Monitor size comparison
38" 21:9 vs 42" 16:9: Full Size Comparison
Compare exact dimensions, pixel density, content size, and desk fit for these two displays.
Specifications
| Metric | 38 in 21:9 | 42 in 16:9 | Diff |
|---|---|---|---|
| Width | 34.93" | 36.61" | +4.8% |
| Height | 14.97" | 20.59" | +37.6% |
| Area | 522.8 in² | 753.8 in² | +44.2% |
| Diagonal | 38" | 42" | +10.5% |
| Pixel Density | 109 ppi | 105 ppi | -4.2% |
| 16:9 content | 30.53" | 42" | +37.6% |
| 4:3 content | 24.95" | 34.32" | +37.6% |
| 2.35:1 content | 37.96" | 39.78" | +4.8% |
The 38" 21:9 is 34.93" (88.7 cm) wide and 14.97" (38 cm) tall, while the 42" 16:9 is 36.61" (93 cm) wide and 20.59" (52.3 cm) tall. That makes the 42" 16:9 the larger screen by 44.2% of usable area.
The 38" 21:9 measures 34.93" (88.7 cm) wide by 14.97" (38 cm) tall, with a total screen area of 522.8 square inches. The 42" 16:9 measures 36.61" (93 cm) wide by 20.59" (52.3 cm) tall, covering 753.8 square inches.
In direct comparison: the 42" 16:9 is 4.8% wider, the 42" 16:9 is 37.6% taller, and 42" 16:9 offers 44.2% 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 3840x1600, the 38" 21:9 achieves 109 PPI. The 42" 16:9 at 3840x2160 reaches 105 PPI. The 38" 21:9 has 4.2% higher pixel density, resulting in sharper text and images.
For 16:9 content (most videos and games), the 38" 21:9 provides an effective diagonal of 30.5", while the 42" 16:9 provides 42". This is crucial when comparing ultrawides to standard displays.
Frequently Asked Questions
- 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.
- What are the exact dimensions of a 42" 16:9 monitor?
- A 42" 16:9 monitor measures 36.61" (93 cm) wide by 20.59" (52.3 cm) tall, with a screen area of 753.8 square inches.
- Which is bigger: 38" 21:9 or 42" 16:9?
- The 42" 16:9 is 44.2% larger in total screen area, though the 38" 21:9 may be taller depending on aspect ratio.
- How much desk space do I need for a 42" 16:9?
- A 42" 16:9 requires at least 36.61" of desk width. We recommend 42.61" to allow comfortable margins on each side.
- Which has better pixel density: 38" 21:9 or 42" 16:9?
- The 38" 21:9 at 3840x1600 has 109 PPI, which is 4.2% higher than the 42" 16:9's 105 PPI.
- How does 16:9 content look on these displays?
- On the 38" 21:9, 16:9 content appears at an effective 30.5" diagonal. On the 42" 16:9, it appears at 42". Ultrawides display 16:9 content with black bars on the sides.