Monitor size comparison

34" 21:9 vs 38" 21:9: Full Size Comparison

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

Display 134 in 21:9
Display 238 in 21:9
Align:
34.9"15"31.3"13.4"
34 in 21:9
38 in 21:9

Specifications

Metric34 in 21:938 in 21:9Diff
Width31.25"34.93"+11.8%
Height13.39"14.97"+11.8%
Area418.6 in²522.8 in²+24.9%
Diagonal34"38"+11.8%
Pixel Density82 ppi109 ppi+34%
16:9 content27.32"30.53"+11.8%
4:3 content22.32"24.95"+11.8%
2.35:1 content33.96"37.96"+11.8%

The 34" 21:9 is 31.25" (79.4 cm) wide and 13.39" (34 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 24.9% of usable area.

The 34" 21:9 measures 31.25" (79.4 cm) wide by 13.39" (34 cm) tall, with a total screen area of 418.6 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 11.8% wider, the 38" 21:9 is 11.8% taller, and 38" 21:9 offers 24.9% 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 34" 21:9 achieves 82 PPI. The 38" 21:9 at 3840x1600 reaches 109 PPI. The 38" 21:9 has 34% higher pixel density, resulting in sharper text and images.

For 16:9 content (most videos and games), the 34" 21:9 provides an effective diagonal of 27.3", 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 34" 21:9 monitor?
A 34" 21:9 monitor measures 31.25" (79.4 cm) wide by 13.39" (34 cm) tall, with a screen area of 418.6 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: 34" 21:9 or 38" 21:9?
The 38" 21:9 is 24.9% larger in total screen area, though the 34" 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: 34" 21:9 or 38" 21:9?
The 38" 21:9 at 3840x1600 has 109 PPI, which is 34% higher than the 34" 21:9's 82 PPI.
How does 16:9 content look on these displays?
On the 34" 21:9, 16:9 content appears at an effective 27.3" 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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