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ASUS TUF Gaming VG27AQL1A vs LG UltraGear 25G590B

Product A: ASUS

TUF Gaming VG27AQL1A

102 of 172 known
Change ASUS TUF Gaming VG27AQL1A

Compare the LG UltraGear 25G590B with

Product B: LG

UltraGear 25G590B

105 of 172 known
Change LG UltraGear 25G590B

Compare the ASUS TUF Gaming VG27AQL1A with

90 of 164 fields differ

Download CSVDownload JSON
  • 49 different values
  • 41 known for one only
  • 29 the same
  • 45 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Refresh rateA: 170HzB: 1,100HzLG is 6.5 times higher.
  2. Response timeLower is betterA: 3msB: 1msLG is 2 ms lower.
  3. Power use HDR (EU label)Lower is betterA: 50WB: 28.5WLG is 21.5 W lower.
  4. Power use SDR (EU label)Lower is betterA: 26WB: 18.1WLG is 7.9 W lower.
  5. Pixel densityA: 108.8ppiB: 89.9ppiASUS is 18.9 ppi higher.
  6. Brightness (typical, SDR)A: 350nitsB: 400nitsLG is 50 nits higher.

Refresh rate per resolution

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

2560 × 1440Native for A
A170Hz
BNot listed
1920 × 1080Native for B
ANot listed
B1100Hz

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
A6.6kg
B5.2kg
Weight without stand
A4.3kg
B3.5kg
Box weight
A9kg
B7.1kg

All 172 fields

Every value links to where we found it.

AASUS TUF Gaming VG27AQL1A
BLG UltraGear 25G590B

General

4 of 8 differ
Series
TUF Gaming1Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1aRead 10 October 2026Page breadcrumb and title: TUF Gaming.
UltraGear1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026Product name UltraGear, 25-inch UltraGear G5.
Model numbers
VG27AQL1A3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 has a separate VG27AQL1A table. The guide also covers the VG27AQ1A, which has different specs and is not mixed in.
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.
GTIN / EAN
Not available
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.
Announced
January 20207Reviewhexus.net/tech/reviews/monitors/144382-asus-tuf-vg27aql1aRead 10 October 2026Review dated July 2020 says the monitor was first announced back at CES as the successor to last year's VG27AQ. CES 2020 was in January 2020, so only the month is stored.
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.
Status
Available1Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1aRead 10 October 2026Maker product page is live and the tech spec lists the model.
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.
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
$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.
Launch price (EU)
Not available
€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.
Markets
Not available
Not available
Colours
Black3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 VG27AQL1A table Colors: Black.
Black3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026The UK product title ends with Black.
Segment
Gaming1Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1aRead 10 October 2026Maker category is TUF Gaming gaming monitors.
Gaming2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026LG lists it as an UltraGear gaming monitor.

Display

8 of 12 differ
Screen size
27in(68.6 cm)2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Panel Size 27 inch.
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.
Viewable screen diagonal
Not available
Not available
Native resolution
2560 × 1440px3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Max. Resolution 2560 x 1440.
1920 × 1080px2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Resolution 1920 x 1080.
Aspect ratio
16:92Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026
16:92Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026
Pixel density
108.8ppi
89.9ppi
Pixel pitch
0.2331mm3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Pixel pitch 0.2331 mm x 0.2331 mm.
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.
Active display area
Width596.74Height335.66mm(23.5 × 13.2 in)2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Display Viewing Area (H x V) 596.74 x 335.66 mm, stored as width by height.
Not available
Curved
Not available
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.
Curvature radius
Not available
Not available
Screen surface
Matte2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Display Surface: Anti-Glare. Stored as matte.
Not available
Anti-reflection coating
Not available
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.
Touchscreen
Not available
Not available

