Casio EX-Z400 vs Nikon A100

Casio Exilim EX-Z400 front
Nikon Coolpix A100 front

Casio EX-Z400 vs Nikon A100 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
Nikon A100
(Full Review)
  • 20MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 1600 (Push to 3200)
  • Digital Image Stabilization
  • 1280 x 720 video
  • 26-130mm (F3.2-6.5) lens
  • 119g - 95 x 59 x 20mm
  • Revealed January 2016
Coronavirus is affecting the sensor business

Casio EX-Z400 vs Nikon A100 Overview

In this write-up, we will be reviewing the Casio EX-Z400 vs Nikon A100, both Ultracompact digital cameras by rivals Casio and Nikon. There exists a substantial gap between the image resolutions of the EX-Z400 (12MP) and A100 (20MP) but they feature the same exact sensor dimensions (1/2.3").

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The EX-Z400 was announced 8 years before the A100 which is quite a big difference as far as technology is concerned. Each of the cameras offer the identical body type (Ultracompact).

Before going in to a detailed comparison, below is a short summation of how the EX-Z400 scores against the A100 when considering portability, imaging, features and an overall score.

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Reasons to pick Casio EX-Z400 over the Nikon A100

 EX-Z400 A100 
Screen sizing3"2.7"Bigger screen (+0.3")

Reasons to pick Nikon A100 over the Casio EX-Z400

 A100 EX-Z400 
RevealedJanuary 2016January 2009More modern by 85 months

Common features in the Casio EX-Z400 and Nikon A100

 EX-Z400 A100 
Manual focus Lack of manual focus
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kThe same screen resolution
Selfie screen Absent selfie screen
Touch friendly screen Neither has Touch friendly screen

Casio EX-Z400 vs Nikon A100 Physical Comparison

If you're intending to carry around your camera often, you will have to factor its weight and size. The Casio EX-Z400 has external dimensions of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") with a weight of 130 grams (0.29 lbs) while the Nikon A100 has specifications of 95mm x 59mm x 20mm (3.7" x 2.3" x 0.8") having a weight of 119 grams (0.26 lbs).

Analyze the Casio EX-Z400 vs Nikon A100 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 working with at the time. Underneath is the front view scale comparison of the EX-Z400 and the A100.

Casio EX-Z400 vs Nikon A100 size comparison

Considering dimensions and weight, the portability score of the EX-Z400 and A100 is 95 and 96 respectively.

Casio EX-Z400 vs Nikon A100 top view buttons comparison

Casio EX-Z400 vs Nikon A100 Sensor Comparison

Typically, it is very difficult to picture the difference between sensor sizes simply by checking specs. The pic here might offer you a far better sense of the sensor dimensions in the EX-Z400 and A100.

As you can plainly see, the 2 cameras offer the same exact sensor sizing albeit different megapixels. You can count on the Nikon A100 to resolve extra detail with its extra 8 Megapixels. Higher resolution can also enable you to crop pictures a little more aggressively. The more aged EX-Z400 is going to be disadvantaged when it comes to sensor technology.

Casio EX-Z400 vs Nikon A100 sensor size comparison

Casio EX-Z400 vs Nikon A100 Screen and ViewFinder

Casio EX-Z400 vs Nikon A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Casio EX-Z400
Portrait photography with Nikon A100
focusing manually not possible
lack of manual exposure
cannot use external flash
low resolution (12 megapixels)
sensor size is small (1/2.3")
lacks RAW files
good resolution (20 megapixels)
has face detection focusing
manual focus not available
manual mode not available
no external flash support
very small sensor (1/2.3")
lacks RAW format
Photographer fined '$200,000' for failing to deliver photos

Street Comparison

Street photography with Casio EX-Z400
Street photography with Nikon A100
image stabilization (Sensor-shift)
no articulating screen
sensor size is small (1/2.3")
lacks RAW files
image stabilization (Digital)
screen does not articulate
very small sensor (1/2.3")
lacks RAW format
World's smallest camera makes it into Guinness Book of Records

Sports Comparison

Casio EX-Z400 Sports photography features
Nikon A100 Sports photography features
image stabilization (Sensor-shift)
low max shutter speed (1/1,000s)
no shutter priority mode
low resolution (12 megapixels)
sensor size is small (1/2.3")
lacks phase detect auto focus
image stabilization (Digital)
good resolution (20MP)
has tracking autofocus
great battery pack (250 per charge)
very slow continuous shooting (1.1 fps)
no shutter priority mode
very small sensor (1/2.3")
lacks phase detect AF
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Travel Comparison

