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Sony RX10 IV vs Sony A99

Portability
52
Imaging
53
Features
82
Overall
64
Sony Cyber-shot DSC-RX10 IV front
 
Sony SLT-A99 front
Portability
57
Imaging
69
Features
88
Overall
76

Sony RX10 IV vs Sony A99 Key Specs

Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • 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
  • Released September 2017
  • Superseded the Sony RX10 III
Sony A99
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 812g - 147 x 111 x 78mm
  • Introduced December 2012
  • Succeeded the Sony A900
  • Successor is Sony A99 II
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Sony RX10 IV vs Sony A99 Overview

Below, we are matching up the Sony RX10 IV versus Sony A99, former is a Large Sensor Superzoom while the other is a Advanced DSLR and both are produced by Sony. The sensor resolution of the RX10 IV (20MP) and the A99 (24MP) is fairly comparable but the RX10 IV (1") and A99 (Full frame) possess different sensor sizing.

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The RX10 IV was released 4 years after the A99 which is a fairly significant difference as far as camera tech is concerned. Each of the cameras come with different body type with the Sony RX10 IV being a SLR-like (bridge) camera and the Sony A99 being a Mid-size SLR camera.

Before getting through a in depth comparison, below is a quick introduction of how the RX10 IV scores against the A99 in terms of portability, imaging, features and an overall mark.

Photography Glossary
	
	

Reasons to pick Sony RX10 IV over the Sony A99

 RX10 IV A99 
IntroducedSeptember 2017December 2012Newer by 58 months
Display resolution1440k1229kCrisper display (+211k dot)
Touch display Easily navigate

Reasons to pick Sony A99 over the Sony RX10 IV

 A99 RX10 IV 
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Easy selfies

Common features in the Sony RX10 IV and Sony A99

 RX10 IV A99 
Focus manually Dial exact focusing
Display dimension3"3"Identical display measurement

Sony RX10 IV vs Sony A99 Physical Comparison

If you're planning to travel with your camera often, you will have to take into account its weight and dimensions. The Sony RX10 IV provides external dimensions of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") and a weight of 1095 grams (2.41 lbs) while the Sony A99 has dimensions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") having a weight of 812 grams (1.79 lbs).

Check out the Sony RX10 IV versus Sony A99 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary depending on the lens you are employing during that time. Here is the front view size comparison of the RX10 IV vs the A99.

Sony RX10 IV vs Sony A99 size comparison

Looking at size and weight, the portability grade of the RX10 IV and A99 is 52 and 57 respectively.

Sony RX10 IV vs Sony A99 top view buttons comparison

Sony RX10 IV vs Sony A99 Sensor Comparison

Often, it's tough to visualize the contrast in sensor dimensions just by seeing technical specs. The picture underneath should give you a greater sense of the sensor dimensions in the RX10 IV and A99.

As you can tell, the 2 cameras have got different megapixel count and different sensor dimensions. The RX10 IV due to its smaller sensor is going to make shooting bokeh tougher and the Sony A99 will provide more detail as a result of its extra 4MP. Greater resolution can also let you crop photos much more aggressively. The fresher RX10 IV should have an edge in sensor technology.

Sony RX10 IV vs Sony A99 sensor size comparison

Sony RX10 IV vs Sony A99 Screen and ViewFinder

Sony RX10 IV vs Sony A99 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony RX10 IV Portrait photography factors
Sony A99 Portrait photography factors
71
you can focus manually
flash sync speed is above average (1/2,000s)
decent sensor resolution (20 megapixels)
good sensor size (1")
includes face detect focus
supports RAW formats
81
you can focus manually
MP count good (24 megapixels)
large sensor size (Full frame)
includes face detection focus
delivers RAW files
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Street Comparison

Sony RX10 IV as a Street photography camera
Sony A99 as a Street photography camera
64
has a tilting screen
built in image stabilization (Optical)
good sensor size (1")
supports RAW formats
includes touch focus
weather sealing
heavier than competition (1,095 grams)
75
screen articulates
has image stabilization (Sensor based)
large sensor size (Full frame)
delivers RAW files
weather proofing
very good ISO range (25,600)
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Sports Comparison

Sony RX10 IV Sports photography details
Sony A99 Sports photography details
76
excellent zoom range (24-600mm 25.0 x zoom)
silent shutter (1/32,000 seconds)
high fps (24.0 frames per second)
built in image stabilization (Optical)
decent sensor resolution (20MP)
good sensor size (1")
includes tracking focus
weather sealing
has phase detect auto focus
78
max shutter speed is good (1/8,000 seconds)
has image stabilization (Sensor based)
MP count good (24MP)
large sensor size (Full frame)
includes tracking autofocus
weather proofing
comes with phase detect auto focus
terrible battery life (500 per charge)
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Travel Comparison

