Monitors / Compare
ASUS ROG Strix OLED XG27ACDNG vs Samsung Odyssey OLED G8 G81SF 27"
Product A: ASUS
94 of 172 known
Change ASUS ROG Strix OLED XG27ACDNG
Compare the Samsung Odyssey OLED G8 G81SF 27" with
Product B: Samsung
85 of 172 known
Change Samsung Odyssey OLED G8 G81SF 27"
Compare the ASUS ROG Strix OLED XG27ACDNG with
75 of 164 fields differ
- 39 different values
- 36 known for one only
- 28 the same
- 61 missing for both
Biggest differences
Each bar uses the scale of all 179 monitors.
- Refresh rateA: 360HzB: 240HzASUS is 120 Hz higher.
- Pixel densityA: 108.8ppiB: 163.2ppiSamsung is 54.4 ppi higher.
- ContrastA: 1,500,000:1B: 1,000,000:1ASUS is 1.5 times higher.
Refresh rate per resolution
The best rate over any port. Bars run from 0 to 1200 Hz.
3840 × 2160Native for B
ANot listed
B240Hz
2560 × 1440Native for A
A360Hz
BNot listed
Size, drawn to scale
Front and side, on their stands.
- AASUS: 610.3 × 352.4 mm
- BSamsung: 611.7 × 353.8 mm
We have no stand height for Samsung, so it is drawn without its stand.
Weight
0 to 15 kg
Weight with stand
A7.44kg
B6.9kg
Weight without stand
A4.97kg
B3.8kg
Box weight
A10.4kg
B9.5kg
All 172 fields
Every value links to where we found it.


General
3 of 8 differ
Series
Model numbers
GTIN / EAN
Not available
Not available
Announced
Not available
Not available
Status
Not available
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Not available
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Segment
Display
7 of 12 differ
Screen size
Viewable screen diagonal
Native resolution
Aspect ratio
Pixel density
108.8ppi
163.2ppi
Pixel pitch
Not available
Active display area
Width590.42Height333.72mm(23.2 × 13.1 in)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng/specRead 8 October 2026Maker Display Viewing Area table explicitly gives 590.42 x 333.72 mm. Published panel viewing area is retained without calculating an image-only rectangle.
Width589.97Height332.9mm(23.2 × 13.1 in)3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Printed page 41 directly states own active display area, matching exact U.S. API. Pixel pitch 0.153 mm does not match the active raster, so pitch is omitted. No pixel-shift reserve is invented.
Curved
Curvature radius
Not available
Not available
Screen surface
Not available
Anti-reflection coating
Touchscreen
Not available
Not available
Panel
10 of 31 differ
Panel type
Panel type (as published)
Backlight
None (self-emissive)3Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdngRead 5 October 2026Exact self-emissive QD-OLED panel.
Not available
Local dimming
Not available
Not available
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
Not available
Colour depth method
Not available
Displayable colours
sRGB coverage
Not available
Not available
DCI-P3 coverage
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Not available
Claimed Delta E
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Not available
Not available
Static contrast ratio
Brightness (typical, SDR)
Brightness (maker minimum)
Not available
Peak brightness (HDR)
Not available
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR10, HDR10+1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Own HDR10+ Gaming row. HDR10 is separately supported by the exact manufacturer sheet.4Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806095977300_f_0Read 5 October 2026Page 3 exact 27-inch HDR10 row. Exact U.S. API separately proves HDR10+ Gaming. No Dolby Vision inferred.
HDR certification
Viewing angle (horizontal)
Refresh rate and motion
10 of 22 differ
Refresh rate per resolution and port
AASUS ROG Strix OLED XG27ACDNG
| Resolution | HDMI 2.1 | DisplayPort 1.4 | USB-C |
|---|---|---|---|
| 2560 × 1440Native | 360Hz | 360Hz | 180Hz |
BSamsung Odyssey OLED G8 G81SF 27"
| Resolution | HDMI 2.1 | DisplayPort 1.4 |
|---|---|---|
| 3840 × 2160Native | 240HzDSC | 240HzDSC |
Max refresh rate
360Hz
240Hz
Max refresh rate at native resolution
360Hz
240Hz
Max refresh rate over DisplayPort
360Hz
240Hz
Max refresh rate over HDMI
360Hz
240Hz
Max refresh rate over USB-C
180Hz
Not available
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
FreeSync Premium Pro, G-SYNC Compatible, VESA AdaptiveSync Display1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng/specRead 8 October 2026FEATURES names FreeSync Premium Pro and G-SYNC Compatible. Certificate section separately gives VESA AdaptiveSync Display 360Hz.
