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Casio EX-Z400 vs Ricoh GR Digital III

Portability
95
Imaging
34
Features
25
Overall
30
Casio Exilim EX-Z400 front
 
Ricoh GR Digital III front
Portability
92
Imaging
34
Features
35
Overall
34

Casio EX-Z400 vs Ricoh GR Digital III Key Specs

Casio EX-Z400
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-112mm (F2.6-7.0) lens
  • 130g - 95 x 60 x 23mm
  • Released January 2009
Ricoh GR Digital III
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 64 - 1600
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 208g - 109 x 59 x 26mm
  • Announced July 2009
  • Replacement is Ricoh GR Digital IV
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Casio EX-Z400 vs Ricoh GR Digital III Overview

Here is a in-depth review of the Casio EX-Z400 versus Ricoh GR Digital III, one being a Ultracompact and the latter is a Small Sensor Compact by manufacturers Casio and Ricoh. The resolution of the EX-Z400 (12MP) and the GR Digital III (10MP) is relatively close but the EX-Z400 (1/2.3") and GR Digital III (1/1.7") possess totally different sensor size.

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The EX-Z400 was released 6 months earlier than the GR Digital III so they are both of a similar generation. Both the cameras offer different body type with the Casio EX-Z400 being a Ultracompact camera and the Ricoh GR Digital III being a Compact camera.

Before we go straight into a complete comparison, below is a brief summation of how the EX-Z400 scores against the GR Digital III with respect to portability, imaging, features and an overall rating.

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Reasons to pick Casio EX-Z400 over the Ricoh GR Digital III

 EX-Z400 GR Digital III 

Reasons to pick Ricoh GR Digital III over the Casio EX-Z400

 GR Digital III EX-Z400 
Manually focus More precise focusing
Screen resolution920k230kCrisper screen (+690k dot)

Common features in the Casio EX-Z400 and Ricoh GR Digital III

 EX-Z400 GR Digital III 
AnnouncedJanuary 2009July 2009Same generation
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen size
Selfie screen Lacking selfie screen
Touch friendly screen Lacking Touch friendly screen

Casio EX-Z400 vs Ricoh GR Digital III Physical Comparison

If you are intending to carry your camera, you should think about its weight and dimensions. The Casio EX-Z400 provides physical dimensions of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") having a weight of 130 grams (0.29 lbs) whilst the Ricoh GR Digital III has dimensions of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") and a weight of 208 grams (0.46 lbs).

Check the Casio EX-Z400 versus Ricoh GR Digital III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing during that time. The following is the front view scale comparison of the EX-Z400 compared to the GR Digital III.

Casio EX-Z400 vs Ricoh GR Digital III size comparison

Considering size and weight, the portability score of the EX-Z400 and GR Digital III is 95 and 92 respectively.

Casio EX-Z400 vs Ricoh GR Digital III top view buttons comparison

Casio EX-Z400 vs Ricoh GR Digital III Sensor Comparison

Often, it is very tough to visualise the difference in sensor sizing just by looking through specs. The photograph below may provide you a better sense of the sensor sizes in the EX-Z400 and GR Digital III.

As you can plainly see, the 2 cameras enjoy different megapixel count and different sensor sizing. The EX-Z400 because of its smaller sensor will make shooting shallower depth of field harder and the Casio EX-Z400 will provide you with extra detail as a result of its extra 2 Megapixels. Higher resolution can also help you crop photographs far more aggressively.

Casio EX-Z400 vs Ricoh GR Digital III sensor size comparison

Casio EX-Z400 vs Ricoh GR Digital III Screen and ViewFinder

Casio EX-Z400 vs Ricoh GR Digital III Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Casio EX-Z400
Portrait photography with Ricoh GR Digital III
20
focusing manually not possible
no manual exposure
no external flash support
low megapixels (12 megapixels)
sensor is tiny (1/2.3")
lacks RAW format
40
you can focus manually
exports RAW formats
low megapixels (10 megapixels)
sensor is tiny (1/1.7")
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Street Comparison

Casio EX-Z400 Street photography information
Ricoh GR Digital III Street photography information
56
built in image stabilization (Sensor-shift)
screen is fixed
sensor is tiny (1/2.3")
lacks RAW format
55
exports RAW formats
screen is fixed
no image stabilization
sensor is tiny (1/1.7")
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Sports Comparison

