Optoma UHD51A vs Epson Home Cinema 2045

UHD51A vs Home Cinema 2045 comparison chart

Overall
Optoma UHD51A
9.6
Epson Home Cinema 2045
8
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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Epson Home Cinema 2045

Aug 30, 2020

Let me present to you my new Epson Home Cinema 2045 review, specially prepared for cinema lovers. This is a wireless projector with Full HD support, so I assure you will enjoy it to the fullest. Plus...

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Common

Product

Optoma UHD51A
Epson Home Cinema 2045

Model

UHD51A
Home Cinema 2045

Brand

Optoma
Epson

Reviews

146
185

Resolution

Native resolution

3840 x 2160
1920 x 1080

Max resolution (resized)

3840 x 2160
1920 x 1080

Resolution abbreviation

4K UHD
Full HD

Properties

Projection screen size, inch

30-300
34-332

Projection distance, m/ft

0.8 - 10.6/2.9 - 34.8
0.8 - 10.9/2.9 - 35.8

Aspect ratio

16:9
16:10

Brightness, lumens

2400
2200

Contrast ratio

500000:1
35000:1

Throw ratio range

1.21:1 - 1.59:1
1.22:1 - 1.47:1

Color reproduction

1.07 billion
1.07 billion

Projection system

DLP
3LCD

Noise level, dBA

28
37

Power consumption, W

317
307

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
200

Lamp life (normal mode), hours

4000
4000

Lamp life (eco mode), hours

15000
7500

Connectivity

HDMI

2
2

VGA input

1
1

Composite video input (RCA)

0
1

Audio input (RCA)

0
2

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
1

Audio

Integrated speakers

Speaker power, W

5
5

Sound type

stereo
mono

Lens

F-number

2.5 - 3.26
1.58 - 1.72

Focal length, mm

20.91 - 32.62
16.9 - 20.28

Lens shift, %

vertical +/- 15
vertical +/- 30, horizontal +/- 30

Zoom ratio

1.3x
1.2x

Settings

Keystone adjustment vertical, +- degrees

30

Keystone adjustment horizontal, +- degrees

30

Operating temperature

Min, C/F

5/41
5/41

Max, C/F

40/104
35/95

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
30 x 11 x 25/11.8 x 4.3 x 9.8

Weight, kg/pounds

6.5/11.7
3.1/6.9

Other

Release year

2018
2015
Optoma UHD51A
Epson Home Cinema 2045
Optoma UHD51A
Epson Home Cinema 2045

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 9.6
  • 8
  • 9.6Optoma UHD51A
  • 8Epson Home Cinema 2045

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