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Sony A9 vs Sony RX10 IV

Portability
65
Imaging
73
Features
93
Overall
81
Sony Alpha A9 front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
53
Features
82
Overall
64

Sony A9 vs Sony RX10 IV Key Specs

Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Raise to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 673g - 127 x 96 x 63mm
  • Launched April 2017
  • Renewed by Sony A9 II
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Push to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Revealed September 2017
  • Replaced the Sony RX10 III
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Sony A9 vs Sony RX10 IV Overview

Its time to look more closely at the Sony A9 vs Sony RX10 IV, one is a Pro Mirrorless and the latter is a Large Sensor Superzoom and they are both designed by Sony. The sensor resolution of the A9 (24MP) and the RX10 IV (20MP) is relatively similar but the A9 (Full frame) and RX10 IV (1") enjoy different sensor measurements.

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The A9 was launched 4 months before the RX10 IV which means that they are of a similar generation. Both the cameras offer different body type with the Sony A9 being a SLR-style mirrorless camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before we go through a full comparison, below is a simple introduction of how the A9 matches up against the RX10 IV in regards to portability, imaging, features and an overall score.

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Reasons to pick Sony A9 over the Sony RX10 IV

 A9 RX10 IV 

Reasons to pick Sony RX10 IV over the Sony A9

 RX10 IV A9 

Common features in the Sony A9 and Sony RX10 IV

 A9 RX10 IV 
RevealedApril 2017September 2017Similar generation
Manual focus Very exact focusing
Screen typeTiltingTiltingTilting screen
Screen sizing3"3"Equivalent screen measurements
Screen resolution1440k1440kExact same screen resolution
Selfie screen Lack of selfie screen
Touch friendly screen Quickly navigate

Sony A9 vs Sony RX10 IV Physical Comparison

When you are planning to carry around your camera, you are going to need to think about its weight and measurements. The Sony A9 comes with outer measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") accompanied by a weight of 673 grams (1.48 lbs) whilst the Sony RX10 IV has proportions of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") and a weight of 1095 grams (2.41 lbs).

Take a look at the Sony A9 vs Sony RX10 IV in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at that time. The following is the front view measurements comparison of the A9 and the RX10 IV.

Sony A9 vs Sony RX10 IV size comparison

Taking into account size and weight, the portability grade of the A9 and RX10 IV is 65 and 52 respectively.

Sony A9 vs Sony RX10 IV top view buttons comparison

Sony A9 vs Sony RX10 IV Sensor Comparison

Usually, it can be hard to visualize the difference between sensor sizes only by going over specs. The image here might provide you a much better sense of the sensor measurements in the A9 and RX10 IV.

All in all, both of the cameras enjoy different megapixels and different sensor sizes. The A9 featuring a bigger sensor is going to make getting bokeh simpler and the Sony A9 will offer you greater detail utilizing its extra 4MP. Higher resolution will make it easier to crop photographs far more aggressively.

Sony A9 vs Sony RX10 IV sensor size comparison

Sony A9 vs Sony RX10 IV Screen and ViewFinder

Sony A9 vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A9 as a Portrait photography camera
Sony RX10 IV as a Portrait photography camera
83
you can focus manually
MP count good (24MP)
great sensor size (Full frame)
offers face detect focusing
saves RAW formats
71
manual focus
flash sync speed is above average (1/2,000 seconds)
megapixel count good (20 megapixels)
decent sensor size (1")
has face detection focus
supports RAW files
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Street Comparison

Sony A9 as a Street photography camera
Sony RX10 IV as a Street photography camera
79
screen tilts
built in image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
saves RAW formats
offers focus via touch
weather proof
above average high ISO (51,200)
64
tilting screen
has image stabilization (Optical)
decent sensor size (1")
supports RAW files
comes with focus by touch
environment proof
more heavy than competitors in class (1,095 grams)
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Sports Comparison

Sony A9 Sports photography advice
Sony RX10 IV Sports photography advice
86
max shutter speed is good (1/8,000s)
quiet mode (1/32,000s)
high frames per second (20.0 frames/s)
built in image stabilization (Sensor based 5-axis)
MP count good (24MP)
great sensor size (Full frame)
offers tracking focus
weather proof
good battery (650 CIPA)
sensor has phase detect AF
76
incredible zoom range (24-600mm 25.0 x zoom)
quiet shooting (1/32,000 seconds)
fast shooting (24.0 frames per second)
has image stabilization (Optical)
megapixel count good (20 megapixels)
decent sensor size (1")
has tracking autofocus
environment proof
comes with phase detect auto focus
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Travel Comparison

