Optoma UHD51A vs Optoma HD27

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Rating 5 5

Common

Product

Optoma UHD51A
Optoma HD27

Model

UHD51A
HD27

Brand

Optoma
Optoma

Rating

3.8 of 5
3.8 of 5

Reviews

74
368

Resolution

Native resolution

3840 x 2160
1920 x 1080

Max resolution (resized)

3840 x 2160
1920 x 1200

Resolution abbreviation

4K
Full HD

Properties

Projection screen size, inch

30 - 300
30 - 300

Projection distance, m/ft

1 - 8.1/3.4 - 26.4
0.9 - 9.8/1.8 - 29.5

Aspect ratio

16:9
16:9

Brightness, lumens

2400
3200

Contrast ratio

500000:1
25000:1

Throw ratio range

1.21:1 - 1.59:1
1.48 - 1.6

Color reproduction

1.07 billion
1073.4 million

Pixel number

8294400
1024000

Projection system

DLP
DLP

Noise level, dBA

28
26

Input lag, ms

16

Power consumption, W

317
260

Lamp

Lamp type, W

240
195

Lamp life (normal mode), hours

4000
5000

Lamp life (eco mode), hours

15000
6000

Features

Remote control

Mouse functions

HDR

3D

Security

Kensington lock, password protection
Kensington lock, password protection

Projection method

front, rear, ceiling mount, tabletop
front, rear, ceiling mount, tabletop

Audio

Integrated speakers

Speaker power, W

10
10

Sound type

stereo
mono

Connectivity

HDMI

2
2

VGA input

1
1

Composite video input (RCA)

1

Audio input (RCA)

1
1

Audio input (3.5mm)

1

Audio output (3.5mm)

1
1

SPDIF (optical)

Ethernet (RJ45)

1

MHL

RS232 (DB-9pin)

1

12V trigger

1
1

USB

3
1

USB (service)

1

Video compatibility

NTSC

PAL

SECAM

Lens

F-number

2.5 - 3.26
2.5 - 2.67

Focal length, mm

20.91 - 32.62
21.88 - 24

Lens shift

vertical +/- 15%

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

39.2 x 28.1 x 12.9/15.4 x 11.1 x 5.1
22.86 x 29.72 x 9.40/9 x 11.7 x 3.7

Weight, kg/pounds

6.5/11.7
2.49/5.5
Optoma UHD51A
Optoma HD27
Optoma UHD51A
Optoma HD27

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 12.3
  • 10
  • 12.3Optoma UHD51A
  • 10Optoma HD27

The Optoma UHD51A is better home theater projector in this comparison. Check Optoma UHD51A price

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