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LG UltraGear 25G590B vs LG UltraGear 27GP850

Product A: LG

UltraGear 25G590B

105 of 172 known
Change LG UltraGear 25G590B

Compare the LG UltraGear 27GP850 with

Product B: LG

UltraGear 27GP850

102 of 172 known
Change LG UltraGear 27GP850

Compare the LG UltraGear 25G590B with

72 of 164 fields differ

Download CSVDownload JSON
  • 51 different values
  • 21 known for one only
  • 37 the same
  • 55 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Refresh rateA: 1,100HzB: 180HzUltraGear 25G590B is 6.1 times higher.
  2. Power use (max)Lower is betterA: 28WB: 65WUltraGear 25G590B is 37 W lower.
  3. Power use HDR (EU label)Lower is betterA: 28.5WB: 50WUltraGear 25G590B is 21.5 W lower.
  4. Power use SDR (EU label)Lower is betterA: 18.1WB: 27.6WUltraGear 25G590B is 9.5 W lower.
  5. Pixel densityA: 89.9ppiB: 108.8ppiUltraGear 27GP850 is 18.9 ppi higher.

Refresh rate per resolution

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

2560 × 1440Native for B
ANot listed
B180Hz
1920 × 1080Native for A
A1100Hz
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
A5.2kg
B6.3kg
Weight without stand
A3.5kg
B4.2kg
Box weight
A7.1kg
B9.1kg

All 172 fields

Every value links to where we found it.

ALG UltraGear 25G590B
BLG UltraGear 27GP850

General

5 of 8 differ
Series
UltraGear1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Product name UltraGear, 25-inch UltraGear G5.
UltraGear1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own gaming line.
Model numbers
25G590B-B, 25G590B, 25G590B-B.AUS, 25G590B-B.AEK, 25G590B-B.AEU2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026The Canada page title and URL use 25G590B-B.AUS. The EU sheet uses 25G590B.3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Page data lists model 25G590B-B with SKU 25G590B-B.AEK.EEUK.UK.C.8Maker product pagelg.com/pl/monitory/ultragear-gaming/25g590b-bRead 14 October 2026Page data lists model 25G590B-B with SKU 25G590B-B.AEU.EEPL.PL.C. The EU sheet uses 25G590B.
27GP850-B1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own U.S. marketed model. Regional suffix from a linked support address is not assumed to be another product variant.
GTIN / EAN
8806096933923, 88060969337253Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Page data lists EAN 8806096933923 for the UK model 25G590B-B.AEK.8Maker product pagelg.com/pl/monitory/ultragear-gaming/25g590b-bRead 14 October 2026Page data lists EAN 8806096933725 for the Polish model 25G590B-B.AEU.
1951740085081Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Exact U.S. productData AllInfo UPC 195174008508. Literal North American retail identifier, not the different UK sheet EAN.
Announced
May 20269Press articlehothardware.com/news/lg-ultragear-25g590b-preorders-openRead 14 October 2026The article says it debuted a little over three months before 2026-08-25. LG footnotes cite information as of 2026-05-19 (KST) for the world-first claim. May 2026 is used.
Not available
Status
Available3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026The LG UK page lists the monitor for sale. Canada and the US also list it with prices. Stock is not stated.
Not available
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$999.999Press articlehothardware.com/news/lg-ultragear-25g590b-preorders-openRead 14 October 2026Price 999.99 USD, pre-order direct from LG in the US, before sales tax. Guru3D and Basic Tutorials give the same figure.11Press articleguru3d.com/story/lg-ultragear-25g590b-1000hz-monitor-opens-for-preorder-atRead 14 October 2026Published 2026-08-27: US pre-orders at 999.99 USD. It lists a 24.5-inch IPS, native 1,000 Hz and an overclocked 1,100 Hz mode.
$499.995Reviewtftcentral.co.uk/news/lg-27gp850-with-27-1440p-nano-ips-panel-and-180hz-refresh-rateRead 5 October 2026Original May 4, 2021 report directly reads LG U.S. launch listing 499.99 before retail rollout. Distinct from rounded review 500 or later street discount.
Launch price (EU)
€99910Press articlebasic-tutorials.com/news/lg-ultragear-25g590b-first-native-1000-hz-full-hd-gaming-monitor-starts-at-999-eurosRead 14 October 2026Article of 2026-08-26: MSRP 999 euros in Germany, pre-orders since 2026-07-30. The article says 999 euros / 999.99 US dollars (MSRP). Tax treatment is not stated. German consumer prices include VAT.
Not available
Markets
Not available
Not available
Colours
Black3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026The UK product title ends with Black.
Not available
Segment
Gaming2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026LG lists it as an UltraGear gaming monitor.
Gaming1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own maker gaming classification.

