BenQ TK705i
#2 in 4KFull review
A smart LED 4K projector for a living room that doubles as a console gaming screen, with three-year coverage and no lamp to replace.
Amazon $1,599$1,599
4.7/5
A bright LED 4K gaming projector with streaming in the box, for gamers who want low lag and no lamp to replace.
- 3,300 ANSIBrightness
- 1920 x 1080 (1080p)Native resolution
- LEDLight source
- Android TV, licensed NetflixStreaming
- 4.2 msInput lag
Check price at Amazon$1,799
Price checked October 29, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- LED light lasts for years with no lamp swaps
- Very low lag at 1080p/240 for fast games
- Included Android TV dongle runs licensed Netflix
- Three-year warranty
Cons
- Heavy and bulky at 15 lb
- Measured contrast is somewhat low for dark movie scenes
- Manual focus
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Independent measurements
Brightness, input lag and contrast measured by independent reviewers.
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| ProjectorCentral | 2,949 lm | 5 ms | - | 2,949 ANSI lumens in Bright mode with video-level white (3,361 with full-white signal); 1,199 in calibrated User mode, Eco. Lag 5 ms at 1080p/240, 9 ms at 1080p/120, 17 ms at 4K/60 in FPS mode. |
Specifications
| Model number | X3100i |
|---|---|
| Picture | |
| Brightness | 3,300 ANSI |
| Native resolution | 1920 x 1080 (1080p) |
| Picture resolution | 4K (pixel shift from 1920x1080) |
| Display | DLP |
| Light source | LED |
| Light source life | 30,000 hours |
| HDR | HDR10 |
| Color gamut | 100% DCI-P3 |
| Dynamic contrast | 600,000:1 |
| Placement | |
| Throw | Standard throw (1.1:1) |
| Largest image | 300 in |
| Autofocus | No |
| Auto keystone | Yes |
| Obstacle avoidance | No |
| Auto screen fit | No |
| Optical zoom | 1.3x |
| Lens shift | Vertical |
| Streaming and gaming | |
| Built-in apps | Android TV, licensed Netflix |
| Input lag | 4.2 ms |
| Top refresh rate | 240 Hz |
| HDMI ports | 2 |
| eARC | Yes |
| Speakers | 10 W |
| Build | |
| Battery | None |
| Fan noise | 32 dB |
| Power | 330 W |
| Dimensions | 10.7 x 8.4 x 10.2 in (W x D x H) |
| Weight | 15 lb |
| Warranty | 3 years |
| Released | 2023-10 |
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