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Sony A7c vs Sony RX100

Portability
78
Imaging
76
Features
88
Overall
80
Sony Alpha A7c front
 
Sony Cyber-shot DSC-RX100 front
Portability
91
Imaging
50
Features
68
Overall
57

Sony A7c vs Sony RX100 Key Specs

Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 51200 (Increase to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Revealed September 2020
Sony RX100
(Full Review)
  • 20MP - 1" Sensor
  • 3" Fixed Screen
  • ISO 100 - 25600
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 240g - 102 x 58 x 36mm
  • Released August 2012
  • Later Model is Sony RX100 II
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Sony A7c vs Sony RX100 Overview

Its time to look a bit more in depth at the Sony A7c vs Sony RX100, one is a Advanced Mirrorless and the latter is a Large Sensor Compact and they are both built by Sony. The image resolution of the A7c (24MP) and the RX100 (20MP) is pretty comparable but the A7c (Full frame) and RX100 (1") have totally different sensor measurements.

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The A7c was released 8 years after the RX100 which is a fairly sizable gap as far as camera tech is concerned. The two cameras have different body design with the Sony A7c being a Rangefinder-style mirrorless camera and the Sony RX100 being a Large Sensor Compact camera.

Before delving right into a step-by-step comparison, here is a brief summation of how the A7c matches up against the RX100 in terms of portability, imaging, features and an overall score.

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Reasons to pick Sony A7c over the Sony RX100

 A7c RX100 
ReleasedSeptember 2020August 2012More modern by 98 months
Screen typeFully articulatedFixed Fully Articulating screen
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Sony RX100 over the Sony A7c

 RX100 A7c 
Screen resolution1229k922kCrisper screen (+307k dot)

Common features in the Sony A7c and Sony RX100

 A7c RX100 
Manual focus Very precise focusing
Screen dimensions3"3"Equal screen measurements

Sony A7c vs Sony RX100 Physical Comparison

For anyone who is intending to carry around your camera regularly, you will have to factor in its weight and proportions. The Sony A7c has got exterior measurements of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") along with a weight of 509 grams (1.12 lbs) while the Sony RX100 has measurements of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") having a weight of 240 grams (0.53 lbs).

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Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen at that time. Underneath is a front view size comparison of the A7c and the RX100.

Sony A7c vs Sony RX100 size comparison

Taking into consideration size and weight, the portability grade of the A7c and RX100 is 78 and 91 respectively.

Sony A7c vs Sony RX100 top view buttons comparison

Sony A7c vs Sony RX100 Sensor Comparison

Generally, it is difficult to see the difference in sensor sizes purely by seeing technical specs. The pic here will provide you a greater sense of the sensor measurements in the A7c and RX100.

As you have seen, each of these cameras have different megapixels and different sensor sizes. The A7c featuring a bigger sensor will make shooting shallower DOF less difficult and the Sony A7c will produce more detail as a result of its extra 4MP. Higher resolution will make it easier to crop photographs a bit more aggressively. The more modern A7c will have an advantage with regard to sensor technology.

Sony A7c vs Sony RX100 sensor size comparison

Sony A7c vs Sony RX100 Screen and ViewFinder

Sony A7c vs Sony RX100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A7c
Portrait photography with Sony RX100
78
focusing manually
MP count decent (24 megapixels)
sensor size is great (Full frame)
supports face detection focusing
supports RAW formats
can't use external flash
64
you can focus manually
flash sync speed is above average (1/2,000 seconds)
good megapixels (20MP)
good sensor size (1")
provides face detection autofocus
supports RAW formats
external flash not possible
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Street Comparison

Sony A7c Street photography details
Sony RX100 Street photography details
85
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports RAW formats
provides focus via touch
weather proof
great high ISO (51,200)
79
built in image stabilization (Optical)
good sensor size (1")
supports RAW formats
lighter than competitors (240 grams)
good high ISO (25,600)
no articulating screen
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Sports Comparison

Sony A7c Sports photography highlights
Sony RX100 Sports photography highlights
88
silent shooting (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
MP count decent (24 megapixels)
sensor size is great (Full frame)
supports tracking autofocus
weather proof
good battery pack (740 shots)
comes with phase detect AF
65
built in image stabilization (Optical)
good megapixels (20MP)
good sensor size (1")
provides tracking autofocus
lack of phase detect autofocus
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Travel Comparison

