Acer K137 vs DELL M115HD

(19)
(47)
Acer K137
DELL M115HD

Top Prices

Amazon UK
Standard delivery: £7.99
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eBay
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FREE Standard delivery
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Ebuyer Business
Standard delivery: £4.19
In stock, only 4 left!

Reasons For

9 Reasons For
250 ANSI lumens brighter projector brightness Edit
The Acer K137 has a projector brightness of 700 ANSI lumens, however the DELL M115HD is only a 450 ANSI lumens brightness projector (250 ANSI lumens dimmer).
3D image projection Edit
The Acer K137 supports 3D image projection, but the DELL M115HD does not support 3D image projection. 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.

Full HD projection Edit
The Acer K137 supports Full HD projection, whereas the DELL M115HD does not support Full HD projection. 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.

17% quieter noise level Edit
The Acer K137 is a 31dB noise level projector. That's 5dB quieter than the DELL M115HD (36dB). 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.

3dB quieter noise level in economy mode Edit
The Acer K137 is a 29dB noise level (in economic mode) projector, whereas the DELL M115HD is a 32dB noise level (in economic mode) projector (3dB louder).
2W higher RMS rated power Edit
The Acer K137 has an RMS rated power of 3W, whereas the DELL M115HD is only a 1W RMS rated power projector (2W lower).
One more built-in speaker Edit
The Acer K137 has two built-in speakers, however the DELL M115HD only has one built-in speaker.
Better expert reviews
The average expert review score of the Acer K137 is 75%, however the average rating of the DELL M115HD is 68% (based on 4 reviews).
Considerably better user reviews
The average user review score of the Acer K137 is 95%, however the average rating of the DELL M115HD is 80% (based on 43 reviews).
11 Reasons For
0.45" bigger matrix size Edit
The DELL M115HD has a matrix size of 0.45", whereas the Acer K137 is only a unknown" matrix size projector (0.45" smaller).
80% bigger uniformity Edit
The DELL M115HD is an 80% uniformity projector. That's 80% bigger than the Acer K137 (80%). Read more

Defines in percentage the harmonious spread of the projection

Higher number of colours Edit
DELL M115HD is 1,070M colour. That's 1,070M higher than the Acer K137 (1,070M).
10,000h longer lamp service life Edit
The DELL M115HD has a lamp service life of 30,000h, whereas the Acer K137 is only a 20,000h lamp service life projector (10,000h shorter).
100% bigger offset Edit
The DELL M115HD has an offset of 100%, whereas the Acer K137 is only a unknown% offset projector (100% smaller).
1GB larger internal storage capacity Edit
The DELL M115HD has an internal storage capacity of 1GB, whereas the Acer K137 is only a unknownGB internal storage capacity projector (1GB smaller).
A lot lighter Edit
The DELL M115HD has a weight of 360g, however the Acer K137 is a 510g heavy projector (150g heavier).
Cheaper by £175
The DELL M115HD costs £175 less than the Acer K137.
27 shops are selling it
A greater number of shops increases the chances of the product remaining in stock and also increases the price competition amongst retailers for this projector.
29% cheaper to run
Over five years the DELL M115HD is £8.49 cheaper to run than the Acer K137. Read more
Better selling
The DELL M115HD ranks No. 68099 by number of sales, however the Acer K137 ranks No. 204720.

Reasons Against

6 Reasons Against
10,000h shorter lamp service life Edit
The Acer K137 has a lamp service life of 20,000h, whereas the DELL M115HD is a 30,000h lamp service life projector (10,000h longer).
A lot heavier Edit
The Acer K137 has a weight of 510g, however the DELL M115HD is a 360g heavy projector (150g lighter).
More expensive by £175
The Acer K137 is £175 more expensive than the DELL M115HD.
Less retailers
The Acer K137 is only stocked by 4 sellers, whereas the DELL M115HD is stocked by 31 retailers. Read more
Fewer numbers of shops reduces the price competition amongst retailers for the product and also reduces the chances of this projector remaining in stock.
Higher running costs over five years by £8.49
Over five years the running costs of the Acer K137 are £28.84 which is £8.49 more than the DELL M115HD. Show assumptions.
Less popular
The Acer K137 is a less popular choice amongst buyers. It ranks No. 204720 by number of sales in our projectors, however the DELL M115HD ranks No. 68099.
10 Reasons Against
250 ANSI lumens dimmer projector brightness Edit
The DELL M115HD has a projector brightness of 450 ANSI lumens, however the Acer K137 is a 700 ANSI lumens brightness projector (250 ANSI lumens brighter).
Does not support 3D image projection Edit
The DELL M115HD does not support 3D image projection, whereas the Acer K137 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.

