70 vs 75 inch TV
A 75" TV is 4.4" wider and 2.5" taller than a 70" TV, with 15% more screen area. That is barely different: 15% more screen is hard to notice from the sofa, so buy whichever is the better TV for the money.
| 70" | 75" | Difference | |
|---|---|---|---|
| Screen width | 61.0" | 65.4" | +4.4" |
| Screen height | 34.3" | 36.8" | +2.5" |
| Screen area | 2094 sq in | 2404 sq in | +15% |
| Immersive seat (THX) | 7 ft | 7 ft 6 in | +0 ft 6 in |
| Relaxed seat (SMPTE) | 9 ft 6 in | 10 ft 2 in | +0 ft 8 in |
Which to pick for your seating distance
| You sit | Better fit |
|---|---|
| 6 ft | Both feel large; 70" is closer to ideal |
| 7 ft | 70" |
| 8 ft | Either |
| 9 ft | Either |
| 10 ft | 75" |
| 11 ft | 75" (or larger) |
About each size
70": A value step between 65 and 75, mostly in budget LCD ranges.
75": The usual step up from 65 for larger living rooms, widely available in LCD and Mini-LED.
Questions
How much bigger is a 75 inch TV than a 70 inch?
The 75" screen is 4.4" wider and 2.5" taller, with 15% more area.
Should I get a 70 or 75 inch TV for 9 feet?
Either works from 9 ft; the 75" feels more immersive, the 70" more relaxed.