Panel

10 of 31 differ
Panel type
IPS2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Panel Type: IPS.
IPS2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Panel Type IPS.
Panel type (as published)
IPS2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Panel Type: IPS, verbatim.
IPS2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026
Backlight
Not available
Not available
Local dimming
No9Measurementpcgameshardware.de/Monitor-Display-Hardware-154105/Tests/TUF-VG27AQL1A-Test-1380799Read 10 October 2026PC Games Hardware first test page: DisplayHDR 400 requires no local dimming and it is missing here, as on every monitor at the 400 tier. Monitornerds also notes the lack of a locally dimming array. ASUS Dynamic Dimming is a backlight function that follows content contrast.
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.
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
10bits2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Display Colors: 1073.7M (10 bit). The panel method, native or FRC, is not stated.
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.
Colour depth method
FRC8Measurementpcgameshardware.de/Monitor-Display-Hardware-154105/Tests/TUF-VG27AQL1A-Test-1380799/2Read 10 October 2026PC Games Hardware data table: Farbtiefe 8 Bit+FRC, 1.07 billion colors. The first page repeats that the monitor shows 10 bit as 8 bit with FRC.
Not available
Displayable colours
1.07 billion2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Display Colors 1073.7M, written as 1.07 billion. The manual says 1.073G.
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.
sRGB coverage
Not available
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).
DCI-P3 coverage
Not available
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.
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Not available
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Color Calibrated in Factory YES.
Claimed Delta E
Not available
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Not available
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.
Static contrast ratio
1,000:13Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Contrast Ratio (Typ.) 1000:1. The 100,000,000:1 max is a dynamic claim with ASCR on and is not stored.
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.
Brightness (typical, SDR)
350nits3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Brightness (Typ.) 350 cd/m2, and 400 cd/m2 with HDR on.
400nits2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Brightness (Typ.) 400 cd/m2.
Brightness (maker minimum)
Not available
320nits2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Brightness (Min.) 320 cd/m2.
Peak brightness (HDR)
400nits2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Brightness (HDR, Peak): 400 cd/m2. Window size is not published. The manual says 400 cd/m2 with HDR on.
Not available
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR102Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, HDR Support: HDR10.
HDR102Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026HDR 10 YES. HDR Effect is a picture mode.
HDR certification
DisplayHDR 4002Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Certificate list: VESA DisplayHDR 400.
DisplayHDR 4002Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026VESA DisplayHDR 400.
Viewing angle (horizontal)
178°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Viewing angle (H/V) 178/178 at CR>10.
178°2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Viewing Angle (CR>=10) 178 degrees (R/L).
Viewing angle (vertical)
178°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Viewing angle (H/V) 178/178 at CR>10.
178°2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Viewing Angle (CR>=10) 178 degrees (U/D).

Refresh rate and motion

17 of 22 differ
Refresh rate per resolution and port
AASUS TUF Gaming VG27AQL1A
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.0DisplayPort 1.2
2560 × 1440Native144Hz170Hz
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.5 supported operating mode lists 2560x1440 up to 144 Hz on HDMI, with 155 to 170 Hz marked Not supported on HDMI, and up to 170 Hz on DisplayPort. Section 3.1.2 says the 170 Hz Max Refresh Rate is only for DisplayPort input and sits under the Overclocking menu. Bit depth, chroma and DSC are not published per mode.
BLG 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.
Max refresh rate
170Hz
1,100Hz
Max refresh rate at native resolution
170Hz
1,100Hz
Max refresh rate over DisplayPort
170Hz
1,100Hz
Max refresh rate over HDMI
144Hz
1,000Hz
Max refresh rate over USB-C
Not available
Not available
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
144Hz3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.1.2 puts rates above 144 Hz under the OSD Overclocking item and warns it may cause flicker. The highest rate on both inputs without it is 144 Hz.
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.
Overclocked refresh rate
170Hz3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.1.2 Overclocking: Max Refresh Rate lets the user select 170 Hz, DisplayPort only.
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.
Dual mode
Not available
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.
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
G-SYNC Compatible, FreeSync Premium2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Certificate list: G-SYNC Compatible. The overview page also names FreeSync Premium. No VESA AdaptiveSync Display certificate is listed.
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.
VRR range per port
AASUS TUF Gaming VG27AQL1A
InputMin (Hz)Max (Hz)
DisplayPort48170
HDMI48144
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.1.2 Adaptive-Sync can only be activated within 48 Hz to 144 Hz for HDMI and 48 Hz to 170 Hz for DisplayPort.
BLG UltraGear 25G590B
Not available
Low framerate compensation
Yes6Maker product pageamd.com/en/resources/support-articles/faqs/DH3-013.htmlRead 10 October 2026AMD tier table lists support for low framerate compensation under FreeSync Premium. The ASUS overview page names FreeSync Premium for this model. A compatible GPU and an enabled FreeSync mode are required.
Not available
Response time (maker GtG claim)
3ms3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Response time 3 ms (Gray to gray), 1ms MPRT.
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.
Response time (maker MPRT claim)
1ms2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Response Time: 1ms MPRT. The overview says the figure is from internal tests.
Not available
Overdrive settings
Not available
Faster, Fast, Normal, Off4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Game Adjust, Response Time: Faster, Fast, Normal, Off.
Motion blur reduction
Yes1Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1aRead 10 October 2026Overview: ELMB (Extreme Low Motion Blur) gives a 1 ms MPRT. This is backlight-based 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.
Blur-reduction technology
ELMB Sync1Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1aRead 10 October 2026Overview and manual OSD menu name ELMB SYNC for the VG27AQL1A. Stored as ELMB Sync.
MBR Pro1Maker product pagelg.com/us/monitors/lg-25g590b-b-gaming-monitorRead 14 October 2026MBR Pro (Motion Blur Reduction Pro).
Blur reduction works with VRR
Yes1Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1aRead 10 October 2026Overview: ELMB SYNC lets ELMB run at the same time as adaptive sync. The manual says plain ELMB needs Adaptive-Sync off.
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.
Flicker-free (claimed)
Yes2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Display, Flicker-free: Yes. Certificate list: TUV Flicker-free.
Not available
Black frame insertion
Not available
Not available

