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Casio EX-S7 vs Olympus TG-870

Portability
96
Imaging
35
Features
14
Overall
26
Casio Exilim EX-S7 front
 
Olympus Stylus Tough TG-870 front
Portability
91
Imaging
41
Features
46
Overall
43

Casio EX-S7 vs Olympus TG-870 Key Specs

Casio EX-S7
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 64 - 1600
  • 1280 x 720 video
  • 36-107mm (F3.1-5.6) lens
  • 121g - 97 x 57 x 20mm
  • Launched February 2010
Olympus TG-870
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Screen
  • ISO 125 - 6400 (Raise to 12800)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 221g - 113 x 64 x 28mm
  • Launched January 2016
  • Superseded the Olympus TG-860
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Casio EX-S7 vs Olympus TG-870 Overview

On this page, we will be evaluating the Casio EX-S7 versus Olympus TG-870, both Ultracompact digital cameras by brands Casio and Olympus. There is a crucial difference between the sensor resolutions of the EX-S7 (12MP) and TG-870 (16MP) but both cameras posses the same sensor dimensions (1/2.3").

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The EX-S7 was revealed 6 years earlier than the TG-870 which is quite a serious gap as far as tech is concerned. Both of these cameras have the same body design (Ultracompact).

Before getting into a in-depth comparison, here is a simple introduction of how the EX-S7 matches up vs the TG-870 for portability, imaging, features and an overall score.

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Reasons to pick Casio EX-S7 over the Olympus TG-870

 EX-S7 TG-870 
Manual focus Dial accurate focus

Reasons to pick Olympus TG-870 over the Casio EX-S7

 TG-870 EX-S7 
LaunchedJanuary 2016February 2010More modern by 71 months
Screen typeTiltingFixed Tilting screen
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution921k230kCrisper screen (+691k dot)

Common features in the Casio EX-S7 and Olympus TG-870

 EX-S7 TG-870 
Selfie screen Neither includes selfie screen
Touch friendly screen Neither includes Touch friendly screen

Casio EX-S7 vs Olympus TG-870 Physical Comparison

In case you're planning to carry around your camera often, you'll have to consider its weight and size. The Casio EX-S7 features outer dimensions of 97mm x 57mm x 20mm (3.8" x 2.2" x 0.8") along with a weight of 121 grams (0.27 lbs) and the Olympus TG-870 has specifications of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") having a weight of 221 grams (0.49 lbs).

Check the Casio EX-S7 versus Olympus TG-870 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select at that moment. Underneath is a front view size comparison of the EX-S7 vs the TG-870.

Casio EX-S7 vs Olympus TG-870 size comparison

Factoring in size and weight, the portability score of the EX-S7 and TG-870 is 96 and 91 respectively.

Casio EX-S7 vs Olympus TG-870 top view buttons comparison

Casio EX-S7 vs Olympus TG-870 Sensor Comparison

Usually, it's difficult to imagine the contrast between sensor sizes merely by reading through specs. The picture underneath will help offer you a much better sense of the sensor dimensions in the EX-S7 and TG-870.

All in all, the two cameras provide the same sensor dimensions albeit different resolution. You should expect the Olympus TG-870 to give extra detail because of its extra 4 Megapixels. Higher resolution will make it easier to crop shots more aggressively. The more aged EX-S7 is going to be behind when it comes to sensor tech.

Casio EX-S7 vs Olympus TG-870 sensor size comparison

Casio EX-S7 vs Olympus TG-870 Screen and ViewFinder

Casio EX-S7 vs Olympus TG-870 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-S7 Portrait photography details
Olympus TG-870 Portrait photography details
27
has manual focus
no manual control
no external flash support
sensor resolution low (12 megapixels)
small sensor (1/2.3")
no RAW support
36
MP count good (16MP)
includes face detect focusing
manual focus not available
manual mode not possible
cannot use external flash
small sensor size (1/2.3")
lack of RAW files
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Street Comparison

Casio EX-S7 Street photography factors
Olympus TG-870 Street photography factors
48
screen does not articulate
does not have image stabilization
small sensor (1/2.3")
no RAW support
65
screen tilts up and down
image stabilization (Optical)
weather proof
small sensor size (1/2.3")
lack of RAW files
heavier than competitors in class (221 grams)
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Sports Comparison

