Acer K138 vs Asus P3B
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Top Prices Reasons For Reviews & Awards Date Released Key Features Energy Efficiency Price Trend Specification
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Acer K138vsAsus P3B

Acer K138

77

Overall Score

77

Overall Score

Acer K138

$529.80
Our Verdict:
A fully featured and positively reviewed moderate noise level 1280 x 800 resolution projector, with alright running costs and one of the highest contrast ratios available
84
Reviews
5 Reviews
77
Value for Money
Very Good
82
Features
Fully-Featured
69
Running Costs
$240 Over 5 Years
77
Overall Score
Very Good
33dB 1280 X 800 100000:1 Yes Oct 2015
Noise Level Projector Native Resolution Contrast Ratio 3D Release Date
Noise Level 33dB
Projector Native Resolution 1280 X 800
Contrast Ratio 100000:1
3D Yes
Release Date Oct 2015
Asus P3B

92

Overall Score

92

Overall Score

Asus P3B

$595.24
Our Verdict:
An award winning and sensationally economical to run moderate noise level 1280 x 800 resolution projector, with a remarkably low price and a staggeringly high 100000:1 contrast ratio
96
Reviews
22 Reviews + 3 Awards
95
Value for Money
Excellent
90
Features
Fully-Featured
98
Running Costs
$15 Over 5 Years
92
Overall Score
Excellent
32dB 1280 X 800 100000:1 Yes Oct 2015
Noise Level Projector Native Resolution Contrast Ratio 3D Release Date
Noise Level 32dB
Projector Native Resolution 1280 X 800
Contrast Ratio 100000:1
3D Yes
Release Date Oct 2015
Acer K138

77

Overall Score

77

Overall Score

Acer K138

$529.80
Our Verdict:
A fully featured and positively reviewed moderate noise level 1280 x 800 resolution projector, with alright running costs and one of the highest contrast ratios available
84
Reviews
5 Reviews
77
Value for Money
Very Good
82
Features
Fully-Featured
69
Running Costs
$240 Over 5 Years
77
Overall Score
Very Good
33dB 1280 X 800 100000:1 Yes Oct 2015
Noise Level Projector Native Resolution Contrast Ratio 3D Release Date
Noise Level 33dB
Projector Native Resolution 1280 X 800
Contrast Ratio 100000:1
3D Yes
Release Date Oct 2015
Asus P3B

92

Overall Score

92

Overall Score

Asus P3B

$595.24
Our Verdict:
An award winning and sensationally economical to run moderate noise level 1280 x 800 resolution projector, with a remarkably low price and a staggeringly high 100000:1 contrast ratio
96
Reviews
22 Reviews + 3 Awards
95
Value for Money
Excellent
90
Features
Fully-Featured
98
Running Costs
$15 Over 5 Years
92
Overall Score
Excellent
32dB 1280 X 800 100000:1 Yes Oct 2015
Noise Level Projector Native Resolution Contrast Ratio 3D Release Date
Noise Level 32dB
Projector Native Resolution 1280 X 800
Contrast Ratio 100000:1
3D Yes
Release Date Oct 2015

Top Prices

Acer K138 Asus P3B
Amazon US
Acer K138ST Portable WXGA LED Projector
Out of stock
$428.90
Go to Store
Amazon US
Acer Professional and Education K138ST
Out of stock
$1,204.35
Go to Store
- Show less prices from Amazon US
eBay
Acer K138ST Portable WXGA LED Projector (Brand new, unopened)
$529.80
Go to Store
eBay
Acer K138ST Portable WXGA LED Projector (Brand new, unopened)
$608.54
Go to Store
- Show less prices from eBay
4 Prices from 2 Stores | $529.80-$608.54
 Show All Prices - Show Fewer Prices
PCNation-Outlet
New Asus P3b 3d Ready Dlp Projector - 16_10 (Brand new, unopened) - on
$595.24
Go to Store
Newegg US
Asus P3B White Portable LED Projector, 1280 x 800, 100000_1, 800 ANSI Lumens, H (Brand new, unopened) - on
$599.00
Go to Store
Antonline
Asus P3B 3D Ready DLP Projector - 16_10 (Brand new, unopened) - on
$600.36
Go to Store
Target PC Inc 1-888-311-4455
NEW ASUS P3B DLP Projector Proj WXGA 1280x800 (Brand new, unopened) - on
$609.98
Go to Store
StyleTechGroup
ASUS P3B 16_10 WXGA 1280 x 800 800 lm HDMI USB 3D Ready DLP Projector (Brand new, unopened) - on
$620.61
Go to Store
eBay
ASUS P3B Portable LED Projector, 800 Lumens, WXGA (1280*800), Built-in 12000mAh (Brand new, unopened)
$961.62
Go to Store
eBay
ASUS P3B Portable LED Projector, 800 Lumens, WXGA (1280*800), Built-in 12000mAh (Brand new, unopened)
$983.15
Go to Store
- Show less prices from eBay
7 Prices from 6 Stores | $595.24-$983.15
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13% Off
{Casio XJ-V110W
$790.82
Was $907 (27 days ago)
Newegg US
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Reasons For

