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Sony A100 vs Sony RX10 III

Portability
64
Imaging
48
Features
38
Overall
44
Sony Alpha DSLR-A100 front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
52
Features
77
Overall
62

Sony A100 vs Sony RX10 III Key Specs

Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Launched July 2006
  • Succeeded the Konica Minolta 5D
  • Later Model is Sony A550
Sony RX10 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Raise to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1051g - 133 x 94 x 127mm
  • Revealed March 2016
  • Succeeded the Sony RX10 II
  • Replacement is Sony RX10 IV
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Sony A100 vs Sony RX10 III Overview

Lets look closer at the Sony A100 vs Sony RX10 III, one is a Entry-Level DSLR and the latter is a Large Sensor Superzoom and both are built by Sony. There exists a crucial gap among the resolutions of the A100 (10MP) and RX10 III (20MP) and the A100 (APS-C) and RX10 III (1") come with totally different sensor sizes.

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The A100 was brought out 10 years earlier than the RX10 III which is a fairly serious gap as far as camera technology is concerned. Each of the cameras come with different body type with the Sony A100 being a Compact SLR camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before we go in to a in depth comparison, below is a quick view of how the A100 scores versus the RX10 III in regards to portability, imaging, features and an overall mark.

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Reasons to pick Sony A100 over the Sony RX10 III

 A100 RX10 III 

Reasons to pick Sony RX10 III over the Sony A100

 RX10 III A100 
RevealedMarch 2016July 2006Newer by 117 months
Screen typeTiltingFixed Tilting screen
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution1229k230kSharper screen (+999k dot)

Common features in the Sony A100 and Sony RX10 III

 A100 RX10 III 
Manually focus Very exact focusing
Selfie screen Lack of selfie screen
Touch screen Neither comes with Touch screen

Sony A100 vs Sony RX10 III Physical Comparison

For anyone who is intending to travel with your camera frequently, you will want to consider its weight and dimensions. The Sony A100 comes with exterior dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs) while the Sony RX10 III has dimensions of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") along with a weight of 1051 grams (2.32 lbs).

Check the Sony A100 vs Sony RX10 III in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at that time. Below is the front view overall size comparison of the A100 versus the RX10 III.

Sony A100 vs Sony RX10 III size comparison

Looking at dimensions and weight, the portability score of the A100 and RX10 III is 64 and 53 respectively.

Sony A100 vs Sony RX10 III top view buttons comparison

Sony A100 vs Sony RX10 III Sensor Comparison

Typically, it's difficult to see the difference in sensor dimensions merely by seeing technical specs. The picture here should give you a greater sense of the sensor dimensions in the A100 and RX10 III.

As you can tell, each of the cameras have got different megapixel count and different sensor dimensions. The A100 featuring a bigger sensor will make achieving shallower DOF easier and the Sony RX10 III will produce more detail having its extra 10 Megapixels. Higher resolution can also make it easier to crop photographs much more aggressively. The more aged A100 will be behind in sensor tech.

Sony A100 vs Sony RX10 III sensor size comparison

Sony A100 vs Sony RX10 III Screen and ViewFinder

Sony A100 vs Sony RX10 III Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Sony A100 Portrait photography features
Sony RX10 III Portrait photography features
52
you can focus manually
sensor size is nice (APS-C)
saves RAW formats
no liveview feature
sensor resolution low (10MP)
71
focusing manually
sensor resolution is decent (20MP)
decent sensor size (1")
offers face detection focus
delivers RAW files
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Street Comparison

Sony A100 Street photography features
Sony RX10 III Street photography features
64
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
no articulating screen
64
screen tilts up and down
built in image stabilization (Optical)
decent sensor size (1")
delivers RAW files
environment proofing
heavier than average in class (1,051g)
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Sports Comparison

Sony A100 Sports photography factors
Sony RX10 III Sports photography factors
49
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
has phase detect autofocus
no liveview feature
continuous shooting slow (3.0 frames/s)
sensor resolution low (10 megapixels)
70
incredible zoom range (24-600mm 25.0 x zoom)
silent mode (1/32,000 seconds)
built in image stabilization (Optical)
sensor resolution is decent (20 megapixels)
decent sensor size (1")
offers tracking autofocus
environment proofing
better than average battery life (420 shots)
doesn't have phase detect auto focus
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Travel Comparison

