Optoma UHD51A vs Optoma HD142X review

Votes 1 1
Rating 5 5
Optoma UHD51A
vs
Optoma HD142X

The Optoma UHD51A vs Optoma HD142X comparison shows that these projectors have some important differences and common features. Based on our rating, UHD51A has a total rating of 9.6 out of 10 versus 7.3 for HD142X.

Advantages Optoma UHD51A over Optoma HD142X

  • Bring the cinematic 4K UHD experience home with the UHD51A
  • UHD51A is HDR-compatible
  • More USB ports: 3 vs 1
  • Stereo sound vs mono from integrated speakers

Advantages Optoma HD142X over Optoma UHD51A

  • Better brightness: 3000 vs 2400 lumens
  • Lower power consumption, 260 W vs 317 W
  • Longer lamp life (normal mode): 5000 vs 4000 hours

Common features and specifications

  • Equal projection screen size: 30-300 inch
  • The same noise level: 28 dB
  • 3D support
  • Equal HDMI connectors quantity: 2
  • Integrated speakers

Projectors comparison chart

Overall
Optoma UHD51A
9.6
Optoma HD142X
7.3
10
7
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Common

Product

Optoma UHD51A
Optoma HD142X

Model

UHD51A
HD142X

Brand

Optoma
Optoma

Reviews

144
1665

Resolution

Native resolution

3840 x 2160
1920 x 1080

Max resolution (resized)

3840 x 2160
1920 x 1200

Resolution abbreviation

4K UHD
Full HD

Properties

Projection screen size, inch

30-300
30-300

Projection distance, m/ft

0.8 - 10.6/2.9 - 34.8
1.5 - 10/3.2 - 32.8

Aspect ratio

16:9
16:9

Brightness, lumens

2400
3000

Contrast ratio

500000:1
23000:1

Throw ratio range

1.21:1 - 1.59:1
1.48:1 - 1.62:1

Color reproduction

1.07 billion
1073.4 million

Projection system

DLP
DLP

Noise level, dBA

28
28

Power consumption, W

317
260

Features

Remote control

HDR

3D

Security

kensington lock, password protection
kensington lock, password protection

Projection method

front, rear, ceiling mount, tabletop
front, rear, ceiling mount, tabletop

Wireless connection

optional

Additional features

DLP, Amazon Alexa, Google Assistant
has not

Lamp

Lamp type, W

240
195

Lamp life (normal mode), hours

4000
5000

Lamp life (eco mode), hours

15000
6000

Connectivity

HDMI

2
2

VGA input

1
1

Composite video input (RCA)

0
1

Audio input (RCA)

0
1

Audio input (3.5mm)

1
0

Audio output (3.5mm)

1
1

SPDIF (optical)

1
0

Ethernet (RJ45)

1
0

MHL

RS-232

1
0

12V trigger

1
1

USB

3
1

USB (service)

1
0

Audio

Integrated speakers

Speaker power, W

5
10

Sound type

stereo
mono

Lens

F-number

2.5 - 3.26
2.5 - 2.67

Focal length, mm

20.91 - 32.62
21.86 - 24

Lens shift, %

vertical +/- 15

Zoom ratio

1.3x
1.1x

Settings

Keystone adjustment vertical, +- degrees

40

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

5/41
5/41

Max, C/F

40/104
40/104

User manual

Manual

Dimensions

Size W x H x D, сm/inches

39.2 x 12.9 x 28.1/15.4 x 5.1 x 11.1
29.7 x 9.4 x 22.8/11.7 x 3.7 x 9

Weight, kg/pounds

6.5/11.7
2.4/5.5
Optoma UHD51A
Optoma HD142X
Optoma UHD51A
Optoma HD142X

Projectors SoundStrokes Art comparison rating

  • better
  • worse
  • 9.6
  • 7.3
  • 9.6Optoma UHD51A
  • 7.3Optoma HD142X

The Optoma UHD51A is better home theater projector in this comparison. Check Optoma UHD51A price