Do you want to know what's better Sony Alpha a9 or Sony Alpha a7R III? SpecsPRO has compared Sony Alpha a9 vs Sony Alpha a7R III: weight, battery, sensor, resolution, ISO, dynamic range and other important specifications.

Sony Alpha a9 vs Sony Alpha a7R III

  • Main

  • Model

  • Price

  • Advantages

  • launch

  • Announced

  • Body type

  • Camera subcategory

  • Sensor

  • Effective pixels

  • Max resolution

  • Sensor size

  • Sensor type

  • Processor

  • Image ratio w:h

  • Sensor photo detectors

  • Image

  • ISO

  • Boosted ISO (minimum)

  • Boosted ISO (maximum)

  • White balance presets

  • Custom white balance

  • Image stabilization

  • Image stabilization notes

  • Uncompressed format

  • JPEG quality levels

  • CIPA image stabilization rating

  • Photography features

  • Minimum shutter speed

  • Maximum shutter speed

  • Maximum shutter speed (electronic)

  • Aperture priority

  • Shutter priority

  • Manual exposure mode

  • Subject / scene modes

  • Built-in flash

  • External flash

  • Flash modes

  • Continuous drive

  • Self-timer

  • Metering modes

  • Exposure compensation

  • AE Bracketing

  • WB Bracketing

  • Screen / viewfinder

  • Articulated LCD

  • Screen size

  • Screen dots

  • Touch screen

  • Screen type

  • Live view

  • Viewfinder type

  • Viewfinder coverage

  • Viewfinder magnification

  • Viewfinder resolution

  • Videography features

  • File Format

  • Microphone

  • Speaker

  • Optics & Focus

  • Autofocus

  • Number of focus points

  • Lens mount

  • Focal length multiplier

  • Digital zoom

  • Manual focus

  • Physical

  • Weight (inc. batteries)

  • Dimensions

  • Environmentally sealed

  • Battery

  • Battery details

  • Battery Life (CIPA)

  • Storage

  • Storage types

  • Connectivity

  • USB

  • HDMI

  • Microphone port

  • Headphone port

  • Wireless

  • Wireless notes

  • Remote control

  • Other features

  • Orientation sensor

  • GPS

  • Timelapse recording

  • Samples

  • Videos

Sony Alpha a7R III
  • Main

  • Model

    Sony Alpha a7R III

  • Price

  • Advantages

  • SENSOR Effective pixels: 42 megapixels

    SENSOR Max resolution: 7952 x 5304

    SENSOR Sensor photo detectors: 44 megapixels

    PHOTOGRAPHY FEATURES Subject / scene modes: Yes

    PHYSICAL Weight (inc. batteries): 657 g (1.45 lb / 23.17 oz)

    Go to the Summary

  • launch

  • Announced

    2017

  • Body type

  • Camera subcategory

    SLR-style mirrorless

  • Sensor

  • Effective pixels

    24 megapixels

  • Max resolution

    6000 x 4000

  • Sensor size

    Full frame (35.6 x 23.8 mm)

  • Sensor type

    BSI-CMOS

  • Processor

    BIONZ X

  • Image ratio w:h

    3:2, 16:9

  • Sensor photo detectors

    28 megapixels

  • Image

  • ISO

    Auto, ISO 100-51200 (expands to 50-204800)

  • Boosted ISO (minimum)

    50

  • Boosted ISO (maximum)

    204800

  • White balance presets

    10

  • Custom white balance

    Yes

  • Image stabilization

    Sensor-shift

  • Image stabilization notes

    5-axis

  • Uncompressed format

    RAW

  • JPEG quality levels

    Extra fine, fine, standard

  • CIPA image stabilization rating

  • Photography features

  • Minimum shutter speed

    30 sec

  • Maximum shutter speed

    1/8000 sec

  • Maximum shutter speed (electronic)

    1/32000 sec

  • Aperture priority

    Yes

  • Shutter priority

    Yes

  • Manual exposure mode

    Yes

  • Subject / scene modes

    No

  • Built-in flash

    No

  • External flash

    Yes (via hot shoe or flash sync port)

  • Flash modes

    Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync

  • Continuous drive

    20.0 fps

  • Self-timer

    Yes (2, 5, 10 secs + continuous)

  • Metering modes

    • Multi
    • Center-weighted
    • Highlight-weighted
    • Average
    • Spot

  • Exposure compensation

    ±5 (at 1/3 EV, 1/2 EV steps)

  • AE Bracketing

    ±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)

  • WB Bracketing

    Yes (3 frames, H/L selectable)

  • Screen / viewfinder

  • Articulated LCD

    Tilting

  • Screen size

    3

  • Screen dots

    1,440,000

  • Touch screen

    Yes

  • Screen type

    TFT LCD

  • Live view

    Yes

  • Viewfinder type

    Electronic

  • Viewfinder coverage

    100%

  • Viewfinder magnification

    0.78×

  • Viewfinder resolution

    3,686,400

  • Videography features

  • File Format

    MPEG-4, AVCHD, H.264

  • Microphone

    Stereo

  • Speaker

    Mono

  • Optics & Focus

  • Autofocus

    • Contrast Detect (sensor)
    • Phase Detect
    • Multi-area
    • Center
    • Selective single-point
    • Tracking
    • Single
    • Continuous
    • Touch
    • Face Detection
    • Live View

