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Casio EX-ZS15 vs Olympus TG-870

Portability
95
Imaging
37
Features
15
Overall
28
Casio Exilim EX-ZS15 front
 
Olympus Stylus Tough TG-870 front
Portability
91
Imaging
41
Features
46
Overall
43

Casio EX-ZS15 vs Olympus TG-870 Key Specs

Casio EX-ZS15
(Full Review)
  • 14MP - 1/2.3" Sensor
  • " Fixed Display
  • ISO 0 - 0
  • 1280 x 720 video
  • ()mm (F) lens
  • 154g - 103 x 59 x 20mm
  • Revealed July 2011
Olympus TG-870
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Screen
  • ISO 125 - 6400 (Increase to 12800)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 221g - 113 x 64 x 28mm
  • Revealed January 2016
  • Older Model is Olympus TG-860
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Casio EX-ZS15 vs Olympus TG-870 Overview

Let's look more closely at the Casio EX-ZS15 and Olympus TG-870, both Ultracompact digital cameras by manufacturers Casio and Olympus. The sensor resolution of the EX-ZS15 (14MP) and the TG-870 (16MP) is pretty similar and both cameras provide the same sensor sizing (1/2.3").

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The EX-ZS15 was unveiled 5 years earlier than the TG-870 and that is quite a big gap as far as technology is concerned. The two cameras have the same body design (Ultracompact).

Before delving straight to a full comparison, here is a brief overview of how the EX-ZS15 scores vs the TG-870 for portability, imaging, features and an overall rating.

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Reasons to pick Casio EX-ZS15 over the Olympus TG-870

 EX-ZS15 TG-870 

Reasons to pick Olympus TG-870 over the Casio EX-ZS15

 TG-870 EX-ZS15 
RevealedJanuary 2016July 2011Fresher by 54 months
Screen typeTiltingFixed Tilting screen
Screen dimensions3""Bigger screen (+3")
Screen resolution921k0kSharper screen (+921k dot)

Common features in the Casio EX-ZS15 and Olympus TG-870

 EX-ZS15 TG-870 
Manual focus Lack of manual focusing
Selfie screen Neither includes selfie screen
Touch screen Lack of Touch screen

Casio EX-ZS15 vs Olympus TG-870 Physical Comparison

For anybody who is going to carry your camera often, you need to factor its weight and dimensions. The Casio EX-ZS15 features physical measurements of 103mm x 59mm x 20mm (4.1" x 2.3" x 0.8") and a weight of 154 grams (0.34 lbs) and the Olympus TG-870 has dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") with a weight of 221 grams (0.49 lbs).

Contrast the Casio EX-ZS15 and Olympus TG-870 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that moment. Here is a front view measurements comparison of the EX-ZS15 versus the TG-870.

Casio EX-ZS15 vs Olympus TG-870 size comparison

Taking into consideration dimensions and weight, the portability score of the EX-ZS15 and TG-870 is 95 and 91 respectively.

Casio EX-ZS15 vs Olympus TG-870 top view buttons comparison

Casio EX-ZS15 vs Olympus TG-870 Sensor Comparison

More often than not, its tough to envision the gap between sensor sizing merely by going over technical specs. The photograph underneath will help offer you a stronger sense of the sensor measurements in the EX-ZS15 and TG-870.

As you have seen, both the cameras provide the same sensor dimensions albeit not the same megapixels. You should expect the Olympus TG-870 to deliver more detail having an extra 2 Megapixels. Higher resolution will allow you to crop photographs more aggressively. The older EX-ZS15 is going to be behind in sensor innovation.

Casio EX-ZS15 vs Olympus TG-870 sensor size comparison

Casio EX-ZS15 vs Olympus TG-870 Screen and ViewFinder

Casio EX-ZS15 vs Olympus TG-870 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-ZS15 as a Portrait photography camera
Olympus TG-870 as a Portrait photography camera
28
MP count good (14 megapixels)
lack of manual focus
manual exposure not possible
no external flash support
small sensor (1/2.3")
lacks RAW files
36
good MP (16 megapixels)
comes with face detection autofocus
manual focus not available
no manual mode
no external flash support
sensor is small (1/2.3")
does not have RAW files
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Street Comparison

Casio EX-ZS15 Street photography features
Olympus TG-870 Street photography features
48
screen does not articulate
does not have image stabilization
small sensor (1/2.3")
lacks RAW files
more heavy than competition (154g)
low max ISO (0)
65
screen tilts up and down
built in image stabilization (Optical)
weather sealing
sensor is small (1/2.3")
does not have RAW files
heavier than competitors (221 grams)
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Sports Comparison

