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Sony A7R IV vs Sony T90

Portability
62
Imaging
81
Features
93
Overall
85
Sony Alpha A7R IV front
 
Sony Cyber-shot DSC-T90 front
Portability
96
Imaging
34
Features
26
Overall
30

Sony A7R IV vs Sony T90 Key Specs

Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Boost to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Launched July 2019
  • Superseded the Sony A7R III
  • Successor is Sony A7R V
Sony T90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 148g - 94 x 57 x 15mm
  • Announced February 2009
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Sony A7R IV vs Sony T90 Overview

In this article, we are evaluating the Sony A7R IV vs Sony T90, one is a Pro Mirrorless and the other is a Ultracompact and both are designed by Sony. There exists a crucial gap among the resolutions of the A7R IV (61MP) and T90 (12MP) and the A7R IV (Full frame) and T90 (1/2.3") feature different sensor sizes.

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The A7R IV was introduced 10 years after the T90 which is a fairly serious gap as far as camera technology is concerned. Both cameras offer different body type with the Sony A7R IV being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.

Before going in to a in depth comparison, below is a concise overview of how the A7R IV grades against the T90 for portability, imaging, features and an overall score.

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Reasons to pick Sony A7R IV over the Sony T90

 A7R IV T90 
AnnouncedJuly 2019February 2009More modern by 127 months
Display typeTiltingFixed Tilting display
Display resolution1440k230kSharper display (+1210k dot)

Reasons to pick Sony T90 over the Sony A7R IV

 T90 A7R IV 

Common features in the Sony A7R IV and Sony T90

 A7R IV T90 
Manually focus Very exact focus
Display sizing3"3"Equivalent display dimensions
Selfie screen No selfie screen
Touch friendly display Easily navigate

Sony A7R IV vs Sony T90 Physical Comparison

For anyone who is intending to carry around your camera regularly, you will need to factor in its weight and dimensions. The Sony A7R IV enjoys physical measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs) and the Sony T90 has dimensions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") and a weight of 148 grams (0.33 lbs).

Contrast the Sony A7R IV vs Sony T90 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at the time. Underneath is the front view overall size comparison of the A7R IV versus the T90.

Sony A7R IV vs Sony T90 size comparison

Factoring in dimensions and weight, the portability rating of the A7R IV and T90 is 62 and 96 respectively.

Sony A7R IV vs Sony T90 top view buttons comparison

Sony A7R IV vs Sony T90 Sensor Comparison

Normally, it can be difficult to picture the gap in sensor sizes simply by checking out a spec sheet. The picture underneath might offer you a clearer sense of the sensor sizing in the A7R IV and T90.

As you can see, both cameras enjoy different resolutions and different sensor sizes. The A7R IV using its larger sensor is going to make shooting shallow depth of field simpler and the Sony A7R IV will show more detail using its extra 49 Megapixels. Greater resolution will also make it easier to crop pics far more aggressively. The younger A7R IV provides an advantage when it comes to sensor technology.

Sony A7R IV vs Sony T90 sensor size comparison

Sony A7R IV vs Sony T90 Screen and ViewFinder

Sony A7R IV vs Sony T90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R IV as a Portrait photography camera
Sony T90 as a Portrait photography camera
88
has manual focus
MP count fantastic (61MP)
sensor size is big (Full frame)
includes face detection focus
saves RAW formats
27
has manual focus
manual exposure not available
can't use external flash
sensor resolution low (12MP)
sensor is very small (1/2.3")
doesn't have RAW files
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Street Comparison

Sony A7R IV as a Street photography camera
Sony T90 as a Street photography camera
79
screen tilts up and down
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
saves RAW formats
includes touch to focus
environment proofing
very good high ISO (32,000)
55
image stabilization (Optical)
screen is fixed
sensor is very small (1/2.3")
doesn't have RAW files
more heavy than others in class (148g)
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Sports Comparison

Sony A7R IV Sports photography advice
Sony T90 Sports photography advice
90
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
MP count fantastic (61 megapixels)
sensor size is big (Full frame)
includes tracking autofocus
environment proofing
better than average battery (670 shots)
has phase detect auto focus
25
image stabilization (Optical)
slow frames per second (2.0 frames per second)
no shutter priority mode
sensor resolution low (12MP)
sensor is very small (1/2.3")
doesn't have phase detect AF
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Travel Comparison