Measured

5 of 12 differ
Input lag at maximum refresh rate
Not available
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.
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
6ms8Measurementpcgameshardware.de/Monitor-Display-Hardware-154105/Tests/TUF-VG27AQL1A-Test-1380799/2Read 10 October 2026Data table: average 6 ms, range 4.9 to 7.4 ms, measured with an oscilloscope and color-changing GIF patterns. Overdrive level 4 of 5 at native frequency. The endpoints and the exact refresh rate are not stated.
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.
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
988:18Measurementpcgameshardware.de/Monitor-Display-Hardware-154105/Tests/TUF-VG27AQL1A-Test-1380799/2Read 10 October 2026Data table: contrast 988:1 with black level 0.4 cd/m2 in SDR mode, X-Rite i1Display Pro and Calman. The first page text says 980:1. Monitornerds measured 1070:1 at 50 percent brightness.
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.
SDR brightness (measured)
409.1nits8Measurementpcgameshardware.de/Monitor-Display-Hardware-154105/Tests/TUF-VG27AQL1A-Test-1380799/2Read 10 October 2026Data table: max. brightness 409.1 cd/m2 with deviations up to 12 percent, measured with an X-Rite i1Display Pro and Calman in SDR mode. Monitornerds measured 405 cd/m2.
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.
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
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.
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

11 of 19 differ
Video inputs
AASUS TUF Gaming VG27AQL1A
TypeVersionCount
DisplayPort1.21
HDMI2.02
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Digital input: HDMI v2.0 x 2, DisplayPort v1.2 x 1.
BLG 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).
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.0
2.1
Highest DisplayPort version
1.2
2.1 UHBR20
HDMI features
Not available
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.
USB-C video (DP Alt Mode)
No2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026I/O Ports list DisplayPort, two HDMI, a USB hub and an earphone jack. No USB-C.
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.
USB-C power delivered
Not available
Not available
Thunderbolt
Not available
Not available
USB upstream ports
AASUS TUF Gaming VG27AQL1A
ConnectorUSB versionCount
USB-B3.2 Gen 11
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 USB 3.0 port: upstream x 1. Back view item 7 is a USB Type B port. Stored as 3.2 Gen 1, the same 5 Gbps standard the maker tech spec names for the hub.
BLG 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.
USB downstream hub ports
AASUS TUF Gaming VG27AQL1A
ConnectorUSB versionCount
USB-A3.2 Gen 12
Source2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026I/O Ports, USB Hub: 2x USB 3.2 Gen 1 Type-A. The manual calls the same ports USB 3.0.
BLG UltraGear 25G590B
Not available
KVM switch
Not available
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Built-in KVM not applicable.
Daisy chain (MST)
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Back view section 1.3.2 lists DC-IN, two HDMI, DisplayPort, earphone jack, a service USB-A port, USB-B, two USB-A, Kensington slot and buttons. No video output.
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Daisy Chain not applicable.
Ethernet
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Back view section 1.3.2 lists no RJ45 port.
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026LAN (RJ-45) not applicable.
3.5 mm headphone output
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Earphone jack: Yes. It works only while an HDMI or DisplayPort signal is present.
Yes2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Headphone out 4-pole (Sound+Mic).
3.5 mm microphone input
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Audio input: No.
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.
Optical out
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Back view section 1.3.2 lists no optical connector.
Not available
Picture in picture
Not available
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026PIP not applicable.
Picture by picture
Not available
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026PBP not applicable.

