Monitor size comparison

28" 3:2 vs 38" 21:9: Full Size Comparison

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

Display 128 in 3:2
Display 238 in 21:9
Align:
34.9"15"23.3"15.5"
28 in 3:2
38 in 21:9

Specifications

Metric28 in 3:238 in 21:9Diff
Width23.3"34.93"+49.9%
Height15.53"14.97"-3.6%
Area361.8 in²522.8 in²+44.5%
Diagonal28"38"+35.7%
Pixel Density165 ppi109 ppi-33.6%
16:9 content26.73"30.53"+14.2%
4:3 content25.89"24.95"-3.6%
2.35:1 content25.32"37.96"+49.9%

The 28" 3:2 is 23.3" (59.2 cm) wide and 15.53" (39.5 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 44.5% of usable area.

The 28" 3:2 measures 23.3" (59.2 cm) wide by 15.53" (39.5 cm) tall, with a total screen area of 361.8 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 49.9% wider, the 28" 3:2 is 3.6% taller, and 38" 21:9 offers 44.5% 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 3840x2560, the 28" 3:2 achieves 165 PPI. The 38" 21:9 at 3840x1600 reaches 109 PPI. The 28" 3:2 has 33.6% higher pixel density, resulting in sharper text and images.

For 16:9 content (most videos and games), the 28" 3:2 provides an effective diagonal of 26.7", 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 28" 3:2 monitor?
A 28" 3:2 monitor measures 23.3" (59.2 cm) wide by 15.53" (39.5 cm) tall, with a screen area of 361.8 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: 28" 3:2 or 38" 21:9?
The 38" 21:9 is 44.5% larger in total screen area, though the 28" 3:2 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: 28" 3:2 or 38" 21:9?
The 28" 3:2 at 3840x2560 has 165 PPI, which is 33.6% higher than the 38" 21:9's 109 PPI.
How does 16:9 content look on these displays?
On the 28" 3:2, 16:9 content appears at an effective 26.7" 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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