Monitor size comparison

29" 21:9 vs 38" 21:9: Full Size Comparison

Compare exact dimensions, pixel density, content size, and desk fit for these two displays.

Display 129 in 21:9
Display 238 in 21:9
Align:
34.9"15"26.7"11.4"
29 in 21:9
38 in 21:9

Specifications

Metric29 in 21:938 in 21:9Diff
Width26.66"34.93"+31%
Height11.42"14.97"+31%
Area304.5 in²522.8 in²+71.7%
Diagonal29"38"+31%
Pixel Density96 ppi109 ppi+14.3%
16:9 content23.3"30.53"+31%
4:3 content19.04"24.95"+31%
2.35:1 content28.97"37.96"+31%

The 29" 21:9 is 26.66" (67.7 cm) wide and 11.42" (29 cm) tall, while the 38" 21:9 is 34.93" (88.7 cm) wide and 14.97" (38 cm) tall. That makes the 38" 21:9 the larger screen by 71.7% of usable area.

The 29" 21:9 measures 26.66" (67.7 cm) wide by 11.42" (29 cm) tall, with a total screen area of 304.5 square inches. The 38" 21:9 measures 34.93" (88.7 cm) wide by 14.97" (38 cm) tall, covering 522.8 square inches.

In direct comparison: the 38" 21:9 is 31% wider, the 38" 21:9 is 31% taller, and 38" 21:9 offers 71.7% more screen area. The width delta is the main desk-fit number, while the height delta shows how much vertical space changes for documents, timelines, and video.

At 2560x1080, the 29" 21:9 achieves 96 PPI. The 38" 21:9 at 3840x1600 reaches 109 PPI. The 38" 21:9 has 14.3% higher pixel density, resulting in sharper text and images.

For 16:9 content (most videos and games), the 29" 21:9 provides an effective diagonal of 23.3", while the 38" 21:9 provides 30.5". This is crucial when comparing ultrawides to standard displays.

Frequently Asked Questions

What are the exact dimensions of a 29" 21:9 monitor?
A 29" 21:9 monitor measures 26.66" (67.7 cm) wide by 11.42" (29 cm) tall, with a screen area of 304.5 square inches.
What are the exact dimensions of a 38" 21:9 monitor?
A 38" 21:9 monitor measures 34.93" (88.7 cm) wide by 14.97" (38 cm) tall, with a screen area of 522.8 square inches.
Which is bigger: 29" 21:9 or 38" 21:9?
The 38" 21:9 is 71.7% larger in total screen area, though the 29" 21:9 may be taller depending on aspect ratio.
How much desk space do I need for a 38" 21:9?
A 38" 21:9 requires at least 34.93" of desk width. We recommend 40.93" to allow comfortable margins on each side.
Which has better pixel density: 29" 21:9 or 38" 21:9?
The 38" 21:9 at 3840x1600 has 109 PPI, which is 14.3% higher than the 29" 21:9's 96 PPI.
How does 16:9 content look on these displays?
On the 29" 21:9, 16:9 content appears at an effective 23.3" diagonal. On the 38" 21:9, it appears at 30.5". Ultrawides display 16:9 content with black bars on the sides.

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