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Sony A7c vs Sony RX10 IV

Portability
78
Imaging
76
Features
88
Overall
80
Sony Alpha A7c front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
53
Features
82
Overall
64

Sony A7c vs Sony RX10 IV Key Specs

Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 51200 (Boost to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Introduced September 2020
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Increase to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Announced September 2017
  • Replaced the Sony RX10 III
Photography Glossary

Sony A7c vs Sony RX10 IV Overview

Below, we are analyzing the Sony A7c vs Sony RX10 IV, former being a Advanced Mirrorless while the other is a Large Sensor Superzoom and they are both manufactured by Sony. The resolution of the A7c (24MP) and the RX10 IV (20MP) is very close but the A7c (Full frame) and RX10 IV (1") use different sensor sizes.

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The A7c was brought out 3 years later than the RX10 IV and that is a fairly large difference as far as camera technology is concerned. Both cameras come with different body type with the Sony A7c being a Rangefinder-style mirrorless camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before getting straight into a complete comparison, below is a quick summary of how the A7c matches up against the RX10 IV with regard to portability, imaging, features and an overall grade.

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Reasons to pick Sony A7c over the Sony RX10 IV

 A7c RX10 IV 
AnnouncedSeptember 2020September 2017More recent by 37 months
Display typeFully articulatedTiltingFully Articulating display
Selfie screen Easy selfies

Reasons to pick Sony RX10 IV over the Sony A7c

 RX10 IV A7c 
Display resolution1440k922kSharper display (+518k dot)

Common features in the Sony A7c and Sony RX10 IV

 A7c RX10 IV 
Focus manually Very precise focusing
Display dimension3"3"Identical display dimensions
Touch friendly display Easily navigate

Sony A7c vs Sony RX10 IV Physical Comparison

For those who are aiming to lug around your camera regularly, you'll need to think about its weight and dimensions. The Sony A7c has outside measurements of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") and a weight of 509 grams (1.12 lbs) and the Sony RX10 IV has dimensions of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") with a weight of 1095 grams (2.41 lbs).

Take a look at the Sony A7c vs Sony RX10 IV in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change depending on the lens you are utilizing at the time. Below is the front view over all size comparison of the A7c against the RX10 IV.

Sony A7c vs Sony RX10 IV size comparison

Looking at dimensions and weight, the portability rating of the A7c and RX10 IV is 78 and 52 respectively.

Sony A7c vs Sony RX10 IV top view buttons comparison

Sony A7c vs Sony RX10 IV Sensor Comparison

Normally, it's tough to imagine the contrast in sensor measurements simply by researching specs. The visual below may provide you a better sense of the sensor measurements in the A7c and RX10 IV.

All in all, each of these cameras posses different megapixels and different sensor measurements. The A7c due to its larger sensor is going to make getting shallow DOF easier and the Sony A7c will render more detail having its extra 4 Megapixels. Greater resolution can also help you crop pics somewhat more aggressively. The fresher A7c should have a benefit with regard to sensor innovation.

Sony A7c vs Sony RX10 IV sensor size comparison

Sony A7c vs Sony RX10 IV Screen and ViewFinder

Sony A7c vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A7c
Portrait photography with Sony RX10 IV
78
focusing manually
megapixel count decent (24 megapixels)
big sensor size (Full frame)
provides face detection focusing
delivers RAW formats
external flash not possible
71
you can focus manually
above average flash sync speed (1/2,000s)
MP count good (20 megapixels)
sensor size is nice (1")
comes with face detection autofocus
saves RAW formats
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Street Comparison

Sony A7c Street photography information
Sony RX10 IV Street photography information
85
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW formats
has focus by touch
environment proof
very good high ISO (51,200)
64
has a tilting screen
built in image stabilization (Optical)
sensor size is nice (1")
saves RAW formats
boasts touch focus
weather proof
heavier than competition (1,095g)
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Sports Comparison