Travel photography with Sony A9
Travel photography with Sony RX10 IV
73
good battery (650 CIPA)
weather proof
has bluetooth
offers focus via touch
MP count good (24MP)
doesn't offer selfie friendly display
56
environment proof
supports bluetooth
comes with focus by touch
megapixel count good (20 megapixels)
flash built-in
fairly wide (24mm)
great zoom (600mm)
no Timelapse mode
more heavy than competitors in class (1,095 grams)
display isn't selfie friendly
slow maximum aperture (f2.4)
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Landscape Comparison

Sony A9 Landscape photography features
Sony RX10 IV Landscape photography features
85
you can focus manually
switch lenses (Sony E mount)
screen is a good size (3 inch)
built in image stabilization (Sensor based 5-axis)
MP count good (24MP)
great sensor size (Full frame)
above average high ISO (51,200)
saves RAW formats
weather proof
good battery (650 shots)
two card slots
62
manual focus
fairly wide (24mm)
pretty good screen size (3")
has image stabilization (Optical)
megapixel count good (20MP)
decent sensor size (1")
supports RAW files
environment proof
cannot switch lens (fixed lens mount)
slow maximum aperture (f2.4)
no Timelapse mode
Photography Glossary

Vlogging Comparison

Sony A9 Vlogging advice
Sony RX10 IV Vlogging advice
36
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
offers face detect focusing
great video quality (3840 x 2160 resolution)
includes mic socket
doesn't offer selfie friendly display
29
fairly wide (24mm)
touch screen
has image stabilization (Optical)
has face detection focus
video resolution high (3840 x 2160 pixels)
does have external microphone port
slow maximum aperture (f2.4)
display isn't selfie friendly
more heavy than competitors in class (1,095g)
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Sony A9 vs Sony RX10 IV Specifications

Detailed spec comparison table for Sony A9 and Sony RX10 IV
 Sony Alpha A9Sony Cyber-shot DSC-RX10 IV
General Information
Brand Name Sony Sony
Model Sony Alpha A9 Sony Cyber-shot DSC-RX10 IV
Category Pro Mirrorless Large Sensor Superzoom
Launched 2017-04-19 2017-09-12
Body design SLR-style mirrorless SLR-like (bridge)
Sensor Information
Powered by BIONZ X Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor measurements 35.6 x 23.8mm 13.2 x 8.8mm
Sensor surface area 847.3mm² 116.2mm²
Sensor resolution 24 megapixel 20 megapixel
Anti aliasing 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 12800
Highest enhanced ISO 204800 25600
Minimum native ISO 100 125
RAW support
Minimum enhanced ISO 50 64
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 693 315
Lens
Lens mounting type Sony E fixed lens
Lens focal range - 24-600mm (25.0x)
Max aperture - f/2.4-4.0
Macro focus range - 3cm
Number of lenses 121 -
Focal length multiplier 1 2.7
Screen
Display type Tilting Tilting
Display sizing 3" 3"
Display resolution 1,440k dot 1,440k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,686k dot 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.7x
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/2000s
Max quiet shutter speed 1/32000s 1/32000s
Continuous shutter speed 20.0 frames/s 24.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range no built-in flash 10.80 m (at Auto ISO)
Flash modes Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync Auto, fill-flash, slow sync, rear sync, off
External flash
AEB
WB bracketing
Max flash sync - 1/2000s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 3840x2160 3840x2160
Video data format MPEG-4, AVCHD, H.264 MPEG-4, AVCHD, XAVC S
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 673 gr (1.48 pounds) 1095 gr (2.41 pounds)
Dimensions 127 x 96 x 63mm (5.0" x 3.8" x 2.5") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO Overall score 92 not tested
DXO Color Depth score 24.9 not tested
DXO Dynamic range score 13.3 not tested
DXO Low light score 3517 not tested
Other
Battery life 650 images 400 images
Form of battery Battery Pack Battery Pack
Battery model NP-FZ100 NP-FW50
Self timer Yes (2, 5, 10 secs + continuous) Yes (2 or 10 sec, continuous)
Time lapse shooting
Storage media Dual SD/SDHC/SDXC slots (UHS-II compatible) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots 2 Single
Retail cost $4,498 $1,698