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Compare LG Ultragear 27GX790B-B vs Acer XF240H bmjdpr

LG Ultragear 27GX790B-B and Acer XF240H bmjdpr are both monitors with the same Aspect Ratio (16:9) and DisplayPort (1). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.

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LG Ultragear 27GX790B-B

Acer XF240H bmjdpr

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Brand

LG

Brand

Acer

Model

27GX790B-B

Model

UM.FX0AA.001
XF240H bmjdpr
XF240H

Release Date

📅 December 2025

Release Date

📅 March 2016

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

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Screen Size

27"

Screen Size

24"

Resolution

2560 x 1440

Resolution

1920 x 1080

Pixel Density

108.79 PPI

Pixel Density

91.79 PPI

Dot Pitch

0.23 mm

Dot Pitch

0.27 mm

Panel Type

WOLED Tandem

Panel Type

TN

Widescreen

Yes

Widescreen

Yes

Aspect Ratio

16:9

Aspect Ratio

16:9

Curved Screen

No

Curved Screen

No

Viewing Angle

178° H x 178° V

Viewing Angle

170° H x 160° V

Display Colors

-

Display Colors

16700000

Brightness

335 cd/m²

Brightness

350 cd/m²

Contrast Ratio

-

Contrast Ratio

ACM 100,000,000:1 (1000:1)

Response Time

0.02 ms

Response Time

1 ms

Refresh Rate

540 Hz

Refresh Rate

144 Hz

Built-in Speakers

No

Built-in Speakers

Yes

DVI

0

DVI

0

DisplayPort

1

DisplayPort

1

HDMI

2

HDMI

1

VGA

0

VGA

0

G-SYNC Support

Yes

G-SYNC Support

Yes

FreeSync Support

Yes

FreeSync Support

Yes

-

Options (1)

Acer XG270HU omidpx

WQHD (2560 x 1440) 27-Inch
$249.00

Comparison and key differences summary

Reasons to buy the LG Ultragear 27GX790B-B:

Newer Product, it was released around 10 years later
Bigger screen size (+3.00")
Higher Screen Resolution (2560 x 1440 pixel)
Better pixel density (108.79 PPI)
Less response time (-0.98 ms)
Higher refresh rate (540 Hz)
Better viewing angle
+1 Ports HDMI

Reasons to buy the Acer XF240H bmjdpr:

87% cheaper, you can save $870.00
More brightness (+15 cd/m²)
Built-in speakers

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