VRR range per port
AASUS ROG Strix OLED XG27ACDNG
| Input | Min (Hz) | Max (Hz) |
|---|---|---|
| HDMI | 48 | 360 |
| DisplayPort | 48 | 360 |
BSamsung Odyssey OLED G8 G81SF 27"
Not availableLow framerate compensation
Not available
Response time (maker GtG claim)
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Not available
Not available
Motion blur reduction
Not available
Not available
Blur-reduction technology
Not available
Not available
Blur reduction works with VRR
Not available
Not available
Flicker-free (claimed)
Black frame insertion
Not available
Not available
Measured
1 of 12 differ
Input lag at maximum refresh rate
Not available
Not available
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
Not available
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
Not available
HDR brightness in a real scene (measured)
Not available
Not available
PWM flicker frequency (measured)
Not available
Not available
VRR range (measured)
Not available
Not available
Colour accuracy (measured Delta E)
Not available
Not available
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available
Connectivity
9 of 19 differ
Video inputs
AASUS ROG Strix OLED XG27ACDNG
| Type | Version | Count | DSC |
|---|---|---|---|
| DisplayPort | 1.4 | 1 | Yes |
| HDMI | 2.1 | 2 | Not available |
| USB-C | Not available | 1 | Not available |
BSamsung Odyssey OLED G8 G81SF 27"
| Type | Version | Count | DSC | HDCP |
|---|---|---|---|---|
| HDMI | 2.1 | 2 | Yes | 2.2 |
| DisplayPort | 1.4 | 1 | Yes | 2.2 |
Source1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact own U.S. Interface table: two HDMI 2.1 ports and one DisplayPort 1.4, with HDCP 2.2 on both input families. The API alone does not establish compression. DSC capability is separately proved by the exact 27-inch Stuff review, which states both inputs use DSC at native 4K 240 Hz. Link bandwidth is unproved and omitted.6Reviewstuff.tv/review/samsung-odyssey-oled-g81sf-reviewRead 5 October 2026Own model connectivity review confirms two HDMI 2.1 and one DP 1.4 with DSC. Exact U.S. API separately establishes HDCP 2.2 and counts. No bandwidth value inferred.
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
1.4
1.4
HDMI features
Not available
Not available
USB-C video (DP Alt Mode)
USB-C power delivered
Not available
Thunderbolt
Not available
Not available
USB upstream ports
AASUS ROG Strix OLED XG27ACDNG
| Connector | USB version | Count |
|---|---|---|
| USB-B | 3.2 Gen 1 | 1 |
| USB-C | Not available | 1 |
BSamsung Odyssey OLED G8 G81SF 27"
| Connector | Count |
|---|---|
| USB-B | 1 |
USB downstream hub ports
AASUS ROG Strix OLED XG27ACDNG
| Connector | USB version | Count |
|---|---|---|
| USB-A | 3.2 Gen 1 | 3 |
BSamsung Odyssey OLED G8 G81SF 27"
| Connector | USB version | Count |
|---|---|---|
| USB-A | 3.2 Gen 1 | 2 |
KVM switch
Daisy chain (MST)
Not available
Not available
Ethernet
Not available
3.5 mm headphone output
3.5 mm microphone input
Not available
Optical out
Picture in picture
Smart features
1 of 4 differ
Smart platform
Not available
Not available
Wi-Fi
Not available
Not available
Bluetooth
Not available
Not available
Audio and camera
0 of 5 differ
Speakers
Number of speakers
Not available
Not available
Speaker power per channel
Not available
Not available
Webcam
Not available
Not available
Microphone
Not available
Not available
Ergonomics and controls
9 of 15 differ
Stand height adjustment
Tilt
Swivel
Pivot
Counterclockwise90°Clockwise90°2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026
Removable stand
VESA mount
VESA adapter needed
Not available
Security lock slot
Not available
On-screen menu controls
Desktop software
ASUS DisplayWidget Center1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng/specRead 8 October 2026
Not available
User firmware updates
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Gaming menu features
GamePlus, GameVisual, Shadow Boost2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026
Black Equalizer, Virtual AIM Point, Super Arena Gaming UX1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact U.S. LS27FG810SNXZA named Black Equalizer, Virtual AIM Point and Super Arena Gaming UX. No G60SF-only feature imported.
OLED care
2 of 3 differ
OLED care
Screen Saver, Pixel Cleaning, Pixel Cleaning Reminder, Screen Move, Auto Logo Brightness, OLED Usage Info2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026OLED Care 3-8 explicitly lists these functions. Current product article newer Care+ settings are separate firmware-dependent additions and are not silently merged.
Screen Saver, Logo Brightness, Pixel Refresh3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Printed page 24 describes automatic ten-minute Screen Saver. Page 34 Panel Care explicitly applies to S27FG81*S and lists Logo Brightness and Pixel Refresh. No other model cleaning menu is inherited.
