Monitors / Compare
LG UltraGear 27GR83Q-B vs LG UltraGear evo GM9 27GM950B
Product A: LG
86 of 172 known
Change LG UltraGear 27GR83Q-B
Product B: LG
97 of 172 known
Change LG UltraGear evo GM9 27GM950B
68 of 164 fields differ
- 43 different values
- 25 known for one only
- 31 the same
- 65 missing for both
Biggest differences
Each bar uses the scale of all 179 monitors.
- Pixel densityA: 108.8ppiB: 217.6ppiUltraGear evo GM9 27GM950B is 108.8 ppi higher.
- Brightness (typical, SDR)A: 400nitsB: 750nitsUltraGear evo GM9 27GM950B is 350 nits higher.
- Power use SDR (EU label)Lower is betterA: 25.7WB: 41.6WUltraGear 27GR83Q-B is 15.9 W lower.
- Refresh rateA: 240HzB: 165HzUltraGear 27GR83Q-B is 75 Hz higher.
- Power use HDR (EU label)Lower is betterA: 44.6WB: 53.5WUltraGear 27GR83Q-B is 8.9 W lower.
Refresh rate per resolution
The best rate over any port. Bars run from 0 to 1200 Hz.
5120 × 2880Native for B
ANot listed
B165Hz
4736 × 2664
ANot listed
B165Hz
2560 × 1440Native for A
A240Hz
B330Hz
2368 × 1332
ANot listed
B330Hz
Size, drawn to scale
Front and side. Solid lines show the stand at its lowest. Dashed lines show it at its highest.
- AUltraGear 27GR83Q-B: 613.5 × 371.6 mm
- BUltraGear evo GM9 27GM950B: 614.5 × 360.1 mm
Weight
0 to 15 kg
Weight with stand
A6.2kg
B8.5kg
Weight without stand
A4.3kg
B5.7kg
Box weight
A8.6kg
B11.9kg
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)
$499.9911Reviewpcworld.com/article/2067236/lg-ultragear-27gr38q-b-review.htmlRead 11 October 2026Review lists $499.99 MSRP, with $399.99 typical retail. KitGuru reported $499 at launch. US price.12Press articlekitguru.net/peripherals/monitors/joao-silva/lg-unveils-three-new-lg-ultragear-gaming-monitorsRead 11 October 202631 August 2023 launch article: the GR83Q-B goes for $499. US price. The $499.99 MSRP is in the PCWorld review.
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Not available
Not available
Display
4 of 12 differ
Screen size
Viewable screen diagonal
Not available
Not available
Native resolution
Aspect ratio
Pixel density
108.8ppi
217.6ppi
Pixel pitch
Active display area
Not available
Curved
Curvature radius
Not available
Not available
Screen surface
Anti-reflection coating
Not available
Not available
Touchscreen
Not available
Not available
Panel
11 of 31 differ
Panel type
Panel type (as published)
Not available
Backlight
Local dimming
Not available
Dimming zones
Not available
2,3042Maker spec sheet (PDF)files.bbystatic.com/us0GylSyMfdsH3lLWlUJkg%3D%3D/61b2cd5e-fa69-47de-b2ad-7c5c7163a994.pdfRead 5 October 2026Own exact Local Dimming Zone row 2304, independently primary release. Physical mini LEDs total 9216 and are not zone count.8Press releaselg.com/us/press-release/ultragear-gx9-gm9-press-release.pdfRead 5 October 2026Own exact GM9 paragraph PDF page 2 separately states 9216 physical mini LEDs and 2304 local dimming zones. Original U.S. sheet agrees.
Panel maker
Not available
Not available
Panel part number
Not available
Not available
Panel generation
Not available
Not available
Subpixel layout
Not available
Not available
Colour depth
Colour depth method
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
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Static contrast ratio
Brightness (typical, SDR)
400nits3Maker product pagelg.com/be_fr/moniteurs/moniteurs-gaming-ultragear/27gr83q-bRead 11 October 2026Luminosite (Typ.) 400 cd/m2. The Spanish, Greek, Bulgarian and Israeli LG pages also say 400. The Canadian and Brazilian LG pages say 500, so the maker pages disagree.10Retailer pagenewegg.com/lg-27gr83q-b-27-qhd-240-hz-ultragear-ips-black/p/N82E16824026379Read 11 October 2026Listing copies LG US data: Brightness (Typ.) 400 cd/m2.
