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Sony QX100 vs Sony A55

Portability
92
Imaging
51
Features
44
Overall
48
Sony Cyber-shot DSC-QX100 front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sony QX100 vs Sony A55 Key Specs

Sony QX100
(Full Review)
  • 20MP - 1" Sensor
  • " Fixed Screen
  • ISO 160 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 179g - 63 x 63 x 56mm
  • Revealed September 2013
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Released August 2010
  • New Model is Sony A57
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Sony QX100 vs Sony A55 Overview

In this article, we are matching up the Sony QX100 vs Sony A55, one being a Lens-style and the other is a Entry-Level DSLR and they are both manufactured by Sony. There exists a significant gap among the resolutions of the QX100 (20MP) and A55 (16MP) and the QX100 (1") and A55 (APS-C) feature totally different sensor dimensions.

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The QX100 was brought out 3 years later than the A55 and that is a fairly sizable gap as far as camera technology is concerned. The two cameras offer different body type with the Sony QX100 being a Lens-style camera and the Sony A55 being a Compact SLR camera.

Before diving in to a detailed comparison, below is a brief overview of how the QX100 scores vs the A55 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Sony QX100 over the Sony A55

 QX100 A55 
ReleasedSeptember 2013August 2010Fresher by 37 months
Touch friendly display Easily navigate

Reasons to pick Sony A55 over the Sony QX100

 A55 QX100 
Display typeFully ArticulatedFixed Fully Articulating display
Display sizing3""Larger display (+3")
Display resolution921k0kSharper display (+921k dot)
Selfie screen Easy selfies

Common features in the Sony QX100 and Sony A55

 QX100 A55 
Focus manually Dial precise focusing

Sony QX100 vs Sony A55 Physical Comparison

In case you're aiming to carry your camera regularly, you will have to think about its weight and dimensions. The Sony QX100 has got external dimensions of 63mm x 63mm x 56mm (2.5" x 2.5" x 2.2") with a weight of 179 grams (0.39 lbs) and the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Check out the Sony QX100 vs Sony A55 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilising at that time. Underneath is the front view scale comparison of the QX100 versus the A55.

Sony QX100 vs Sony A55 size comparison

Looking at dimensions and weight, the portability score of the QX100 and A55 is 92 and 67 respectively.

Sony QX100 vs Sony A55 top view buttons comparison

Sony QX100 vs Sony A55 Sensor Comparison

Quite often, it can be hard to visualise the difference in sensor sizing purely by seeing specs. The photograph underneath will offer you a far better sense of the sensor dimensions in the QX100 and A55.

All in all, both cameras offer different resolutions and different sensor sizing. The QX100 due to its smaller sensor will make achieving shallower DOF tougher and the Sony QX100 will produce more detail having its extra 4MP. Greater resolution will also make it easier to crop pics a little more aggressively. The newer QX100 will have an edge when it comes to sensor technology.

Sony QX100 vs Sony A55 sensor size comparison

Sony QX100 vs Sony A55 Screen and ViewFinder

Sony QX100 vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony QX100 Portrait photography info
Sony A55 Portrait photography info
53
you can focus manually
MP count decent (20MP)
decent sensor size (1")
comes with face detection focusing
no manual control
can't use external flash
doesn't have RAW support
73
you can focus manually
megapixel count decent (16MP)
decent sensor size (APS-C)
comes with face detection focus
exports RAW formats
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Street Comparison

Sony QX100 as a Street photography camera
Sony A55 as a Street photography camera
71
image stabilization (Optical)
decent sensor size (1")
comes with touch to focus
no articulating screen
doesn't have RAW support
77
screen can move to multiple angles
has image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
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Sports Comparison

Sony QX100 Sports photography highlights
Sony A55 Sports photography highlights
55
image stabilization (Optical)
MP count decent (20 megapixels)
decent sensor size (1")
not so great battery pack (200 CIPA)
doesn't have phase detect AF
68
has image stabilization (Sensor based)
megapixel count decent (16MP)
decent sensor size (APS-C)
comes with phase detect auto focus
low battery power (380 shots)
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Travel Comparison