Burn-in covered by warranty
Dimensions and weight
7 of 7 differ
Dimensions with stand
Width610.3Height (highest)509.4Depth218.8mm(24 × 20.1 × 8.6 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026Specifications 3-15 explicitly labels highest 509.4 mm. Lowest 394.8 mm omitted because endpoints imply 114.6 mm travel rather than the separate 120 mm specification. Full base depth 218.8 mm agrees with outline 218.83 mm.
Width611.7Depth263.5mm(24.1 × 10.4 in)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact producer overall width/depth with stand. Published 554.2 mm height does not identify the stand endpoint, so both height cells are omitted.
Dimensions without stand
Width610.3Height352.4mm(24 × 13.9 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026Specifications 3-15 width 610.3 mm and body height 352.4 mm. Overall body depth omitted because 70.5 mm table conflicts with 66.5 mm outline drawing.
Width611.7Height353.8Depth49.2mm(24.1 × 13.9 × 1.9 in)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact UK own G81SF table directly uses mm. The original producer sheet agrees. U.S. API incorrectly labels the same metric numbers inches, so no inch conversion is made.
Stand footprint
Width266.49Depth218.83mm(10.5 × 8.6 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026Outline 3-17 explicitly labels base width 266.49 mm and full front-to-back depth 218.83 mm.
Not available
Weight with stand
Weight without stand
Box dimensions
Width860Height500Depth163mm(33.9 × 19.7 × 6.4 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026
Width684Height200Depth464mm(26.9 × 7.9 × 18.3 in)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact producer package W x H x D mm. The original Samsung France sheet independently agrees. Shipping orientation is retained.
Box weight
Power
8 of 13 differ
Power supply
Adapter rating
Not available
Not available
Input voltage
Power use (typical)
Not available
Power use (max)
Not available
Power use SDR (EU label)
Not available
Power use HDR (EU label)
Not available
Standby power
Off-mode power
EU energy class SDR
Not available
EU energy class HDR
Not available
Energy per 1000 h SDR
Not available
Not available
Energy per 1000 h HDR
Not available
Not available
Certifications
5 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
TÜV certifications
Flicker-free, Low Blue Light (Hardware Solution)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng/specRead 8 October 2026
Not available
Low blue light
ENERGY STAR
Not available
Not available
TCO Certified
Not available
Not available
EPEAT
Not available
Not available
Colour certifications
Not available
In the box
2 of 2 differ
In the box
OLED Monitor, Quick Start Guide, Warranty Card, Power Cord, ROG Pouch, ROG Sticker, Monitor Base, Wall Mount Kit, Microfiber Cloth2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026Package Contents 1-1 guaranteed list. Video, USB-C and USB data cables are optional in the manual and are omitted from universal bundle. Supplied wall-mount adapter is distinct from the separately purchased arm or mounting bracket.
Monitor, Stand, External AC adapter, Power cable, HDMI cable, DisplayPort cable1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Own U.S. Accessory table includes power, HDMI and DP cables. Own manual shows stand and adapter. The European USB A-B cable is not inherited into the U.S. bundle without an explicit U.S. listing.
Cables included
AASUS ROG Strix OLED XG27ACDNG
| Type |
|---|
| Power cord |
BSamsung Odyssey OLED G8 G81SF 27"
| Type |
|---|
| Power cable (1.5 m) |
| HDMI cable |
| DisplayPort cable |
Warranty
1 of 2 differ
Manufacturer warranty (source market)
Not available
Dead pixel policy
Not available
Not available
Links
Not compared
Product page
rog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng/specRead 8 October 2026
www.samsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxza2Maker product pagesamsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxzaRead 5 October 2026Exact U.S. 27-inch LS27FG810SNXZA reference. The 32-inch sibling has a different panel and is not represented as a variant.
Spec sheet
rog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng/spec1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27acdng/specRead 8 October 2026
boulanger.scene7.com/is/content/Boulanger/8806095977300_f_04Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806095977300_f_0Read 5 October 2026Original Samsung France three-page G81SF technical sheet hosted by Boulanger. Only the 27-inch LS27FG812SUXEN column is used. Its copied Eco Light Sensor/KVM and adjacent 32-inch facts are excluded.
Manual
dlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdf2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACDNG/ASUS_XG27ACDNG_UM_Eng.pdfRead 5 October 2026Original exact ASUS user guide, First Edition August 2024. Download path recovered from current ASUS support manual listing, which labels the English edition October 2, 2026. Document itself retains original August 2024 contents.
org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Exact U.S. support English BN81-27045C-00 G60SD G61SD G81SF G90XF, dated February 26, 2025. Own S27FG81*S columns are used. S32FG81*S panel and dimensions are separate.
EPREL registration number
Not available
Both are also in the API. Back to all monitors.
















