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Sony A9 vs Sony T90

Portability
65
Imaging
73
Features
93
Overall
81
Sony Alpha A9 front
 
Sony Cyber-shot DSC-T90 front
Portability
96
Imaging
34
Features
26
Overall
30

Sony A9 vs Sony T90 Key Specs

Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Expand 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
  • Replacement is Sony A9 II
Sony T90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • 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 A9 vs Sony T90 Overview

Lets look more closely at the Sony A9 and Sony T90, one is a Pro Mirrorless and the latter is a Ultracompact and both are designed by Sony. There exists a significant gap between the resolutions of the A9 (24MP) and T90 (12MP) and the A9 (Full frame) and T90 (1/2.3") boast different sensor sizing.

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The A9 was released 8 years after the T90 which is quite a sizable gap as far as technology is concerned. Both cameras feature different body design with the Sony A9 being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.

Before we go straight to a more detailed comparison, here is a short summation of how the A9 matches up vs the T90 when it comes to portability, imaging, features and an overall score.

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Reasons to pick Sony A9 over the Sony T90

 A9 T90 
AnnouncedApril 2017February 2009More modern by 100 months
Screen typeTiltingFixed Tilting screen
Screen resolution1440k230kCrisper screen (+1210k dot)

Reasons to pick Sony T90 over the Sony A9

 T90 A9 

Common features in the Sony A9 and Sony T90

 A9 T90 
Focus manually Dial accurate focusing
Screen size3"3"Same screen measurement
Selfie screen Lack of selfie screen
Touch screen Quickly navigate

Sony A9 vs Sony T90 Physical Comparison

If you are planning to carry around your camera frequently, you'll need to factor in its weight and size. The Sony A9 offers outside 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) while the Sony T90 has specifications of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") accompanied by a weight of 148 grams (0.33 lbs).

See the Sony A9 and Sony T90 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at the time. The following is a front view scale comparison of the A9 against the T90.

Sony A9 vs Sony T90 size comparison

Factoring in dimensions and weight, the portability grade of the A9 and T90 is 65 and 96 respectively.

Sony A9 vs Sony T90 top view buttons comparison

Sony A9 vs Sony T90 Sensor Comparison

Sometimes, it is very tough to visualize the difference between sensor sizes merely by reviewing technical specs. The pic below might offer you a more clear sense of the sensor measurements in the A9 and T90.

As you can tell, both of these cameras feature different megapixels and different sensor sizes. The A9 because of its bigger sensor is going to make getting shallower depth of field easier and the Sony A9 will offer extra detail as a result of its extra 12MP. Higher resolution can also make it easier to crop photographs way more aggressively. The fresher A9 should have a benefit when it comes to sensor innovation.

Sony A9 vs Sony T90 sensor size comparison

Sony A9 vs Sony T90 Screen and ViewFinder

Sony A9 vs Sony T90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A9
Portrait photography with Sony T90
83
focusing manually
decent sensor resolution (24MP)
sensor size is great (Full frame)
offers face detection focus
supports RAW files
27
manual focus
manual exposure not possible
no external flash support
megapixel count low (12 megapixels)
sensor size is small (1/2.3")
has no RAW format
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Street Comparison

Street photography with Sony A9
Street photography with Sony T90
79
has a tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports RAW files
comes with touch focus
weather proof
very good high ISO (51,200)
55
image stabilization (Optical)
screen is fixed
sensor size is small (1/2.3")
has no RAW format
heavier than average (148 grams)
Photography Glossary

Sports Comparison

Sony A9 Sports photography highlights
Sony T90 Sports photography highlights
86
great max shutter speed (1/8,000 seconds)
silent shutter (1/32,000 seconds)
max fps high (20.0 frames/s)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
sensor size is great (Full frame)
offers tracking autofocus
weather proof
good battery pack (650 CIPA)
comes with phase detect auto focus
25
image stabilization (Optical)
slow fps (2.0 frames/s)
lack of shutter priority mode
megapixel count low (12MP)
sensor size is small (1/2.3")
has no phase detect auto focus
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Travel Comparison

