Panasonic PT-CW331 vs Viewsonic PRO8520HD

(5)
Panasonic PT-CW331
Viewsonic PRO8520HD

Top Prices

Factory Outlet Store
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Amazon US
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Amazon US
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Reasons For

4 Reasons For
1,000h longer service life of lamp (economic mode) Edit
The Panasonic PT-CW331 is a 4,000h service life of lamp in economic mode projector, whereas the Viewsonic PRO8520HD is only a 3,000h service life of lamp in economic mode projector (1,000h shorter).
3D Edit
The Panasonic PT-CW331 supports 3D, whereas the Viewsonic PRO8520HD does not support 3D. Read more

3D compatible projectors are able to display 3D content. Most projectors will require you to wear special glasses in order to view the 3D effect.

A 3D projector allows you to view the huge range of 3D films and content that is now available.

Three VGA (D-Sub) ports quantitys Edit
The Panasonic PT-CW331 has three VGA (D-Sub) ports quantitys, however the Viewsonic PRO8520HD only has two VGA (D-Sub) ports quantitys.
Cheaper by $2,289
The Panasonic PT-CW331 costs $1,637.95, whereas the Viewsonic PRO8520HD is $3,927.28.
11 Reasons For
38% brighter projector brightness Edit
The Viewsonic PRO8520HD is a 5,000 ANSI lumens brightness projector. That's 1,900 ANSI lumens brighter than the Panasonic PT-CW331 (5,000 ANSI lumens).
20% bigger bulb power Edit
The Viewsonic PRO8520HD has a bulb power of 350W. That's 70W bigger than the Panasonic PT-CW331 (350W).
Full HD Edit
The Viewsonic PRO8520HD supports full HD, but the Panasonic PT-CW331 does not. Read more

Full HD projectors can display full HD content such as films and HD TV.

Full HD projectors can display full HD content such as films and HD TV.

Two USB 2.0 ports quantitys Edit
The Viewsonic PRO8520HD has two USB 2.0 ports quantitys, however the Panasonic PT-CW331 only has one USB 2.0 ports quantity.
One more HDMI ports quantity Edit
The Viewsonic PRO8520HD has two HDMI ports quantitys, however the Panasonic PT-CW331 only has one HDMI ports quantity.
3dB quieter noise level Edit
The Viewsonic PRO8520HD has a noise level of 34dB, whereas the Panasonic PT-CW331 is a 37dB 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 (economic mode) Edit
Viewsonic PRO8520HD is 32dB noise level (in economic mode). That's 1dB quieter than the Panasonic PT-CW331 (32dB).
50% higher RMS rated power Edit
The Viewsonic PRO8520HD is a 20W RMS rated power projector. That's 10W higher than the Panasonic PT-CW331 (20W).
Two number of built-in speakerss Edit
The Viewsonic PRO8520HD is a two number of built-in speakers projector, whereas the Panasonic PT-CW331 only has one number of built-in speakers.
3.9kg lighter Edit
The Viewsonic PRO8520HD is a 3.9kg heavy projector. That's 3.9kg lighter than the Panasonic PT-CW331 (3.9kg).
Cheaper to run by $6.67
The Viewsonic PRO8520HD is $6.67 cheaper to run than the Panasonic PT-CW331 over five years. Read more

Reasons Against

11 Reasons Against
1,900 ANSI lumens dimmer projector brightness Edit
Panasonic PT-CW331 is only 3,100 ANSI lumens brightness, but the Viewsonic PRO8520HD is a 5,000 ANSI lumens brightness projector (1,900 ANSI lumens brighter).
70W smaller bulb power Edit
The Panasonic PT-CW331 is a 280W lamp power projector, whereas the Viewsonic PRO8520HD is a 350W lamp power projector (70W bigger).
Does not support full HD Edit
The Panasonic PT-CW331 does not support full HD, but the Viewsonic PRO8520HD does. Read more

Full HD projectors can display full HD content such as films and HD TV.

Full HD projectors can display full HD content such as films and HD TV.

One less USB 2.0 ports quantity Edit
The Panasonic PT-CW331 is a one USB 2.0 ports quantity projector, whereas the Viewsonic PRO8520HD only has two USB 2.0 ports quantitys.
Only one HDMI ports quantity Edit
The Panasonic PT-CW331 is a one HDMI ports quantity projector, whereas the Viewsonic PRO8520HD only has two HDMI ports quantitys.
Louder noise level Edit
The Panasonic PT-CW331 is a 37dB noise level projector. That's 3dB louder than the Viewsonic PRO8520HD (34dB). 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 (economic mode) Edit
The Panasonic PT-CW331 has a noise level (economic mode) of 33dB, however the Viewsonic PRO8520HD is a 32dB noise level (in economic mode) projector (1dB quieter).
Vastly lower RMS rated power Edit
The Panasonic PT-CW331 has an RMS rated power of 10W, however the Viewsonic PRO8520HD is a 20W RMS rated power projector (10W higher).
One less number of built-in speakers Edit
The number of number of built-in speakerss on the Panasonic PT-CW331 is one, but the Viewsonic PRO8520HD only has two number of built-in speakerss.
A lot heavier Edit
Panasonic PT-CW331 is 7.8kg heavy, but the Viewsonic PRO8520HD is a 3.9kg heavy projector (3.9kg lighter).
Higher running costs over five years by $6.67
Over five years the Panasonic PT-CW331 costs $113.85 to run which is $6.67 more to run than the Viewsonic PRO8520HD. Show assumptions.
5 Reasons Against
34% shorter service life of lamp (economic mode) Edit
The Viewsonic PRO8520HD has a service life of lamp (economic mode) of 3,000h. That's 1,000h shorter than the Panasonic PT-CW331 (3,000h).
Does not support 3D Edit
The Viewsonic PRO8520HD does not support 3D, but the Panasonic PT-CW331 supports 3D. Read more

3D compatible projectors are able to display 3D content. Most projectors will require you to wear special glasses in order to view the 3D effect.