Brightness (maker minimum)
320nits3Maker product pagelg.com/be_fr/moniteurs/moniteurs-gaming-ultragear/27gr83q-bRead 11 October 2026Luminosite (Min.) 320 cd/m2. The Spanish and Israeli LG pages say the same.10Retailer pagenewegg.com/lg-27gr83q-b-27-qhd-240-hz-ultragear-ips-black/p/N82E16824026379Read 11 October 2026Listing: (Min.) 320 cd/m2.
Peak brightness (HDR)
Not available
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR certification
Viewing angle (horizontal)
Refresh rate and motion
12 of 22 differ
Refresh rate per resolution and port
ALG UltraGear 27GR83Q-B
| Resolution | HDMI 2.1 | DisplayPort 1.4 |
|---|---|---|
| 2560 × 1440Native | 240Hz | 240HzDSC |
BLG UltraGear evo GM9 27GM950B
| Resolution | HDMI 2.1 | DisplayPort 2.1 UHBR20 | USB-C DisplayPort 1.4 Alt Mode |
|---|---|---|---|
| 5120 × 2880Native | 165Hz | 165Hz | 144Hz |
| 4736 × 2664 | 165Hz | 165Hz | 144Hz |
| 2560 × 1440 | 330Hz | 330Hz | 288Hz |
| 2368 × 1332 | 330Hz | 330Hz | 288Hz |
Max refresh rate
240Hz
330Hz
Max refresh rate at native resolution
240Hz
165Hz
Max refresh rate over DisplayPort
240Hz
165Hz
Max refresh rate over HDMI
240Hz
165Hz
Max refresh rate over USB-C
Not available
144Hz
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
FreeSync Premium, G-SYNC Compatible, Adaptive-Sync, HDMI VRR1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026Features list AMD FreeSync Premium, G-SYNC Compatible and VRR. The manual names DisplayPort Adaptive-Sync and HDMI Variable Refresh Rate as the supported interfaces.4Owner's manualgscs-b2c.lge.com/downloadFileRead 11 October 2026Supported Interface: DisplayPort (Adaptive-Sync), HDMI (Variable Refresh Rate). A graphic card with NVIDIA G-SYNC or AMD FreeSync is needed.
G-SYNC Compatible, FreeSync Premium, VESA AdaptiveSync Display1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own exact named G-SYNC Compatible and FreeSync Premium. Original U.S. sheet names VESA Adaptive Sync and VESA Dual-Mode. No FreeSync Premium Pro or native G-SYNC module inherited from erroneous reviewer table.
VRR range per port
Not available
Not available
Low framerate compensation
Response time (maker GtG claim)
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Faster, Fast, Normal, Off4Owner's manualgscs-b2c.lge.com/downloadFileRead 11 October 2026Game Adjust, Response Time: Faster, Fast, Normal, Off.
Not available
Motion blur reduction
Not available
Blur-reduction technology
Not available
Blur reduction works with VRR
Not available
Not available
Flicker-free (claimed)
Black frame insertion
Not available
Not available
Measured
1 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
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
7 of 19 differ
Video inputs
ALG UltraGear 27GR83Q-B
| Type | Version | Count | DSC |
|---|---|---|---|
| DisplayPort | 1.4 | 1 | Yes |
| HDMI | 2.1 | 2 | Not available |
Source1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026Connectivity table lists DisplayPort 1ea and HDMI 2ea. The accessory table names HDMI ver 2.1. The UK page names DP version 1.4 (DSC).2Maker product pagelg.com/uk/monitors/gaming/27gr83q-bRead 11 October 2026DP Version 1.4 (DSC).4Owner's manualgscs-b2c.lge.com/downloadFileRead 11 October 2026DisplayPort 240 Hz timing is listed as input compatibility version 1.4 (DSC).
