BenQ TH575: Specs, Throw Distance & Alternatives
A bright, low-cost 1080p lamp projector. BenQ rates it at 3,800 ANSI lumens and 16.7 ms input lag at 1080p/60. Its HDMI 1.4a ports mean no 4K input and no HDR, and it has no smart TV system or lens shift.
Is the BenQ TH575 right for you?
Good for
- Rooms with some light: 3,800 ANSI lumens rated
- Console gaming at 1080p/60 (16.7 ms)
- Easy to move for a lamp projector at 5.5 lb
- A 10 W built-in speaker
What to plan for
- HDMI 1.4a: no 4K input, no HDR and no ARC
- No built-in streaming or wireless: add a streaming stick (it has a powered USB-A port)
- No lens shift and a 1.1x zoom
- Vertical keystone only
- Lamp rated for 6,000 hours in Normal mode (15,000 in LampSave)
Based on manufacturer specifications and published reviews (sources below). We don't do hands-on testing.
BenQ TH575 specs
| Resolution | 1080p (1920 × 1080 native; no 4K input) |
|---|---|
| Brightness | 3,800 ANSI lumens (BenQ rating) |
| Display technology | DLP |
| Light source | Lamp (203 W) |
| Lamp life (Normal mode) | 6,000 hours |
| Contrast ratio | 15,000:1 (BenQ rating) |
| Throw ratio | 1.49-1.64:1 |
| Lens shift | None (fixed 108% offset) |
| Max refresh rate | 120 Hz |
| HDMI ports | 2 (HDMI 1.4a) |
| Speakers | 10 W |
| Weight | 5.5 lb |
How far from the screen?
Lens-to-screen distance for a 16:9 image, calculated from its 1.49-1.64:1 throw ratio. The zoom lets you place it anywhere in the range.
| Screen | Closest | Farthest |
|---|---|---|
| 80″ | 8' 8" | 9' 6" |
| 100″ | 10' 10" | 11' 11" |
| 120″ | 13' 0" | 14' 4" |
| 150″ | 16' 3" | 17' 10" |
BenQ TH575 input lag by mode
| Signal | Input lag |
|---|---|
| 1080p / 60 Hz (Game mode) | 16.7 ms |
Source: BenQ’s rating, matched by a Gagadget measurement. Its fastest figure (16.7 ms at 1080p / 60 Hz (Game mode)) is quicker than 45 of the 96 projectors with a lag figure in our input lag database, which lists each model's fastest mode.
BenQ TH575 alternatives at a similar price
In-stock 1080p projectors priced closest to it on Amazon today.
| Model | Price today | Amazon rating | Compare |
|---|---|---|---|
| BenQ TH575 (this one) | $500 | 4.4★ | — |
| Epson EpiqVision Flex CO-FH02 Full HD 1080p Smart Streaming | $499 | 4.0★ | — |
| Optoma HD146X 1080P Full HD Vibrant Home Theater Projector | $599 | 4.3★ | — |
| Optoma HD30LV 1080p Full HD Home Projector | $629 | 4.3★ | — |
| ViewSonic PA503HD 4000 Lumens High Brightness Projector with | $640 | 4.1★ | — |
Where it fits
BenQ TH575 FAQ
- How far from the screen should the BenQ TH575 be for a 100-inch image?
- Between 10' 10" and 11' 11" from lens to screen, depending on the zoom setting (throw ratio 1.49-1.64:1).
- What is the input lag of the BenQ TH575?
- 1080p / 60 Hz (Game mode): 16.7 ms. Source: BenQ’s rating, matched by a Gagadget measurement.
- Does the BenQ TH575 have lens shift?
- No. It has a fixed 108% offset and a 1.1x zoom.
Sources
Price, stock and rating come from Amazon and update automatically (last checked Nov 14, 2026, 8:00 PM).
Disclosure: As an Amazon Associate we earn from qualifying purchases. We also participate in the eBay Partner Network. We may earn a commission when you click through an affiliate link and make a purchase, at no extra cost to you. Prices and availability shown are accurate as of the time posted but are subject to change. Any price and availability information displayed at the time of purchase will apply.