A 3D projector allows you to view the huge range of 3D films and content that is now available.

One less VGA (D-Sub) ports quantity Edit
The number of VGA (D-Sub) ports quantitys on the Viewsonic PRO8520HD is two, but the Panasonic PT-CW331 only has three VGA (D-Sub) ports quantitys.
$2,289 more expensive
The Viewsonic PRO8520HD is more expensive than the Panasonic PT-CW331 by $2,289.33.
Eight months older
The Viewsonic PRO8520HD is older than the Panasonic PT-CW331 by eight months.

Awards

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projectorcentral.com: Highly Rated

Average Expert Rating

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Average User Rating

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Date Released

42 months Ago 50 months Ago

Running Costs Over 5 Years

Electricity cost - switched on $ 80.98
Electricity cost - standby $ 32.87
Total running cost $ 113.85
Purchase price $ 1,637.95
Total cost of ownership $ 1,751.80
Details
Electricity cost - switched on $ 107.18
Electricity cost - standby $ -
Total running cost $ 107.18
Purchase price $ 3,927.28
Total cost of ownership $ 4,034.46
Details

Energy Efficiency Class

No data No data

Environmental Impact

0.76T
Running this projector over 5 years will generate 0.76 tonnes of carbon dioxide (CO2).
19
To offset that much CO2 you would need to plant and grow them for 10 years.
0.72T
Running this projector over 5 years will generate 0.72 tonnes of carbon dioxide (CO2).
18
To offset that much CO2 you would need to plant and grow them for 10 years.

Projector

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

Lamps

Lamps Quantity
1 Unknown - Click to provide data
Service Life of Lamp (economic Mode)
4,000h
BEST
3,000h
Lamp Type
 UHM
 UHM
Bulb Power
280W 350W
BEST
Service Life of Lamp
Unknown - Click to provide data 2,500h

Lens System

Aperture Range (F-F)
2.6 Unknown - Click to provide data
Focal Length Range (f-F)
5.27 Unknown - Click to provide data
Focus
 Manual
 Manual

Video

3D
 3D
BEST
 3D
Supported Graphics Resolutions
 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)
Full HD
 Full HD
 Full HD
BEST
3D-Ready
 3D-ready
Unknown - Click to provide data
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 Ports
1 1
DVI Port
 DVI port
Unknown - Click to provide data
S-Video Inputs Quantity
1 1
Component Video (YPbPr/YCbCr) in
Unknown - Click to provide data 1
PC Audio in
 PC Audio in
Unknown - Click to provide data
Microphone in
Unknown - Click to provide data
 Microphone in
Headphone Outputs
1 1
Composite Video in
1 1
USB 2.0 Ports Quantity
1 2
BEST
Ethernet LAN (RJ-45) Ports
1 1
HDMI Ports Quantity
1 2
BEST
VGA (D-Sub) Ports Quantity
3
BEST
2

Networking

Wi-Fi
 Wi-Fi
 Wi-Fi
Ethernet LAN Data Rates
 100
 10
BEST
 100
 10
Ethernet LAN
 Ethernet LAN
 Ethernet LAN

Storage

Optical Disc Player Type
 Not included
 Not included
Card Reader Integrated
 Card reader integrated
 Card reader integrated

Performance

Noise Level
37dB 34dB
BEST
Noise Level (economic 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
On Screen Display (OSD)
Unknown - Click to provide data
 On Screen Display (OSD)
HDCP
 HDCP
Unknown - Click to provide data

Multimedia

Built-In Speaker(s)
 Built-in speaker(s)
 Built-in speaker(s)
RMS Rated Power
10W 20W
BEST
Number of Built-In Speakers
1 2
BEST

Design

Ceiling Mountable
 Ceiling mountable
Unknown - Click to provide data
Colour of Product
 White
 Black
 White
 Black
Product Type
 Desktop projector
 Desktop projector

Display

Built-In Display
Unknown - Click to provide data
 Built-in display

Power

Power Source
 AC
 AC
Power Consumption (standby)
6W Unknown - Click to provide data
Power Consumption (typical)
340W
BEST
450W
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
 100 - 240
 100
 100 - 240
 100

Operational Conditions

Operating Altitude
0 - 3000 Unknown - Click to provide data
Operating Relative Humidity (H-H)
20 - 80 10 - 90
Storage Temperature (T-T)
Unknown - Click to provide data 0 - 40
Operating Temperature (T-T)
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
RoHS Compliance
Unknown - Click to provide data
 RoHS compliance

Weight & Dimensions

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

Packaging Content

Handheld Remote Control
 Handheld remote control
 Handheld remote control
Batteries Included
 Batteries included
Unknown - Click to provide data
Cables Included
 USB
 VGA
 HDMI
 AC
 USB
 VGA
 HDMI
 AC
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