Between the TK860i and X3100i, the TK860i comes out ahead in several specs, while the X3100i wins on light source. Overall, the TK860i scores 84.6 and the X3100i scores 84.6 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.
The TK860i doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the X3100i if you care most about light source. Its strongest claims are light source.
Both ship with comparable brightness, resolution, short-throw, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why BenQ - TK860i wins
- No decisive advantages.
Why BenQ - X3100i wins
- ▲Light source: LED (vs Lamp).
Spec comparison
Image
| Spec | BenQ - TK860i | BenQ - X3100i |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightness | 3300 lm | 3300 lm |
| Contrast | 600000:1 | 600000:1 |
| Light source | Lamp | LEDlead |
| Short-throw | false | false |
Smart & Connectivity
| Spec | BenQ - TK860i | BenQ - X3100i |
|---|---|---|
| Smart OS | Android TV | Android TV |
| HDMI inputs | 2 | 2 |
| Built-in speakers | true | true |
Spec-level deep dives
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