Acer K138 Asus P3B
2 Reasons For
$65 Cheaper
The Acer K138 costs $65.44 less than the Asus P3B.
Better Brand
Acer projectors have an average rating of 81%, whereas Asus has an average rating of 78.8%.
7 Reasons For
Quieter Noise Level
The Asus P3B is a 32dB projector. That's 1dB quieter than the Acer K138 (33dB).

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.

Read more Read less | Edit
10,000h Longer Service Life of Lamp
The Asus P3B has a service life of lamp of 30,000h, however the Acer K138 is only a 20,000h lamp service life projector (10,000h shorter).

This indicates how long the lamp in the projector will last before it needs to be replaced, measured in hours.

A longer life lamp means you'll need to replace it far less frequently, saving you money.

Read more Read less | Edit
Card Reader Integrated
The Asus P3B has a card reader integrated, whereas the Acer K138 does not have a card reader integrated.

This denotes whether the projector comes with an inbuilt reader for memory cards or not.

A memory card is a good way to easily load a film into the projector to watch, without having to hook it up to a computer first.

Read more Read less | Edit
More Shops Are Selling it
The more shops stock the product, the greater competition amongst shops to keep prices low.
$231 Cheaper to Run Over Five Years
Over five years the Asus P3B is $231 cheaper to run than the Acer K138.
Read more Read less
Moderately Better Expert Reviews
Based on 10 expert reviews, the Asus P3B has an average review score of 75%, but the Acer K138 has an average rating of 74% (based on 6 reviews).
Hugely Better User Reviews
Based on 16 user reviews, the Asus P3B has an average review score of 83%, but the Acer K138 has an average rating of 20% (based on 2 reviews).

Reviews & Awards

Awards

Acer K138 Asus P3B
No awards found
3 Awards
ddworld.cz: Recommended Award profesionalreview.com: Gold vido.com.ua: Recommended

Average Expert Rating

The Asus P3B has better expert reviews than the Acer K138. The average expert reviews score for the Asus P3B is 75% based on 10 reviews, where as the average score for the Acer K138 is 74% based on 6 reviews.
Acer K138 Asus P3B
5 stars
0 reviews
4 stars
2 reviews
3 stars
0 reviews
2 stars
0 reviews
1 star
0 reviews
Best
5 stars
1 review
4 stars
1 review
3 stars
1 review
2 stars
0 reviews
1 star
0 reviews

Average User Rating

The Asus P3B has better user reviews than the Acer K138. The average user reviews score for the Asus P3B is 83% based on 16 reviews, where as the average score for the Acer K138 is 20% based on 2 reviews.
Acer K138 Asus P3B
5 stars
0 reviews
4 stars
0 reviews
3 stars
0 reviews
2 stars
0 reviews
1 star
2 reviews
Best
5 stars
8 reviews
4 stars
4 reviews
3 stars
3 reviews
2 stars
0 reviews
1 star
1 review

Average Brand Rating

Acer has a better average brand rating than Asus. The average brand rating for Acer is 80.98% based on 1,656 reviews, where as the average brand rating for Asus is 78.77% based on 380 reviews.
Acer K138 Asus P3B
Acer

81

81

Based on 1,656 reviews
Asus

79

79

Based on 380 reviews

Date Released

Acer K138 Asus P3B
27 months old Best 28 months old

Key Features

Noise Level

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.

Service Life Of Lamp

This indicates how long the lamp in the projector will last before it needs to be replaced, measured in hours.

A longer life lamp means you'll need to replace it far less frequently, saving you money.