Sony A100 as a Travel photography camera
Sony RX10 III as a Travel photography camera
45
built-in flash
does not have Time Lapse mode
sensor resolution low (10MP)
doesn't have selfie friendly display
55
better than average battery life (420 per charge)
environment proofing
sensor resolution is decent (20MP)
flash built-in
pretty wide (24mm)
great zoom (600mm)
does not have Time Lapse mode
heavier than average in class (1,051 grams)
does not offer selfie friendly screen
somewhat slow maximum aperture (f2.4)
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Landscape Comparison

Sony A100 Landscape photography features
Sony RX10 III Landscape photography features
53
you can focus manually
interchangeable lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
screen is small (2.5 inches)
no liveview feature
sensor resolution low (10 megapixels)
does not have Time Lapse mode
63
focusing manually
pretty wide (24mm)
nice screen size (3")
built in image stabilization (Optical)
sensor resolution is decent (20MP)
decent sensor size (1")
delivers RAW files
environment proofing
better than average battery life (420 per charge)
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f2.4)
does not have Time Lapse mode
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Vlogging Comparison

Sony A100 Vlogging features
Sony RX10 III Vlogging features
9
can't record video
28
pretty wide (24mm)
built in image stabilization (Optical)
offers face detection focus
high quality video (3840 x 2160 pxls)
does have external mic support
somewhat slow maximum aperture (f2.4)
does not offer selfie friendly screen
heavier than average in class (1,051 grams)
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Sony A100 vs Sony RX10 III Specifications

Detailed spec comparison table for Sony A100 and Sony RX10 III
 Sony Alpha DSLR-A100Sony Cyber-shot DSC-RX10 III
General Information
Brand Sony Sony
Model Sony Alpha DSLR-A100 Sony Cyber-shot DSC-RX10 III
Class Entry-Level DSLR Large Sensor Superzoom
Launched 2006-07-31 2016-03-29
Physical type Compact SLR SLR-like (bridge)
Sensor Information
Powered by - Bionz X
Sensor type CCD BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.6 x 15.8mm 13.2 x 8.8mm
Sensor area 372.9mm² 116.2mm²
Sensor resolution 10 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Max resolution 3872 x 2592 5472 x 3648
Max native ISO 1600 12800
Max enhanced ISO - 25600
Min native ISO 100 125
RAW data
Min enhanced ISO - 64
Autofocusing
Manual focus
Touch to focus
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 9 25
Lens
Lens mounting type Sony/Minolta Alpha fixed lens
Lens focal range - 24-600mm (25.0x)
Highest aperture - f/2.4-4.0
Macro focus distance - 3cm
Number of lenses 143 -
Focal length multiplier 1.5 2.7
Screen
Screen type Fixed Type Tilting
Screen sizing 2.5" 3"
Resolution of screen 230k dots 1,229k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (pentamirror) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.55x 0.7x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/2000 secs
Fastest silent shutter speed - 1/32000 secs
Continuous shutter rate 3.0 frames/s 14.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range - 10.80 m (at Auto ISO)
Flash settings Auto, Fill-in, Red-Eye reduction, Slow Sync, Off Auto, fill-flash, slow sync, rear sync, off
External flash
AE bracketing
White balance bracketing
Fastest flash synchronize 1/160 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Max video resolution None 3840x2160
Video file format - MPEG-4, AVCHD, XAVC S
Mic support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 638g (1.41 lbs) 1051g (2.32 lbs)
Dimensions 133 x 95 x 71mm (5.2" x 3.7" x 2.8") 133 x 94 x 127mm (5.2" x 3.7" x 5.0")
DXO scores
DXO Overall score 61 70
DXO Color Depth score 22.0 23.1
DXO Dynamic range score 11.2 12.6
DXO Low light score 476 472
Other
Battery life - 420 photos
Type of battery - Battery Pack
Battery model NP-FM55H NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, continuous)
Time lapse recording
Type of storage Compact Flash (Type I or II) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Launch pricing $1,000 $1,398