Monitor size comparison

34" 21:9 vs 70" 16:9: Full Size Comparison

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

Display 134 in 21:9
Display 270 in 16:9
Align:
61"34.3"31.3"13.4"
34 in 21:9
70 in 16:9

Specifications

Metric34 in 21:970 in 16:9Diff
Width31.25"61.01"+95.2%
Height13.39"34.32"+156.2%
Area418.6 in²2093.8 in²+400.2%
Diagonal34"70"+105.9%
Pixel Density82 ppi63 ppi-23%
16:9 content27.32"70"+156.2%
4:3 content22.32"57.2"+156.2%
2.35:1 content33.96"66.3"+95.2%

The 34" 21:9 is 31.25" (79.4 cm) wide and 13.39" (34 cm) tall, while the 70" 16:9 is 61.01" (155 cm) wide and 34.32" (87.2 cm) tall. That makes the 70" 16:9 the larger screen by 400.2% of usable area.

The 34" 21:9 measures 31.25" (79.4 cm) wide by 13.39" (34 cm) tall, with a total screen area of 418.6 square inches. The 70" 16:9 measures 61.01" (155 cm) wide by 34.32" (87.2 cm) tall, covering 2093.8 square inches.

In direct comparison: the 70" 16:9 is 95.2% wider, the 70" 16:9 is 156.2% taller, and 70" 16:9 offers 400.2% 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 2560x1080, the 34" 21:9 achieves 82 PPI. The 70" 16:9 at 3840x2160 reaches 63 PPI. The 34" 21:9 has 23% higher pixel density, resulting in sharper text and images.

For 16:9 content (most videos and games), the 34" 21:9 provides an effective diagonal of 27.3", while the 70" 16:9 provides 70". This is crucial when comparing ultrawides to standard displays.

Frequently Asked Questions

What are the exact dimensions of a 34" 21:9 monitor?
A 34" 21:9 monitor measures 31.25" (79.4 cm) wide by 13.39" (34 cm) tall, with a screen area of 418.6 square inches.
What are the exact dimensions of a 70" 16:9 monitor?
A 70" 16:9 monitor measures 61.01" (155 cm) wide by 34.32" (87.2 cm) tall, with a screen area of 2093.8 square inches.
Which is bigger: 34" 21:9 or 70" 16:9?
The 70" 16:9 is 400.2% larger in total screen area, though the 34" 21:9 may be taller depending on aspect ratio.
How much desk space do I need for a 70" 16:9?
A 70" 16:9 requires at least 61.01" of desk width. We recommend 67.01" to allow comfortable margins on each side.
Which has better pixel density: 34" 21:9 or 70" 16:9?
The 34" 21:9 at 2560x1080 has 82 PPI, which is 23% higher than the 70" 16:9's 63 PPI.
How does 16:9 content look on these displays?
On the 34" 21:9, 16:9 content appears at an effective 27.3" diagonal. On the 70" 16:9, it appears at 70". Ultrawides display 16:9 content with black bars on the sides.

Other 34-inch comparisons

Other 70-inch comparisons