Energy Efficiency

Running Costs Over 5 Years

Projector running costs calculated based on an average of 5 hours of use per week. The running cost comprises the electricity cost when using the projector and the electricity standby cost. Compare all energy saving projectors.

Environmental Impact

We have calculated the amount of CO2 that will be generated by running each of these projectors for 5 years. We have then converted that into the number of tree seedlings that you would need to plant and grow for 10 years in order to offset that amount of CO2.
Acer K138
Acer
K138
37 trees 1.5 tonnes CO2
Asus P3B
Asus
P3B
2 trees 0.092 tonnes CO2 (Best)

Specification

 
 
 
Performance Acer K138 Asus P3B
Noise Level 33dB 32dB
BEST
Noise Level (economic Mode) 29dB Unknown - Click to provide data
Vertical Scan Range Unknown - Click to provide data
 
 
 
Projector Acer K138 Asus P3B
Projector Native Resolution
1280 x 800
 1280 x 800
1280 x 800
 1280 x 800
Contrast Ratio
100000:1
 100000:1
100000:1
 100000:1
Projector Brightness 800 ANSI Lumens 800 ANSI Lumens
Maximum Digital Resolution
1920 x 1080
 1920 x 1080
1920 x 1080
 1920 x 1080
Keystone Correction, Vertical Unknown - Click to provide data
Matrix Size Unknown - Click to provide data 0.45"
Minimum Vertical Synchronization 50kHz Unknown - Click to provide data
Maximum Horizontal Synchronization 100kHz Unknown - Click to provide data
Maximum Vertical Synchronization 120kHz Unknown - Click to provide data
Minimum Horizontal Synchronization 30kHz Unknown - Click to provide data
Zoom Ratio
Fixed
 Fixed
Fixed
 Fixed
Projection Distance
Screen Size Compatibility
 
 
 
Lamps Acer K138 Asus P3B
Lamp 1lamp(s) Unknown - Click to provide data
Service Life of Lamp (economic Mode) 30,000h Unknown - Click to provide data
Service Life of Lamp 20,000h 30,000h
BEST
 
 
 
Lens System Acer K138 Asus P3B
Optical Zoom 1x Unknown - Click to provide data
Digital Zoom 1.7x Unknown - Click to provide data
 
 
 
Video Acer K138 Asus P3B
Supported Graphics Resolutions
1920 x 1080 (HD 1080)
 1920 x 1080 (HD 1080)
1920 x 1080 (HD 1080)
 1920 x 1080 (HD 1080)
 
 
 
Ports & Interfaces Acer K138 Asus P3B
Headphone Outputs Unknown - Click to provide data 1
USB 2.0 Port 1 3
BEST
HDMI Port 1 1
VGA (D-Sub) Port 1 1
 
 
 
Storage Acer K138 Asus P3B
Internal Storage Capacity Unknown - Click to provide data 2GB
 
 
 
Multimedia Acer K138 Asus P3B
Audio Formats Supported Unknown - Click to provide data
Image Formats Supported
JPG PNG
BMP JPEG XR
 JPG
 PNG
 BMP
 JPEG XR
JPG PNG
BMP JPEG XR
 JPG
 PNG
 BMP
 JPEG XR
Video Formats Supported
WMV 3GP
MOV MKV
VOB M4V
3G2
 WMV
 3GP
 MOV
 MKV
 VOB
 M4V
 3G2
WMV 3GP
MOV MKV
VOB M4V
3G2
 WMV
 3GP
 MOV
 MKV
 VOB
 M4V
 3G2
RMS Rated Power 6W
BEST
2W
Built-In Speaker 2
BEST
1
 
 
 
Power Acer K138 Asus P3B
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
 
 
 
Battery Acer K138 Asus P3B
Maximum Battery Life Unknown - Click to provide data 1.5h
Battery Capacity Unknown - Click to provide data 12,000mAh
 
 
 
Operational Conditions Acer K138 Asus P3B
Operating Relative Humidity (H-H)
Operating Temperature (T-T)
 
 
 
Certificates Acer K138 Asus P3B
Certification Unknown - Click to provide data
 
 
 
Weight & Dimensions Acer K138 Asus P3B
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 Acer K138 Asus P3B
Cables Included
AC HDMI
 AC
 HDMI
AC HDMI
 AC
 HDMI
 
 
 
Other Features Acer K138 Asus P3B
Audio Input 1 Unknown - Click to provide data

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