Display

6 of 12 differ
Screen size
24.5in(62.2 cm)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026All Spec: Size 24.5 inch (62.1 cm). LG marketing calls it 25-inch and the EU sheet rounds to 25 inches. 24.5 matches the pixel pitch.
27in(68.6 cm)1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own advertised class.
Viewable screen diagonal
Not available
Not available
Native resolution
1920 × 1080px2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Resolution 1920 x 1080.
2560 × 1440px1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own native QHD.
Aspect ratio
16:92Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026
16:91Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own ratio, matches native pixels.
Pixel density
89.9ppi
108.8ppi
Pixel pitch
0.282mm2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 20260.282 (H) x 0.281 (V) (1 pixel). The horizontal pitch is stored.
0.2331mm1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own equal horizontal/vertical 0.2331 mm. Consistent with native pixels and declared size.
Active display area
Not available
Not available
Curved
No2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026No curvature is listed. The UK table shows Curvature as not applicable.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact maker front/side geometry clearly flat, also own genuine U.S. front/side images. No curvature radius claimed.
Curvature radius
Not available
Not available
Screen surface
Not available
Matte1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Anti-Glare treatment. Separate anti-reflection coating is not inferred from this alone.
Anti-reflection coating
Anti-Glare2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Surface Treatment: Anti-Glare. The ATW (Advanced True Wide) polarizer is a separate feature.
Not available
Touchscreen
Not available
Not available

Panel

7 of 31 differ
Panel type
IPS2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Panel Type IPS.
IPS1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Nano IPS LCD, not OLED.
Panel type (as published)
IPS2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026
Nano IPS1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own specific IPS technology.
Backlight
Not available
Not available
Local dimming
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026The UK table lists Mini-LED Technology and Nano IPS as not applicable. PurePC confirms no local dimming.7Measurementpurepc.pl/test-lg-ultragear-25g590b-b-monitor-1000-hz-recenzja-opiniaRead 14 October 2026PurePC says the monitor has no local dimming and only a basic backlight control.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 20 Variable Backlight expressly global dimming, not independently controlled zones. Free RTINGS own 27GP850 introduction separately says no local dimming. No zone count inferred.7Reviewrtings.com/monitor/reviews/lg/27gp850-b-27gp83b-bRead 5 October 2026Free public own 27GP850 review introduction explicitly no local dimming. Shared 27GP83B title acknowledged, own 27GP850 tested model identified. Hidden numeric tables and measurements not accessed.
Dimming zones
Not available
Not available
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
8bits2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 20264Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Product Specification p 21: 8-bit color is supported.
10bits3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 25 DisplayPort 10-bit and HDMI 8/10/12-bit signals supported, maker 1.07 B display colours and explicit 8-bit+FRC implementation from TFT. Total supported display depth 10, not native 12 from accepted HDMI signals. Per-mode depth remains unknown.
Colour depth method
Not available
FRC5Reviewtftcentral.co.uk/news/lg-27gp850-with-27-1440p-nano-ips-panel-and-180hz-refresh-rateRead 5 October 2026Exact model technical report explicitly 8-bit+FRC. Not a panel-method inference from 1.07 B or accepted 10-bit input alone.
Displayable colours
16.7 million2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Color Depth (Number of Colors) 16.7M, written as 16.7 million.
1.07 billion1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own 1.07 B.
sRGB coverage
99%2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Color Gamut (Typ.) sRGB 99% (CIE1931). The minimum is also sRGB 99% (CIE1931).
Not available
DCI-P3 coverage
90%2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Color Gamut (Min.) lists DCI 90% (CIE1976). It is a minimum figure. PurePC measured 84.4% DCI-P3 coverage in User mode, below LG's claim.
98%1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own typical DCI-P3 CIE 1976 claim, not review measured gamut.
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Color Calibrated in Factory YES.
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Factory Calibration and Color Calibrated Yes. No numerical maker error bound inferred.
Claimed Delta E
Not available
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026HW Calibration: HW Calibration Ready. LG Calibration Studio (True Color Pro) is listed. The manual says to install it to run calibration for the Calibration 1 and 2 picture modes.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Picture Adjust: Calibration 1 and Calibration 2 adjust to the calibrated screen after LG Calibration Studio is run.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit HW Calibration No and True Color Pro No. Core functional absence, not a missing U.S. field assumption.
Static contrast ratio
1,000:12Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Contrast Ratio (Typ.) 1000:1. The minimum is 700:1.
1,000:11Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own typical 1000:1. Guaranteed minimum 700:1 not substituted.
Brightness (typical, SDR)
400nits2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Brightness (Typ.) 400 cd/m2.
400nits1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own typical SDR 400. Not HDR peak derived from certification.
Brightness (maker minimum)
320nits2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Brightness (Min.) 320 cd/m2.
320nits1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own guaranteed minimum, not minimum slider luminance.
Peak brightness (HDR)
Not available
Not available
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR102Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026HDR 10 YES. HDR Effect is a picture mode.
HDR101Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own HDR 10 Yes. HDR Effect is SDR simulation, not another format.
HDR certification
DisplayHDR 4002Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026VESA DisplayHDR 400.
DisplayHDR 4001Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own explicit VESA Display HDR 400.
Viewing angle (horizontal)
178°2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Viewing Angle (CR>=10) 178 degrees (R/L).
178°1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own R/L combined angle.
Viewing angle (vertical)
178°2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Viewing Angle (CR>=10) 178 degrees (U/D).
178°1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own U/D combined angle.