Casio EX-ZS15 Sports photography factors
Olympus TG-870 Sports photography factors
32
MP count good (14 megapixels)
provides tracking focus
can't change focal length (()mm)
no shutter priority mode
does not have image stabilization
small sensor (1/2.3")
lacks phase detect auto focus
51
built in image stabilization (Optical)
good MP (16MP)
comes with tracking autofocus
weather sealing
good battery (300 CIPA)
no shutter priority
sensor is small (1/2.3")
does not have phase detect autofocus
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Travel Comparison

Casio EX-ZS15 Travel photography information
Olympus TG-870 Travel photography information
61
MP count good (14MP)
great max aperture (f)
does not have Timelapse function
more heavy than competition (154g)
does not have a selfie friendly display
69
good battery (300 shots)
weather sealing
good MP (16MP)
flash built-in
decently wide (21mm)
heavier than competitors (221 grams)
doesn't have a selfie friendly display
sluggish max aperture (f3.5)
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Landscape Comparison

Casio EX-ZS15 Landscape photography factors
Olympus TG-870 Landscape photography factors
32
great max aperture (f)
MP count good (14MP)
lack of manual focus
fixed lens (fixed lens mount)
can't change focal length (()mm)
screen is small ( inches)
manual exposure not possible
does not have image stabilization
small sensor (1/2.3")
low max ISO (0)
lacks RAW files
does not have Timelapse function
50
decently wide (21mm)
screen size is good (3")
built in image stabilization (Optical)
good MP (16MP)
weather sealing
good battery (300 per charge)
manual focus not available
lens is fixed (fixed lens mount)
sluggish max aperture (f3.5)
no manual mode
sensor is small (1/2.3")
does not have RAW files
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Vlogging Comparison

Casio EX-ZS15 Vlogging details
Olympus TG-870 Vlogging details
26
great max aperture (f)
does not have a selfie friendly display
does not have image stabilization
video quality not great (1280 x 720 pixels)
does not have microphone support
more heavy than competition (154g)
32
decently wide (21mm)
built in image stabilization (Optical)
comes with face detection autofocus
high video quality (1920 x 1080 pxls)
sluggish max aperture (f3.5)
doesn't have a selfie friendly display
no external mic socket
heavier than competitors (221 grams)
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Casio EX-ZS15 vs Olympus TG-870 Specifications

Detailed spec comparison table for Casio EX-ZS15 and Olympus TG-870
 Casio Exilim EX-ZS15Olympus Stylus Tough TG-870
General Information
Manufacturer Casio Olympus
Model Casio Exilim EX-ZS15 Olympus Stylus Tough TG-870
Type Ultracompact Ultracompact
Revealed 2011-07-18 2016-01-06
Physical type Ultracompact Ultracompact
Sensor Information
Chip - TruePic VII
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.17 x 4.55mm 6.17 x 4.55mm
Sensor area 28.1mm² 28.1mm²
Sensor resolution 14 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio - 1:1, 4:3, 3:2 and 16:9
Maximum resolution 4320 x 3240 4608 x 3456
Maximum native ISO - 6400
Maximum boosted ISO - 12800
Minimum native ISO - 125
RAW pictures
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Lens
Lens mounting type fixed lens fixed lens
Lens focal range () 21-105mm (5.0x)
Maximum aperture - f/3.5-5.7
Macro focus range - 1cm
Crop factor 5.8 5.8
Screen
Type of display Fixed Type Tilting
Display size - 3 inches
Display resolution 0k dots 921k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder None None
Features
Slowest shutter speed - 4s
Maximum shutter speed - 1/2000s
Continuous shooting rate - 7.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Set white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 4.00 m (at ISO 1600)
Flash options no built-in flash Auto, redeye reduction, fill flash, off, LED illuminator
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 1280 x 720 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p)
Maximum video resolution 1280x720 1920x1080
Video file format Motion JPEG MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB none USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 154g (0.34 lbs) 221g (0.49 lbs)
Physical dimensions 103 x 59 x 20mm (4.1" x 2.3" x 0.8") 113 x 64 x 28mm (4.4" x 2.5" x 1.1")
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 - 300 shots
Style of battery - Battery Pack
Battery model - Li-50B
Self timer - Yes (2 or 10 sec, custom)
Time lapse shooting
Storage type - SD/SDHC/SDXC, Internal
Card slots Single Single
Retail pricing $248 $280