Optoma HD28DSE vs Viewsonic PJD7720HD

(13)
(33)
Optoma HD28DSE
Viewsonic PJD7720HD

Top Prices

eBay
Checked 1 day ago
Currys
Checked 4 hours ago
FREE Standard delivery
In stock (10 available)
PC World
Checked 2 hours ago
FREE Standard delivery
In stock (20 available)
Richer Sounds
Checked 8 hours ago
Out of stock
Ebuyer
Checked 14 hours ago
Standard delivery: £4.19
In stock, only 4 left!
Amazon UK
Checked 6 hours ago
FREE Standard delivery
In stock
BT Business Direct
Checked 15 hours ago
Standard delivery: £6.00
In stock
Just Projectors
Checked 9 hours ago
Delivery unknown
In stock

Reasons For

6 Reasons For
A lot longer service life of lamp Edit
The Optoma HD28DSE has a service life of lamp of 6,000h, however the Viewsonic PJD7720HD is only a 4,000h lamp service life projector (2,000h shorter).
Two HDMI ports quantitys Edit
The Optoma HD28DSE is a two HDMI ports quantity projector, whereas the Viewsonic PJD7720HD only has one HDMI ports quantity.
Moderately quieter noise level (economic mode) Edit
The Optoma HD28DSE has a noise level (economic mode) of 28dB, however the Viewsonic PJD7720HD is a 30dB noise level (in economic mode) projector (2dB louder).
2 shops are selling it
The more sellers stock the product, the greater competition amongst sellers to keep prices low.
Two more awards
The Optoma HD28DSE has 3 awards from expert review sites, however the Viewsonic PJD7720HD has 1 award.
A bit better user reviews
Based on 3 user reviews, the average review score of the Optoma HD28DSE is 100%, but the average rating of the Viewsonic PJD7720HD is 96% (based on 32 reviews).
7 Reasons For
200 ANSI lumens brighter projector brightness Edit
The Viewsonic PJD7720HD is a 3,200 ANSI lumens brightness projector, whereas the Optoma HD28DSE is only a 3,000 ANSI lumens brightness projector (200 ANSI lumens dimmer).
6,000h longer service life of lamp (economic mode) Edit
The Viewsonic PJD7720HD has a service life of lamp (economic mode) of 10,000h, however the Optoma HD28DSE is only a 4,000h service life of lamp in economic mode projector (6,000h shorter).
A lot bigger digital zoom Edit
The Viewsonic PJD7720HD has a digital zoom of 2x, whereas the Optoma HD28DSE is only a 1.1x digital zoom projector (0.9x smaller).
Marginally lighter Edit
The Viewsonic PJD7720HD is a 2.4kg heavy projector, whereas the Optoma HD28DSE is a 2.6kg heavy projector (180g heavier).
Cheaper by £80
The Viewsonic PJD7720HD is £80.34 cheaper than the Optoma HD28DSE.
Better selling
The Viewsonic PJD7720HD ranks No. 48876 by number of sales, whereas the Optoma HD28DSE ranks No. 172635.
Significantly better expert reviews
The average expert review score of the Viewsonic PJD7720HD is 100% based on 1 review, whereas the average rating of the Optoma HD28DSE is 76% (based on 10 reviews).

