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Ricoh GR Digital IV vs Sony T90

Portability
92
Imaging
35
Features
47
Overall
39
Ricoh GR Digital IV front
 
Sony Cyber-shot DSC-T90 front
Portability
96
Imaging
34
Features
26
Overall
30

Ricoh GR Digital IV vs Sony T90 Key Specs

Ricoh GR Digital IV
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 190g - 109 x 59 x 33mm
  • Announced September 2011
  • Succeeded the Ricoh GR Digital III
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
  • Released February 2009
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Ricoh GR Digital IV vs Sony T90 Overview

Following is a extended comparison of the Ricoh GR Digital IV vs Sony T90, one is a Small Sensor Compact and the other is a Ultracompact by competitors Ricoh and Sony. The image resolution of the GR Digital IV (10MP) and the T90 (12MP) is very comparable but the GR Digital IV (1/1.7") and T90 (1/2.3") boast totally different sensor dimensions.

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The GR Digital IV was announced 2 years after the T90 which is a fairly large gap as far as camera technology is concerned. Each of the cameras have different body design with the Ricoh GR Digital IV being a Compact camera and the Sony T90 being a Ultracompact camera.

Before getting into a more detailed comparison, here is a short highlight of how the GR Digital IV grades against the T90 in regards to portability, imaging, features and an overall score.

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Reasons to pick Ricoh GR Digital IV over the Sony T90

 GR Digital IV T90 
ReleasedSeptember 2011February 2009More modern by 32 months
Display resolution1230k230kSharper display (+1000k dot)

Reasons to pick Sony T90 over the Ricoh GR Digital IV

 T90 GR Digital IV 
Touch friendly display Easily navigate

Common features in the Ricoh GR Digital IV and Sony T90

 GR Digital IV T90 
Manually focus Very precise focus
Display typeFixed Fixed Fixed display
Display dimensions3"3"Equal display sizing
Selfie screen Neither contains selfie screen

Ricoh GR Digital IV vs Sony T90 Physical Comparison

If you're looking to carry around your camera often, you need to think about its weight and size. The Ricoh GR Digital IV has got exterior measurements of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") accompanied by a weight of 190 grams (0.42 lbs) and the Sony T90 has specifications of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") and a weight of 148 grams (0.33 lbs).

Compare the Ricoh GR Digital IV vs Sony T90 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are using during that time. Below is a front view size comparison of the GR Digital IV compared to the T90.

Ricoh GR Digital IV vs Sony T90 size comparison

Looking at dimensions and weight, the portability rating of the GR Digital IV and T90 is 92 and 96 respectively.

Ricoh GR Digital IV vs Sony T90 top view buttons comparison

Ricoh GR Digital IV vs Sony T90 Sensor Comparison

More often than not, it's hard to see the contrast in sensor sizes simply by checking out a spec sheet. The picture here should offer you a stronger sense of the sensor sizing in the GR Digital IV and T90.

Clearly, each of these cameras have different resolutions and different sensor sizes. The GR Digital IV using its larger sensor will make getting shallower depth of field less difficult and the Sony T90 will show greater detail with its extra 2 Megapixels. Greater resolution can also let you crop pics a bit more aggressively. The more recent GR Digital IV will have an edge in sensor tech.

Ricoh GR Digital IV vs Sony T90 sensor size comparison

Ricoh GR Digital IV vs Sony T90 Screen and ViewFinder

Ricoh GR Digital IV vs Sony T90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Ricoh GR Digital IV
Portrait photography with Sony T90
41
has manual focus
delivers RAW files
resolution not great (10 megapixels)
tiny sensor (1/1.7")
27
has manual focus
manual exposure not possible
can't use external flash
low MP (12MP)
sensor size is tiny (1/2.3")
lack of RAW files
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Street Comparison

Ricoh GR Digital IV Street photography advice
Sony T90 Street photography advice
65
image stabilization (Sensor-shift)
delivers RAW files
screen does not articulate
tiny sensor (1/1.7")
55
has image stabilization (Optical)
no moving screen
sensor size is tiny (1/2.3")
lack of RAW files
more heavy than competitors (148 grams)
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Sports Comparison