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

5 of 5 differ
Speakers
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Speaker (Built-in) 2 W x 2 Stereo, RMS.
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Sound: Speaker not applicable.
Number of speakers
23Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Speaker 2 W x 2 Stereo.
Not available
Speaker power per channel
2W3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Speaker 2 W x 2 Stereo, RMS. This is per speaker.
Not available
Webcam
Not available
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Camera not applicable.
Microphone
Not available
No3Maker product pagelg.com/uk/monitors/gaming/25g590b-bRead 14 October 2026Mic not applicable.

Ergonomics and controls

11 of 15 differ
Stand height adjustment
130mm3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Height adjustment 130 mm.
135mm4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Adjusting the Stand Height p 10: Max. 135.0 mm.
Tilt
Forward5°Backward20°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Tilt +20 to -5 degrees. Stored as 20 backward and 5 forward.
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.
Swivel
Left20°Right20°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Swivel +20 to -20 degrees.
Not available
Pivot
Counterclockwise90°Clockwise90°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Pivot +90 to -90 degrees. Section 2.2 says pivoting is for the VG27AQL1A only.
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.
Removable stand
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 2.3 Detaching the arm for VESA wall mount.
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.
VESA mount
100 x 1003Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 VESA wall mount 100 x 100 mm. The wall mount kit is sold separately.
100 x 1002Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Wall Mountable 100 x 100 mm.
VESA adapter needed
No7Reviewhexus.net/tech/reviews/monitors/144382-asus-tuf-vg27aql1aRead 10 October 2026Review: the supplied stand is easily removed to reveal a regular 100mm VESA mount. The ASUS manual (section 2.3) describes detaching the arm for a VESA wall mount. The wall mount kit itself is sold separately.
Not available
Security lock slot
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Kensington lock: Yes. Back view item 9.
Yes4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026Using the Kensington Lock p 6.
On-screen menu controls
Joystick, Buttons, Software3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 1.3.1 5-way button, back button and two shortcut buttons. DisplayWidget Lite controls monitor settings per the maker tech spec features list.
Joystick4Owner's manualgscs-b2c.lge.com/downloadFileRead 14 October 2026How to Use the Joystick Button p 10.
Desktop software
DisplayWidget Lite2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Features, DisplayWidget: Yes, DisplayWidget Lite.
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.
User firmware updates
Not available
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).
Ambient light sensor
No4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_407124_EN.pdfRead 10 October 2026Row 17 Automatic Brightness Control (ABC) available: No.
Not available
Presence sensor
No4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_407124_EN.pdfRead 10 October 2026Row 19 Room presence sensor available: No.
Not available
RGB lighting
No7Reviewhexus.net/tech/reviews/monitors/144382-asus-tuf-vg27aql1aRead 10 October 2026Review: note the lack of RGB lights.
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.
Gaming menu features
GamePlus, Crosshair, Timer, FPS Counter, Display Alignment, Sniper, GameVisual, Shadow Boost, Dynamic Dimming3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 1.3.3 GamePlus: crosshair, timer, FPS counter, display alignment, sniper. Section 1.3.4 GameVisual. Section 3.1.2 Shadow Boost and Dynamic Dimming (for VG27AQL1A).
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.

