Alternatives to Optoma UHD35STx

10 home cinema projectors at a similar price that compete with the UHD35STx — what each does better, what it gives up and how the price compares.

Optoma · 2022

UHD35STx

3840 × 2160 (4K UHD)3,600 lm3.5 kg

approx. price≈ US$1,650

7.7

Cheaper

ViewSonic PX749-4K 16% cheaper Higher score

ViewSonic X1-4KE Pro +1.4 score Newest

ViewSonic LX720-4K 2025

Alternatives to the UHD35STx

ViewSonic · 2023X1-4K

8.5

8% cheaper ≈ US$1,550

Light source life 30,000 h vs 4,000 h
Maximum refresh rate 240 Hz vs 120 Hz
Contrast ratio (dynamic / claimed) 3,000,000:1 vs 1,000,000:1

Brightness (ANSI / ISO lumens) 2,150 lm vs 3,600 lm
Largest image size 150″ vs 302″

Compare with UHD35STx

ViewSonic · 2023LS751HD

7.8

16% pricier ≈ US$1,950

Light source life 20,000 h vs 4,000 h
Brightness (ANSI / ISO lumens) 5,000 lm vs 3,600 lm
Ethernet (LAN)

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

Compare with UHD35STx

BenQ · 2024W2720i

8.5

7% pricier ≈ US$1,800

Light source life 20,000 h vs 4,000 h
Maximum refresh rate 240 Hz vs 120 Hz
Automatic keystone correction

Brightness (ANSI / ISO lumens) 2,500 lm vs 3,600 lm
Weight 6.4 kg vs 3.5 kg

Compare with UHD35STx

Optoma · 2022UHD55

7.2

10% pricier ≈ US$1,850

Ethernet (LAN)
Contrast ratio (dynamic / claimed) 1,200,000:1 vs 1,000,000:1

Compare with UHD35STx

BenQ · 2024TK710

7.9

7% cheaper ≈ US$1,550

Light source life 20,000 h vs 4,000 h
Weight 3 kg vs 3.5 kg
Power consumption 275 W vs 320 W

Built-in speakers (total output) 5 W vs 10 W
Brightness (ANSI / ISO lumens) 3,200 lm vs 3,600 lm

Compare with UHD35STx

ViewSonic · 2024X2-4KE PRO

9.0

Same price ≈ US$1,700

Light source life 30,000 h vs 4,000 h
Maximum refresh rate 240 Hz vs 120 Hz
Contrast ratio (dynamic / claimed) 3,000,000:1 vs 1,000,000:1

Largest image size 150″ vs 302″
Fan noise 33 dB vs 28 dB

Compare with UHD35STx

ViewSonic · 2025LX720-4K

7.8

10% cheaper ≈ US$1,500

Light source life 20,000 h vs 4,000 h

Brightness (ANSI / ISO lumens) 3,500 lm vs 3,600 lm
Contrast ratio (dynamic / claimed) 300,000:1 vs 1,000,000:1

Compare with UHD35STx

ViewSonic · 2024X1-4KE Pro

9.1

10% cheaper ≈ US$1,500

Light source life 30,000 h vs 4,000 h
Maximum refresh rate 240 Hz vs 120 Hz
Contrast ratio (dynamic / claimed) 3,000,000:1 vs 1,000,000:1

Largest image size 150″ vs 302″
Fan noise 33 dB vs 28 dB

Compare with UHD35STx

ViewSonic · 2023PX749-4K

16% cheaper ≈ US$1,400

Light source life 40,000 h vs 4,000 h
Brightness (ANSI / ISO lumens) 4,000 lm vs 3,600 lm
Ethernet (LAN)

Contrast ratio (dynamic / claimed) 12,000:1 vs 1,000,000:1

Compare with UHD35STx

ViewSonic · 2023X2-4K

8.5

18% pricier ≈ US$1,950

Light source life 30,000 h vs 4,000 h
Maximum refresh rate 240 Hz vs 120 Hz
Contrast ratio (dynamic / claimed) 3,000,000:1 vs 1,000,000:1

Brightness (ANSI / ISO lumens) 2,150 lm vs 3,600 lm
Largest image size 150″ vs 302″

Compare with UHD35STx