Refresh rate and motion

14 of 22 differ
Refresh rate per resolution and port
ALG UltraGear 25G590B
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 2.1
1920 × 1080Native1000Hz8-bit1100Hz8-bit, DSC
Source4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Product Specification p 21: Max Resolution 1920 x 1080 @ 1000 Hz (HDMI) and 1920 x 1080 @ 1100 Hz (DisplayPort) (Overclock). Support Mode tables pp 22-23: the 999.950 Hz timing is Recommended for HDMI Input Compatibility Version 2.1(PC) and for DisplayPort versions 1.4 (DSC) and 2.1 (DSC). The 1100 Hz timing is the Overclock recommended timing and needs DSC support on the graphics card. DP 1100 Hz is the overclock mode. PurePC could not hold more than 240 Hz over HDMI on its RTX 5080 test setup. The maker's table is kept.
BLG UltraGear 27GP850
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.0DisplayPort 1.4
2560 × 1440Native144Hz180Hz
Source3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 25 expressly maximum native QHD 180 DisplayPort for 27GP850 and QHD 144 HDMI. DP 180 requires Overclock On, monitor reboot and GPU-rate selection per pages 18-19. HDMI Compatibility Mode Off required for QHD 100/120/144 per page 21. Unknown per-mode colour depth/chroma/DSC omitted. Lower-resolution timing entries are presets, not ceilings, so no lower-mode maxima guessed.
Max refresh rate
1,100Hz
180Hz
Max refresh rate at native resolution
1,100Hz
180Hz
Max refresh rate over DisplayPort
1,100Hz
180Hz
Max refresh rate over HDMI
1,000Hz
144Hz
Max refresh rate over USB-C
Not available
Not available
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
1,000Hz1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Key feature: NATIVE 1000Hz Refresh Rate (Up to 1100Hz Overclock). The maximum needs Windows 11, an NVIDIA RTX 50 series or AMD RX 9070, 9060 or 7900 series GPU and a DisplayPort 2.1 connection. LG verified 1000 Hz in internal tests.
165Hz1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own ordinary rate without overclock.
Overclocked refresh rate
1,100Hz1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Up to 1100Hz Overclock. Footnote: 1100 Hz overclock is evaluated based on internal testing.
180Hz1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own explicit O/C 180, DisplayPort only per manual.
Dual mode
No1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026The LG FAQ on the Canada page says it delivers native 1000 Hz in FHD at all times, unlike dual-mode displays.
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
Adaptive-Sync, HDMI VRR, FreeSync Premium, G-SYNC Compatible1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Key feature: NVIDIA G-SYNC Compatible / AMD FreeSync Premium. The 1100 Hz overclock does not support FreeSync Premium and G-SYNC is certified only at 1000 Hz.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Game Adjust: Adaptive-Sync/VRR, supported interface DisplayPort (Adaptive-Sync), HDMI (VRR). FreeSync Premium and G-SYNC Compatible come from the spec tables.
G-SYNC Compatible, FreeSync Premium, Adaptive-Sync, VESA AdaptiveSync Display1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own NVIDIA G-SYNC Compatible and AMD FreeSync Premium, with manual plain DisplayPort Adaptive-Sync. Generic NVIDIA G-Sync Yes row is not proof of a native module. Later named VESA certification mapped separately.6Press releaselgcorp.com/media/release/24835Read 5 October 2026Original LG May 23, 2022 release expressly 27GP850 and 27GP950 first certified VESA AdaptiveSync Display. This named certification supplements own FreeSync Premium/G-SYNC Compatible, not inferred from generic Adaptive-Sync.
VRR range per port
Not available
Not available
Low framerate compensation
Not available
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Low Frame Compensation Yes.
Response time (maker GtG claim)
1ms2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Response Time: Less than 1ms GtG, stored as 1 with the less-than qualifier. The UK page says 1ms. LG's FAQ text on the same page says 0.5 ms GtG. LG does not state the overdrive setting.
1ms1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own GtG at Faster overdrive. Transition statistic/endpoint unstated. Reviewer selected Fast mean is different setting, not same-condition comparison.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Faster, Fast, Normal, Off4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Game Adjust, Response Time: Faster, Fast, Normal, Off.
Off, Normal, Fast, Faster3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 18 exact four Response Time menu levels. Reviewer chosen Fast differs from maker 1 ms Faster.
Motion blur reduction
Yes1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026MBR Pro (Motion Blur Reduction Pro) uses the backlight between frames.
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own explicit Motion Blur Reduction technology, with actual applicable manual menu.3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own pages 18-19 explicitly backlight-controlled Motion Blur Reduction at HDMI 120/144 and DP 120/144/165. Current manual says cannot be used with FreeSync, unlike early Tech Spot loan-sample observed combined VRR/strobing. Combined strobing_with_vrr remains unresolved and omitted, no sample firmware behaviour assumed universal. Pixel black-frame insertion is not inferred from LCD strobing.
Blur-reduction technology
MBR Pro1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026MBR Pro (Motion Blur Reduction Pro).
Motion Blur Reduction1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own published menu name.
Blur reduction works with VRR
No1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Footnote: AMD FreeSync Premium and NVIDIA G-SYNC Compatible are disabled when MBR Pro is enabled.
Not available
Flicker-free (claimed)
Not available
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Flicker Safe Yes. Optional backlight strobing deliberately has different flicker behaviour.
Black frame insertion
Not available
Not available

