Monitor size comparison
45" 21:9 vs 85" 16:9: Full Size Comparison
Compare exact dimensions, pixel density, content size, and desk fit for these two displays.
Specifications
| Metric | 45 in 21:9 | 85 in 16:9 | Diff |
|---|---|---|---|
| Width | 41.36" | 74.08" | +79.1% |
| Height | 17.73" | 41.67" | +135.1% |
| Area | 733.2 in² | 3087.2 in² | +321.1% |
| Diagonal | 45" | 85" | +88.9% |
| Pixel Density | 123 ppi | 52 ppi | -58% |
| 16:9 content | 36.16" | 85" | +135.1% |
| 4:3 content | 29.54" | 69.45" | +135.1% |
| 2.35:1 content | 44.95" | 80.51" | +79.1% |
The 45" 21:9 is 41.36" (105.1 cm) wide and 17.73" (45 cm) tall, while the 85" 16:9 is 74.08" (188.2 cm) wide and 41.67" (105.8 cm) tall. That makes the 85" 16:9 the larger screen by 321.1% of usable area.
The 45" 21:9 measures 41.36" (105.1 cm) wide by 17.73" (45 cm) tall, with a total screen area of 733.2 square inches. The 85" 16:9 measures 74.08" (188.2 cm) wide by 41.67" (105.8 cm) tall, covering 3087.2 square inches.
In direct comparison: the 85" 16:9 is 79.1% wider, the 85" 16:9 is 135.1% taller, and 85" 16:9 offers 321.1% 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 5120x2160, the 45" 21:9 achieves 123 PPI. The 85" 16:9 at 3840x2160 reaches 52 PPI. The 45" 21:9 has 58% higher pixel density, resulting in sharper text and images.
For 16:9 content (most videos and games), the 45" 21:9 provides an effective diagonal of 36.2", while the 85" 16:9 provides 85". This is crucial when comparing ultrawides to standard displays.
Frequently Asked Questions
- 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.
- What are the exact dimensions of a 85" 16:9 monitor?
- A 85" 16:9 monitor measures 74.08" (188.2 cm) wide by 41.67" (105.8 cm) tall, with a screen area of 3087.2 square inches.
- Which is bigger: 45" 21:9 or 85" 16:9?
- The 85" 16:9 is 321.1% larger in total screen area, though the 45" 21:9 may be taller depending on aspect ratio.
- How much desk space do I need for a 85" 16:9?
- A 85" 16:9 requires at least 74.08" of desk width. We recommend 80.08" to allow comfortable margins on each side.
- Which has better pixel density: 45" 21:9 or 85" 16:9?
- The 45" 21:9 at 5120x2160 has 123 PPI, which is 58% higher than the 85" 16:9's 52 PPI.
- How does 16:9 content look on these displays?
- On the 45" 21:9, 16:9 content appears at an effective 36.2" diagonal. On the 85" 16:9, it appears at 85". Ultrawides display 16:9 content with black bars on the sides.