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Sony RX100 vs Sony A99

Portability
91
Imaging
50
Features
68
Overall
57
Sony Cyber-shot DSC-RX100 front
 
Sony SLT-A99 front
Portability
57
Imaging
69
Features
88
Overall
76

Sony RX100 vs Sony A99 Key Specs

Sony RX100
(Full Review)
  • 20MP - 1" Sensor
  • 3" Fixed Display
  • ISO 100 - 25600
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 240g - 102 x 58 x 36mm
  • Announced August 2012
  • Successor is Sony RX100 II
Sony A99
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 812g - 147 x 111 x 78mm
  • Revealed December 2012
  • Superseded the Sony A900
  • Refreshed by Sony A99 II
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Sony RX100 vs Sony A99 Overview

In this write-up, we are contrasting the Sony RX100 and Sony A99, one is a Large Sensor Compact and the other is a Advanced DSLR and both are sold by Sony. The sensor resolution of the RX100 (20MP) and the A99 (24MP) is very well matched but the RX100 (1") and A99 (Full frame) feature totally different sensor size.

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The RX100 was released 3 months before the A99 which means that they are of a similar generation. Both the cameras offer different body type with the Sony RX100 being a Large Sensor Compact camera and the Sony A99 being a Mid-size SLR camera.

Before delving in to a step-by-step comparison, below is a brief synopsis of how the RX100 scores against the A99 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Sony RX100 over the Sony A99

 RX100 A99 

Reasons to pick Sony A99 over the Sony RX100

 A99 RX100 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Common features in the Sony RX100 and Sony A99

 RX100 A99 
RevealedAugust 2012December 2012Similar generation
Manual focus Dial precise focusing
Display sizing3"3"Equivalent display size
Display resolution1229k1229kIdentical display resolution
Touch friendly display Lack of Touch friendly display

Sony RX100 vs Sony A99 Physical Comparison

For anybody who is looking to travel with your camera often, you are going to need to consider its weight and size. The Sony RX100 enjoys exterior dimensions of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") along with a weight of 240 grams (0.53 lbs) while the Sony A99 has specifications 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 RX100 and Sony A99 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you use at that time. Underneath is the front view overall size comparison of the RX100 vs the A99.

Sony RX100 vs Sony A99 size comparison

Taking into account size and weight, the portability grade of the RX100 and A99 is 91 and 57 respectively.

Sony RX100 vs Sony A99 top view buttons comparison

Sony RX100 vs Sony A99 Sensor Comparison

In many cases, it can be difficult to see the contrast between sensor dimensions just by checking specs. The picture here will provide you a far better sense of the sensor sizes in the RX100 and A99.

All in all, each of these cameras enjoy different megapixel count and different sensor dimensions. The RX100 featuring a tinier sensor will make shooting shallow DOF more difficult and the Sony A99 will give more detail as a result of its extra 4 Megapixels. Greater resolution will also help you crop images far more aggressively.

Sony RX100 vs Sony A99 sensor size comparison

Sony RX100 vs Sony A99 Screen and ViewFinder

Sony RX100 vs Sony A99 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony RX100 as a Portrait photography camera
Sony A99 as a Portrait photography camera
64
manual focus
above average flash sync (1/2,000s)
megapixel count decent (20 megapixels)
sensor size is good (1")
features face detect focusing
supports RAW files
can't use external flash
81
manual focus
resolution is good (24MP)
sensor size is great (Full frame)
provides face detect autofocus
delivers RAW files
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Street Comparison

Street photography with Sony RX100
Street photography with Sony A99
79
built in image stabilization (Optical)
sensor size is good (1")
supports RAW files
lighter than competition (240 grams)
very good ISO range (25,600)
screen does not articulate
75
screen can move to multiple angles
has image stabilization (Sensor based)
sensor size is great (Full frame)
delivers RAW files
environment proofing
great ISO range (25,600)
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Sports Comparison