Does not support Full HD projection Edit
The DELL M115HD does not support Full HD projection, however the Acer K137 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.

14% louder noise level Edit
The DELL M115HD is a 36dB noise level projector. That's 5dB louder than the Acer K137 (36dB). 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.

3dB louder noise level in economy mode Edit
The DELL M115HD is a 32dB noise level (in economic mode) projector, whereas the Acer K137 is a 29dB noise level (in economic mode) projector (3dB quieter).
Significantly lower RMS rated power Edit
The DELL M115HD has an RMS rated power of 1W, whereas the Acer K137 is a 3W RMS rated power projector (2W higher).
One less built-in speaker Edit
The DELL M115HD has one built-in speaker, however the Acer K137 only has two built-in speakers.
Older by over one year
The DELL M115HD is 17 months older than the Acer K137.
Expert review Rating is Worse
The DELL M115HD's average expert score is only 68%, however the Acer K137's is 75% (based on 6 reviews).
User review Rating is considerably Worse
The DELL M115HD's average user score is 80%, however the Acer K137's is 95% (based on 13 reviews).

Awards

1 Award
01net.com: 4 Star
No awards found

Average Expert Rating

Average User Rating

Date Released

22 months Ago 39 months Ago

Running Costs Over 5 Years

Electricity cost - switched on £ 28.84
Electricity cost - standby £ -
Total running cost £ 28.84
Purchase price £ 395.00
Total cost of ownership £ 423.84
Details
Electricity cost - switched on £ 16.66
Electricity cost - standby £ 3.69
Total running cost £ 20.35
Purchase price £ 220.00
Total cost of ownership £ 240.35
Details

Energy Efficiency Class

No data No data

Environmental Impact

0.14T
Running this projector over 5 years will generate 0.14 tonnes of carbon dioxide (CO2).
4
To offset that much CO2 you would need to plant and grow them for 10 years.
0.1T
Running this projector over 5 years will generate 0.1 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
 10000:1
 10000:1
Native Projector Resolution
 WXGA (1280x800)
 WXGA (1280x800)
Projector Brightness
700 ANSI lumens
BEST
450 ANSI lumens
Maximum Digital Resolution
 1920 x 1080
BEST
 1920 x 1080
Vertical Keystone Correction
-40 - 40 Unknown - Click to provide data
Matrix Size
Unknown - Click to provide data 0.45"
Uniformity
Unknown - Click to provide data 80%
Minimum Vertical Synchronization
0.05kHz Unknown - Click to provide data
Maximum Horizontal Synchronization
0.1kHz Unknown - Click to provide data
Maximum Vertical Synchronization
0.12kHz Unknown - Click to provide data
Minimum Horizontal Synchronization
0.03kHz Unknown - Click to provide data
Number of Colours
Unknown - Click to provide data 1,070M
Zoom Ratio
 1.7:1
BEST
 1.7:1
Projection Distance
0.60 - 3.20 0.97 - 2.58
Supported Aspect Ratio
 16:9
 4:3
 16:10
 16:9
 4:3
 16:10
Compatible Screen Size
Unknown - Click to provide data 30 - 80
Projection Technology
 DLP
 DLP
Supported Number of Colours Display
 1.073 billion colours
 1.073 billion colours

Lamps

Lamp
1 1
Service Life of Lamp in Economic Mode
30,000h 30,000h
Lamp Type
 LED
 LED
Lamp Service Life
20,000h 30,000h
BEST

