Sony A7R III vs Sony A390

Sony Alpha A7R III front
Sony Alpha DSLR-A390 front

Sony A7R III vs Sony A390 Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Bump to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Released October 2017
  • Old Model is Sony A7R II
  • Renewed by Sony A7R IV
Sony A390
(Full Review)
  • 14MP - APS-C Sensor
  • 2.7" Tilting Display
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 549g - 128 x 97 x 86mm
  • Announced July 2010
  • Older Model is Sony A380
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Sony A7R III vs Sony A390 Overview

Below, we are matching up the Sony A7R III and Sony A390, former being a Pro Mirrorless while the other is a Entry-Level DSLR and both of them are built by Sony. There exists a substantial gap between the resolutions of the A7R III (42MP) and A390 (14MP) and the A7R III (Full frame) and A390 (APS-C) use different sensor sizing.

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The A7R III was unveiled 7 years later than the A390 and that is quite a big difference as far as technology is concerned. Both of these cameras come with different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony A390 being a Compact SLR camera.

Before delving straight into a in depth comparison, below is a brief summary of how the A7R III scores against the A390 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Sony A7R III over the Sony A390

 A7R III A390 
AnnouncedOctober 2017July 2010Fresher by 89 months
Display dimension3"2.7"Larger display (+0.3")
Display resolution1440k230kClearer display (+1210k dot)
Touch display Easily navigate

Reasons to pick Sony A390 over the Sony A7R III

 A390 A7R III 

Common features in the Sony A7R III and Sony A390

 A7R III A390 
Manual focus Dial accurate focus
Display typeTiltingTiltingTilting display
Selfie screen Absent selfie screen

Sony A7R III vs Sony A390 Physical Comparison

For those who are aiming to carry your camera, you will need to think about its weight and volume. The Sony A7R III has exterior dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs) whilst the Sony A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") along with a weight of 549 grams (1.21 lbs).

See the Sony A7R III and Sony A390 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary dependant on the lens you are working with at that time. Below is the front view physical size comparison of the A7R III and the A390.

Sony A7R III vs Sony A390 size comparison

Taking into consideration dimensions and weight, the portability grade of the A7R III and A390 is 63 and 66 respectively.

Sony A7R III vs Sony A390 top view buttons comparison

Sony A7R III vs Sony A390 Sensor Comparison

Quite often, it is hard to picture the gap between sensor sizing just by reading technical specs. The visual here will provide you a clearer sense of the sensor dimensions in the A7R III and A390.

As you have seen, both of those cameras posses different megapixels and different sensor sizing. The A7R III using its larger sensor is going to make shooting shallow depth of field easier and the Sony A7R III will offer greater detail having an extra 28MP. Greater resolution can also enable you to crop photos somewhat more aggressively. The younger A7R III should have a benefit when it comes to sensor technology.

Sony A7R III vs Sony A390 sensor size comparison

Sony A7R III vs Sony A390 Screen and ViewFinder

Sony A7R III vs Sony A390 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III Portrait photography factors
Sony A390 Portrait photography factors
focusing manually
amazing resolution (42MP)
sensor size is large (Full frame)
supports face detect focusing
saves RAW formats
manual focus
megapixel count good (14 megapixels)
sensor size is nice (APS-C)
comes with face detection autofocus
exports RAW files
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Street Comparison

Sony A7R III Street photography factors
Sony A390 Street photography factors
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
saves RAW formats
boasts touch to focus
weather sealing
above average high ISO (32,000)
screen tilts
image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW files
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Sports Comparison

Sports photography with Sony A7R III
Sports photography with Sony A390
high shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
amazing resolution (42 megapixels)
sensor size is large (Full frame)
supports tracking focus
weather sealing
great battery (650 shots)
sensor has phase detect AF
image stabilization (Sensor based)
megapixel count good (14MP)
sensor size is nice (APS-C)
sensor has phase detect autofocus
slow continuous shooting (3.0 frames per second)
terrible battery power (230 CIPA)
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Travel Comparison

Sony A7R III Travel photography factors
Sony A390 Travel photography factors
great battery (650 CIPA)
weather sealing
connects via bluetooth
boasts touch to focus
amazing resolution (42 megapixels)
display is not selfie friendly
megapixel count good (14MP)
flash built-in
no Time Lapse recording
terrible battery power (230 CIPA)
doesn't have selfie friendly display
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Landscape Comparison

Sony A7R III Landscape photography advice
Sony A390 Landscape photography advice
focusing manually
interchangeable lenses (Sony E mount)
good sized screen (3")
built in image stabilization (Sensor based 5-axis)
amazing resolution (42 megapixels)
sensor size is large (Full frame)
does not have anti-alias filter
above average high ISO (32,000)
saves RAW formats
weather sealing
great battery (650 per charge)
two card slots
manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
image stabilization (Sensor based)
megapixel count good (14MP)
sensor size is nice (APS-C)
exports RAW files
tiny screen (2.7 inches)
terrible battery power (230 per charge)
no Time Lapse recording
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Vlogging Comparison

Sony A7R III Vlogging info
Sony A390 Vlogging info
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detect focusing
video res high (3840 x 2160 pxls)
includes microphone socket
display is not selfie friendly
can't record video
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Sony A7R III vs Sony A390 Specifications

Detailed spec comparison table for Sony A7R III and Sony A390
 Sony Alpha A7R IIISony Alpha DSLR-A390
General Information
Make Sony Sony
Model Sony Alpha A7R III Sony Alpha DSLR-A390
Category Pro Mirrorless Entry-Level DSLR
Released 2017-10-25 2010-07-28
Body design SLR-style mirrorless Compact SLR
Sensor Information
Chip Bionz X Bionz
Sensor type BSI-CMOS CCD
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 24mm 23.5 x 15.7mm
Sensor surface area 861.6mm² 369.0mm²
Sensor resolution 42MP 14MP
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest resolution 7952 x 5304 4592 x 3056
Highest native ISO 32000 3200
Highest boosted ISO 102400 -
Min native ISO 100 100
RAW files
Min boosted ISO 50 -
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 425 9
Lens mounting type Sony E Sony/Minolta Alpha
Amount of lenses 121 143
Crop factor 1 1.5
Display type Tilting Tilting
Display size 3 inches 2.7 inches
Resolution of display 1,440 thousand dot 230 thousand dot
Selfie friendly
Touch operation
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder resolution 3,686 thousand dot -
Viewfinder coverage 100% 95%
Viewfinder magnification 0.78x 0.49x
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/8000 secs 1/4000 secs
Continuous shooting speed 10.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 10.00 m (at ISO 100)
Flash settings Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
Auto exposure bracketing
WB bracketing
Highest flash sync - 1/160 secs
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 None
Video file format MPEG-4, AVCHD, XAVC S -
Mic input
Headphone input
Wireless Built-In None
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 657 grams (1.45 pounds) 549 grams (1.21 pounds)
Dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 128 x 97 x 86mm (5.0" x 3.8" x 3.4")
DXO scores
DXO All around score 100 66
DXO Color Depth score 26.0 22.5
DXO Dynamic range score 14.7 11.5
DXO Low light score 3523 607
Battery life 650 images 230 images
Style of battery Battery Pack Battery Pack
Battery model NP-FZ100 NP-FH50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse feature
Storage media Two SD/SDHC/SDXC slots (UHS-II support on one) SD/ SDHC, Memory Stick Pro Duo
Storage slots Dual Single
Price at launch $2,800 $500