BLG UltraGear evo GM9 27GM950B
| Type | Version | Count |
|---|---|---|
| DisplayPort | 2.1 UHBR20 | 1 |
| HDMI | 2.1 | 2 |
| USB-C | DisplayPort 1.4 Alt Mode | 1 |
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
1.4
2.1 UHBR20
HDMI features
USB-C video (DP Alt Mode)
USB-C power delivered
Not available
Thunderbolt
Not available
Not available
USB upstream ports
ALG UltraGear 27GR83Q-B
| Connector | USB version | Count |
|---|---|---|
| USB-B | 3.0 | 1 |
BLG UltraGear evo GM9 27GM950B
| Connector | Count |
|---|---|
| USB-C | 1 |
USB downstream hub ports
ALG UltraGear 27GR83Q-B
| Connector | USB version | Count |
|---|---|---|
| USB-A | 3.0 | 2 |
BLG UltraGear evo GM9 27GM950B
| Connector | USB version | Count |
|---|---|---|
| USB-A | 3.2 Gen 1 | 2 |
Daisy chain (MST)
Not available
Not available
Ethernet
Not available
Not available
3.5 mm headphone output
3.5 mm microphone input
Optical out
Not available
Not available
Picture in picture
Not available
Not available
Picture by picture
Not available
Not available
Smart features
None of 4 known
Smart platform
Not available
Not available
Wi-Fi
Not available
Not available
Bluetooth
Not available
Not available
Remote control
Not available
Not available
Audio and camera
3 of 5 differ
Speakers
Number of speakers
Not available
Speaker power per channel
Not available
Webcam
Not available
Not available
Microphone
Not available
Not available
Ergonomics and controls
10 of 15 differ
Stand height adjustment
Tilt
Swivel
Not available
Pivot
Removable stand
Not available
VESA mount
VESA adapter needed
Security lock slot
On-screen menu controls
Joystick, Software4Owner's manualgscs-b2c.lge.com/downloadFileRead 11 October 2026Joystick button controls the menu. OnScreen Control software is supported.
Joystick, Buttons, Software3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed pages 9-10 show joystick and dedicated Dual Mode button. Page 18 LG Switch Personalized Picture Wizard and calibrated profiles operate display settings. PCWorld separately confirms LG Switch has the same display controls.9Reviewpcworld.com/article/3215049/lg-ultragear-evo-ai-gm9-review.htmlRead 5 October 2026Exact control paragraph explicitly LG Switch accesses the same monitor controls. Manual joystick and dedicated button evidence is separate.
Desktop software
LG OnScreen Control (LG Screen Manager), LG Calibration Studio1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026OnScreen Control (LG Screen Manager) is listed. LG Calibration Studio is named in the manual.
User firmware updates
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Not available
Gaming menu features
Black Stabilizer, Dynamic Action Sync, Crosshair, FPS Counter1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026Names as listed in the feature table.
Black Stabilizer, Dynamic Action Sync, Crosshair, FPS Counter, AI Upscaling, AI Scene Optimization, AI Sound1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Own AllInfo expressly names Black Stabilizer, Dynamic Action Sync, Crosshair and FPS Counter. AI Upscaling and AI Sound are own page key features, with full AI Boost menu names and conditions separately sourced to manual pages 18-19 and primary release.3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed pages 18-19 name three AI Boost controls and gaming controls, independently own U.S. table for Dynamic Action Sync. Crosshair and FPS Counter are mutually exclusive. AI Scene Optimization requires Personalized Picture, Gamer 1, Gamer 2, FPS, RTS, Vivid or Max Brightness. AI Sound applies to internal speakers and connected headphones. AI Upscaling minimum input is unresolved: April 7 release footnote 12 and current product-page footnote 3 claim at least WFHD, while current own-page footnote 2 recommends 1080p at 60 Hz and PCWorld directly observed 1080p Nintendo Switch upscaling. Stored feature names do not assert a minimum input resolution.
OLED care
None of 3 known
OLED care
Not available
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
Width613.5Height (lowest)467.7Height (highest)577.7Depth253.7mm(24.2 × 18.4 to 22.7 × 10 in)1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026613.5 x 577.7 x 253.7 (UP) and 613.5 x 467.7 x 253.7 (DOWN).
Width615Height (lowest)405Height (highest)535Depth249mm(24.2 × 15.9 to 21.1 × 9.8 in)4Maker product pagelg.com/jp/monitors/gaming-monitors/27gm950b-bRead 5 October 2026Own original base-model table directly states 615 x 405-535 x 249 mm with stand. All dimensions retain this whole-mm source precision and explicitly published minimum/maximum height endpoints. Own U.S. manual and UK 614.5 x 535.3 x 249.1 mm corroborate the rounded upper position. Minimum height is not computed from stand travel. Regional warranty, package cables and Japanese JAN are not inherited.