Sony A7c Travel photography details
Sony RX100 Travel photography details
86
good battery pack (740 shots)
weather proof
supports bluetooth
provides focus via touch
MP count decent (24MP)
display is selfie friendly
79
lighter than competitors (240 grams)
good megapixels (20 megapixels)
built-in flash
relatively wide (28mm)
good max aperture (f1.8)
does not have selfie friendly display
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Landscape Comparison

Sony A7c Landscape photography advice
Sony RX100 Landscape photography advice
88
focusing manually
swap lenses (Sony E mount)
screen size is good (3 inches)
has image stabilization (Sensor based 5-axis)
MP count decent (24MP)
sensor size is great (Full frame)
great high ISO (51,200)
supports RAW formats
weather proof
good battery pack (740 CIPA)
74
you can focus manually
relatively wide (28mm)
good max aperture (f1.8)
screen is a good size (3")
built in image stabilization (Optical)
good megapixels (20 megapixels)
good sensor size (1")
good high ISO (25,600)
supports RAW formats
can't switch lens (fixed lens mount)
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Vlogging Comparison

Sony A7c Vlogging features
Sony RX100 Vlogging features
86
display is selfie friendly
touchscreen capability
has image stabilization (Sensor based 5-axis)
supports face detection focusing
high res video (3840 x 2160 resolution)
does have external microphone support
38
relatively wide (28mm)
good max aperture (f1.8)
built in image stabilization (Optical)
provides face detection autofocus
high quality video (1920 x 1080 pixels)
lighter than competitors (240 grams)
does not have selfie friendly display
missing external mic jack
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Sony A7c vs Sony RX100 Specifications

Detailed spec comparison table for Sony A7c and Sony RX100
 Sony Alpha A7cSony Cyber-shot DSC-RX100
General Information
Manufacturer Sony Sony
Model type Sony Alpha A7c Sony Cyber-shot DSC-RX100
Type Advanced Mirrorless Large Sensor Compact
Revealed 2020-09-14 2012-08-28
Body design Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Sensor type BSI-CMOS CMOS
Sensor size Full frame 1"
Sensor dimensions 35.8 x 23.8mm 13.2 x 8.8mm
Sensor area 852.0mm² 116.2mm²
Sensor resolution 24MP 20MP
Anti alias filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Peak resolution 6000 x 4000 5472 x 3648
Highest native ISO 51200 25600
Highest enhanced ISO 204800 -
Lowest native ISO 100 100
RAW photos
Lowest enhanced ISO 50 -
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 693 25
Lens
Lens support Sony E fixed lens
Lens zoom range - 28-100mm (3.6x)
Highest aperture - f/1.8-4.9
Macro focusing range - 5cm
Amount of lenses 122 -
Crop factor 1 2.7
Screen
Range of display Fully articulated Fixed Type
Display sizing 3 inch 3 inch
Display resolution 922k dot 1,229k dot
Selfie friendly
Liveview
Touch display
Display technology - WhiteMagic TFT LCD
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.59x -
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/4000 secs 1/2000 secs
Max quiet shutter speed 1/8000 secs -
Continuous shutter speed 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance no built-in flash -
Flash modes no built-in flash Auto, On, Off, Slow Sync
Hot shoe
AEB
White balance bracketing
Max flash sync - 1/2000 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 3840x2160 1920x1080
Video data format MPEG-4, XAVC S, H.264 MPEG-4, AVCHD
Mic input
Headphone input
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 509g (1.12 lb) 240g (0.53 lb)
Physical dimensions 124 x 71 x 60mm (4.9" x 2.8" x 2.4") 102 x 58 x 36mm (4.0" x 2.3" x 1.4")
DXO scores
DXO Overall rating not tested 66
DXO Color Depth rating not tested 22.6
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 390
Other
Battery life 740 photographs 330 photographs
Battery format Battery Pack Battery Pack
Battery ID NP-FZ100 NP-BX1
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting With downloadable app
Type of storage SD/SDHC/SDXC card (UHS-II supported) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Single Single
Cost at release $1,800 $448