Monitor size comparison
28" 16:18 vs 29" 21:9: Full Size Comparison
Compare exact dimensions, pixel density, content size, and desk fit for these two displays.
Specifications
| Metric | 28 in 16:18 | 29 in 21:9 | Diff |
|---|---|---|---|
| Width | 18.6" | 26.66" | +43.3% |
| Height | 20.93" | 11.42" | -45.4% |
| Area | 389.3 in² | 304.5 in² | -21.8% |
| Diagonal | 28" | 29" | +3.6% |
| Pixel Density | 138 ppi | 96 ppi | -30.4% |
| 16:9 content | 21.34" | 23.3" | +9.2% |
| 4:3 content | 23.25" | 19.04" | -18.1% |
| 2.35:1 content | 20.22" | 28.97" | +43.3% |
The 28" 16:18 is 18.6" (47.2 cm) wide and 20.93" (53.2 cm) tall, while the 29" 21:9 is 26.66" (67.7 cm) wide and 11.42" (29 cm) tall. That makes the 28" 16:18 the larger screen by 21.8% of usable area.
The 28" 16:18 measures 18.6" (47.2 cm) wide by 20.93" (53.2 cm) tall, with a total screen area of 389.3 square inches. The 29" 21:9 measures 26.66" (67.7 cm) wide by 11.42" (29 cm) tall, covering 304.5 square inches.
In direct comparison: the 29" 21:9 is 43.3% wider, the 28" 16:18 is 45.4% taller, and 28" 16:18 offers 21.8% 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 2560x2880, the 28" 16:18 achieves 138 PPI. The 29" 21:9 at 2560x1080 reaches 96 PPI. The 28" 16:18 has 30.4% higher pixel density, resulting in sharper text and images.
For 16:9 content (most videos and games), the 28" 16:18 provides an effective diagonal of 21.3", while the 29" 21:9 provides 23.3". This is crucial when comparing ultrawides to standard displays.
Frequently Asked Questions
- What are the exact dimensions of a 28" 16:18 monitor?
- A 28" 16:18 monitor measures 18.6" (47.2 cm) wide by 20.93" (53.2 cm) tall, with a screen area of 389.3 square inches.
- 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.
- Which is bigger: 28" 16:18 or 29" 21:9?
- The 28" 16:18 is 21.8% larger in total screen area.
- How much desk space do I need for a 29" 21:9?
- A 29" 21:9 requires at least 26.66" of desk width. We recommend 32.66" to allow comfortable margins on each side.
- Which has better pixel density: 28" 16:18 or 29" 21:9?
- The 28" 16:18 at 2560x2880 has 138 PPI, which is 30.4% higher than the 29" 21:9's 96 PPI.
- How does 16:9 content look on these displays?
- On the 28" 16:18, 16:9 content appears at an effective 21.3" diagonal. On the 29" 21:9, it appears at 23.3". Ultrawides display 16:9 content with black bars on the sides.