BenQ
BenQ TK850
DLP 4K
82
/ 100
From $1,599
VS
BenQ X3100i wins by 6
BenQ
BenQ X3100i
4LED · 4K · 240Hz gaming
88
/ 100
From $2,999
Specdex verdict
BenQ X3100i takes it — here’s why.
In our weighted Specdex score, BenQ TK850 lands at 82 and BenQ X3100i at 88. That puts BenQ X3100i ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.
Pick BenQ TK850 if…
- ✓Large-screen experience
- ✓Laser light sources live 20k+ hours
- ✓4K HDR on modern models
Pick BenQ X3100i if…
- ✓Low input lag for projectors
- ✓240Hz at 1080p
- ✓True 4K DLP
BenQ TK850 82
vs 88 BenQ X3100i
Score breakdown
BenQ TK850
82 brightness 82
color 80
motion 82
features 80
BenQ X3100i
88 brightness 82
color 90
motion 94
features 88
Specs side-by-side
| Spec | BenQ TK850 | BenQ X3100i |
|---|---|---|
| Type | DLP 4K | 4LED DLP |
| Brightness | — | 3300 ANSI lumens |
| Resolution | — | 4K |
| Gaming | — | 4K/60 + 1080p/240 |
BenQ TK850
Pros
- +Large-screen experience
- +Laser light sources live 20k+ hours
- +4K HDR on modern models
Cons
- −Room conditions matter enormously
- −Fan noise under brightness
- −Smart platform varies
BenQ X3100i
Pros
- +Low input lag for projectors
- +240Hz at 1080p
- +True 4K DLP
Cons
- −Not bright enough for day
- −Fan noise in boost
- −Soundbar recommended
FAQ: BenQ TK850 vs BenQ X3100i
Which is better, BenQ TK850 or BenQ X3100i? +
BenQ X3100i scores 88 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.
Is BenQ TK850 worth the price? +
At $1,599, BenQ TK850 delivers a Specdex score of 82 — strongest in brightness.
Is BenQ X3100i worth the price? +
At $2,999, BenQ X3100i delivers a Specdex score of 88 — strongest in motion.
Does BenQ TK850 or BenQ X3100i last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.