Optoma UHD51ALV vs LG HF85JA

UHD51ALV vs HF85JA comparison chart

Overall
Optoma UHD51ALV
9.6
LG HF85JA
7.3
10
8
Votes 1 1
Rating 5 5
Optoma UHD51ALV

Aug 30, 2020

I hope you will find this Optoma UHD51ALV review helpful enough for your future purchases. I was very delighted to test this unit, as it has 4K True HD resolution and stunning 3D support. The colors ...

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LG HF85JA

Aug 30, 2020

The LG HF85JA review will be helpful for people looking for a smart laser projector with all modern technologies in it. This living room projector from LG features a DLP technology for a more immersi...

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Common

Product

Optoma UHD51ALV
LG HF85JA

Model

UHD51ALV
HF85JA

Brand

Optoma
LG

Reviews

146
68

Resolution

Native resolution

3840 x 2160
1920 x 1080

Max resolution (resized)

4096 x 2160
1920 x 1080

Resolution abbreviation

4K UHD
Full HD

Properties

Projection screen size, inch

34-302
90-120

Projection distance, m/ft

0.8 - 10.6/2.9 - 34.9
0.4 - 0.6/1.5 x 1.8

Aspect ratio

16:9
16:9

Brightness, lumens

3000
1500

Contrast ratio

500000:1
150000:1

Throw ratio range

1.21:1 - 1.59:1

Color reproduction

1.07 billion

Projection system

DLP
DLP

Noise level, dBA

28
26

Power consumption, W

317
140

Features

Remote control

HDR

3D

Security

kensington lock, password protection
kensington lock, password protection

Projection method

front, rear, ceiling mount, tabletop
tabletop

Wireless connection

Additional features

Amazon Alexa, Google Assistant, DLP
TV tuner

Lamp

Lamp type, W

240

Lamp life (normal mode), hours

4000

Lamp life (eco mode), hours

10000
20000

Connectivity

HDMI

2
2

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
2

SPDIF (optical)

1
0

Ethernet (RJ45)

1
1

MHL

RS-232

1
0

12V trigger

1
0

USB

3
2

USB (service)

1
0

Audio

Integrated speakers

Speaker power, W

5
3

Sound type

stereo
stereo

Lens

F-number

2.5 - 3.26

Focal length, mm

20.9 - 32.6

Lens shift, %

vertical +/- 10

Zoom ratio

1.3x

Settings

Keystone adjustment vertical, +- degrees

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

5/41

Max, C/F

40/104

User manual

Manual

Dimensions

Size W x H x D, сm/inches

39.1 x 12.9 x 28,1/15.4 x 5.1 x 11.1
12.7 x 17.7 x 33/5.5 x 7.5 x 13.9

Weight, kg/pounds

5.3/11.7
2.7/6.6

Other

Release year

2018
2017
Optoma UHD51ALV
LG HF85JA
Optoma UHD51ALV
LG HF85JA

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 9.6
  • 7.3
  • 9.6Optoma UHD51ALV
  • 7.3LG HF85JA