Casio EX-S7 Sports photography advice
Olympus TG-870 Sports photography advice
17
lack of shutter priority mode
does not have image stabilization
sensor resolution low (12MP)
small sensor (1/2.3")
no phase detect auto focus
51
image stabilization (Optical)
MP count good (16 megapixels)
includes tracking focus
weather proof
great battery (300 shots)
no shutter priority mode
small sensor size (1/2.3")
lack of phase detect AF
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Travel Comparison

Casio EX-S7 Travel photography details
Olympus TG-870 Travel photography details
52
has built in flash
does not have Time Lapse recording
sensor resolution low (12 megapixels)
display is not selfie friendly
wide angle not fantastic (36mm)
slow maximum aperture (f3.1)
69
great battery (300 CIPA)
weather proof
MP count good (16 megapixels)
flash built-in
decently wide (21mm)
heavier than competitors in class (221 grams)
doesn't contain selfie friendly display
sluggish maximum aperture (f3.5)
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Landscape Comparison

Casio EX-S7 as a Landscape photography camera
Olympus TG-870 as a Landscape photography camera
28
has manual focus
can't switch lens (fixed lens mount)
wide angle not fantastic (36mm)
slow maximum aperture (f3.1)
small screen (2.7 inch)
no manual control
does not have image stabilization
sensor resolution low (12 megapixels)
small sensor (1/2.3")
no RAW support
does not have Time Lapse recording
50
decently wide (21mm)
nice screen size (3 inches)
image stabilization (Optical)
MP count good (16 megapixels)
weather proof
great battery (300 shots)
manual focus not available
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.5)
manual mode not possible
small sensor size (1/2.3")
lack of RAW files
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Vlogging Comparison

Casio EX-S7 Vlogging details
Olympus TG-870 Vlogging details
22
wide angle not fantastic (36mm)
slow maximum aperture (f3.1)
display is not selfie friendly
does not have image stabilization
low quality video (1280 x 720 pxls)
does not have external mic support
32
decently wide (21mm)
image stabilization (Optical)
includes face detect focusing
great video quality (1920 x 1080 pixels)
sluggish maximum aperture (f3.5)
doesn't contain selfie friendly display
no mic jack
heavier than competitors in class (221 grams)
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Casio EX-S7 vs Olympus TG-870 Specifications

Detailed spec comparison table for Casio EX-S7 and Olympus TG-870
 Casio Exilim EX-S7Olympus Stylus Tough TG-870
General Information
Brand Name Casio Olympus
Model type Casio Exilim EX-S7 Olympus Stylus Tough TG-870
Category Ultracompact Ultracompact
Launched 2010-02-21 2016-01-06
Body design Ultracompact Ultracompact
Sensor Information
Processor Chip Exilim Engine 5.0 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 surface area 28.1mm² 28.1mm²
Sensor resolution 12 megapixel 16 megapixel
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 4000 x 3000 4608 x 3456
Highest native ISO 1600 6400
Highest boosted ISO - 12800
Min native ISO 64 125
RAW photos
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Lens
Lens support fixed lens fixed lens
Lens zoom range 36-107mm (3.0x) 21-105mm (5.0x)
Max aperture f/3.1-5.6 f/3.5-5.7
Macro focusing range 10cm 1cm
Crop factor 5.8 5.8
Screen
Range of display Fixed Type Tilting
Display diagonal 2.7 inches 3 inches
Display resolution 230k dot 921k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 4s 4s
Maximum shutter speed 1/2000s 1/2000s
Continuous shooting speed - 7.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Custom WB
Image stabilization
Inbuilt flash
Flash distance 3.20 m 4.00 m (at ISO 1600)
Flash options Auto, On, Off, Red-eye, Soft Auto, redeye reduction, fill flash, off, LED illuminator
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p)
Highest video resolution 1280x720 1920x1080
Video format Motion JPEG MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 121 grams (0.27 pounds) 221 grams (0.49 pounds)
Physical dimensions 97 x 57 x 20mm (3.8" x 2.2" x 0.8") 113 x 64 x 28mm (4.4" x 2.5" x 1.1")
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 life - 300 pictures
Battery format - Battery Pack
Battery ID NP-80 Li-50B
Self timer Yes (2 or 10 sec, Triple Self-timer) Yes (2 or 10 sec, custom)
Time lapse recording
Storage media SD/SDHC card, Internal SD/SDHC/SDXC, Internal
Storage slots One One
Price at launch $140 $280