Sony A7c Sports photography details
Sony RX10 IV Sports photography details
88
silent shooting (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
big sensor size (Full frame)
provides tracking autofocus
environment proof
better than average battery life (740 per charge)
has phase detect AF
76
long zoom range (24-600mm 25.0 x zoom)
quiet shutter (1/32,000s)
high frames per second (24.0 frames/s)
built in image stabilization (Optical)
MP count good (20MP)
sensor size is nice (1")
comes with tracking autofocus
weather proof
sensor has phase detect autofocus
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Travel Comparison

Sony A7c Travel photography info
Sony RX10 IV Travel photography info
86
better than average battery life (740 shots)
environment proof
connects via bluetooth
has focus by touch
megapixel count decent (24MP)
display is selfie friendly
56
weather proof
supports bluetooth
boasts touch focus
MP count good (20 megapixels)
built-in flash
quite wide (24mm)
long reach (600mm)
no Time Lapse mode
heavier than competition (1,095 grams)
display is not selfie friendly
slow max aperture (f2.4)
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Landscape Comparison

Sony A7c Landscape photography details
Sony RX10 IV Landscape photography details
88
focusing manually
swap lenses (Sony E mount)
nice screen size (3 inch)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
big sensor size (Full frame)
very good high ISO (51,200)
delivers RAW formats
environment proof
better than average battery life (740 per charge)
62
you can focus manually
quite wide (24mm)
nice screen size (3 inch)
built in image stabilization (Optical)
MP count good (20 megapixels)
sensor size is nice (1")
saves RAW formats
weather proof
can't change lens (fixed lens mount)
slow max aperture (f2.4)
no Time Lapse mode
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Vlogging Comparison

Sony A7c Vlogging factors
Sony RX10 IV Vlogging factors
86
display is selfie friendly
touchscreen enabled
image stabilization (Sensor based 5-axis)
provides face detection focusing
high video quality (3840 x 2160 pxls)
has external microphone port
29
quite wide (24mm)
touchscreen capability
built in image stabilization (Optical)
comes with face detection autofocus
high video quality (3840 x 2160 pxls)
includes external mic socket
slow max aperture (f2.4)
display is not selfie friendly
heavier than competition (1,095 grams)
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Sony A7c vs Sony RX10 IV Specifications

Detailed spec comparison table for Sony A7c and Sony RX10 IV
 Sony Alpha A7cSony Cyber-shot DSC-RX10 IV
General Information
Manufacturer Sony Sony
Model type Sony Alpha A7c Sony Cyber-shot DSC-RX10 IV
Category Advanced Mirrorless Large Sensor Superzoom
Introduced 2020-09-14 2017-09-12
Physical type Rangefinder-style mirrorless SLR-like (bridge)
Sensor Information
Chip - Bionz X
Sensor type BSI-CMOS BSI-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 24 megapixel 20 megapixel
Anti alias filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Maximum resolution 6000 x 4000 5472 x 3648
Maximum native ISO 51200 12800
Maximum boosted ISO 204800 25600
Lowest native ISO 100 125
RAW data
Lowest boosted ISO 50 64
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 693 315
Lens
Lens support Sony E fixed lens
Lens zoom range - 24-600mm (25.0x)
Maximum aperture - f/2.4-4.0
Macro focusing range - 3cm
Amount of lenses 122 -
Crop factor 1 2.7
Screen
Display type Fully articulated Tilting
Display diagonal 3 inches 3 inches
Resolution of display 922k dots 1,440k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.59x 0.7x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/4000 secs 1/2000 secs
Maximum quiet shutter speed 1/8000 secs 1/32000 secs
Continuous shooting rate 10.0 frames per sec 24.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 10.80 m (at Auto ISO)
Flash options no built-in flash Auto, fill-flash, slow sync, rear sync, off
Hot shoe
AE bracketing
White balance bracketing
Maximum flash synchronize - 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 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 3840x2160 3840x2160
Video format MPEG-4, XAVC S, H.264 MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 509 gr (1.12 pounds) 1095 gr (2.41 pounds)
Dimensions 124 x 71 x 60mm (4.9" x 2.8" x 2.4") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 740 photographs 400 photographs
Battery type Battery Pack Battery Pack
Battery ID NP-FZ100 NP-FW50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, continuous)
Time lapse recording
Type of storage SD/SDHC/SDXC card (UHS-II supported) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Price at launch $1,800 $1,698