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Sony RX100 IV vs Sony T90

Portability
89
Imaging
52
Features
79
Overall
62
Sony Cyber-shot DSC-RX100 IV front
 
Sony Cyber-shot DSC-T90 front
Portability
96
Imaging
34
Features
26
Overall
30

Sony RX100 IV vs Sony T90 Key Specs

Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Boost to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Introduced June 2015
  • Succeeded the Sony RX100 III
  • Successor is Sony RX100 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
  • Revealed February 2009
Photography Glossary

Sony RX100 IV vs Sony T90 Overview

Below, we are analyzing the Sony RX100 IV and Sony T90, former being a Large Sensor Compact while the other is a Ultracompact and both of them are manufactured by Sony. There is a noticeable difference between the resolutions of the RX100 IV (20MP) and T90 (12MP) and the RX100 IV (1") and T90 (1/2.3") feature totally different sensor measurements.

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The RX100 IV was unveiled 6 years later than the T90 and that is quite a sizable difference as far as tech is concerned. Both of the cameras come with different body type with the Sony RX100 IV being a Large Sensor Compact camera and the Sony T90 being a Ultracompact camera.

Before going in to a thorough comparison, below is a concise summary of how the RX100 IV scores against the T90 when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Sony RX100 IV over the Sony T90

 RX100 IV T90 
RevealedJune 2015February 2009More recent by 77 months
Display typeTiltingFixed Tilting display
Display resolution1229k230kClearer display (+999k dot)
Selfie screen Easy selfies

Reasons to pick Sony T90 over the Sony RX100 IV

 T90 RX100 IV 
Touch friendly display Easily navigate

Common features in the Sony RX100 IV and Sony T90

 RX100 IV T90 
Manually focus More precise focus
Display dimension3"3"Identical display measurements

Sony RX100 IV vs Sony T90 Physical Comparison

For anybody who is looking to lug around your camera, you are going to need to factor its weight and measurements. The Sony RX100 IV comes with physical dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 298 grams (0.66 lbs) while the Sony T90 has proportions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") along with a weight of 148 grams (0.33 lbs).

Check the Sony RX100 IV and Sony T90 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary depending on the lens you are using at that moment. Below is the front view physical size comparison of the RX100 IV against the T90.

Sony RX100 IV vs Sony T90 size comparison

Taking into account size and weight, the portability rating of the RX100 IV and T90 is 89 and 96 respectively.

Sony RX100 IV vs Sony T90 top view buttons comparison

Sony RX100 IV vs Sony T90 Sensor Comparison

Oftentimes, its hard to visualise the difference between sensor measurements purely by reviewing a spec sheet. The graphic here should provide you a more clear sense of the sensor sizes in the RX100 IV and T90.

Clearly, both of those cameras posses different megapixels and different sensor measurements. The RX100 IV with its larger sensor will make shooting bokeh simpler and the Sony RX100 IV will offer you more detail having an extra 8MP. Greater resolution will also enable you to crop pics somewhat more aggressively. The newer RX100 IV is going to have an advantage when it comes to sensor tech.

Sony RX100 IV vs Sony T90 sensor size comparison

Sony RX100 IV vs Sony T90 Screen and ViewFinder

Sony RX100 IV vs Sony T90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony RX100 IV as a Portrait photography camera
Sony T90 as a Portrait photography camera
65
manual focus
great flash sync speed (1/2,000 seconds)
MP count decent (20MP)
decent sensor size (1")
supports face detection autofocus
delivers RAW files
cannot use external flash
27
you can focus manually
manual mode not possible
cannot use external flash
megapixel count low (12 megapixels)
sensor size is small (1/2.3")
has no RAW files
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Street Comparison

Sony RX100 IV Street photography information
Sony T90 Street photography information
85
tilting screen
image stabilization (Optical)
decent sensor size (1")
delivers RAW files
lighter than competitors in class (298 grams)
55
built in image stabilization (Optical)
screen does not articulate
sensor size is small (1/2.3")
has no RAW files
more heavy than competition (148 grams)
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Sports Comparison

Sony RX100 IV as a Sports photography camera
Sony T90 as a Sports photography camera
68
silent mode (1/32,000s)
high frames per second (16.0 frames per second)
image stabilization (Optical)
MP count decent (20 megapixels)
decent sensor size (1")
supports tracking autofocus
lack of phase detect autofocus
25
built in image stabilization (Optical)
max fps very slow (2.0 fps)
lack of shutter priority mode
megapixel count low (12 megapixels)
sensor size is small (1/2.3")
has no phase detect AF
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Travel Comparison

