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Casio EX-Z90 vs Samsung ST30

Portability
96
Imaging
35
Features
17
Overall
27
Casio Exilim EX-Z90 front
 
Samsung ST30 front
Portability
98
Imaging
32
Features
18
Overall
26

Casio EX-Z90 vs Samsung ST30 Key Specs

Casio EX-Z90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 1600
  • 1280 x 720 video
  • 35-105mm (F3.1-5.9) lens
  • 121g - 90 x 52 x 19mm
  • Announced August 2009
Samsung ST30
(Full Review)
  • 10MP - 1/3" Sensor
  • 3" Fixed Display
  • ISO 0 - 0
  • 640 x 480 video
  • ()mm (F) lens
  • 87g - 82 x 52 x 17mm
  • Revealed January 2011
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Casio EX-Z90 vs Samsung ST30 Overview

Following is a complete assessment of the Casio EX-Z90 and Samsung ST30, former is a Small Sensor Compact while the other is a Ultracompact by competitors Casio and Samsung. The sensor resolution of the EX-Z90 (12MP) and the ST30 (10MP) is very well matched but the EX-Z90 (1/2.3") and ST30 (1/3") use different sensor sizes.

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The EX-Z90 was revealed 17 months earlier than the ST30 making the cameras a generation away from each other. Both of these cameras offer different body type with the Casio EX-Z90 being a Compact camera and the Samsung ST30 being a Ultracompact camera.

Before delving in to a complete comparison, below is a brief synopsis of how the EX-Z90 grades versus the ST30 in terms of portability, imaging, features and an overall score.

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Reasons to pick Casio EX-Z90 over the Samsung ST30

 EX-Z90 ST30 
Focus manually Dial accurate focus

Reasons to pick Samsung ST30 over the Casio EX-Z90

 ST30 EX-Z90 
RevealedJanuary 2011August 2009More modern by 17 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution460k230kCrisper display (+230k dot)

Common features in the Casio EX-Z90 and Samsung ST30

 EX-Z90 ST30 
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen
Touch display Lacking Touch display

Casio EX-Z90 vs Samsung ST30 Physical Comparison

If you are planning to carry around your camera often, you will need to take into account its weight and dimensions. The Casio EX-Z90 has external dimensions of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") and a weight of 121 grams (0.27 lbs) whilst the Samsung ST30 has dimensions of 82mm x 52mm x 17mm (3.2" x 2.0" x 0.7") accompanied by a weight of 87 grams (0.19 lbs).

Examine the Casio EX-Z90 and Samsung ST30 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change dependant on the lens you are utilizing during that time. Below is the front view proportions comparison of the EX-Z90 compared to the ST30.

Casio EX-Z90 vs Samsung ST30 size comparison

Looking at size and weight, the portability rating of the EX-Z90 and ST30 is 96 and 98 respectively.

Casio EX-Z90 vs Samsung ST30 top view buttons comparison

Casio EX-Z90 vs Samsung ST30 Sensor Comparison

Usually, it is very tough to imagine the contrast between sensor sizes purely by looking at specifications. The image below will help give you a more clear sense of the sensor dimensions in the EX-Z90 and ST30.

Plainly, both of these cameras enjoy different megapixels and different sensor sizes. The EX-Z90 having a larger sensor is going to make achieving shallow DOF less difficult and the Casio EX-Z90 will give more detail because of its extra 2MP. Greater resolution will let you crop pics far more aggressively. The more aged EX-Z90 is going to be behind in sensor technology.

Casio EX-Z90 vs Samsung ST30 sensor size comparison

Casio EX-Z90 vs Samsung ST30 Screen and ViewFinder

Casio EX-Z90 vs Samsung ST30 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-Z90 Portrait photography factors
Samsung ST30 Portrait photography factors
27
manual focus
manual mode not available
cannot use external flash
resolution not great (12MP)
sensor size is very small (1/2.3")
doesn't have RAW support
19
manual focus not available
manual exposure not available
external flash not possible
sensor resolution not great (10MP)
sensor size is small (1/3")
doesn't have RAW format
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Street Comparison

Casio EX-Z90 as a Street photography camera
Samsung ST30 as a Street photography camera
55
lighter than competitors (121g)
screen does not articulate
does not have image stabilization
sensor size is very small (1/2.3")
doesn't have RAW support
54
lighter than average in class (87g)
screen does not articulate
lack of image stabilization
sensor size is small (1/3")
doesn't have RAW format
maximum ISO low (0)
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Sports Comparison