Measured

6 of 12 differ
Input lag at maximum refresh rate
1.2ms7Measurementpurepc.pl/test-lg-ultragear-25g590b-b-monitor-1000-hz-recenzja-opiniaRead 14 October 2026PurePC, published 2026-08-27: 1.2 ms input lag at 1000 Hz, 1920 x 1080, default mode, measured with an OSRTT Pro CS.
7.7ms8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own bench/9.png Max Refresh Rate native QHD 180 Hz total processing+refresh+response 7.7 ms. Separate processing-only 0.3 ms excluded. Display-lag statistic includes response time, not generic network latency.
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
3.05ms7Measurementpurepc.pl/test-lg-ultragear-25g590b-b-monitor-1000-hz-recenzja-opiniaRead 14 October 2026PurePC: average grey-to-grey transition about 3.05 ms at 1000 Hz with Overdrive set to Fast, measured with an OSRTT Pro CS. The best single transition was 1.5 ms. LG's 1 ms claim does not state the overdrive setting or the averaging, so the claim and this mean are different measures.
4.65ms8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own images/23.png mean initial G2G across tested transitions, gamma-corrected 2021 method, calibrated, Fast OD, native QHD 180 Hz. Average total 8.07 and Faster 2.88 excluded. Not same OD/statistic as maker 1 ms Faster.
Overshoot (measured)
Not available
4.2%8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own images/23.png Peak Overshoot table Average Error 4.2% at Fast 180 Hz, calibrated/gamma-corrected. Mean peak target-value error, not inverse-ghosting rate 7.3% (proportion of affected transitions) or worst 25.7%. Same tested condition as stored mean response.
Contrast ratio (measured)
1,217:17Measurementpurepc.pl/test-lg-ultragear-25g590b-b-monitor-1000-hz-recenzja-opiniaRead 14 October 2026PurePC: contrast ratio 1217:1 in User mode with a black level of 0.3448 cd/m2, measured with a Calibrite Display Plus HL and Calibrite Profiler.
835:18Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own bench/2.png after calibration contrast 835:1 at 200 nits in SDR mode. Pattern unstated. Different tested conditions from maker typical 1000.
SDR brightness (measured)
409.6nits7Measurementpurepc.pl/test-lg-ultragear-25g590b-b-monitor-1000-hz-recenzja-opiniaRead 14 October 2026PurePC: 409.6 cd/m2 average luminance in User mode at 100 percent backlight, measured with a Calibrite Display Plus HL. Maker typical is 400 nits.
455nits8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own bench/1.png calibrated SDR maximum 455 nits at 100% white. Exact chart value, rather than rounded prose around 450. OSD preset/level unstated, not HDR peak.
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)
1.497Measurementpurepc.pl/test-lg-ultragear-25g590b-b-monitor-1000-hz-recenzja-opiniaRead 14 October 2026PurePC: average Delta E 1.49 in User mode before profiling, against sRGB, measured with a Calibrite Display Plus HL. Delta E against DCI-P3 was 1.80 before profiling. After profiling it was 0.74 for sRGB.
4.988Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own images/default3.png pre-calibration native-gamut Color Checker mean dE2000=4.98 against sRGB, native resolution/highest refresh. Not average dEITP 17.3, maximum 9.51, greyscale or post-calibration result. Exact default picture-mode name unstated.
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

9 of 19 differ
Video inputs
ALG UltraGear 25G590B
TypeVersionCountMax bandwidth (Gbps)DSC
DisplayPort2.1 UHBR20180Yes
HDMI2.1248Not available
Source1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Key feature: DP 2.1 (UHBR 20) x1, HDMI 2.1 x2. The 80 Gbps figure is the raw UHBR20 link rate. The 48 Gbps HDMI figure is the full HDMI 2.1 rate. PurePC calls the HDMI ports full-bandwidth. LG does not publish either number for this model.2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026DisplayPort YES (1ea), DP Version 2.1. HDMI YES (2ea).
BLG UltraGear 27GP850