Sony A9 Travel photography advice
Sony T90 Travel photography advice
73
good battery pack (650 per charge)
weather proof
has bluetooth
comes with touch focus
decent sensor resolution (24MP)
screen isn't selfie friendly
50
has built in flash
no Time Lapse function
heavier than average (148g)
megapixel count low (12MP)
display is not selfie friendly
wide angle not the best (35mm)
sluggish maximum aperture (f3.5)
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Landscape Comparison

Sony A9 Landscape photography advice
Sony T90 Landscape photography advice
85
focusing manually
change lenses (Sony E mount)
screen size is decent (3 inches)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
sensor size is great (Full frame)
very good high ISO (51,200)
supports RAW files
weather proof
good battery pack (650 shots)
has double storage slots
36
manual focus
screen is a good size (3 inches)
image stabilization (Optical)
can't change lens (fixed lens mount)
wide angle not the best (35mm)
sluggish maximum aperture (f3.5)
manual exposure not possible
megapixel count low (12 megapixels)
sensor size is small (1/2.3")
has no RAW format
no Time Lapse function
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Vlogging Comparison

Sony A9 Vlogging advice
Sony T90 Vlogging advice
36
touch screen
built in image stabilization (Sensor based 5-axis)
offers face detection focus
high video quality (3840 x 2160 resolution)
does have external mic port
screen isn't selfie friendly
27
touchscreen functionality
image stabilization (Optical)
wide angle not the best (35mm)
sluggish maximum aperture (f3.5)
display is not selfie friendly
low video resolution (1280 x 720 resolution)
no external mic jack
heavier than average (148 grams)
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Sony A9 vs Sony T90 Specifications

Detailed spec comparison table for Sony A9 and Sony T90
 Sony Alpha A9Sony Cyber-shot DSC-T90
General Information
Brand Name Sony Sony
Model type Sony Alpha A9 Sony Cyber-shot DSC-T90
Category Pro Mirrorless Ultracompact
Launched 2017-04-19 2009-02-17
Body design SLR-style mirrorless Ultracompact
Sensor Information
Chip BIONZ X -
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor dimensions 35.6 x 23.8mm 6.17 x 4.55mm
Sensor surface area 847.3mm² 28.1mm²
Sensor resolution 24MP 12MP
Anti alias filter
Aspect ratio 3:2 and 16:9 4:3, 3:2 and 16:9
Highest Possible resolution 6000 x 4000 4000 x 3000
Maximum native ISO 51200 3200
Maximum enhanced ISO 204800 -
Lowest native ISO 100 80
RAW images
Lowest enhanced ISO 50 -
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 693 9
Lens
Lens support Sony E fixed lens
Lens zoom range - 35-140mm (4.0x)
Largest aperture - f/3.5-10.0
Amount of lenses 121 -
Crop factor 1 5.8
Screen
Display type Tilting Fixed Type
Display diagonal 3 inches 3 inches
Display resolution 1,440 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 3,686 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.78x -
Features
Minimum shutter speed 30 secs 1 secs
Fastest shutter speed 1/8000 secs 1/1600 secs
Fastest quiet shutter speed 1/32000 secs -
Continuous shutter speed 20.0 frames per second 2.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Set WB
Image stabilization
Inbuilt 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
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1280 x 720 (30 fps) 640 x 480 (30 fps)
Maximum video resolution 3840x2160 1280x720
Video data format MPEG-4, AVCHD, H.264 Motion JPEG
Mic input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 673 gr (1.48 lb) 148 gr (0.33 lb)
Physical dimensions 127 x 96 x 63mm (5.0" x 3.8" x 2.5") 94 x 57 x 15mm (3.7" x 2.2" x 0.6")
DXO scores
DXO Overall rating 92 not tested
DXO Color Depth rating 24.9 not tested
DXO Dynamic range rating 13.3 not tested
DXO Low light rating 3517 not tested
Other
Battery life 650 photos -
Style of battery Battery Pack -
Battery ID NP-FZ100 -
Self timer Yes (2, 5, 10 secs + continuous) Yes (2 or 10 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC slots (UHS-II compatible) Memory Stick Duo / Pro Duo, Internal
Storage slots 2 One
Retail pricing $4,498 $259