Casio EX-Z400 Travel photography details
Nikon A100 Travel photography details
flash built-in
decently wide (28mm)
no Timelapse function
low resolution (12MP)
display is not selfie friendly
sluggish max aperture (f2.6)
great battery pack (250 per charge)
good resolution (20MP)
built-in flash
fairly wide (26mm)
doesn't have Timelapse recording
display isn't selfie friendly
slow max aperture (f3.2)
Last day to get your files as Canon Irisa shuts down

Landscape Comparison

Casio EX-Z400 Landscape photography info
Nikon A100 Landscape photography info
decently wide (28mm)
screen size is good (3 inch)
image stabilization (Sensor-shift)
focusing manually not possible
can't switch lens (fixed lens mount)
sluggish max aperture (f2.6)
lack of manual exposure
low resolution (12 megapixels)
sensor size is small (1/2.3")
lacks RAW files
no Timelapse function
fairly wide (26mm)
image stabilization (Digital)
good resolution (20 megapixels)
great battery pack (250 CIPA)
manual focus not available
cannot change lens (fixed lens mount)
slow max aperture (f3.2)
tiny screen (2.7 inch)
manual mode not available
very small sensor (1/2.3")
lacks RAW format
doesn't have Timelapse recording
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Vlogging Comparison

Casio EX-Z400 as a Vlogging camera
Nikon A100 as a Vlogging camera
decently wide (28mm)
image stabilization (Sensor-shift)
sluggish max aperture (f2.6)
display is not selfie friendly
video resolution low (1280 x 720 pxls)
no microphone port
fairly wide (26mm)
image stabilization (Digital)
has face detection focusing
slow max aperture (f3.2)
display isn't selfie friendly
low res video (1280 x 720 pxls)
doesn't have external microphone support
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Casio EX-Z400 vs Nikon A100 Specifications

Detailed spec comparison table for Casio EX-Z400 and Nikon A100
 Casio Exilim EX-Z400Nikon Coolpix A100
General Information
Brand Casio Nikon
Model Casio Exilim EX-Z400 Nikon Coolpix A100
Category Ultracompact Ultracompact
Released 2009-01-08 2016-01-14
Physical type Ultracompact Ultracompact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.17 x 4.55mm
Sensor surface area 28.1mm² 28.1mm²
Sensor resolution 12MP 20MP
Anti aliasing filter
Aspect ratio 16:9, 4:3 and 3:2 1:1, 4:3 and 16:9
Max resolution 4000 x 3000 5152 x 3864
Max native ISO 1600 1600
Max enhanced ISO - 3200
Min native ISO 100 80
RAW files
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens mounting type fixed lens fixed lens
Lens focal range 28-112mm (4.0x) 26-130mm (5.0x)
Maximum aperture f/2.6-7.0 f/3.2-6.5
Macro focus range - 10cm
Focal length multiplier 5.8 5.8
Type of display Fixed Type Fixed Type
Display sizing 3" 2.7"
Resolution of display 230k dots 230k dots
Selfie friendly
Touch operation
Viewfinder Information
Viewfinder type None None
Min shutter speed 1/2 secs 4 secs
Max shutter speed 1/1000 secs 1/2000 secs
Continuous shutter rate - 1.1 frames/s
Shutter priority
Aperture priority
Expose Manually
Set white balance
Image stabilization
Integrated flash
Flash range - 4.00 m (at Auto ISO)
Flash options - Auto, auto w/redeye reduction, off, fill flash, slow sync
Hot shoe
White balance bracketing
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 1280 x 720 (30p)
Max video resolution 1280x720 1280x720
Video data format Motion JPEG Motion JPEG
Microphone support
Headphone support
Wireless None None
USB none USB 2.0 (480 Mbit/sec)
GPS None None
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 130 gr (0.29 pounds) 119 gr (0.26 pounds)
Dimensions 95 x 60 x 23mm (3.7" x 2.4" x 0.9") 95 x 59 x 20mm (3.7" x 2.3" x 0.8")
DXO scores
DXO Overall 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
Battery life - 250 shots
Form of battery - Battery Pack
Battery model NP-40 EN-EL19
Self timer Yes (10 seconds, 2 seconds, Triple Self-timer) Yes
Time lapse feature
Storage type SDHC Memory Card, SD Memory Card, Eye-Fi Wireless Card compatible SD/SDHC/SDXC, Internal
Card slots One One
Pricing at release $0 $162