TypeVersionCountHDCP
HDMI2.022.2
DisplayPort1.412.2
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own physical HDMI 2.0 two / DP 1.4 one, both HDCP 2.2 explicitly. Unknown raw link bandwidth and DSC omitted. USB hub is separate.
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.0
Highest DisplayPort version
2.1 UHBR20
1.4
HDMI features
VRR3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026The UK table does not list HDMI features. VRR over HDMI comes from the manual.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Game Adjust: HDMI (VRR). ALLM and others are not stated in the manual.
Not available
USB-C video (DP Alt Mode)
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Connectivity table: USB-C, USB-C max resolution and USB-C power delivery are all not applicable. LG Canada's launch release mentions 90 W power delivery, which conflicts with every spec table and the manual, so it is not used.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit USB Type-C No and Thunderbolt No. Core functional absence, not a missing U.S. field assumption.
USB-C power delivered
Not available
Not available
Thunderbolt
Not available
Not available
USB upstream ports
ALG UltraGear 25G590B
ConnectorCount
USB-C1
Source2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026USB Upstream Port YES (via USB-C). The USB version is not stated. The port serves software updates and the headset microphone, not video or power.
BLG UltraGear 27GP850
ConnectorUSB versionCount
USB-B3.01
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own one USB upstream v 3.0. Connector USB-B from actual manual supplied A-B host cable.
USB downstream hub ports
ALG UltraGear 25G590B
Not available
BLG UltraGear 27GP850
ConnectorUSB versionCount
USB-A3.02
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own two downstream v 3.0, physical Type-A diagram and own host/hub manual.
KVM switch
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Built-in KVM not applicable.
Not available
Daisy chain (MST)
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Daisy Chain not applicable.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own connection inventory HDMI/DP inputs, USB-A/B hub, headphone output and DC power has no RJ 45/optical or video-output connector. No display-output chain.
Ethernet
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026LAN (RJ-45) not applicable.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own connection inventory HDMI/DP inputs, USB-A/B hub, headphone output and DC power has no RJ 45/optical or video-output connector. No display-output chain.
3.5 mm headphone output
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Headphone out 4-pole (Sound+Mic).
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Headphone Out Yes, actual manual connector and supplied accessory interface.
3.5 mm microphone input
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026The shared 4-pole headphone jack carries microphone contacts. The manual says the microphone works only with the monitor USB port connected to a PC.
No1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Headphone 3-Pole Yes explicitly output-only contacts. Original producer sheet Mic In No, no shared four-pole mic input.
Optical out
Not available
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own connection inventory HDMI/DP inputs, USB-A/B hub, headphone output and DC power has no RJ 45/optical or video-output connector. No display-output chain.
Picture in picture
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026PIP not applicable.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit PIP No. Core functional absence, not a missing U.S. field assumption.
Picture by picture
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026PBP not applicable.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit PBP No. Core functional absence, not a missing U.S. field assumption.

