Monitor size comparison
17" 16:9 vs 45" 21:9: Full Size Comparison
Compare exact dimensions, pixel density, content size, and desk fit for these two displays.
Specifications
| Metric | 17 in 16:9 | 45 in 21:9 | Diff |
|---|---|---|---|
| Width | 14.82" | 41.36" | +179.2% |
| Height | 8.33" | 17.73" | +112.7% |
| Area | 123.5 in² | 733.2 in² | +493.7% |
| Diagonal | 17" | 45" | +164.7% |
| Pixel Density | 130 ppi | 123 ppi | -4.7% |
| 16:9 content | 17" | 36.16" | +112.7% |
| 4:3 content | 13.89" | 29.54" | +112.7% |
| 2.35:1 content | 16.1" | 44.95" | +179.2% |
The 17" 16:9 is 14.82" (37.6 cm) wide and 8.33" (21.2 cm) tall, while the 45" 21:9 is 41.36" (105.1 cm) wide and 17.73" (45 cm) tall. That makes the 45" 21:9 the larger screen by 493.7% of usable area.
The 17" 16:9 measures 14.82" (37.6 cm) wide by 8.33" (21.2 cm) tall, with a total screen area of 123.5 square inches. The 45" 21:9 measures 41.36" (105.1 cm) wide by 17.73" (45 cm) tall, covering 733.2 square inches.
In direct comparison: the 45" 21:9 is 179.2% wider, the 45" 21:9 is 112.7% taller, and 45" 21:9 offers 493.7% 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 1920x1080, the 17" 16:9 achieves 130 PPI. The 45" 21:9 at 5120x2160 reaches 123 PPI. The 17" 16:9 has 4.7% higher pixel density, resulting in sharper text and images.
For 16:9 content (most videos and games), the 17" 16:9 provides an effective diagonal of 17", while the 45" 21:9 provides 36.2". This is crucial when comparing ultrawides to standard displays.
Frequently Asked Questions
- What are the exact dimensions of a 17" 16:9 monitor?
- A 17" 16:9 monitor measures 14.82" (37.6 cm) wide by 8.33" (21.2 cm) tall, with a screen area of 123.5 square inches.
- What are the exact dimensions of a 45" 21:9 monitor?
- A 45" 21:9 monitor measures 41.36" (105.1 cm) wide by 17.73" (45 cm) tall, with a screen area of 733.2 square inches.
- Which is bigger: 17" 16:9 or 45" 21:9?
- The 45" 21:9 is 493.7% larger in total screen area, though the 17" 16:9 may be taller depending on aspect ratio.
- How much desk space do I need for a 45" 21:9?
- A 45" 21:9 requires at least 41.36" of desk width. We recommend 47.36" to allow comfortable margins on each side.
- Which has better pixel density: 17" 16:9 or 45" 21:9?
- The 17" 16:9 at 1920x1080 has 130 PPI, which is 4.7% higher than the 45" 21:9's 123 PPI.
- How does 16:9 content look on these displays?
- On the 17" 16:9, 16:9 content appears at an effective 17" diagonal. On the 45" 21:9, it appears at 36.2". Ultrawides display 16:9 content with black bars on the sides.