Sony A7R IV Travel photography advice
Sony T90 Travel photography advice
74
better than average battery (670 shots)
environment proofing
connects via bluetooth
includes touch to focus
MP count fantastic (61 megapixels)
display is not selfie friendly
50
flash built-in
doesn't have Timelapse function
more heavy than others in class (148 grams)
sensor resolution low (12 megapixels)
doesn't offer selfie friendly display
wide angle not fantastic (35mm)
somewhat slow max aperture (f3.5)
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Landscape Comparison

Sony A7R IV Landscape photography information
Sony T90 Landscape photography information
88
has manual focus
switch lenses (Sony E mount)
pretty good screen size (3")
image stabilization (Sensor based 5-axis)
MP count fantastic (61MP)
sensor size is big (Full frame)
does not have low pass filter
very good high ISO (32,000)
saves RAW formats
environment proofing
better than average battery (670 CIPA)
has double storage slots
36
has manual focus
screen size is good (3 inches)
image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not fantastic (35mm)
somewhat slow max aperture (f3.5)
manual exposure not available
sensor resolution low (12MP)
sensor is very small (1/2.3")
doesn't have RAW files
doesn't have Timelapse function
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Vlogging Comparison

Sony A7R IV Vlogging highlights
Sony T90 Vlogging highlights
37
touchscreen
image stabilization (Sensor based 5-axis)
includes face detection focus
high res video (3840 x 2160 pxls)
has external microphone port
display is not selfie friendly
27
touchscreen capability
image stabilization (Optical)
wide angle not fantastic (35mm)
somewhat slow max aperture (f3.5)
doesn't offer selfie friendly display
low res video (1280 x 720 pxls)
doesn't have microphone support
more heavy than others in class (148 grams)
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Sony A7R IV vs Sony T90 Specifications

Detailed spec comparison table for Sony A7R IV and Sony T90
 Sony Alpha A7R IVSony Cyber-shot DSC-T90
General Information
Brand Name Sony Sony
Model type Sony Alpha A7R IV Sony Cyber-shot DSC-T90
Class Pro Mirrorless Ultracompact
Launched 2019-07-16 2009-02-17
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Processor Chip Bionz X -
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor measurements 35.8 x 23.8mm 6.17 x 4.55mm
Sensor surface area 852.0mm² 28.1mm²
Sensor resolution 61 megapixels 12 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Maximum resolution 9504 x 6336 4000 x 3000
Maximum native ISO 32000 3200
Maximum boosted ISO 102800 -
Minimum native ISO 100 80
RAW support
Minimum boosted ISO 50 -
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 567 9
Lens
Lens mount type Sony E fixed lens
Lens zoom range - 35-140mm (4.0x)
Largest aperture - f/3.5-10.0
Total lenses 121 -
Crop factor 1 5.8
Screen
Display type Tilting Fixed Type
Display size 3" 3"
Display resolution 1,440k dots 230k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 5,760k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.78x -
Features
Lowest shutter speed 30 secs 1 secs
Highest shutter speed 1/8000 secs 1/1600 secs
Continuous shooting rate 10.0 frames/s 2.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change WB
Image stabilization
Built-in flash
Flash distance no built-in flash 2.90 m (Auto ISO)
Flash settings Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. Auto, On, Off, Red-Eye reduction, Slow Sync
External flash
Auto exposure bracketing
WB bracketing
Highest flash synchronize 1/250 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1280 x 720 (30 fps) 640 x 480 (30 fps)
Maximum video resolution 3840x2160 1280x720
Video data format MPEG-4, XAVC S, H.264 Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 665g (1.47 lb) 148g (0.33 lb)
Dimensions 129 x 96 x 78mm (5.1" x 3.8" x 3.1") 94 x 57 x 15mm (3.7" x 2.2" x 0.6")
DXO scores
DXO All around rating 99 not tested
DXO Color Depth rating 26.0 not tested
DXO Dynamic range rating 14.8 not tested
DXO Low light rating 3344 not tested
Other
Battery life 670 photos -
Battery style Battery Pack -
Battery ID NP-FZ100 -
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC (UHS-II compatible) Memory Stick Duo / Pro Duo, Internal
Card slots Dual One
Retail pricing $3,498 $259