The difference that matters
The Panasonic PT-VZ580U is brighter (5,000 lumens against 3,000). The BenQ TH671ST costs $451 less at the prices we observed.
Side by side
| Specification | BenQ TH671ST | Panasonic PT-VZ580U |
|---|---|---|
| Brightness | 3,000 lm | 5,000 lm |
| Resolution | Full HD 1080p (1920 × 1080) | WUXGA (1920 × 1200) |
| Native aspect | 16:9 | 16:10 |
| Throw ratio | Not published | Not published |
| Distance for a 10.5 × 8 ft 4:3 screen | — | — |
| Brightness on that screen | 27 fL | 50 fL |
| Light source | Lamp | Lamp |
| Rated life | — | 7,000 h |
| Zoom | — | — |
| Lens shift | — | ±40% |
| Input lag | 16.67 ms | — |
| Price seen | $949 | $1,400 |
Highlighted rows differ. Figures come from each product's sources; room depth, distances and brightness are FOREference calculations using the same method for both.
Which should you choose?
Panasonic PT-VZ580U
Choose the Panasonic PT-VZ580U if your room has ambient light or a large screen.
Before you buy either
- Check the room: room size calculator and ceiling height calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
FOREference compares published specifications; we have not tested these products side by side. How we work · Disclosure