Alternatives to BenQ LK835ST

10 home cinema projectors at a similar price that compete with the LK835ST — what each does better, what it gives up and how the price compares.

BenQ · 2022

LK835ST

3840 × 2160 (4K UHD)4,000 lmLaser3.4 kg

approx. price≈ US$2,500

6.3

Cheaper

Optoma UHD35STx 33% cheaper Higher score

Optoma UHZ35ST +2.8 score Newest

BenQ X3100i 2023

Alternatives to the LK835ST

InFocus · 2022INL2169

8.7

6% cheaper ≈ US$2,350

Built-in speakers (total output) 20 W vs 10 W
Brightness (ANSI / ISO lumens) 4,500 lm vs 4,000 lm
Light source life 30,000 h vs 20,000 h

Resolution (on screen) 1920 × 1200 (WUXGA) vs 3840 × 2160 (4K UHD)
Autofocus

Compare with LK835ST

Optoma · 20234K400STx

6.3

15% cheaper ≈ US$2,100

Largest image size 300″ vs 120″
Fan noise 28 dB vs 34 dB

Light source life 4,000 h vs 20,000 h
Contrast ratio (dynamic / claimed) 1,000,000:1 vs 3,000,000:1

Compare with LK835ST

Optoma · 2022UHZ45

8.8

13% cheaper ≈ US$2,150

Built-in speakers (total output) 20 W vs 10 W
Light source life 30,000 h vs 20,000 h
Largest image size 300″ vs 120″

Brightness (ANSI / ISO lumens) 3,800 lm vs 4,000 lm
Contrast ratio (dynamic / claimed) 2,000,000:1 vs 3,000,000:1

Compare with LK835ST

ViewSonic · 2023X2-4K

8.5

21% cheaper ≈ US$1,950

Maximum refresh rate 240 Hz vs 120 Hz
Lens shift Vertical vs None
Light source life 30,000 h vs 20,000 h

Brightness (ANSI / ISO lumens) 2,150 lm vs 4,000 lm
Weight 3.6 kg vs 3.4 kg

Compare with LK835ST

BenQ · 2023X3100i

8.2

7% cheaper ≈ US$2,300

Maximum refresh rate 240 Hz vs 120 Hz
Lens shift Vertical vs None
Automatic keystone correction

Brightness (ANSI / ISO lumens) 3,300 lm vs 4,000 lm
Contrast ratio (dynamic / claimed) 600,000:1 vs 3,000,000:1

Compare with LK835ST

Optoma · 2022UHD55

7.2

26% cheaper ≈ US$1,850

Lens shift Vertical vs None
Largest image size 300″ vs 120″
Fan noise 28 dB vs 34 dB

Light source life 4,000 h vs 20,000 h
Brightness (ANSI / ISO lumens) 3,600 lm vs 4,000 lm

Compare with LK835ST

ViewSonic · 2023LS751HD

7.8

22% cheaper ≈ US$1,950

Brightness (ANSI / ISO lumens) 5,000 lm vs 4,000 lm
Lens shift Vertical vs None
Largest image size 300″ vs 120″

Resolution (on screen) 1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
Contrast ratio (dynamic / claimed) 300,000:1 vs 3,000,000:1

Compare with LK835ST

Optoma · 2023GT2100HDR

7.1

27% cheaper ≈ US$1,800

Brightness (ANSI / ISO lumens) 4,200 lm vs 4,000 lm
Built-in speakers (total output) 15 W vs 10 W
Light source life 30,000 h vs 20,000 h

Resolution (on screen) 1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
Contrast ratio (dynamic / claimed) 300,000:1 vs 3,000,000:1

Compare with LK835ST

Optoma · 2023UHZ35ST

9.1

26% cheaper ≈ US$1,850

Maximum refresh rate 240 Hz vs 120 Hz
Built-in speakers (total output) 15 W vs 10 W
Light source life 30,000 h vs 20,000 h

Brightness (ANSI / ISO lumens) 3,500 lm vs 4,000 lm
Contrast ratio (dynamic / claimed) 500,000:1 vs 3,000,000:1

Compare with LK835ST

Optoma · 2022UHD35STx

7.7

33% cheaper ≈ US$1,650

Lens shift Vertical vs None
Largest image size 302″ vs 120″
Fan noise 28 dB vs 34 dB

Light source life 4,000 h vs 20,000 h
Brightness (ANSI / ISO lumens) 3,600 lm vs 4,000 lm

Compare with LK835ST