Sony A7c vs Sony A6400

Sony Alpha A7c front
Sony Alpha a6400 front

Sony A7c vs Sony A6400 Key Specs

Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 51200 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Released September 2020
Sony A6400
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Boost to 102400)
  • 3840 x 2160 video
  • Sony E Mount
  • 403g - 120 x 67 x 50mm
  • Announced January 2019
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Sony A7c vs Sony A6400 Overview

Here is a detailed assessment of the Sony A7c versus Sony A6400, both Advanced Mirrorless digital cameras and both are manufactured by Sony. The resolution of the A7c (24MP) and the A6400 (24MP) is very well matched but the A7c (Full frame) and A6400 (APS-C) come with different sensor dimensions.

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The A7c was announced 21 months later than the A6400 making the cameras a generation apart from one another. Each of the cameras offer the identical body type (Rangefinder-style mirrorless).

Before diving through a in-depth comparison, below is a concise highlight of how the A7c matches up vs the A6400 for portability, imaging, features and an overall rating.

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Reasons to pick Sony A7c over the Sony A6400

 A7c A6400 
AnnouncedSeptember 2020January 2019Fresher by 21 months
Display typeFully articulatedTiltingFully Articulating display

Reasons to pick Sony A6400 over the Sony A7c

 A6400 A7c 

Common features in the Sony A7c and Sony A6400

 A7c A6400 
Focus manually Very accurate focus
Display sizing3"3"Equivalent display sizing
Display resolution922k922kThe same display resolution
Selfie screen Both good for selfies
Touch friendly display Easily navigate

Sony A7c vs Sony A6400 Physical Comparison

For anyone who is going to carry your camera, you're going to have to take into account its weight and dimensions. The Sony A7c features exterior measurements of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") with a weight of 509 grams (1.12 lbs) whilst the Sony A6400 has dimensions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") with a weight of 403 grams (0.89 lbs).

See the Sony A7c versus Sony A6400 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at that moment. Underneath is the front view over all size comparison of the A7c against the A6400.

Sony A7c vs Sony A6400 size comparison

Considering dimensions and weight, the portability rating of the A7c and A6400 is 78 and 83 respectively.

Sony A7c vs Sony A6400 top view buttons comparison

Sony A7c vs Sony A6400 Sensor Comparison

More often than not, it is very difficult to imagine the gap between sensor sizing simply by checking specs. The graphic here will help offer you a more clear sense of the sensor measurements in the A7c and A6400.

As you can plainly see, each of the cameras offer the same exact megapixels but different sensor sizing. The A7c uses the larger sensor which should make obtaining shallower depth of field easier. The more recent A7c provides an advantage with regard to sensor technology.

Sony A7c vs Sony A6400 sensor size comparison

Sony A7c vs Sony A6400 Screen and ViewFinder

Sony A7c vs Sony A6400 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7c Portrait photography information
Sony A6400 Portrait photography information
you can focus manually
MP count decent (24MP)
big sensor size (Full frame)
offers face detection focus
saves RAW files
can't use external flash
you can focus manually
decent megapixels (24MP)
good sensor size (APS-C)
supports face detection focus
supports RAW files
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Street Comparison

Sony A7c as a Street photography camera
Sony A6400 as a Street photography camera
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
comes with focus via touch
environment sealing
great high ISO (51,200)
tilting screen
good sensor size (APS-C)
supports RAW files
features focus by touch
weather sealing
great ISO range (32,000)
does not have image stabilization
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Sports Comparison

Sony A7c Sports photography information
Sony A6400 Sports photography information
silent mode (1/8,000s)
built in image stabilization (Sensor based 5-axis)
MP count decent (24MP)
big sensor size (Full frame)
offers tracking autofocus
environment sealing
good battery (740 shots)
comes with phase detect auto focus
decent megapixels (24MP)
good sensor size (APS-C)
supports tracking autofocus
weather sealing
supports phase detect auto focus
does not have image stabilization
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Travel Comparison

Sony A7c Travel photography highlights
Sony A6400 Travel photography highlights
good battery (740 per charge)
environment sealing
connects via bluetooth
comes with focus via touch
MP count decent (24MP)
selfie friendly screen
weather sealing
connects via bluetooth
features focus by touch
decent megapixels (24 megapixels)
flash built-in
selfie friendly display
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Landscape Comparison

Sony A7c Landscape photography advice
Sony A6400 Landscape photography advice
you can focus manually
swap lenses (Sony E mount)
screen size is good (3 inch)
built in image stabilization (Sensor based 5-axis)
MP count decent (24MP)
big sensor size (Full frame)
great high ISO (51,200)
saves RAW files
environment sealing
good battery (740 per charge)
you can focus manually
change lenses (Sony E mount)
nice screen size (3 inch)
decent megapixels (24MP)
good sensor size (APS-C)
great ISO range (32,000)
supports RAW files
weather sealing
does not have image stabilization
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Vlogging Comparison

Sony A7c Vlogging information
Sony A6400 Vlogging information
selfie friendly screen
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
offers face detection focus
video res high (3840 x 2160 pxls)
does have external microphone support
selfie friendly display
touch screen
supports face detection focus
video resolution high (3840 x 2160 resolution)
comes with external microphone support
does not have image stabilization
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Sony A7c vs Sony A6400 Specifications

Detailed spec comparison table for Sony A7c and Sony A6400
 Sony Alpha A7cSony Alpha a6400
General Information
Manufacturer Sony Sony
Model Sony Alpha A7c Sony Alpha a6400
Category Advanced Mirrorless Advanced Mirrorless
Released 2020-09-14 2019-01-15
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Powered by - Bionz X
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.8 x 23.8mm 23.5 x 15.6mm
Sensor area 852.0mm² 366.6mm²
Sensor resolution 24 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 3:2 and 16:9 1:1, 3:2 and 16:9
Max resolution 6000 x 4000 6000 x 4000
Max native ISO 51200 32000
Max enhanced ISO 204800 102400
Minimum native ISO 100 100
RAW images
Minimum enhanced ISO 50 -
Manual focus
Touch to 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
Number of focus points 693 425
Lens mounting type Sony E Sony E
Number of lenses 122 121
Crop factor 1 1.5
Screen type Fully articulated Tilting
Screen size 3 inches 3 inches
Screen resolution 922k dots 922k dots
Selfie friendly
Touch operation
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.59x 0.7x
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/4000s
Max silent shutter speed 1/8000s -
Continuous shutter rate 10.0fps 11.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash range no built-in flash 6.00 m (at ISO 100)
Flash settings no built-in flash Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync
External flash
WB bracketing
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Max video resolution 3840x2160 3840x2160
Video format MPEG-4, XAVC S, H.264 MPEG-4, H.264, XAVC-S
Microphone support
Headphone support
Wireless Built-In Built-In
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 509 gr (1.12 lb) 403 gr (0.89 lb)
Dimensions 124 x 71 x 60mm (4.9" x 2.8" x 2.4") 120 x 67 x 50mm (4.7" x 2.6" x 2.0")
DXO scores
DXO Overall score not tested 83
DXO Color Depth score not tested 24.0
DXO Dynamic range score not tested 13.6
DXO Low light score not tested 1431
Battery life 740 photos 410 photos
Battery style Battery Pack Battery Pack
Battery model NP-FZ100 NP-FW50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes
Time lapse shooting
Storage type SD/SDHC/SDXC card (UHS-II supported) SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant)
Card slots 1 1
Launch pricing $1,800 $898