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Acer Predator X27U OLED vs Samsung Odyssey Ark 2nd Gen: Comparison

Acer Predator X27U OLED and Samsung Odyssey Ark 2nd Gen separate most on response time: Acer Predator X27U OLED at 0.03 ms, Samsung Odyssey Ark 2nd Gen at 1 ms, 3233% in favour of Acer Predator X27U OLED. Refresh Rate splits them by another 31%, again favouring Acer Predator X27U OLED. They match on 5 other specifications, including aspect ratio, hdr support and displayport version.

Acer Predator X27U OLED (27-Inch QHD QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Trio Competitor)
AcerAcer Predator X27U OLED
Samsung Odyssey Ark 2nd Gen (LS55CG970NNXGO) (55-Inch Curved 4K Mini-LED VA/165Hz/1ms/95% DCI-P3/HDR2000/Rotating Stand)
SamsungSamsung Odyssey Ark 2nd Gen

Specs

Specification
Acer Predator X27U OLED (27-Inch QHD QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Trio Competitor)
Acer Predator X27U OLED
Samsung Odyssey Ark 2nd Gen (LS55CG970NNXGO) (55-Inch Curved 4K Mini-LED VA/165Hz/1ms/95% DCI-P3/HDR2000/Rotating Stand)
Samsung Odyssey Ark 2nd Gen
Panel TypeWOLEDVA
BrandAcerSamsung
Model NumberX27U OLED (bmiipruzx)LS55CG970NNXGO
Screen Size27 in-51%55
Resolution2560 x 1440 (QHD)3840 x 2160 (4K UHD)
Panel TechnologyWOLEDVA
Aspect Ratio16:916:9
Backlight TypeSelf-emissiveMini-LED FALD
Refresh Rate240 Hz165 Hz-31%
Response Time0.03 ms1 ms-3233%
Adaptive SyncAMD FreeSync PremiumFreeSync Premium Pro
HDR SupportYesYes
CurvedNoYes
Native Resolution2560x14403840x2160
Screen CurvatureFlat1000R
Max Refresh Rate240 Hz165 Hz-31%
Response Time GtG0.03 ms1 ms
VRR StandardFreeSync PremiumFreeSync Premium Pro
SDR Brightness150 nits600 nits
DisplayPort Version1.41.4
Height Adjustment Range150 mm270 mm
Pivot To PortraitYesYes
VESA Mount Pattern100x100200x200
Built-in SpeakersYesYes
SeriesPredator X27U OLEDOdyssey Ark (2nd Gen)
Color Gamut99% DCI-P395% DCI-P3
Source URLhttps://store.acer.com/en-us/27-predator-x27u-gaming-monitor-x27u-bmiipruzxhttps://www.samsung.com/us/monitors/gaming/55-inch-odyssey-ark-2nd-gen-4k-uhd-165hz-1ms-quantum-mini-led-curved-gaming-screen-sku-ls55cg970nnxgo/

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