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
Width615Height (lowest)404Height (highest)534Depth215mm(24.2 × 15.9 to 21 × 8.5 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 with stand 615 x 534 x 215 mm at the highest position and 615 x 404 x 215 mm at the lowest.
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.
Dimensions without stand
Width615Height367Depth51mm(24.2 × 14.4 × 2 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 without stand 615 x 367 x 51 mm.
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.
Stand footprint
Not available
Not available
Weight with stand
6.6kg(14.6 lb)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Weight (Esti.) 6.6 kg (Net).
5.2kg(11.5 lb)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Weight with Stand 5.2 kg.
Weight without stand
4.3kg(9.5 lb)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Weight (Esti.) 4.3 kg 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.
Box dimensions
Width712Height234Depth455mm(28 × 9.2 × 17.9 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 VG27AQL1A table: 712 x 234 x 455 mm (package) in the W x H x D row. The ASUS tech spec page repeats 71.20 x 23.40 x 45.50 cm but also lists a different box of 81.50 x 47.70 x 17.00 cm, which is not stored. The labelled order is kept as published.
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.
Box weight
9kg(19.8 lb)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Weight (Esti.) 9.0 kg (Gross). Published as an estimate.
7.1kg(15.7 lb)2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Weight in Shipping 7.1 kg.

Power

8 of 13 differ
Power supply
External adapter3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Voltage rating: DC 19V, 4.74A (AC adapter).
External adapter2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Power Type: External Power (Adapter).
Adapter rating
90W7Reviewhexus.net/tech/reviews/monitors/144382-asus-tuf-vg27aql1aRead 10 October 2026Review: the power supply is not integrated, ASUS ships a compact 90W external source. The manual rates the adapter at 19 V, 4.74 A.
Not available
Input voltage
100-240 V AC, 50/60 Hz3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Voltage rating AC 100 to 240V. The maker tech spec adds 50/60 Hz.
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.
Power use (typical)
26W3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Power On: < 26 W. The footnote says measured at 200 nits without audio, USB or card reader connection. Stored as 26 with the less-than qualifier here.
Not available
Power use (max)
Not available
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.
Power use SDR (EU label)
26W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_407124_EN.pdfRead 10 October 2026Row 4 on-mode power demand in SDR 26,0 W.
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.
Power use HDR (EU label)
50W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_407124_EN.pdfRead 10 October 2026Row 6 on-mode power demand in HDR 50,0 W.
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.
Standby power
0.5W3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Standby: < 0.5 W.
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.
Off-mode power
0.3W3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 3.2 Power Off: < 0.3 W.
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.
EU energy class SDR
F4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_407124_EN.pdfRead 10 October 2026Row 3 class F.
E5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026Item 3 class E.
EU energy class HDR
G4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_407124_EN.pdfRead 10 October 2026Row 5 class G.
G5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2756856_EN.pdfRead 14 October 2026Item 5 class G.
Energy per 1000 h SDR
26kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_407124.pdfRead 10 October 2026Printed label value 26 kWh/1000h.
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.
Energy per 1000 h HDR
50kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_407124.pdfRead 10 October 2026Printed label value 50 kWh/1000h.
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.

Certifications

2 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Flicker Free, Low Blue Light2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Certificate list: TUV Low Blue Light and TUV Flicker-free.
Not available
Low blue light
Software2Maker product pageasus.com/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aql1a/techspecRead 10 October 2026Features, Low Blue Light: Yes. The manual implements it as a selectable Blue Light Filter level, so it is a software filter.
Software2Maker product pagelg.com/ca_en/monitors/gaming/25g590b-b-ausRead 14 October 2026Reader Mode is a selectable picture mode.
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
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).

In the box

2 of 2 differ
In the box
LCD monitor, Monitor base, Quick start guide, Warranty card, Power adapter, Power cord, DisplayPort cable, HDMI cable, USB cable3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 1.2 Package contents. The DisplayPort, HDMI and USB cables are marked optional.
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.
Cables included
AASUS TUF Gaming VG27AQL1A
Type
Power cord
DisplayPort cable
HDMI cable
USB cable
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQ1A/VG27AQL1A_VG27AQ1A_English.pdfRead 10 October 2026Section 1.2 and the maker tech spec accessory list. The DisplayPort, HDMI and USB cables are optional or vary by region. Counts are not published.
BLG 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.

Warranty

1 of 2 differ
Manufacturer warranty (source market)
3years8Measurementpcgameshardware.de/Monitor-Display-Hardware-154105/Tests/TUF-VG27AQL1A-Test-1380799/2Read 10 October 2026PC Games Hardware data table: Garantie 3 Jahre (German market). ASUS publishes no warranty term on the product pages and the EU sheet states none.
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.
Dead pixel policy
Not available
Not available

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