Sports photography with Sony RX100
Sports photography with Sony A99
65
built in image stabilization (Optical)
megapixel count decent (20MP)
sensor size is good (1")
features tracking focus
does not have phase detect AF
78
great max shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
resolution is good (24 megapixels)
sensor size is great (Full frame)
provides tracking focus
environment proofing
sensor has phase detect autofocus
bad battery life (500 CIPA)
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Travel Comparison

Sony RX100 Travel photography advice
Sony A99 Travel photography advice
79
lighter than competition (240g)
megapixel count decent (20 megapixels)
built-in flash
pretty wide (28mm)
very good max aperture (f1.8)
does not contain selfie friendly screen
60
environment proofing
resolution is good (24 megapixels)
selfie friendly display
doesn't have Timelapse recording
bad battery life (500 per charge)
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Landscape Comparison

Sony RX100 Landscape photography details
Sony A99 Landscape photography details
74
manual focus
pretty wide (28mm)
very good max aperture (f1.8)
nice screen size (3")
built in image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is good (1")
very good ISO range (25,600)
supports RAW files
fixed lens (fixed lens mount)
74
manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
nice screen size (3")
has image stabilization (Sensor based)
resolution is good (24 megapixels)
sensor size is great (Full frame)
great ISO range (25,600)
delivers RAW files
environment proofing
2 card slots
bad battery life (500 shots)
doesn't have Timelapse recording
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Vlogging Comparison

Vlogging with Sony RX100
Vlogging with Sony A99
38
pretty wide (28mm)
very good max aperture (f1.8)
built in image stabilization (Optical)
features face detect focusing
video resolution high (1920 x 1080 resolution)
lighter than competition (240g)
does not contain selfie friendly screen
lack of microphone port
76
selfie friendly display
has image stabilization (Sensor based)
provides face detect autofocus
high res video (1920 x 1080 resolution)
includes microphone support
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Sony RX100 vs Sony A99 Specifications

Detailed spec comparison table for Sony RX100 and Sony A99
 Sony Cyber-shot DSC-RX100Sony SLT-A99
General Information
Company Sony Sony
Model Sony Cyber-shot DSC-RX100 Sony SLT-A99
Type Large Sensor Compact Advanced DSLR
Announced 2012-08-28 2012-12-12
Physical type Large Sensor Compact Mid-size SLR
Sensor Information
Processor - Bionz
Sensor type CMOS CMOS
Sensor size 1" Full frame
Sensor measurements 13.2 x 8.8mm 35.8 x 23.8mm
Sensor area 116.2mm² 852.0mm²
Sensor resolution 20MP 24MP
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 25600 25600
Min native ISO 100 100
RAW images
Autofocusing
Manual focus
Autofocus touch
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 25 19
Cross focus points - 11
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 28-100mm (3.6x) -
Maximum aperture f/1.8-4.9 -
Macro focus range 5cm -
Available lenses - 143
Focal length multiplier 2.7 1
Screen
Type of display Fixed Type Fully Articulated
Display size 3 inches 3 inches
Display resolution 1,229k dots 1,229k dots
Selfie friendly
Liveview
Touch screen
Display tech WhiteMagic TFT LCD TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.71x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/2000 seconds 1/8000 seconds
Continuous shutter rate 10.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range - no built-in flash
Flash options Auto, On, Off, Slow Sync 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 synchronize 1/2000 seconds 1/250 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1920x1080 1920x1080
Video data format MPEG-4, AVCHD MPEG-4, AVCHD, H.264
Microphone support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 240g (0.53 pounds) 812g (1.79 pounds)
Dimensions 102 x 58 x 36mm (4.0" x 2.3" x 1.4") 147 x 111 x 78mm (5.8" x 4.4" x 3.1")
DXO scores
DXO Overall score 66 89
DXO Color Depth score 22.6 25.0
DXO Dynamic range score 12.4 14.0
DXO Low light score 390 1555
Other
Battery life 330 images 500 images
Style of battery Battery Pack Battery Pack
Battery model NP-BX1 NP-FM500H
Self timer Yes (2 or 10 sec, Portrait 1/2) Yes (2 or 10 sec)
Time lapse shooting With downloadable app
Storage type SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC
Card slots One 2
Retail price $448 $1,998