Dimensions without stand
Width613.5Height371.6Depth51.3mm(24.2 × 14.6 × 2 in)1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026613.5 x 371.6 x 51.3.
Width614.5Height360.1Depth70mm(24.2 × 14.2 × 2.8 in)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 direct body metrics, independently exact UK table. Rounded inches in early U.S. sheet are not converted.
Stand footprint
Not available
Not available
Weight with stand
Weight without stand
Box dimensions
Width691Height184Depth498mm(27.2 × 7.2 × 19.6 in)1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026Dimension in Shipping (W x H x D) 691 x 184 x 498.
Width811Height166Depth491mm(31.9 × 6.5 × 19.3 in)5Maker product pagelg.com/uk/monitors/gaming-monitor/27gm950b-bRead 5 October 2026Own exact shipping W x H x D table, matching original Japanese base model. Flat-packed box orientation retained.
Power
8 of 13 differ
Power supply
Adapter rating
Input voltage
Power use (typical)
50W1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026Power Consumption (Typ.) 50W. The manual states the same 50 W typical.4Owner's manualgscs-b2c.lge.com/downloadFileRead 11 October 2026On mode 50 W (Typical), measured with the LGE test standard: full white pattern at maximum resolution.
Not available
Power use (max)
Not available
Power use SDR (EU label)
25.7W5Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 11 October 2026EU Product Information Sheet row 4, on mode SDR 25.7 W, class F. The sheet lists model identifier 27GR83Q and refresh rate 60 Hz.6EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1559054_EN.pdfRead 11 October 2026EPREL on mode power demand SDR 25.7 W, class F, at the default 60 Hz.
Power use HDR (EU label)
Standby power
Off-mode power
EU energy class SDR
EU energy class HDR
Energy per 1000 h SDR
Energy per 1000 h HDR
Certifications
2 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Not available
TÜV Rheinland Anti-blooming Hyper Mini LED8Press releaselg.com/us/press-release/ultragear-gx9-gm9-press-release.pdfRead 5 October 2026Own exact GM9 paragraph PDF page 2 expressly TÜV Rheinland-certified Anti-blooming Hyper Mini LED. Certificate number unstated. Not a low-blue-light or flicker certificate.
Low blue light
Not available
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
Not available
In the box
2 of 2 differ
In the box
HDMI cable (ver 2.1), AC/DC adapter, DisplayPort cable, Power cord (depends on country), USB A-to-B cable1Maker product pagelg.com/ca_en/monitors/gaming/27gr83q-bRead 11 October 2026Accessory table: HDMI (ver 2.1), Adapter, Display Port, Power Cord (depends on country), USB A to B.
Monitor, Stand, AC/DC adapter, Power cable, HDMI cable, DisplayPort cable, USB-C cable1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own U.S. three cable rows and manual stand/power assembly. Regional cable lengths, report, remote and paper extras are unstated.
Cables included
ALG UltraGear 27GR83Q-B
| Type |
|---|
| HDMI |
| DisplayPort |
| USB A-to-B |
BLG UltraGear evo GM9 27GM950B
Not availableWarranty
0 of 2 differ
Manufacturer warranty (source market)
1year5Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 11 October 2026Minimum duration of the general guarantee offered by the supplier is 1 year in this EU sheet. Other markets can differ.6EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1559054_EN.pdfRead 11 October 2026EPREL minimum duration of the general guarantee offered by the supplier is 1 year.
Dead pixel policy
Not available
Not available
Links
Not compared
Product page
Spec sheet
Not available
files.bbystatic.com/us0GylSyMfdsH3lLWlUJkg%3D%3D/61b2cd5e-fa69-47de-b2ad-7c5c7163a994.pdf2Maker spec sheet (PDF)files.bbystatic.com/us0GylSyMfdsH3lLWlUJkg%3D%3D/61b2cd5e-fa69-47de-b2ad-7c5c7163a994.pdfRead 5 October 2026Original one-page LG Electronics USA 27GM950B-B.AUS sheet dated March 29, 2026, publicly hosted by Best Buy. Visually read exact identity and table. Old generic copyright 2024 does not change printed model/date. Current manual overrides any later input limits.
Both are also in the API. Back to all monitors.