Ricoh GR Digital IV Sports photography advice
Sony T90 Sports photography advice
34
image stabilization (Sensor-shift)
great battery life (390 per charge)
fixed focal length (28mm)
resolution not great (10MP)
tiny sensor (1/1.7")
no phase detect AF
25
has image stabilization (Optical)
painfully slow continuous shooting (2.0 frames per second)
no shutter priority mode
low MP (12MP)
sensor size is tiny (1/2.3")
lack of phase detect AF
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Travel Comparison

Ricoh GR Digital IV Travel photography info
Sony T90 Travel photography info
67
great battery life (390 shots)
built-in flash
fast maximum aperture (f1.9)
resolution not great (10 megapixels)
display isn't selfie friendly
50
built-in flash
missing Timelapse mode
more heavy than competitors (148 grams)
low MP (12MP)
display isn't selfie friendly
wide angle not great (35mm)
slow maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Ricoh GR Digital IV
Landscape photography with Sony T90
53
has manual focus
fast maximum aperture (f1.9)
screen size is good (3")
image stabilization (Sensor-shift)
delivers RAW files
great battery life (390 shots)
lens is fixed (fixed lens mount)
fixed focal length (28mm)
resolution not great (10 megapixels)
tiny sensor (1/1.7")
36
has manual focus
screen size is good (3 inches)
has image stabilization (Optical)
fixed lens (fixed lens mount)
wide angle not great (35mm)
slow maximum aperture (f3.5)
manual exposure not possible
low MP (12 megapixels)
sensor size is tiny (1/2.3")
lack of RAW files
missing Timelapse mode
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Vlogging Comparison

Ricoh GR Digital IV as a Vlogging camera
Sony T90 as a Vlogging camera
29
fast maximum aperture (f1.9)
image stabilization (Sensor-shift)
display isn't selfie friendly
video res low (640 x 480 pxls)
doesn't have external mic socket
27
screen is touchscreen
has image stabilization (Optical)
wide angle not great (35mm)
slow maximum aperture (f3.5)
display isn't selfie friendly
low video resolution (1280 x 720 resolution)
missing microphone jack
more heavy than competitors (148g)
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Ricoh GR Digital IV vs Sony T90 Specifications

Detailed spec comparison table for Ricoh GR Digital IV and Sony T90
 Ricoh GR Digital IVSony Cyber-shot DSC-T90
General Information
Company Ricoh Sony
Model Ricoh GR Digital IV Sony Cyber-shot DSC-T90
Type Small Sensor Compact Ultracompact
Announced 2011-09-15 2009-02-17
Body design Compact Ultracompact
Sensor Information
Sensor type CCD CCD
Sensor size 1/1.7" 1/2.3"
Sensor measurements 7.44 x 5.58mm 6.17 x 4.55mm
Sensor area 41.5mm² 28.1mm²
Sensor resolution 10MP 12MP
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 4:3, 3:2 and 16:9
Full resolution 3648 x 2736 4000 x 3000
Max native ISO 3200 3200
Min native ISO 80 80
RAW files
Autofocusing
Manual focus
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points - 9
Lens
Lens mount fixed lens fixed lens
Lens focal range 28mm (1x) 35-140mm (4.0x)
Maximum aperture f/1.9 f/3.5-10.0
Macro focus distance 1cm -
Crop factor 4.8 5.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches 3 inches
Display resolution 1,230k dot 230k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Optical (optional) None
Features
Slowest shutter speed 1 secs 1 secs
Maximum shutter speed 1/2000 secs 1/1600 secs
Continuous shooting speed - 2.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Change WB
Image stabilization
Built-in flash
Flash range 3.00 m 2.90 m (Auto ISO)
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Manual Auto, On, Off, Red-Eye reduction, Slow Sync
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1280 x 720 (30 fps) 640 x 480 (30 fps)
Max video resolution 640x480 1280x720
Video file format Motion JPEG Motion JPEG
Microphone input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 190g (0.42 pounds) 148g (0.33 pounds)
Physical dimensions 109 x 59 x 33mm (4.3" x 2.3" x 1.3") 94 x 57 x 15mm (3.7" x 2.2" x 0.6")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 390 pictures -
Form of battery Battery Pack -
Battery model DB65 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC, Internal Memory Stick Duo / Pro Duo, Internal
Storage slots Single Single
Retail price $599 $259