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  3. 4K550 vs PX701HD

Optoma 4K550 vs ViewSonic PX701HD

What 4K550 does better (6) and where PX701HD wins (5) — every spec side by side.

Optoma 4K550
Optoma · 20184K550
5.4Score
6 advantages
Higher score
vs
ViewSonic PX701HD
ViewSonic · 2018PX701HD
4.8Score
5 advantages
9.3Picture4.0
2.2Noise, lifetime & portability5.0
Dimensions

Size comparison

4K550PX701HD
392 × 129281312 × 108222
4K550PX701HDDifference
Height129 mm108 mm+21 mm
Width392 mm312 mm+80 mm
Depth281 mm222 mm+59 mm
Weight5.8 kg2.6 kg+3.2 kg

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

Why is 4K550 better than PX701HD?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Brightness (ANSI / ISO lumens)5,000 lm vs 3,500 lm+43%
  3. Lens shiftVertical vs None
  4. HDR supportYes · PX701HD: No
  5. Ethernet (LAN)Yes · PX701HD: No
  6. Optical zoom1.6× vs 1.1×+45%

Why is PX701HD better than 4K550?

  1. Light source life3,000 h vs 5,000 h+67%
  2. Weight5.8 kg vs 2.59 kg2.2×
  3. Fan noise32 dB vs 31 dB+3%
  4. Contrast ratio (dynamic / claimed)10,000:1 vs 12,000:1+20%
  5. Power consumption335 W vs 300 W+12%
Specifications

Side by side

Picture
Resolution (on screen)3840 × 2160 (4K UHD)1920 × 1080 (Full HD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting—
Display technologyDLPDLP
Brightness (ANSI / ISO lumens)5,000 lm3,500 lm
Contrast ratio (dynamic / claimed)10,000:112,000:1
HDR supportYesNo
3D playbackYesYes
Gaming
Maximum refresh rate120 Hz120 Hz
Game / low-latency mode—Yes
Lens & placement
Throw ratio1.39:11.5:1
Throw ratio (zoomed in)2.22:11.65:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.08 m3.32 m
Smallest image size26″30″
Largest image size302″300″
Optical zoom1.6×1.1×
Lens shiftVerticalNone
Keystone correction—Yes
Automatic keystone correction—No
Sound
Built-in speakers (total output)10 W10 W
Connectivity
HDMI inputs22
USB portYesYes
Ethernet (LAN)YesNo
VGA inputYesYes
Audio outputYesYes
Battery, power & lifetime
Power consumption335 W300 W
Light source life3,000 h5,000 h
Light source life (eco mode)4,000 h20,000 h
Design & noise
Fan noise32 dB31 dB
Fan noise (eco mode)—27 dB
Weight5.8 kg2.59 kg
Width392 mm312 mm
Height129 mm108 mm
Depth281 mm222 mm
ColoursWhiteWhite
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