Acer K138ST vs Asus P3B

(19)
Acer K138ST
Asus P3B

Top Prices

Newegg UK
Checked 1 day ago
PCNation-Outlet
Checked 2 days ago
Delivery unknown
Pricebreak Outlet
Checked 2 days ago
Delivery unknown
Newegg UK
Checked 1 day ago
Newegg US
Checked 2 days ago
Delivery unknown
Antonline
Checked 2 days ago
Delivery unknown

Reasons For

4 Reasons For
3D Edit
The Acer K138ST supports 3D, but the Asus P3B does not. 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.

34% higher RMS rated power Edit
The Acer K138ST is a 3W RMS rated power projector. That's 1W higher than the Asus P3B (2W).
Two number of built-in speakerss Edit
The Acer K138ST has two number of built-in speakerss, however the Asus P3B only has one number of built-in speakers.
$40 cheaper
The Acer K138ST costs $40 less than the Asus P3B.
6 Reasons For
10,000h longer service life of lamp Edit
The Asus P3B has a service life of lamp of 30,000h, however the Acer K138ST is only a 20,000h lamp service life projector (10,000h shorter).
Two more USB 2.0 ports quantitys Edit
The Asus P3B is a three USB 2.0 ports quantity projector, whereas the Acer K138ST only has one USB 2.0 ports quantity.
Quieter noise level Edit
The Asus P3B is a 32dB noise level projector. That's 1dB quieter than the Acer K138ST (32dB). 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.

2 shops are selling it
The more shops stock the product, the greater competition amongst shops to keep prices low.
$0.83 cheaper to run
Over five years the Asus P3B is $0.83 cheaper to run than the Acer K138ST. Read more
Hugely better user reviews
The average user review score of the Asus P3B is 83% based on 14 reviews, but the average rating of the Acer K138ST is 20% (based on 1 review).

Reasons Against

7 Reasons Against
50% shorter service life of lamp Edit
The Acer K138ST is a 20,000h lamp service life projector. That's 10,000h shorter than the Asus P3B (30,000h).
Only one USB 2.0 ports quantity Edit
The number of USB 2.0 ports quantitys on the Acer K138ST is one, but the Asus P3B only has three USB 2.0 ports quantitys.
1dB louder noise level Edit
The Acer K138ST has a noise level of 33dB, however the Asus P3B is a 32dB noise level projector (1dB quieter). 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.

Less retailers
Only 6 shops sells the Acer K138ST, whereas 8 stores sell the Asus P3B. Read more
Smaller numbers of retailers reduces the price competition amongst retailers for this projector and also reduces the chances of the product remaining in stock.
Five months older
The Acer K138ST is older than the Asus P3B by five months.
5% higher running costs over five years
Over five years the Acer K138ST costs $19.05 to run which is $0.83 more to run than the Asus P3B. Show assumptions.
Vastly Lower user review Score
The Acer K138ST's average user rating is only 20%, however the Asus P3B's is 83% (based on 14 reviews).
4 Reasons Against
Does not support 3D Edit
The Asus P3B does not support 3D, however the Acer K138ST does. 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.

1W lower RMS rated power Edit
The Asus P3B has an RMS rated power of 2W, however the Acer K138ST is a 3W RMS rated power projector (1W higher).
One less number of built-in speakers Edit
The number of number of built-in speakerss on the Asus P3B is one, but the Acer K138ST only has two number of built-in speakerss.
More expensive by $40
The Asus P3B is $40 more expensive than the Acer K138ST.

Awards

No awards found 2 Awards
profesionalreview.com: Gold
vido.com.ua: Recommended

Average Expert Rating

Average User Rating

Date Released

20 months Ago 16 months Ago

Running Costs Over 5 Years

Electricity cost - switched on $ 19.05
Electricity cost - standby $ -
Total running cost $ 19.05
Purchase price $ 431.99
Total cost of ownership $ 451.04
Details
Electricity cost - switched on $ 15.48
Electricity cost - standby $ 2.74
Total running cost $ 18.22
Purchase price $ 471.99
Total cost of ownership $ 490.21
Details

Energy Efficiency Class

No data No data

Environmental Impact

0.13T
Running this projector over 5 years will generate 0.13 tonnes of carbon dioxide (CO2).
3
To offset that much CO2 you would need to plant and grow them for 10 years.
0.12T
Running this projector over 5 years will generate 0.12 tonnes of carbon dioxide (CO2).
3
To offset that much CO2 you would need to plant and grow them for 10 years.