  • Number of focus points

    693

  • Lens mount

    Sony E

  • Focal length multiplier

    1×

  • Digital zoom

  • Manual focus

  • Physical

  • Weight (inc. batteries)

    673 g (1.48 lb / 23.74 oz)

  • Dimensions

    127 x 96 x 63 mm (5 x 3.78 x 2.48)

  • Environmentally sealed

    Yes

  • Battery

    Battery Pack

  • Battery details

    NP-FZ100

  • Battery Life (CIPA)

    650

  • Storage

  • Storage types

    Dual SD/SDHC/SDXC slots (UHS-II compatible)

  • Connectivity

  • USB

    USB 2.0 (480 Mbit/sec)

  • HDMI

    Yes (micro-HDMI)

  • Microphone port

    Yes

  • Headphone port

    Yes

  • Wireless

    Built-In

  • Wireless notes

    802.11b/g/n + NFC + Bluetooth

  • Remote control

    Yes (Wired or wireless)

  • Other features

  • Orientation sensor

    Yes

  • GPS

    None

  • Timelapse recording

  • ————

  • Watch video reviews

  • launch

  • Announced

    2017

  • Body type

  • Camera subcategory

    SLR-style mirrorless

  • Sensor

  • Effective pixels

    42 megapixels

  • Max resolution

    7952 x 5304

  • Sensor size

    Full frame (35.9 x 24 mm)

  • Sensor type

    BSI-CMOS

  • Processor

    Bionz X

  • Image ratio w:h

    3:2, 16:9

  • Sensor photo detectors

    44 megapixels

  • Image

  • ISO

    Auto, 100-32000 (expands to 50-102400)

  • Boosted ISO (minimum)

    50

  • Boosted ISO (maximum)

    102400

  • White balance presets

    10

  • Custom white balance

    Yes

  • Image stabilization

    Sensor-shift

  • Image stabilization notes

    5-axis

  • Uncompressed format

    RAW

  • JPEG quality levels

    Extra fine, fine, standard

  • CIPA image stabilization rating

    5.5 stop(s)

  • Photography features

  • Minimum shutter speed

    30 sec

  • Maximum shutter speed

    1/8000 sec

  • Maximum shutter speed (electronic)

  • Aperture priority

    Yes

  • Shutter priority

    Yes

  • Manual exposure mode

    Yes

  • Subject / scene modes

    Yes

  • Built-in flash

    No

  • External flash

    Yes (via hot shoe or flash sync port)

  • Flash modes

    Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync

  • Continuous drive

    10.0 fps

  • Self-timer

    Yes (2 or 10 sec; continuous (3 or 5 exposures))

  • Metering modes

    • Multi
    • Center-weighted
    • Spot

  • Exposure compensation

    ±5 (at 1/3 EV, 1/2 EV steps)

  • AE Bracketing

    ±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)

  • WB Bracketing

    Yes

  • Screen / viewfinder

  • Articulated LCD

    Tilting

  • Screen size

    3

  • Screen dots

    1,440,000

  • Touch screen

    Yes

  • Screen type

    TFT LCD

  • Live view

    Yes

  • Viewfinder type

    Electronic

  • Viewfinder coverage

    100%

  • Viewfinder magnification

    0.78×

  • Viewfinder resolution

    3,686,400

  • Videography features

  • File Format

    MPEG-4, AVCHD, XAVC S

  • Microphone

    Stereo

  • Speaker

    Mono

  • Optics & Focus

  • Autofocus

    • Contrast Detect (sensor)
    • Phase Detect
    • Multi-area
    • Center
    • Selective single-point
    • Tracking
    • Single
    • Continuous
    • Touch
    • Face Detection
    • Live View

  • Number of focus points

    425

  • Lens mount

    Sony E

  • Focal length multiplier

    1×

  • Digital zoom

    Yes

  • Manual focus

    Yes

  • Physical

  • Weight (inc. batteries)

    657 g (1.45 lb / 23.17 oz)

  • Dimensions

    127 x 96 x 74 mm (5 x 3.78 x 2.91)

  • Environmentally sealed

    Yes

  • Battery

    Battery Pack

  • Battery details

    NP-FZ100 lithium-ion battery and charger

  • Battery Life (CIPA)

    650

  • Storage

  • Storage types

    Two SD/SDHC/SDXC slots (UHS-II support on one)

  • Connectivity

  • USB

    USB 3.1 Gen 1(5 GBit/sec)

  • HDMI

    Yes (micro HDMI)

  • Microphone port

    Yes

  • Headphone port

    Yes

  • Wireless

    Built-In

  • Wireless notes

    802.11b/g/n + NFC + Bluetooth

  • Remote control

    Yes (wired, wireless, smartphone)

  • Other features

  • Orientation sensor

    Yes

  • GPS

    None

  • Timelapse recording

    Yes (via downloadable app)

  • ————

  • Watch video reviews

  • Summary

    The Sony Alpha a7R III maximum resolution of 7952 x 5304 pixels (42 megapixels) is better than the Sony Alpha a9 maximum resolution of 6000 x 4000 pixels (24 megapixels). The Sony Alpha a9 offers more focus points in compare with the Sony Alpha a7R III: 693 vs 425. More number of focus points means less risk of losing focus lock during following a moving object.



    The Alpha a7R III weighs 657g which is 16g less than the weight of the Alpha a9.

    Considering the above-mentioned differences the Sony Alpha a7R III will be the best buy. Get the lowest price on Amazon.