Lens System

Digital Zoom
1.7x Unknown - Click to provide data
Offset
Unknown - Click to provide data 100%
Aperture Range
Unknown - Click to provide data 2 - 2
Focal Length Range
Unknown - Click to provide data 14.95 - 14.95
Focus Mode
 Manual
 Manual
Objective Focal Length
Unknown - Click to provide data 14.95mm

Video

3D Image Projection
 3D image projection
BEST
 3D image projection
Full HD Projection
 Full HD projection
BEST
 Full HD projection
HD-Ready
 HD-Ready
 HD-Ready

Ports & Interfaces

DVI Port
Unknown - Click to provide data
 DVI port
PC Audio Output
Unknown - Click to provide data
 PC audio output
DC-In Jack
Unknown - Click to provide data
 DC-in jack
Headphone Output
Unknown - Click to provide data 1
Audio Out Port
Unknown - Click to provide data 1
USB Connector Type
 USB Type-A
 USB Type-A
USB 2.0 Port
1 1
HDMI Port
1 1
VGA (D-Sub) Port
Unknown - Click to provide data 1
AC Power in
Unknown - Click to provide data
 AC power in

Networking

WiFi Connectivity
Unknown - Click to provide data
 WiFi connectivity
Ethernet LAN Connection
 Ethernet LAN connection
 Ethernet LAN connection

Storage

Memory Card
 SD
 MicroSD (TransFlash)
 SD
 MicroSD (TransFlash)
Integrated Card Reader
 Integrated card reader
 Integrated card reader
Internal Storage Capacity
Unknown - Click to provide data 1GB

Performance

Noise Level
31dB
BEST
36dB
Mac Operating System
 Mac operating system
Unknown - Click to provide data
Windows Operating System
 Windows operating system
Unknown - Click to provide data
Noise Level in Economy Mode
29dB
BEST
32dB
HDCP
Unknown - Click to provide data
 HDCP
Password Protection
Unknown - Click to provide data
 Password protection

Multimedia

Built-In Speaker
 Built-in speaker
 Built-in speaker
Supported Audio Format
AAC,MP1,MP2,MP3,PCM,WAV,WMA Unknown - Click to provide data
Image Format
 JPG
 BMP
BEST
 JPG
 BMP
Video Format
 MPEG
 MPEG1
 MPEG2
 MPEG4
 H.264
 VC-1
BEST
 MPEG
 MPEG1
 MPEG2
 MPEG4
 H.264
 VC-1
RMS Rated Power
3W
BEST
1W
Built-In Speaker
2
BEST
1
Document Format
 DOC
 PDF
 PPT
 XLS
 DOC
 PDF
 PPT
 XLS

Design

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

Display

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

Power

Power Source
 AC
 AC
Power Consumption On Standby
Unknown - Click to provide data 0.5W
Typical Power Consumption
90W 52W
BEST
Power Consumption During PowerSave
Unknown - Click to provide data 42W
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
 230
 120 - 230
 120
 100 - 240
 100
 230
 120 - 230
 120
 100 - 240
 100

Operational Conditions

Relative Humidity Storage Range
Unknown - Click to provide data 0 - 90
Relative Humidity Operational Range
0 - 80 0 - 80
Storage Temperature Range
Unknown - Click to provide data 0 - 60
Operating Temperature Range
5 - 40 5 - 35

Certificates

Certification
Unknown - Click to provide data EMC & ED, DRCHP

Weight & Dimensions

Weight
510g 360g
BEST
Height
Unknown - Click to provide data 36.5mm
Depth
Unknown - Click to provide data 104mm
Width
Unknown - Click to provide data 105.3mm

Packaging Content

Carrying Case
 Carrying case
 Carrying case
Manual
Unknown - Click to provide data
 Manual
User Guide
 User guide
 User guide
Handheld Remote Control
 Handheld remote control
 Handheld remote control
Battery Included
 Battery included
Unknown - Click to provide data
Quick Start Guide
 Quick start guide
 Quick start guide
AC Adapter Included
Unknown - Click to provide data
 AC adapter included
Cable Included
 AC
 VGA
 AC
 VGA
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