Sony QX100 Travel photography details
Sony A55 Travel photography details
69
comes with touch to focus
MP count decent (20MP)
pretty wide (28mm)
fast maximum aperture (f1.8)
missing Time Lapse function
not so great battery pack (200 shots)
does not posses selfie friendly screen
62
megapixel count decent (16 megapixels)
built-in flash
screen is selfie friendly
no Timelapse function
low battery power (380 CIPA)
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Landscape Comparison

Sony QX100 Landscape photography highlights
Sony A55 Landscape photography highlights
54
you can focus manually
pretty wide (28mm)
fast maximum aperture (f1.8)
image stabilization (Optical)
MP count decent (20MP)
decent sensor size (1")
can't switch lenses (fixed lens mount)
small screen (")
no manual control
doesn't have RAW support
not so great battery pack (200 per charge)
missing Time Lapse function
67
you can focus manually
change lenses (Sony/Minolta Alpha mount)
screen size is good (3 inches)
has image stabilization (Sensor based)
megapixel count decent (16 megapixels)
decent sensor size (APS-C)
exports RAW formats
low battery power (380 CIPA)
no Timelapse function
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Vlogging Comparison

Vlogging with Sony QX100
Vlogging with Sony A55
38
pretty wide (28mm)
fast maximum aperture (f1.8)
built-in touchscreen
image stabilization (Optical)
comes with face detection focusing
high quality video (1920 x 1080 pxls)
does not posses selfie friendly screen
missing external mic socket
78
screen is selfie friendly
has image stabilization (Sensor based)
comes with face detection focus
great video quality (1920 x 1080 resolution)
does have external microphone jack
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Sony QX100 vs Sony A55 Specifications

Detailed spec comparison table for Sony QX100 and Sony A55
 Sony Cyber-shot DSC-QX100Sony SLT-A55
General Information
Make Sony Sony
Model type Sony Cyber-shot DSC-QX100 Sony SLT-A55
Class Lens-style Entry-Level DSLR
Revealed 2013-09-05 2010-08-24
Body design Lens-style Compact SLR
Sensor Information
Powered by - Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1" APS-C
Sensor measurements 13.2 x 8.8mm 23.5 x 15.6mm
Sensor area 116.2mm² 366.6mm²
Sensor resolution 20 megapixels 16 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 5472 x 3648 4912 x 3264
Maximum native ISO 6400 12800
Maximum boosted ISO - 25600
Lowest native ISO 160 100
RAW support
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points - 15
Cross type focus points - 3
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 28-100mm (3.6x) -
Maximum aperture f/1.8-4.9 -
Macro focusing distance 5cm -
Number of lenses - 143
Crop factor 2.7 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen diagonal - 3 inches
Screen resolution 0k dot 921k dot
Selfie friendly
Liveview
Touch operation
Screen tech Depends on connected smartphone -
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 1,150k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 4 seconds 30 seconds
Highest shutter speed 1/2000 seconds 1/4000 seconds
Continuous shooting speed - 10.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 10.00 m (@ ISO 100)
Flash settings None Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
WB bracketing
Highest flash sync - 1/160 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1920x1080 1920x1080
Video file format MPEG-4 MPEG-4, AVCHD, H.264
Microphone input
Headphone input
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 179 grams (0.39 lbs) 500 grams (1.10 lbs)
Dimensions 63 x 63 x 56mm (2.5" x 2.5" x 2.2") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around rating not tested 73
DXO Color Depth rating not tested 23.0
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 816
Other
Battery life 200 images 380 images
Battery format Battery Pack Battery Pack
Battery ID NP-BN, NP-FW50
Self timer Yes (2, 10 secs) Yes (2 or 10 sec)
Time lapse recording
Type of storage microSD, microSDHC, microSDXC, Memory Stick Micro SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Launch pricing $268 $800