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Compare LG Ultragear 27GX790B-B vs Dell S2721HGF

LG Ultragear 27GX790B-B and Dell S2721HGF are both monitors with the same Screen Size (27"), Viewing Angle (178° H x 178° V) and DisplayPort (1). The main differences are in Resolution, Pixel Density, Dot Pitch and Panel Type.

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LG Ultragear 27GX790B-B

Dell S2721HGF

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Brand

LG

Brand

Dell

Model

27GX790B-B

Model

S2721HGF

Release Date

📅 December 2025

Release Date

📅 August 2020

* First availability for purchase, it may not correspond to the actual market launch date.

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Screen Size

27"

Screen Size

27"

Resolution

2560 x 1440

Resolution

1920 x 1440

Pixel Density

108.79 PPI

Pixel Density

88.89 PPI

Dot Pitch

0.23 mm

Dot Pitch

0.28 mm

Panel Type

WOLED Tandem

Panel Type

VA

Widescreen

Yes

Widescreen

No

Aspect Ratio

16:9

Aspect Ratio

4:3

Curved Screen

No

Curved Screen

Yes

Viewing Angle

178° H x 178° V

Viewing Angle

178° H x 178° V

Brightness

335 cd/m²

Brightness

350 cd/m²

Response Time

0.02 ms

Response Time

1 ms

Refresh Rate

540 Hz

Refresh Rate

144 Hz

Built-in Speakers

No

Built-in Speakers

No

DVI

0

DVI

0

DisplayPort

1

DisplayPort

1

HDMI

2

HDMI

2

VGA

0

VGA

0

G-SYNC Support

Yes

G-SYNC Support

Yes

FreeSync Support

Yes

FreeSync Support

Yes

-

Options (1)

24"
$169.99

Comparison and key differences summary

Reasons to buy the LG Ultragear 27GX790B-B:

Newer Product, it was released around 5 years later
Higher Screen Resolution (2560 x 1440 pixel)
Better pixel density (108.79 PPI)
Less response time (-0.98 ms)
Higher refresh rate (540 Hz)
Flat screen

Reasons to buy the Dell S2721HGF:

80% cheaper, you can save $795.00
More brightness (+15 cd/m²)
Curved screen

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