Samsung Odyssey OLED G9 G91SD vs Odyssey QD-OLED G8 G81SF Monitor Comparison

Samsung Odyssey OLED G9 G91SD and SAMSUNG Odyssey QD-OLED G8 G81SF are both monitors with the same Panel Type (QD-OLED), Viewing Angle (178° H x 178° V) and Brightness (250 cd/m²). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.

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Samsung Odyssey OLED G9 G91SD	SAMSUNG Odyssey QD-OLED G8 G81SF
Prices (Change region) In Stock $899.99 Last updated 13 minutes ago. In Stock Free shipping $899.99 In Stock $899.99 Out of Stock Free shipping $899.99 In Stock $1,299.99 Show 2 more offers	Prices (Change region) In Stock Free shipping $899.99 In Stock $899.99 In Stock $899.99 Out of Stock Free shipping $899.99 In Stock $1,299.99 Show 2 more offers
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Brand Samsung	Brand SAMSUNG
Model LS49DG910SNXZA LS49FG912EEXXY LS49DG910SUXEN LS49DG912SUXEN	Model LS27FG810SNXZA S27FG810SN
Release Date 📅 May 2025	Release Date 📅 April 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Screen Size 49"	Screen Size 27"
Resolution 5120 x 1440	Resolution 3840 x 2160
Pixel Density 108.54 PPI	Pixel Density 163.18 PPI
Dot Pitch 0.23 mm	Dot Pitch 0.15 mm
Panel Type QD-OLED	Panel Type QD-OLED
Widescreen Yes	Widescreen Yes
Aspect Ratio 32:9	Aspect Ratio 16:9
Curved Screen Yes	Curved Screen No
Viewing Angle 178° H x 178° V	Viewing Angle 178° H x 178° V
Brightness 250 cd/m²	Brightness 250 cd/m²
Response Time 0.03 ms	Response Time 0.03 ms
Refresh Rate 144 Hz	Refresh Rate 240 Hz
Built-in Speakers No	Built-in Speakers No
DVI 0	DVI 0
DisplayPort 1	DisplayPort 1
HDMI 1	HDMI 2
VGA 0	VGA 0
G-SYNC Support Yes	G-SYNC Support No
FreeSync Support Yes	FreeSync Support Yes