Optoma UHD51A vs LG PH450UG

UHD51A vs PH450UG comparison chart

Overall
Optoma UHD51A
9.6
LG PH450UG
7.6
10
8
Votes 1 1
Rating 5 5
Optoma UHD51A

Aug 27, 2020

This Optoma UHD15A review is targeted for users who seek true realism in every scene. This device is a 4K Ultra HD projector that is unmatched in home entertainment. It will provide you with superb c...

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Common

Product

Optoma UHD51A
LG PH450UG

Model

UHD51A
PH450UG

Brand

Optoma
LG

Reviews

146
52

Resolution

Native resolution

3840 x 2160
1280 x 720

Max resolution (resized)

3840 x 2160
1280 x 720

Resolution abbreviation

4K UHD
HD

Properties

Projection screen size, inch

30-300
40-80

Projection distance, m/ft

0.8 - 10.6/2.9 - 34.8
0.2 - 1.1/0.8 - 2.4

Aspect ratio

16:9
16:9

Brightness, lumens

2400
450

Contrast ratio

500000:1
100000:1

Throw ratio range

1.21:1 - 1.59:1
0.29:1

Color reproduction

1.07 billion
1.07 billion

Projection system

DLP
DLP

Noise level, dBA

28

Power consumption, W

317
55

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

Additional features

DLP, Amazon Alexa, Google Assistant
Miracast

Lamp

Lamp type, W

240

Lamp life (normal mode), hours

4000
30000

Lamp life (eco mode), hours

15000
30000

Connectivity

HDMI

2
1

VGA input

1
0

Composite video input (RCA)

0
0

Audio input (RCA)

0
0

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
0

USB

3
1

USB (service)

1
0

Audio

Integrated speakers

Speaker power, W

5
1

Sound type

stereo
stereo

Lens

F-number

2.5 - 3.26

Focal length, mm

20.91 - 32.62

Lens shift, %

vertical +/- 15

Zoom ratio

1.3x

Settings

Keystone adjustment vertical, +- degrees

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

5/41
0/32

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
12.7 x 7.6 x 17.7/ 5.2 x 3.2 x 7.9

Weight, kg/pounds

6.5/11.7
0.9/2.4

Other

Release year

2018
2016
Optoma UHD51A
LG PH450UG
Optoma UHD51A
LG PH450UG

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 9.6
  • 7.6
  • 9.6Optoma UHD51A
  • 7.6LG PH450UG

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