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Sony a7C vs Sony a7R III Comparison

The Sony A7c and A7R III are two Mirrorless cameras that we will be comparing in this article. The Sony Alpha A7c is a camera in the Advanced Mirrorless class, whereas the Sony Alpha A7R III is a camera in the Pro Mirrorless class.

The Sony A7c will be released on the market in September 2020, while the Sony A7R III will be released in October 2017. As can be seen, the A7R III is three years older than the A7c. Let’s see if the age difference between the two cameras makes a significant impact on their performance.

Key Specifications

Sony A7c Key Specifications

  • Announcement Date: 2020-09-14
  • 24MP – Full frame BSI-CMOS Sensor
  • ISO 100 – 51200 ( expands to 50 – 204800)
  • Sony E Mount
  • Sensor-shift Image Stabilization
  • 3.00″ Fully articulated Screen
  • 2360k dot Electronic viewfinder
  • 10.0fps continuous shooting
  • 4K (UHD) – 3840 x 2160 video resolution
  • 120fps High-Speed Video
  • Built-in Wireless
  • 509g. 124 x 71 x 60 mm
  • Weather Sealed Body

Sony a7R III Key Specifications

  • Basic Specifications
  • Full model name: Sony Alpha ILCE-A7R III
  • Resolution: 42.40 Megapixels
  • Sensor size: 35mm
  • (35.9mm x 24.0mm)
  • Kit Lens: n/a
  • Viewfinder: EVF / LCD
  • Native ISO: 100 – 32,000
  • Extended ISO: 50 – 102,400
  • Shutter: 1/8000 – 30 sec
  • Dimensions: 5.0 x 3.8 x 2.9 in.
  • (127 x 96 x 74 mm)
  • Weight: 23.2 oz (657 g)
  • includes batteries
Sony a7C vs Sony a7R IIIVersus subline
Sony a7C
VS
Sony a7R III
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LaunchedVersus subline
Sep 15, 2020
VS
Oct 25, 2017
Body TypeVersus subline
Rangefinder-style mirrorless
VS
SLR-style mirrorless
Build MaterialVersus subline
Magnesium alloy
VS
Magnesium alloy
Lens MountVersus subline
Sony E-Mount
VS
Sony E-Mount
Sensor TypeVersus subline
BSI-CMOS
VS
BSI-CMOS
Mega PixelsVersus subline
24 megapixels
VS
42 megapixels
ProcessorVersus subline
BIONZ X
VS
BIONZ X
ISOVersus subline
Auto, 100-51200 (expands to 50-204800)
VS
Auto, 100-32000 (expands to 50-102400)
Image stabilizationVersus subline
Sensor-shift 5-axis
VS
Sensor-shift 5-axis
File formatVersus subline
JPEG (Exif v2.32)
Raw (Sony ARW, 14-bit)
VS
JPEG (DCF 2.0, EXIF v2.31)
RAW (Sony 14-bit ARW v2.3)
Focus PointsVersus subline
693
VS
399
Screen sizeVersus subline
3″
VS
3″
Screen dotsVersus subline
921,600
VS
1,440,000
Touch screenVersus subline
Yes
VS
Yes
ViewfinderVersus subline
Electronic
VS
Electronic
Adjustable LCDVersus subline
Fully articulated
VS
Tilting
Continuous ShootingVersus subline
10.0 fps
VS
10.0 fps
RAW SupportVersus subline
Raw (Sony ARW, 14-bit)
VS
RAW (Sony 14-bit ARW v2.3)
Video Record LimitVersus subline
Unlimited
VS
UnLimited
Timelapse RecordingVersus subline
Yes
VS
No
Face DetectionVersus subline
Yes
VS
Yes
Eye Tracking FocusVersus subline
Yes
VS
Yes
Selfie/Vlogger FriendlyVersus subline
Yes
VS
No
Wireless ConnectionVersus subline
Yes
VS
Yes
Bluetooth ConnectionVersus subline
Yes
VS
Yes
Built-in FlashVersus subline
No
VS
No
External FlashVersus subline
Yes (via hot shoe)
VS
Yes (via hot shoe or flash sync port)
Headphone PortVersus subline
Yes
VS
Yes
Microphone PortVersus subline
Yes
VS
Yes
Environmental SealingVersus subline
Yes
VS
Yes
AE BracketingVersus subline
Yes
VS
Yes
NFC ConnectionVersus subline
Yes
VS
Yes
Smartphone RemoteVersus subline
Yes
VS
Yes
UHS Card SupportVersus subline
Yes
VS
Two SD/SDHC/SDXC slots (UHS-II support on one)
Webcam FunctionVersus subline
Yes
VS
Yes
Weight
509 g
VS
657 g
Battery LifeVersus subline
740
VS
650

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