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

0 of 5 differ
Speakers
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Sound: Speaker not applicable.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Speaker No. Core functional absence, not a missing U.S. field assumption.
Number of speakers
Not available
Not available
Speaker power per channel
Not available
Not available
Webcam
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Camera not applicable.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Camera No. Core functional absence, not a missing U.S. field assumption.
Microphone
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Mic not applicable.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Mic No. Core functional absence, not a missing U.S. field assumption.

Ergonomics and controls

9 of 15 differ
Stand height adjustment
135mm4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Adjusting the Stand Height p 10: Max. 135.0 mm.
110mm1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own nominal 110 mm travel.
Tilt
Forward5°Backward35°4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Adjusting the Angle p 11: forward or backward from -5 to 35 degrees. Stored as 5 forward and 35 backward.
Forward5°Backward15°1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own -5/+15 degrees, positive directional magnitudes.
Swivel
Not available
Left0°Right0°7Reviewrtings.com/monitor/reviews/lg/27gp850-b-27gp83b-bRead 5 October 2026Free public own 27GP850 introduction expressly stand cannot swivel. Tilt/pivot/height remain separately available.
Pivot
Counterclockwise90°Clockwise90°4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Adjusting the Angle p 11: 90 degrees to the left or to the right.
Counterclockwise0°Clockwise90°3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 8 explicitly rotates 90 degrees clockwise, page 9 sequence only clockwise. No counterclockwise rotation copied from other LG stands.
Removable stand
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026The manual says to remove the stand before installing on a wall mount, by performing the stand attachment in reverse.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Installing on the Wall p 7: remove the stand before installing on a wall mount.
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Detachable Base and manual removable stand procedure.
VESA mount
100 x 1002Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Wall Mountable 100 x 100 mm.
100 x 1001Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own exact VESA pattern.
VESA adapter needed
Not available
Not available
Security lock slot
Yes4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Using the Kensington Lock p 6.
Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 10 actual locking slot and Kensington cable attachment. Lock optional, not included accessory.
On-screen menu controls
Joystick4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026How to Use the Joystick Button p 10.
Joystick, Software2Maker product pagelg.com/us/support/product/lg-27GP850-BRead 5 October 2026Own product supports OnScreen Control. Exact support application description explicitly Monitor Setting and picture mode controls, beyond layout-only Screen Split. Physical joystick separately original manual. Software firmware-update exclusion for this model is not ignored.3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 5 explicit joystick operation and page 16 actual settings menu. OnScreen Control desktop display controls separately own exact support. No remote guessed.
Desktop software
LG Switch, LG Calibration Studio, Dual Controller2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026SW Application list: LG Calibration Studio (True Color Pro), Dual Controller. The UK table also lists LG Switch. The manual lists Monitor Driver, LG Switch, LG Calibration Studio and Dual Controller.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Supported Drivers and Software p 11: Monitor Driver, LG Switch, LG Calibration Studio, Dual Controller.
LG OnScreen Control2Maker product pagelg.com/us/support/product/lg-27GP850-BRead 5 October 2026Exact model support publishes application with monitor display settings and picture-mode controls. No installation performed. This is desktop menu/display control, not solely window layout.
User firmware updates
Yes1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Footnote: a USB Type-C (upstream) connection to a PC is required for monitor software updates.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026The USB-C port is for software updates and the headset microphone (Connecting Peripherals p 14).
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026RGB LED Lighting: UltraGear Lighting. The manual lists static colours and a Cycling mode for the lighting on the back.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026General menu: UltraGear Lighting for the back of the monitor, with Static 1 to 4, Cycling and Off.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Sphere Lighting No, ordinary colour trim not lighting. Core functional absence, not a missing U.S. field assumption.
Gaming menu features
Black Stabilizer, Crosshair, FPS Counter, Dynamic Action Sync2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Features list: Black Stabilizer, Crosshair, FPS Counter, Dynamic Action Sync.4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Game Adjust: Black Stabilizer, Crosshair, FPS Counter. Dynamic Action Sync is on the product page.
Black Stabilizer, Dynamic Action Sync, Crosshair, FPS Counter, User Define Key1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own actual named display/game features. FPS Counter reports received input frame rate, not game-engine internal FPS.

