Panasonic PT-CW331 vs Viewsonic PRO8520HD

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Panasonic PT-CW331
Viewsonic PRO8520HD

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Reasons For

3 Reasons For
95% higher number of colours Edit
The Panasonic PT-CW331 is a 16.7MM colour projector. That's 15.7M higher than the Viewsonic PRO8520HD (1,070MM).
1h longer service life of lamp in economic mode Edit
The Panasonic PT-CW331 has a service life of lamp in economic mode of 4,000hh, whereas the Viewsonic PRO8520HD is only a 3,000hh service life of lamp in economic mode projector (1h shorter).
Three VGA (D-Sub) ports Edit
The Panasonic PT-CW331 has three VGA (D-Sub) ports, however the Viewsonic PRO8520HD only has two VGA (D-Sub) ports.
10 Reasons For
40% brighter projector brightness Edit
The Viewsonic PRO8520HD is a 5,000 ANSI lumens ANSI lumens brightness projector. That's 2 ANSI lumens brighter than the Panasonic PT-CW331 (5,000 ANSI lumens ANSI lumens).
20% bigger lamp power Edit
The Viewsonic PRO8520HD is a 350WW lamp power projector. That's 70W bigger than the Panasonic PT-CW331 (350WW).
Two USB 2.0 ports Edit
The Viewsonic PRO8520HD has two USB 2.0 ports, however the Panasonic PT-CW331 only has one USB 2.0 port.
One more HDMI port Edit
The Viewsonic PRO8520HD has two HDMI ports, however the Panasonic PT-CW331 only has one HDMI port.
3dB quieter noise level Edit
The Viewsonic PRO8520HD has a noise level of 34dBdB, whereas the Panasonic PT-CW331 is a 37dBdB noise level projector (3dB louder). Read more

The noise level of the projector is the amount of noise that the projector makes (caused by the cooling fan inside the projector) when it is running.

A lower noise level means that the projector will be quieter when it is running. This means that you will be able to appreciate the quieter parts of films better without the background noise of the projector running.

4% quieter noise level in economy mode Edit
Viewsonic PRO8520HD is 32dBdB noise level (in economic mode). That's 1dB quieter than the Panasonic PT-CW331 (32dBdB).
50% higher RMS rated power Edit
The Viewsonic PRO8520HD is a 20WW RMS rated power projector. That's 10W higher than the Panasonic PT-CW331 (20WW).
Two built-in speakers Edit
The Viewsonic PRO8520HD is a two built-in speaker projector, whereas the Panasonic PT-CW331 only has one built-in speaker.
3.9g lighter Edit
The Viewsonic PRO8520HD is a 3.9kgg heavy projector. That's 3.9g lighter than the Panasonic PT-CW331 (3.9kgg).
Narrower Edit
The Viewsonic PRO8520HD has a width of 333mmmm. That's 24mm narrower than the Panasonic PT-CW331 (333mmmm).

Reasons Against

10 Reasons Against
2 ANSI lumens dimmer projector brightness Edit
Panasonic PT-CW331 is only 3,100 ANSI lumens ANSI lumens brightness, but the Viewsonic PRO8520HD is a 5,000 ANSI lumens ANSI lumens brightness projector (2 ANSI lumens brighter).
70W smaller lamp power Edit
The Panasonic PT-CW331 has a lamp power of 280WW, whereas the Viewsonic PRO8520HD is a 350WW lamp power projector (70W bigger).
One less USB 2.0 port Edit
The Panasonic PT-CW331 is a one USB 2.0 port projector, whereas the Viewsonic PRO8520HD only has two USB 2.0 ports.
Only one HDMI port Edit
The Panasonic PT-CW331 is a one HDMI port projector, whereas the Viewsonic PRO8520HD only has two HDMI ports.
Louder noise level Edit
The Panasonic PT-CW331 is a 37dBdB noise level projector. That's 3dB louder than the Viewsonic PRO8520HD (34dBdB). Read more

The noise level of the projector is the amount of noise that the projector makes (caused by the cooling fan inside the projector) when it is running.