Reasons Against

8 Reasons Against
Slightly dimmer projector brightness Edit
Optoma HD28DSE is only 3,000 ANSI lumens brightness, but the Viewsonic PJD7720HD is a 3,200 ANSI lumens brightness projector (200 ANSI lumens brighter).
2x shorter service life of lamp (economic mode) Edit
The Optoma HD28DSE is a 4,000h service life of lamp in economic mode projector, whereas the Viewsonic PJD7720HD is a 10,000h service life of lamp in economic mode projector (6,000h longer).
0.9x smaller digital zoom Edit
The Optoma HD28DSE has a digital zoom of 1.1x, but the Viewsonic PJD7720HD is a 2x digital zoom projector (0.9x bigger).
180g heavier Edit
Optoma HD28DSE is 2.6kg heavy, but the Viewsonic PJD7720HD is a 2.4kg heavy projector (180g lighter).
More expensive by £80
The Optoma HD28DSE is £80.34 more expensive than the Viewsonic PJD7720HD.
Older by four months
The Optoma HD28DSE is four months older than the Viewsonic PJD7720HD.
Less popular
The Optoma HD28DSE is a less popular choice amongst buyers. It ranks No. 172635 by number of sales in our projectors, but the Viewsonic PJD7720HD ranks No. 48876.
Expert review Rating is hugely Worse
The Optoma HD28DSE only has an average expert score of 76%, but the Viewsonic PJD7720HD has an average expert rating of 100% (based on 1 review).
6 Reasons Against
2,000h shorter service life of lamp Edit
Viewsonic PJD7720HD is only 4,000h lamp service life, but the Optoma HD28DSE is a 6,000h lamp service life projector (2,000h longer).
Only one HDMI ports quantity Edit
The Viewsonic PJD7720HD has one HDMI ports quantity, however the Optoma HD28DSE only has two HDMI ports quantitys.
2dB louder noise level (economic mode) Edit
Viewsonic PJD7720HD is 30dB noise level (in economic mode), but the Optoma HD28DSE is a 28dB noise level (in economic mode) projector (2dB quieter).
Fewer sellers
The Viewsonic PJD7720HD is only stocked by 8 stores, but the Optoma HD28DSE is stocked by 10 sellers. Read more
The fewer the number of shops that stock the product, the lower the competition amongst shops to keep prices low.
Two less awards
The Viewsonic PJD7720HD has only received 1 award, but the Optoma HD28DSE has received 3 awards.
User review Rating is a little Worse
The average user rating of the Viewsonic PJD7720HD is 96%, whereas the average user rating of the Optoma HD28DSE is 100% (based on 3 reviews).

Awards

3 Awards
benchmark.pl: Good Product
projectorcentral.com: Highly Rated
Trusted Reviews: Recommended
1 Award
lite-magazin.de: Entry Level

Average Expert Rating

Average User Rating

Date Released

14 months Ago 10 months Ago

Projector

Projector Native Resolution
 1080p (1920x1080)
 1080p (1920x1080)
Projector Brightness
3,000 ANSI lumens 3,200 ANSI lumens
BEST
Keystone Correction, Horizontal
40 Unknown - Click to provide data
Keystone Correction, Vertical
40 -40 - 40
Uniformity
80% Unknown - Click to provide data
Zoom Ratio
 1.1:1
BEST
 1.1:1
Projection Distance
1.5 - 10 Unknown - Click to provide data
Supported Aspect Ratios
 16:10
 16:9
 4:3
 16:10
 16:9
 4:3
Screen Size Compatibility
41.8 - 300 30 - 300
Projection Technology
 DLP
 DLP
Number of Colours
 1.073 billion colours
 1.073 billion colours

Lamps

Service Life of Lamp (economic Mode)
4,000h 10,000h
BEST
Bulb Power
210W Unknown - Click to provide data
Service Life of Lamp
6,000h
BEST
4,000h

Lens System

Optical Zoom
Unknown - Click to provide data 1.1x
Throw Ratio
 1.48 - 1.62:1
 1.48 - 1.62:1
Digital Zoom
1.1x 2x
BEST
Offset
116% 116%
Aperture Range (F-F)
2.5 - 2.67 Unknown - Click to provide data
Focal Length Range (f-F)
21.9 - 24 Unknown - Click to provide data

Video

3D
 3D
Unknown - Click to provide data
Supported Graphics Resolutions
 1920 x 1080 (HD 1080)
 1600 x 1200 (UXGA)
 1280 x 1024 (SXGA)
 1360 x 768 (WXGA)
 1024 x 768 (XGA)
 800 x 600 (SVGA)
 640 x 480 (VGA)
BEST
 1920 x 1080 (HD 1080)
 1600 x 1200 (UXGA)
 1280 x 1024 (SXGA)
 1360 x 768 (WXGA)
 1024 x 768 (XGA)
 800 x 600 (SVGA)
 640 x 480 (VGA)
Full HD
 Full HD
 Full HD

