscs-b2c.lge.com/downloadFile3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Exact-model English manual linked by U.S. support. The ZIP contains ENG_US.pdf and separate safety information. Both 34GX90SA and 39GX90SA are named on its cover. The manual date is not product retail availability.
Both are also in the API. Back to all monitors.
