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
Width571.8Depth207.3mm(22.5 × 8.2 in)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Dimension with Stand (W x H x D) 571.8 x 511.2 x 207.3 mm. The stand position behind the 511.2 mm height is not stated, so only width and depth are stored.
Width614.2Height (lowest)465.9Height (highest)575.9Depth291.2mm(24.2 × 18.3 to 22.7 × 11.5 in)4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original page 2 explicitly UP 575.9 and Down 465.9 endpoints, shared 614.2 width 291.2 depth. Actual labelled endpoints, not computed from travel.
Dimensions without stand
Width571.8Height333.4Depth43.4mm(22.5 × 13.1 × 1.7 in)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Dimension without Stand (W x H x D) 571.8 x 333.4 x 43.4 mm.
Width614.2Height364.8Depth51.7mm(24.2 × 14.4 × 2 in)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 metric body. Malformed U.S. depth 24 inches excluded, not converted into implausible 609.6 mm depth.
Stand footprint
Not available
Not available
Weight with stand
5.2kg(11.5 lb)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Weight with Stand 5.2 kg.
6.3kg(13.9 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 net with stand 6.3 kg, also original producer sheet. Cable inclusion unstated.
Weight without stand
3.5kg(7.7 lb)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Weight without Stand 3.5 kg.
4.2kg(9.3 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 body 4.2 kg, below stand-mounted mass.
Box dimensions
Width721Height159Depth481mm(28.4 × 6.3 × 18.9 in)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Dimension in Shipping (W x H x D) 721 x 159 x 481 mm.
Width727Height205Depth487mm(28.6 × 8.1 × 19.2 in)4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original page 2 shipping W x H x D metric, also own U.S. rounded 28.6 x 8.1 x 19.2 in. Packing orientation retained.
Box weight
7.1kg(15.7 lb)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Weight in Shipping 7.1 kg.
9.1kg(20.1 lb)4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original page 2 shipping 9.1 kg, agrees own U.S. 20.1 lb rounding and exceeds net product mass.