Sony RX100 IV as a Travel photography camera
Sony T90 as a Travel photography camera
86
lighter than competitors in class (298 grams)
MP count decent (20MP)
built-in flash
selfie friendly screen
rather wide (24mm)
good max aperture (f1.8)
50
has built in flash
does not have Timelapse mode
more heavy than competition (148 grams)
megapixel count low (12MP)
doesn't have selfie friendly display
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Sony RX100 IV
Landscape photography with Sony T90
74
manual focus
rather wide (24mm)
good max aperture (f1.8)
pretty good screen size (3 inches)
image stabilization (Optical)
MP count decent (20MP)
decent sensor size (1")
delivers RAW files
fixed lens (fixed lens mount)
36
you can focus manually
screen size is good (3")
built in image stabilization (Optical)
can't switch lens (fixed lens mount)
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.5)
manual mode not possible
megapixel count low (12MP)
sensor size is small (1/2.3")
has no RAW files
does not have Timelapse mode
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Vlogging Comparison

Sony RX100 IV Vlogging highlights
Sony T90 Vlogging highlights
81
rather wide (24mm)
good max aperture (f1.8)
selfie friendly screen
image stabilization (Optical)
supports face detection autofocus
high video quality (3840 x 2160 resolution)
lighter than competitors in class (298 grams)
doesn't have external mic jack
27
built-in touchscreen
built in image stabilization (Optical)
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.5)
doesn't have selfie friendly display
video resolution low (1280 x 720 resolution)
does not have microphone port
more heavy than competition (148 grams)
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Sony RX100 IV vs Sony T90 Specifications

Detailed spec comparison table for Sony RX100 IV and Sony T90
 Sony Cyber-shot DSC-RX100 IVSony Cyber-shot DSC-T90
General Information
Make Sony Sony
Model type Sony Cyber-shot DSC-RX100 IV Sony Cyber-shot DSC-T90
Category Large Sensor Compact Ultracompact
Introduced 2015-06-10 2009-02-17
Body design Large Sensor Compact Ultracompact
Sensor Information
Processor Bionz X -
Sensor type BSI-CMOS CCD
Sensor size 1" 1/2.3"
Sensor measurements 13.2 x 8.8mm 6.17 x 4.55mm
Sensor surface area 116.2mm² 28.1mm²
Sensor resolution 20 megapixels 12 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 5472 x 3648 4000 x 3000
Max native ISO 12800 3200
Max boosted ISO 25600 -
Minimum native ISO 125 80
RAW photos
Minimum boosted ISO 80 -
Autofocusing
Manual focusing
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 25 9
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 24-70mm (2.9x) 35-140mm (4.0x)
Max aperture f/1.8-2.8 f/3.5-10.0
Macro focusing range 5cm -
Crop factor 2.7 5.8
Screen
Range of display Tilting Fixed Type
Display size 3 inches 3 inches
Resolution of display 1,229k dot 230k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,359k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.59x -
Features
Slowest shutter speed 30 secs 1 secs
Maximum shutter speed 1/2000 secs 1/1600 secs
Maximum quiet shutter speed 1/32000 secs -
Continuous shooting speed 16.0fps 2.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set WB
Image stabilization
Integrated flash
Flash distance - 2.90 m (Auto ISO)
Flash settings - Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
AEB
White balance bracketing
Maximum flash sync 1/2000 secs -
Exposure
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), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps) 1280 x 720 (30 fps) 640 x 480 (30 fps)
Max video resolution 3840x2160 1280x720
Video format MPEG-4, AVCHD, XAVC S Motion JPEG
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 None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 298g (0.66 pounds) 148g (0.33 pounds)
Dimensions 102 x 58 x 41mm (4.0" x 2.3" x 1.6") 94 x 57 x 15mm (3.7" x 2.2" x 0.6")
DXO scores
DXO All around rating 70 not tested
DXO Color Depth rating 22.9 not tested
DXO Dynamic range rating 12.6 not tested
DXO Low light rating 562 not tested
Other
Battery life 280 pictures -
Form of battery Battery Pack -
Battery ID NP-BX1 -
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting With downloadable app
Storage media SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo Memory Stick Duo / Pro Duo, Internal
Storage slots 1 1
Pricing at launch $898 $259