Ports & Interfaces

RS-232 Ports
Unknown - Click to provide data 1
PC Audio Out
 PC Audio out
Unknown - Click to provide data
Microphone in
Unknown - Click to provide data
 Microphone in
Audio (L,R) Out
Unknown - Click to provide data 1
Audio (L,R) in
Unknown - Click to provide data 1
USB Connector Type
 USB Type-A
 USB Type-A
USB 2.0 Ports Quantity
2 Unknown - Click to provide data
HDMI Ports Quantity
2
BEST
1
HDMI Connector Type
 Full-size
 Full-size
AC (power) in
 AC (power) in
 AC (power) in

Networking

Ethernet LAN
 Ethernet LAN
Unknown - Click to provide data

Performance

Noise Level
Unknown - Click to provide data 35dB
Noise Level (economic Mode)
28dB
BEST
30dB
Horizontal Scan Range
15.375 - 91.146 Unknown - Click to provide data
Vertical Scan Range
24 - 85 Unknown - Click to provide data
On Screen Display (OSD) Languages
 DAN
 DUT
 ARA
 GRE
 CZE
 THA
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 KOR
 RUM
 CHI (TR)
 CHI (SIMPL)
 VIE
 IND
 DAN
 DUT
 ARA
 GRE
 CZE
 THA
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 KOR
 RUM
 CHI (TR)
 CHI (SIMPL)
 VIE
 IND
On Screen Display (OSD)
 On Screen Display (OSD)
 On Screen Display (OSD)

Multimedia

Built-In Speaker(s)
 Built-in speaker(s)
 Built-in speaker(s)
RMS Rated Power
10W 10W
Number of Built-In Speakers
Unknown - Click to provide data 1

Design

Cable Lock Slot
 Cable lock slot
 Cable lock slot
Cable Lock Slot Type
 Kensington
 Kensington
Ceiling Mountable
Unknown - Click to provide data
 Ceiling mountable
Form Factor
 Desktop
 Desktop
Colour of Product
 White
 Black
 White
 Black
Product Type
 Portable projector
 Desktop projector
 Portable projector
 Desktop projector

Display

Display Number of Colours
 1.073 billion colours
 1.073 billion colours

Power

Power Source
 AC
 AC
Power Consumption (standby)
0.5W Unknown - Click to provide data
Power Consumption (PowerSave)
193W Unknown - Click to provide data
Power Consumption (max)
233W 330W
AC Adapter Frequency
 50
 60
 50/60
 50
 60
 50/60
AC Adapter Input Voltage
Unknown - Click to provide data 100 - 240
AC Input Frequency
 50
 50/60
 60
 50
 50/60
 60
AC Input Voltage
 220
 110 - 220
 100 - 240
 100
 220
 110 - 220
 100 - 240
 100

Battery

Battery Type
AA Unknown - Click to provide data

Operational Conditions

Operating Altitude
0 - 3000 Unknown - Click to provide data
Operating Relative Humidity (H-H)
0 - 85 Unknown - Click to provide data
Operating Temperature (T-T)
5 - 40 Unknown - Click to provide data

Certificates

RoHS Compliance
 RoHS compliance
Unknown - Click to provide data

Weight & Dimensions

Weight
2.6kg 2.4kg
BEST
Height
114mm 103.7mm
Depth
224mm 228mm
Width
315mm 316mm

Packaging Content

Remote Control Type
 IR
 IR
Handheld Remote Control
 Handheld remote control
Unknown - Click to provide data
Batteries Included
 Batteries included
Unknown - Click to provide data
Quick Start Guide
 Quick start guide
Unknown - Click to provide data
Cables Included
 AC
BEST
 AC
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