Sports photography with Casio EX-Z400
Sports photography with Ricoh GR Digital III
25
built in image stabilization (Sensor-shift)
maximum shutter speed is a little low (1/1,000 seconds)
no shutter priority
low megapixels (12MP)
sensor is tiny (1/2.3")
lacks phase detect auto focus
17
focal length is fixed (28mm)
no image stabilization
low megapixels (10 megapixels)
sensor is tiny (1/1.7")
lacks phase detect AF
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Travel Comparison

Casio EX-Z400 as a Travel photography camera
Ricoh GR Digital III as a Travel photography camera
58
built-in flash
quite wide (28mm)
lack of Time Lapse mode
low megapixels (12 megapixels)
display isn't selfie friendly
somewhat slow max aperture (f2.6)
63
flash built-in
fast maximum aperture (f1.9)
low megapixels (10MP)
doesn't posses selfie friendly display
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Landscape Comparison

Casio EX-Z400 Landscape photography information
Ricoh GR Digital III Landscape photography information
36
quite wide (28mm)
screen size is good (3 inches)
built in image stabilization (Sensor-shift)
focusing manually not possible
lens is fixed (fixed lens mount)
somewhat slow max aperture (f2.6)
no manual exposure
low megapixels (12MP)
sensor is tiny (1/2.3")
lacks RAW format
lack of Time Lapse mode
45
you can focus manually
fast maximum aperture (f1.9)
good sized screen (3 inch)
exports RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
no image stabilization
low megapixels (10 megapixels)
sensor is tiny (1/1.7")
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Vlogging Comparison

Casio EX-Z400 as a Vlogging camera
Ricoh GR Digital III as a Vlogging camera
29
quite wide (28mm)
built in image stabilization (Sensor-shift)
somewhat slow max aperture (f2.6)
display isn't selfie friendly
video res low (1280 x 720 pixels)
lack of mic socket
25
fast maximum aperture (f1.9)
doesn't posses selfie friendly display
no image stabilization
video res low (640 x 480 pixels)
doesn't have external microphone socket
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Casio EX-Z400 vs Ricoh GR Digital III Specifications

Detailed spec comparison table for Casio EX-Z400 and Ricoh GR Digital III
 Casio Exilim EX-Z400Ricoh GR Digital III
General Information
Make Casio Ricoh
Model type Casio Exilim EX-Z400 Ricoh GR Digital III
Category Ultracompact Small Sensor Compact
Released 2009-01-08 2009-07-27
Physical type Ultracompact Compact
Sensor Information
Powered by - GR engine III
Sensor type CCD CCD
Sensor size 1/2.3" 1/1.7"
Sensor measurements 6.17 x 4.55mm 7.44 x 5.58mm
Sensor surface area 28.1mm² 41.5mm²
Sensor resolution 12 megapixels 10 megapixels
Anti alias filter
Aspect ratio 16:9, 4:3 and 3:2 1:1, 4:3 and 3:2
Full resolution 4000 x 3000 3648 x 2736
Max native ISO 1600 1600
Lowest native ISO 100 64
RAW photos
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens
Lens support fixed lens fixed lens
Lens zoom range 28-112mm (4.0x) 28mm (1x)
Largest aperture f/2.6-7.0 f/1.9
Macro focusing range - 1cm
Focal length multiplier 5.8 4.8
Screen
Type of display Fixed Type Fixed Type
Display sizing 3 inches 3 inches
Display resolution 230k dots 920k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder None Optical (optional)
Features
Lowest shutter speed 1/2 seconds 1 seconds
Highest shutter speed 1/1000 seconds 1/2000 seconds
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Change white balance
Image stabilization
Integrated flash
Flash distance - 3.00 m
Flash modes - Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1280x720 640x480
Video data format Motion JPEG -
Microphone port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB none USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 130g (0.29 lbs) 208g (0.46 lbs)
Dimensions 95 x 60 x 23mm (3.7" x 2.4" x 0.9") 109 x 59 x 26mm (4.3" x 2.3" x 1.0")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery ID NP-40 -
Self timer Yes (10 seconds, 2 seconds, Triple Self-timer) Yes (2 or 10 sec)
Time lapse recording
Storage type SDHC Memory Card, SD Memory Card, Eye-Fi Wireless Card compatible SD/SDHC, Internal
Card slots 1 1
Retail cost $0 $399