Optoma UHD51ALV vs Optoma HD27HDR

UHD51ALV vs HD27HDR comparison chart

Overall
Optoma UHD51ALV
9.6
Optoma HD27HDR
8
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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Optoma HD27HDR

Aug 27, 2020

In this Optoma HD27HDR review I’d like to introduce you to an incredible projector, which produces 1080p HDR images with a brightness of 3400 lumens. From the first glance, you’ll underst...

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Common

Product

Optoma UHD51ALV
Optoma HD27HDR

Model

UHD51ALV
HD27HDR

Brand

Optoma
Optoma

Reviews

146
860

Resolution

Native resolution

3840 x 2160
1920 x 1080

Max resolution (resized)

4096 x 2160
3840 x 2160

Resolution abbreviation

4K UHD
Full HD

Properties

Projection screen size, inch

34-302
28-305

Projection distance, m/ft

0.8 - 10.6/2.9 - 34.9
0.9 - 10.9/3.2 - 35.9

Aspect ratio

16:9
16:9

Brightness, lumens

3000
3400

Contrast ratio

500000:1
50000:1

Throw ratio range

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

Color reproduction

1.07 billion

Projection system

DLP
DLP

Noise level, dBA

28
26

Power consumption, W

317
236

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

Amazon Alexa, Google Assistant, DLP
DLP

Lamp

Lamp type, W

240
203

Lamp life (normal mode), hours

4000
6000

Lamp life (eco mode), hours

10000
10000

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
1

SPDIF (optical)

1
0

Ethernet (RJ45)

1
0

MHL

RS-232

1
0

12V trigger

1
0

USB

3
0

USB (service)

1
1

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

20.9 - 32.6
21.86 - 24

Lens shift, %

vertical +/- 10

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

39.1 x 12.9 x 28,1/15.4 x 5.1 x 11.1
32 x 11 x 25/12.5 x 4.3 x 9.8

Weight, kg/pounds

5.3/11.7
2.8/6.2

Other

Release year

2018
2018
Optoma UHD51ALV
Optoma HD27HDR
Optoma UHD51ALV
Optoma HD27HDR

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 9.6
  • 8
  • 9.6Optoma UHD51ALV
  • 8Optoma HD27HDR

Optoma UHD51ALV competitors

Optoma HD27HDR competitors