Projector

Contrast Ratio (typical)
 100000:1
 100000:1
Projector Native Resolution
 WXGA (1280x800)
 WXGA (1280x800)
Projector Brightness
800 ANSI lumens 800 ANSI lumens
Maximum Digital Resolution
 1920 x 1080
BEST
 1920 x 1080
Keystone Correction, Vertical
-20 - 20 Unknown - Click to provide data
Matrix Size
Unknown - Click to provide data 0.45"
Vertical Synchronization (min)
0.05kHz Unknown - Click to provide data
Horizontal Synchronization (max)
100kHz Unknown - Click to provide data
Vertical Synchronization (max)
0.12kHz Unknown - Click to provide data
Horizontal Synchronization (min)
30kHz Unknown - Click to provide data
Zoom Ratio
 Fixed
 Fixed
Projection Distance
0.4 - 1.7 0.45 - 3.4
Supported Aspect Ratios
 16:10
 16:9
 4:3
 16:10
 16:9
 4:3
Screen Size Compatibility
25 - 100 25 - 200
Projection Technology
 DLP
 DLP
Number of Colours
 1.073 billion colours
 16.78 million colours
 1.073 billion colours
 16.78 million colours

Lamps

Lamps Quantity
1 Unknown - Click to provide data
Service Life of Lamp (economic Mode)
30,000h Unknown - Click to provide data
Lamp Type
 LED
 LED
Service Life of Lamp
20,000h 30,000h
BEST

Lens System

Throw Ratio
 0.8:1
 0.8:1
Digital Zoom
1.7x Unknown - Click to provide data
Focus
 Manual
 Manual

Video

3D
 3D
BEST
 3D
Full HD
 Full HD
 Full HD
3D-Ready
 3D-ready
Unknown - Click to provide data
Analog Signal Format System
 NTSC
 NTSC

Ports & Interfaces

DVI Port
Unknown - Click to provide data
 DVI port
Headphone Outputs
Unknown - Click to provide data 1
USB Connector Type
 USB Type-A
 USB Type-A
USB 2.0 Ports Quantity
1 3
BEST
HDMI Ports Quantity
1 1
VGA (D-Sub) Ports Quantity
1 1
AC (power) in
 AC (power) in
Unknown - Click to provide data

Networking

Ethernet LAN
 Ethernet LAN
 Ethernet LAN

Storage

Compatible Memory Cards
 SD
 MicroSD (TransFlash)
 SD
 MicroSD (TransFlash)
Card Reader Integrated
Unknown - Click to provide data
 Card reader integrated
Internal Storage Capacity
Unknown - Click to provide data 2GB

Performance

Noise Level
33dB 32dB
BEST
Mac Operating Systems Supported
 Mac operating systems supported
Unknown - Click to provide data
Windows Operating Systems Supported
 Windows operating systems supported
Unknown - Click to provide data
Noise Level (economic Mode)
29dB Unknown - Click to provide data
Vertical Scan Range
50 - 120 Unknown - Click to provide data
Plug and Play
 Plug and Play
Unknown - Click to provide data
Preset Modes
 sRGB
 Dynamic
 Standard
 Theatre
 sRGB
 Dynamic
 Standard
 Theatre
BEST

Multimedia

Built-In Speaker(s)
 Built-in speaker(s)
 Built-in speaker(s)
Audio Formats Supported
Unknown - Click to provide data AAC,APE,FLAC,MP1,MP2,MP3,OGG,WAV,WMA
Image Formats Supported
 JPG
 PNG
 BMP
 JPEG XR
 JPG
 PNG
 BMP
 JPEG XR
BEST
Video Formats Supported
 MP4
 WMV
 AVI
 FLV
 ASF
 3GP
 MOV
 MPG
 MKV
 VOB
 DAT
 M4V
 TS
 3G2
 MP4
 WMV
 AVI
 FLV
 ASF
 3GP
 MOV
 MPG
 MKV
 VOB
 DAT
 M4V
 TS
 3G2
BEST
RMS Rated Power
3W
BEST
2W
Number of Built-In Speakers
2
BEST
1
Document Formats Supported
 PDF
 TXT
 PDF
 TXT

Design

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

Display

Built-In Display
 Built-in display
 Built-in display

Power

Power Source
 AC
 Battery
 AC
 Battery
Power Consumption (standby)
Unknown - Click to provide data 0.5W
Power Consumption (typical)
80W 65W
BEST
Power Consumption (economy Mode)
38W Unknown - Click to provide data
Power Consumption (PowerSave)
38W Unknown - Click to provide data
AC Input Voltage
 100 - 240
 100
 100 - 240
 100

Battery

Battery Life (max)
Unknown - Click to provide data 1.5h
Battery Capacity
Unknown - Click to provide data 12,000mAh

Operational Conditions

Operating Relative Humidity (H-H)
0 - 80 20 - 90
Operating Temperature (T-T)
5 - 40 0 - 40

Certificates

Certification
Unknown - Click to provide data FCC, UL, CE, CB, CCC, CU, VCCI, PSE, RCM, TUV-GS

Weight & Dimensions

Package Weight
Unknown - Click to provide data 1.8kg
Package Height
Unknown - Click to provide data 80mm
Package Depth
Unknown - Click to provide data 255mm
Package Width
Unknown - Click to provide data 298mm
Weight
750g 750g
Height
Unknown - Click to provide data 43mm
Depth
Unknown - Click to provide data 131.2mm
Width
Unknown - Click to provide data 153.5mm

Packaging Content

Carrying Case
 Carrying case
 Carrying case
Manual
 Manual
Unknown - Click to provide data
User Guide
 User guide
Unknown - Click to provide data
Handheld Remote Control
 Handheld remote control
 Handheld remote control
Batteries Included
 Batteries included
 Batteries included
Quick Start Guide
 Quick start guide
 Quick start guide
Warranty Card
Unknown - Click to provide data
 Warranty card
AC Adapter Included
 AC adapter included
 AC adapter included
Cables Included
 HDMI
 HDMI
BEST
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