Power

7 of 13 differ
Power supply
External adapter2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Power Type: External Power (Adapter).
External adapter1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own external adapter, not internal mains unit.
Adapter rating
Not available
Not available
Input voltage
100-240 V AC, 50/60 Hz2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026AC Input 100~240V (50/60Hz). DC Output 19V / 3.42A.
100-240 V AC, 50/60 Hz1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own mains range.
Power use (typical)
Not available
48W3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 typical 48 W under LGE full-white pattern at maximum resolution. Actual settings/operating conditions can change demand. Not EU default 27.6 W.
Power use (max)
28W2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Power Consumption (Max.) 28W. The EU sheet lists 28.5 W on-mode power in HDR, which is slightly above this figure.
65W1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own maximum consumption, not rated adapter output. Whether peripheral load included is unstated.
Power use SDR (EU label)
18.1W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026On mode power demand SDR 18.1 W, class E.
27.6W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 4. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
Power use HDR (EU label)
28.5W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026On mode power demand HDR 28.5 W, class G.
50W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 6. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
Standby power
0.5W2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Less than 0.5W in sleep mode. The exact 0.5 W comes from the EU sheet.5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026Standby 0.5 W.
0.5W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 8 ordinary standby demand. Own U.S. less-than 0.5 W is separate claim. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
Off-mode power
0.3W2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Less than 0.3W DC off. The exact 0.3 W comes from the EU sheet.5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026Off mode 0.3 W.
0.3W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 7 exact regulatory off demand. Own U.S. less-than 0.3 W is separate claim. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
EU energy class SDR
E5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026Item 3 class E.
G9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 3. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
EU energy class HDR
G5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026Item 5 class G.
G9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 5. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
Energy per 1000 h SDR
18kWh6EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2756856.pdfRead 14 October 2026The EU label prints 18 kWh/1000h under class E. Read from the rendered label.
28kWh10EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Own visually read 27GP850 EU 2019/2013 label 28 kWh/1000 h, G. Mislabelled newer ENERGY LABEL download resolves an obsolete annual 63 kWh label, so excluded.
Energy per 1000 h HDR
29kWh6EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2756856.pdfRead 14 October 2026The EU label prints 29 kWh/1000h in the HDR box under class G.
50kWh10EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Own visually read HDR 50 kWh/1000 h, G, not obsolete annual energy.

Certifications

1 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Not available
Not available
Low blue light
Software2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Reader Mode is a selectable picture mode.
Software1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own selectable Reader Mode, no hardware solution inferred.
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
CE, KC (for Rep. of Korea), UL (cUL)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026STANDARD section: CE, KC (for Rep. of Korea), UL (cUL).
Not available

In the box

2 of 2 differ
In the box
DisplayPort cable (version 2.1), AC/DC adapter, Power cord2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Canada Accessory list: Adapter YES, Display Port YES (ver 2.1), Power Cord depends on country. The UK table also lists an HDMI cable (black, 1.8 m) and PurePC found an HDMI cable in its Polish box. Canada does not list one, so only the common items are stored.
Monitor, Stand, AC/DC adapter, HDMI 2.0 cable, DisplayPort 1.4 cable, USB-A to USB-B 3.0 cable, Mouse holder1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own U.S. accessories plus actual manual stand and power assembly. Power-cable separation, paper calibration report, remote and VESA adapter inclusion remain unproved.
Cables included
ALG UltraGear 25G590B
Type
DisplayPort cable (version 2.1)
Source2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Display Port cable (ver 2.1) is listed in Canada, the UK and found by PurePC. Count is not stated.
BLG UltraGear 27GP850
Type
HDMI 2.0 cable
DisplayPort 1.4 cable
USB-A to USB-B 3.0 cable
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own U.S. HDMI/DP/USB A to B and USB 3 upstream cable rows explicitly Yes. One USB host cable counted once, not duplicate USB A-B and USB 3 claims. Physical counts unstated. Regional sheet USB A-B No conflict does not overwrite own U.S. bundle.

Warranty

0 of 2 differ
Manufacturer warranty (source market)
1year5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026Item 23: minimum duration of the general guarantee offered by the supplier is 1 year. This is the EU sheet figure. Retailers in some countries state 2 years, and other regions differ.
1year2Maker product pagelg.com/us/support/product/lg-27GP850-BRead 5 October 2026Own exact U.S. support and product AllInfo explicitly 1 Year Parts & Labor. Applies ordinary lawful U.S. purchase, no regional two-year warranty transfer.
Dead pixel policy
Not available
Not available

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