Between the X3100i and EpiqVision Ultra LS650, the X3100i comes out ahead in several specs, while the EpiqVision Ultra LS650 wins on brightness and light source. Overall, the X3100i scores 84.6 and the EpiqVision Ultra LS650 scores 89.1 on our Mars Score.
Which should you buy?
The EpiqVision Ultra LS650 edges ahead on the Mars Score (84.6 vs 89.1), but the 4.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The X3100i 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 EpiqVision Ultra LS650 if you care most about brightness and light source. Its strongest claims are brightness, light source, short-throw.
Both ship with comparable resolution, 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 - X3100i wins
- No decisive advantages.
Why Epson - EpiqVision Ultra LS650 wins
- ▲Brightness — 9.09% more. 3600 lm vs 3300 lm.
- ▲Light source: Laser (vs LED).
- ▲Short-throw: true (vs false).
Spec comparison
Image
| Spec | BenQ - X3100i | Epson - EpiqVision Ultra LS650 |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightness | 3300 lm | 3600 lmlead |
| Contrast | 600000:1 | 2500000:1 |
| Light source | LED | Laserlead |
| Short-throw | false | truelead |
Smart & Connectivity
| Spec | BenQ - X3100i | Epson - EpiqVision Ultra LS650 |
|---|---|---|
| Smart OS | Android TV | Android TV |
| HDMI inputs | 2 | 3lead |
| Built-in speakers | true | true |
Frequently asked
Spec-level deep dives
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