VAVA 4K vs Optoma UHD51A

4K vs UHD51A comparison chart

Overall
VAVA 4K
9
Optoma UHD51A
9.6
10
10
Votes 1 1
Rating 5 5
VAVA 4K

Aug 20, 2020

VAVA 4K review is going to highlight the most important parts of this perfect device. It provides you with a massive picture up to 150 inches with no headache about the right positioning. VAVA, as a ...

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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

VAVA 4K
Optoma UHD51A

Model

4K
UHD51A

Brand

VAVA
Optoma

Reviews

551
146

Resolution

Native resolution

3840 x 2160
3840 x 2160

Max resolution (resized)

3840 x 2160
3840 x 2160

Resolution abbreviation

4K UHD
4K UHD

Properties

Projection screen size, inch

80-150
30-300

Projection distance, m/ft

0.4 - 0,7/1.4 - 2.5
0.8 - 10.6/2.9 - 34.8

Aspect ratio

16:9
16:9

Brightness, lumens

6000
2400

Contrast ratio

1500000:1
500000:1

Throw ratio range

0.23:1
1.21:1 - 1.59:1

Color reproduction

1.07 billion

Projection system

DLP
DLP

Noise level, dBA

32
28

Power consumption, W

360
317

Features

Remote control

HDR

3D

Security

kensington lock, password protection

Projection method

front, tabletop
front, rear, ceiling mount, tabletop

Wireless connection

Additional features

Android OS, Bluetooth
DLP, Amazon Alexa, Google Assistant

Lamp

Lamp type, W

laser phosphor
240

Lamp life (normal mode), hours

25000
4000

Lamp life (eco mode), hours

25000
15000

Connectivity

HDMI

3
2

VGA input

0
1

Composite video input (RCA)

1
0

Audio input (RCA)

0
0

Audio input (3.5mm)

0
1

Audio output (3.5mm)

1
1

SPDIF (optical)

1
1

Ethernet (RJ45)

1
1

MHL

RS-232

0
1

12V trigger

0
1

USB

1
3

USB (service)

0
1

Audio

Integrated speakers

Speaker power, W

30
5

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

0/32
5/41

Max, C/F

40/104
40/104

User manual

Manual

Dimensions

Size W x H x D, сm/inches

53.3 x 10.6 x 36.8/21 x 4.2 x 14.5
39.2 x 12.9 x 28.1/15.4 x 5.1 x 11.1

Weight, kg/pounds

10.7/23.8
6.5/11.7

Other

Release year

2019
2018
VAVA 4K
Optoma UHD51A
VAVA 4K
Optoma UHD51A

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 9
  • 9.6
  • 9VAVA 4K
  • 9.6Optoma UHD51A

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