Samsung S27A400UJN vs LU28E590DS Monitor Comparison

Samsung S27A400UJN and Samsung LU28E590DS are both monitors with the same Aspect Ratio (16:9). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.

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Samsung S27A400UJN	Samsung LU28E590DS
Prices (Change region) Out of Stock Free shipping $279.99 Out of Stock $279.99 Out of Stock Free shipping $279.99 Out of Stock + $4.99 Shipping $359.99 - Buy now Show 2 more offers	Prices (Change region) Out of Stock Free shipping $507.99 - Buy now
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Brand SAMSUNG	Brand Samsung
Model S27A400UJN	Model U28E590D LU28E590DS LU28E590DS/EN
Release Date 📅 March 2022	Release Date 📅 September 2017
* 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 27"	Screen Size 28"
Resolution 1920 x 1080	Resolution 3840 x 2160
Pixel Density 81.59 PPI	Pixel Density 157.35 PPI
Dot Pitch 0.31 mm	Dot Pitch 0.16 mm
Panel Type IPS	Panel Type TN
Widescreen Yes	Widescreen Yes
Aspect Ratio 16:9	Aspect Ratio 16:9
Curved Screen No	Curved Screen No
Viewing Angle -	Viewing Angle 170° H x 160° V
Brightness 250 cd/m²	Brightness 370 cd/m²
Contrast Ratio -	Contrast Ratio DCR Mega Infinity
Response Time 5 ms	Response Time 1 ms
Refresh Rate 75 Hz	Refresh Rate 60 Hz
Built-in Speakers No	Built-in Speakers No
DVI 0	DVI 0
DisplayPort 0	DisplayPort 1
HDMI 1	HDMI 2
VGA 0	VGA 0
G-SYNC Support No	G-SYNC Support No
FreeSync Support Yes	FreeSync Support No
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