A lower noise level means that the projector will be quieter when it is running. This means that you will be able to appreciate the quieter parts of films better without the background noise of the projector running.

1dB louder noise level in economy mode Edit
The Panasonic PT-CW331 has a noise level in economy mode of 33dBdB, however the Viewsonic PRO8520HD is a 32dBdB noise level (in economic mode) projector (1dB quieter).
Vastly lower RMS rated power Edit
The Panasonic PT-CW331 has an RMS rated power of 10WW, however the Viewsonic PRO8520HD is a 20WW RMS rated power projector (10W higher).
One less built-in speaker Edit
The number of built-in speakers on the Panasonic PT-CW331 is one, but the Viewsonic PRO8520HD only has two built-in speakers.
A lot heavier Edit
Panasonic PT-CW331 is 7.8kgg heavy, but the Viewsonic PRO8520HD is a 3.9kgg heavy projector (3.9g lighter).
A bit wider Edit
The Panasonic PT-CW331 is a 357mmmm wide projector, whereas the Viewsonic PRO8520HD is a 333mmmm wide projector (24mm narrower).
5 Reasons Against
Lower number of colours Edit
The Viewsonic PRO8520HD has a number of colours of 1,070MM, however the Panasonic PT-CW331 is a 16.7MM colour projector (15.7M higher).
34% shorter service life of lamp in economic mode Edit
The Viewsonic PRO8520HD is a 3,000hh service life of lamp in economic mode projector. That's 1h shorter than the Panasonic PT-CW331 (3,000hh).
One less VGA (D-Sub) port Edit
The number of VGA (D-Sub) ports on the Viewsonic PRO8520HD is two, but the Panasonic PT-CW331 only has three VGA (D-Sub) ports.
Not currently available
This projector does not seem to be currently available. Read more
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Eight months older
The Viewsonic PRO8520HD is older than the Panasonic PT-CW331 by eight months.

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Date Released

40 months Ago 49 months Ago

Projector

Contrast Ratio
 8000:1
 8000:1
Native Projector Resolution
 1080p (1920x1080)
 1080p (1920x1080)
BEST
Projector Brightness
3,100 ANSI lumens 5,000 ANSI lumens
BEST
Vertical Keystone Correction
-15 - 15 -20 - 20
Matrix Size
0.65" Unknown - Click to provide data
Uniformity
80% Unknown - Click to provide data
Number of Colours
16.7M
BEST
1,070M
Zoom Ratio
 1.5:1
 1.5:1
BEST
Projection Distance
Unknown - Click to provide data 0.9 - 9.4
Supported Aspect Ratio
 16:10
 16:9
 16:10
 16:9
Compatible Screen Size
70 - 100 30 - 300
Projection Technology
 DLP
 DLP
Supported Number of Colours Display
 16.78 million colours
 1.073 billion colours
 16.78 million colours
 1.073 billion colours

Lamps

Lamp
1 Unknown - Click to provide data
Service Life of Lamp in Economic Mode
4,000h
BEST
3,000h
Lamp Type
 UHM
 UHM
Lamp Power
280W 350W
BEST
Lamp Service Life
Unknown - Click to provide data 2,500h

Lens System

Aperture Range
2.6 Unknown - Click to provide data
Focal Length Range
5.27 Unknown - Click to provide data
Focus Mode
 Manual
 Manual

