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  3. UHD30 vs PX701-4K

Optoma UHD30 vs ViewSonic PX701-4K

What UHD30 does better (4) and where PX701-4K wins (4) — every spec side by side.

Optoma UHD30
Optoma · 2020UHD30
7.3Score
4 advantages≈ US$700
Higher score
vs
ViewSonic PX701-4K
ViewSonic · 2021PX701-4K
7.3Score
4 advantages≈ US$860
7.5Picture6.8
5.0Gaming & inputs9.7
7.0Setup & placement2.9
5.1Noise, lifetime & portability5.4
Dimensions

Size comparison

UHD30PX701-4K
315 × 118270312 × 108222
UHD30PX701-4KDifference
Height118 mm108 mm+10 mm
Width315 mm312 mm+3 mm
Depth270 mm222 mm+48 mm
Weight3.9 kg2.8 kg+1.1 kg

Drawn to the same scale from the official dimensions (front and side).

Why is UHD30 better than PX701-4K?

  1. Lens shiftVertical vs None
  2. Brightness (ANSI / ISO lumens)3,400 lm vs 3,200 lm+6%
  3. Contrast ratio (dynamic / claimed)500,000:1 vs 12,000:141.7×
  4. Fan noise26 dB vs 31 dB+19%

Why is PX701-4K better than UHD30?

  1. Maximum refresh rate120 Hz vs 240 Hz2×
  2. Light source life4,000 h vs 6,000 h+50%
  3. Weight3.9 kg vs 2.8 kg+39%
  4. Power consumption305 W vs 290 W+5%
Specifications

Side by side

Optoma UHD30Optoma UHD30≈ US$7007.3
ViewSonic PX701-4KViewSonic PX701-4K≈ US$8607.3
Picture
Resolution (on screen)3840 × 2160 (4K UHD)3840 × 2160 (4K UHD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting4K by pixel shifting
Display technologyDLPDLP
Brightness (ANSI / ISO lumens)3,400 lm3,200 lm
Contrast ratio (dynamic / claimed)500,000:112,000:1
HDR supportYesYes
Motion interpolation (MEMC)Yes—
3D playbackYesYes
Gaming
Maximum refresh rate120 Hz240 Hz
Game / low-latency mode—Yes
Lens & placement
Throw ratio1.5:11.5:1
Throw ratio (zoomed in)1.66:11.65:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m3.32 m
Smallest image size33″30″
Largest image size302″300″
Optical zoom1.1×1.1×
Lens shiftVerticalNone
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)10 W10 W
Connectivity
HDMI inputs22
HDMI version2—
USB portYesYes
Ethernet (LAN)NoNo
VGA inputYesNo
Audio outputYesYes
Battery, power & lifetime
Power consumption305 W290 W
Light source life4,000 h6,000 h
Light source life (eco mode)15,000 h20,000 h
Design & noise
Fan noise26 dB31 dB
Fan noise (eco mode)—27 dB
Weight3.9 kg2.8 kg
Width315 mm312 mm
Height118 mm108 mm
Depth270 mm222 mm
ColoursWhiteWhite
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