Casio EX-Z90 Sports photography details
Samsung ST30 Sports photography details
17
lack of shutter priority mode
does not have image stabilization
resolution not great (12 megapixels)
sensor size is very small (1/2.3")
doesn't have phase detect autofocus
16
can't change focal length (()mm)
lack of shutter priority mode
lack of image stabilization
sensor resolution not great (10 megapixels)
sensor size is small (1/3")
doesn't have phase detect AF
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Travel Comparison

Casio EX-Z90 as a Travel photography camera
Samsung ST30 as a Travel photography camera
56
lighter than competitors (121g)
built-in flash
doesn't have Time Lapse function
resolution not great (12MP)
doesn't contain selfie friendly display
wide angle not great (35mm)
sluggish maximum aperture (f3.1)
65
lighter than average in class (87 grams)
built-in flash
good maximum aperture (f)
missing Time Lapse mode
sensor resolution not great (10MP)
screen is not selfie friendly
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Landscape Comparison

Casio EX-Z90 Landscape photography factors
Samsung ST30 Landscape photography factors
28
manual focus
cannot switch lens (fixed lens mount)
wide angle not great (35mm)
sluggish maximum aperture (f3.1)
small screen (2.7 inch)
manual mode not available
does not have image stabilization
resolution not great (12 megapixels)
sensor size is very small (1/2.3")
doesn't have RAW support
doesn't have Time Lapse function
30
good maximum aperture (f)
decent sized screen (3")
manual focus not available
fixed lens (fixed lens mount)
can't change focal length (()mm)
manual exposure not available
lack of image stabilization
sensor resolution not great (10MP)
sensor size is small (1/3")
maximum ISO low (0)
doesn't have RAW format
missing Time Lapse mode
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Vlogging Comparison

Vlogging with Casio EX-Z90
Vlogging with Samsung ST30
25
lighter than competitors (121 grams)
wide angle not great (35mm)
sluggish maximum aperture (f3.1)
doesn't contain selfie friendly display
does not have image stabilization
low res video (1280 x 720 pixels)
doesn't have external mic port
29
good maximum aperture (f)
lighter than average in class (87 grams)
screen is not selfie friendly
lack of image stabilization
low quality video (640 x 480 pxls)
missing mic jack
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Casio EX-Z90 vs Samsung ST30 Specifications

Detailed spec comparison table for Casio EX-Z90 and Samsung ST30
 Casio Exilim EX-Z90Samsung ST30
General Information
Brand Casio Samsung
Model type Casio Exilim EX-Z90 Samsung ST30
Class Small Sensor Compact Ultracompact
Announced 2009-08-18 2011-01-19
Body design Compact Ultracompact
Sensor Information
Processor Digic 4 -
Sensor type CCD CCD
Sensor size 1/2.3" 1/3"
Sensor dimensions 6.17 x 4.55mm 4.8 x 3.6mm
Sensor area 28.1mm² 17.3mm²
Sensor resolution 12MP 10MP
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 -
Full resolution 4000 x 3000 4608 x 3456
Max native ISO 1600 -
Lowest native ISO 64 -
RAW support
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Lens
Lens support fixed lens fixed lens
Lens zoom range 35-105mm (3.0x) ()
Max aperture f/3.1-5.9 -
Macro focusing distance 10cm -
Crop factor 5.8 7.5
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 2.7" 3"
Screen resolution 230 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 4s 8s
Maximum shutter speed 1/2000s 1/2000s
Shutter priority
Aperture priority
Expose Manually
Change WB
Image stabilization
Inbuilt flash
Flash distance 3.00 m -
Flash options Auto, On, Off, Red-eye, Soft -
Hot shoe
AE bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 640 x 480
Max video resolution 1280x720 640x480
Video file format Motion JPEG -
Mic input
Headphone input
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) none
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 121 gr (0.27 lb) 87 gr (0.19 lb)
Dimensions 90 x 52 x 19mm (3.5" x 2.0" x 0.7") 82 x 52 x 17mm (3.2" x 2.0" x 0.7")
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-60 -
Self timer Yes (2 or 10 sec, Triple) -
Time lapse shooting
Storage media SD/MMC/SDHC card, Internal -
Storage slots One One
Price at launch $150 $55