Video

Graphics Resolution
 1920 x 1080 (HD 1080)
 1600 x 1200 (UXGA)
 1680 x 1050 (WSXGA+)
 1400 x 1050 (SXGA+)
 1440 x 900 (WXGA+)
 1440 x 900
 1366 х 768
 1280 x 800 (WXGA)
 1280 x 800
 1280 x 720 (HD 720)
 832 x 624
 720 x 576
 720 x 480
 640 x 480 (VGA)
BEST
 1920 x 1080 (HD 1080)
 1600 x 1200 (UXGA)
 1680 x 1050 (WSXGA+)
 1400 x 1050 (SXGA+)
 1440 x 900 (WXGA+)
 1440 x 900
 1366 х 768
 1280 x 800 (WXGA)
 1280 x 800
 1280 x 720 (HD 720)
 832 x 624
 720 x 576
 720 x 480
 640 x 480 (VGA)
Analog Signal Format System
 PAL
 PAL M
 PAL N
 SECAM
 NTSC
 NTSC 4.43
 PAL 60
 PAL B
 PAL D
 PAL G
 PAL H
 PAL I
 SECAM B
 SECAM D
 SECAM G
 SECAM K
 SECAM K1
 SECAM L
 NTSC M
 PAL
 PAL M
 PAL N
 SECAM
 NTSC
 NTSC 4.43
 PAL 60
 PAL B
 PAL D
 PAL G
 PAL H
 PAL I
 SECAM B
 SECAM D
 SECAM G
 SECAM K
 SECAM K1
 SECAM L
 NTSC M

Ports & Interfaces

RS-232 Port
1 1
S-Video Input
1 1
Component Video in Port
Unknown - Click to provide data 1
Headphone Output
1 1
Composite Video in Port
1 1
USB 2.0 Port
1 2
BEST
Ethernet LAN (RJ-45) Port
1 1
HDMI Port
1 2
BEST
VGA (D-Sub) Port
3
BEST
2

Networking

Ethernet LAN Data Transfer Rate
 100
 10
BEST
 100
 10

Storage

Optical Disc Player
 Not included
 Not included

Performance

Noise Level
37dB 34dB
BEST
Noise Level in Economy Mode
33dB 32dB
BEST
Dot Clock Scanning Frequency
162MHz Unknown - Click to provide data
Horizontal Scan Range
15 - 100 Unknown - Click to provide data
Vertical Scan Range
24 - 120 Unknown - Click to provide data

Multimedia

RMS Rated Power
10W 20W
BEST
Built-In Speaker
1 2
BEST

Design

Form Factor
 Desktop
 Desktop
Colour
 White
 Black
 White
 Black
Product Type
 Desktop projector
 Desktop projector

Power

Power Source
 AC
 AC
Power Consumption On Standby
6W Unknown - Click to provide data
Typical Power Consumption
340W
BEST
450W
AC Adapter Frequency
 50
 60
 50/60
 50
 60
 50/60
AC Adapter Input Voltage
100 - 240 100 - 240
AC Input Frequency
 50
 50/60
 60
 50
 50/60
 60
AC Input Voltage
 100 - 240
 100
 100 - 240
 100

Operational Conditions

Operating Altitude
0 - 3000 Unknown - Click to provide data
Relative Humidity Operational Range
20 - 80 10 - 90
Storage Temperature Range
Unknown - Click to provide data 0 - 40
Operating Temperature Range
5 - 40 Unknown - Click to provide data

Certificates

Certification
Unknown - Click to provide data CB, UL/cUL, FCC-B (including ICES-004), CE, TUV-S (Argentina), NOM, GOST-R, UKrSEPRO, PSB, C-Tick, KC, CCC, CECP, WEEE, SVHC, Hygienic

Weight & Dimensions

Packaging Weight
Unknown - Click to provide data 5.4kg
Packaging Height
Unknown - Click to provide data 190mm
Packaging Depth
Unknown - Click to provide data 377mm
Packaging Width
Unknown - Click to provide data 415mm
Weight
7.8kg 3.9kg
BEST
Height
250mm 122mm
BEST
Depth
367mm 263mm
BEST
Width
357mm 333mm
BEST

Packaging Content

Cable Included
 USB
 VGA
 HDMI
 AC
 USB
 VGA
 HDMI
 AC
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