Sony RX10 IV as a Travel photography camera
Sony A99 as a Travel photography camera
56
weather sealing
connects via bluetooth
includes touch focus
decent sensor resolution (20 megapixels)
flash built-in
pretty wide (24mm)
very long reach (600mm)
does not have Time Lapse function
heavier than competition (1,095 grams)
does not feature selfie friendly screen
sluggish maximum aperture (f2.4)
60
weather proofing
MP count good (24MP)
screen is selfie friendly
does not have Timelapse function
terrible battery life (500 per charge)
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Landscape Comparison

Sony RX10 IV Landscape photography factors
Sony A99 Landscape photography factors
62
you can focus manually
pretty wide (24mm)
screen size is decent (3 inch)
built in image stabilization (Optical)
decent sensor resolution (20 megapixels)
good sensor size (1")
supports RAW formats
weather sealing
can't change lenses (fixed lens mount)
sluggish maximum aperture (f2.4)
does not have Time Lapse function
74
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
screen size is good (3 inches)
has image stabilization (Sensor based)
MP count good (24MP)
large sensor size (Full frame)
very good ISO range (25,600)
delivers RAW files
weather proofing
has double storage slots
terrible battery life (500 per charge)
does not have Timelapse function
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Vlogging Comparison

Vlogging with Sony RX10 IV
Vlogging with Sony A99
29
pretty wide (24mm)
touchscreen capability
built in image stabilization (Optical)
includes face detect focus
high quality video (3840 x 2160 resolution)
has mic jack
sluggish maximum aperture (f2.4)
does not feature selfie friendly screen
heavier than competition (1,095 grams)
76
screen is selfie friendly
has image stabilization (Sensor based)
includes face detection focus
high res video (1920 x 1080 pxls)
does have external microphone port
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Sony RX10 IV vs Sony A99 Specifications

Detailed spec comparison table for Sony RX10 IV and Sony A99
 Sony Cyber-shot DSC-RX10 IVSony SLT-A99
General Information
Manufacturer Sony Sony
Model Sony Cyber-shot DSC-RX10 IV Sony SLT-A99
Type Large Sensor Superzoom Advanced DSLR
Released 2017-09-12 2012-12-12
Body design SLR-like (bridge) Mid-size SLR
Sensor Information
Powered by Bionz X Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1" Full frame
Sensor measurements 13.2 x 8.8mm 35.8 x 23.8mm
Sensor surface area 116.2mm² 852.0mm²
Sensor resolution 20 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 5472 x 3648 6000 x 4000
Maximum native ISO 12800 25600
Maximum enhanced ISO 25600 -
Lowest native ISO 125 100
RAW photos
Lowest enhanced ISO 64 -
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 315 19
Cross focus points - 11
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 24-600mm (25.0x) -
Max aperture f/2.4-4.0 -
Macro focus range 3cm -
Number of lenses - 143
Crop factor 2.7 1
Screen
Range of display Tilting Fully Articulated
Display sizing 3 inch 3 inch
Resolution of display 1,440k dot 1,229k dot
Selfie friendly
Liveview
Touch functionality
Display tech - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,359k dot 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.71x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/2000 secs 1/8000 secs
Fastest quiet shutter speed 1/32000 secs -
Continuous shutter speed 24.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range 10.80 m (at Auto ISO) no built-in flash
Flash modes Auto, fill-flash, slow sync, rear sync, off Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/2000 secs 1/250 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 3840x2160 1920x1080
Video format MPEG-4, AVCHD, XAVC S MPEG-4, AVCHD, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1095 grams (2.41 pounds) 812 grams (1.79 pounds)
Dimensions 133 x 94 x 145mm (5.2" x 3.7" x 5.7") 147 x 111 x 78mm (5.8" x 4.4" x 3.1")
DXO scores
DXO Overall score not tested 89
DXO Color Depth score not tested 25.0
DXO Dynamic range score not tested 14.0
DXO Low light score not tested 1555
Other
Battery life 400 photographs 500 photographs
Form of battery Battery Pack Battery Pack
Battery model NP-FW50 NP-FM500H
Self timer Yes (2 or 10 sec, continuous) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC
Storage slots One Two
Retail pricing $1,698 $1,998