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Olympus TG-870 vs Pentax I-10

Portability
91
Imaging
41
Features
46
Overall
43
Olympus Stylus Tough TG-870 front
 
Pentax Optio I-10 front
Portability
93
Imaging
35
Features
24
Overall
30

Olympus TG-870 vs Pentax I-10 Key Specs

Olympus TG-870
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Screen
  • ISO 125 - 6400 (Expand to 12800)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 221g - 113 x 64 x 28mm
  • Introduced January 2016
  • Superseded the Olympus TG-860
Pentax I-10
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.9) lens
  • 153g - 101 x 65 x 28mm
  • Revealed January 2010
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Olympus TG-870 vs Pentax I-10 Overview

On this page, we are reviewing the Olympus TG-870 and Pentax I-10, one being a Ultracompact and the other is a Small Sensor Compact by competitors Olympus and Pentax. There is a crucial difference among the sensor resolutions of the TG-870 (16MP) and I-10 (12MP) but both cameras have the same sensor sizes (1/2.3").

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The TG-870 was introduced 6 years later than the I-10 and that is a fairly serious gap as far as camera tech is concerned. Each of the cameras have different body design with the Olympus TG-870 being a Ultracompact camera and the Pentax I-10 being a Compact camera.

Before delving into a comprehensive comparison, here is a quick highlight of how the TG-870 matches up against the I-10 in relation to portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Olympus TG-870 over the Pentax I-10

 TG-870 I-10 
RevealedJanuary 2016January 2010More recent by 73 months
Display typeTiltingFixed Tilting display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution921k230kSharper display (+691k dot)

Reasons to pick Pentax I-10 over the Olympus TG-870

 I-10 TG-870 
Focus manually Dial accurate focus

Common features in the Olympus TG-870 and Pentax I-10

 TG-870 I-10 
Selfie screen Neither offers selfie screen
Touch display Neither offers Touch display

Olympus TG-870 vs Pentax I-10 Physical Comparison

In case you're planning to lug around your camera, you have to factor its weight and size. The Olympus TG-870 offers external dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") and a weight of 221 grams (0.49 lbs) while the Pentax I-10 has specifications of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs).

Check out the Olympus TG-870 and Pentax I-10 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using during that time. Following is a front view scale comparison of the TG-870 versus the I-10.

Olympus TG-870 vs Pentax I-10 size comparison

Looking at size and weight, the portability rating of the TG-870 and I-10 is 91 and 93 respectively.

Olympus TG-870 vs Pentax I-10 top view buttons comparison

Olympus TG-870 vs Pentax I-10 Sensor Comparison

Usually, it can be tough to visualize the difference in sensor measurements purely by researching specifications. The graphic underneath will help provide you a much better sense of the sensor dimensions in the TG-870 and I-10.

To sum up, the two cameras have the same sensor dimensions but different MP. You should expect to see the Olympus TG-870 to render greater detail using its extra 4MP. Greater resolution can also allow you to crop photos a bit more aggressively. The younger TG-870 provides an advantage with regard to sensor technology.

Olympus TG-870 vs Pentax I-10 sensor size comparison

Olympus TG-870 vs Pentax I-10 Screen and ViewFinder

Olympus TG-870 vs Pentax I-10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-870 Portrait photography features
Pentax I-10 Portrait photography features
36
MP count decent (16 megapixels)
provides face detection focus
focusing manually not possible
manual exposure not available
can't use external flash
sensor size is very small (1/2.3")
does not have RAW support
27
you can focus manually
no manual mode
cannot use external flash
sensor resolution low (12 megapixels)
sensor is tiny (1/2.3")
has no RAW format
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Street Comparison

Olympus TG-870 Street photography information
Pentax I-10 Street photography information
65
screen tilts
has image stabilization (Optical)
environment proofing
sensor size is very small (1/2.3")
does not have RAW support
heavier than average in class (221g)
56
built in image stabilization (Sensor-shift)
screen is fixed
sensor is tiny (1/2.3")
has no RAW format
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Sports Comparison

Sports photography with Olympus TG-870
Sports photography with Pentax I-10
51
has image stabilization (Optical)
MP count decent (16 megapixels)
provides tracking autofocus
environment proofing
great battery power (300 shots)
no shutter priority
sensor size is very small (1/2.3")
does not have phase detect auto focus
31
built in image stabilization (Sensor-shift)
supports tracking focus
max fps very slow (1.0 frames per second)
no shutter priority mode
sensor resolution low (12MP)
sensor is tiny (1/2.3")
has no phase detect auto focus
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Travel Comparison

Olympus TG-870 Travel photography information
Pentax I-10 Travel photography information
69
great battery power (300 shots)
environment proofing
MP count decent (16 megapixels)
flash built-in
rather wide (21mm)
heavier than average in class (221g)
doesn't contain selfie friendly screen
slow max aperture (f3.5)
57
has built in flash
reasonably wide (28mm)
doesn't have Timelapse mode
sensor resolution low (12MP)
screen is not selfie friendly
slow maximum aperture (f3.5)
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Landscape Comparison

Olympus TG-870 Landscape photography highlights
Pentax I-10 Landscape photography highlights
50
rather wide (21mm)
screen size is decent (3")
has image stabilization (Optical)
MP count decent (16MP)
environment proofing
great battery power (300 CIPA)
focusing manually not possible
lens is fixed (fixed lens mount)
slow max aperture (f3.5)
manual exposure not available
sensor size is very small (1/2.3")
does not have RAW support
36
you can focus manually
reasonably wide (28mm)
built in image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
slow maximum aperture (f3.5)
small screen (2.7")
no manual mode
sensor resolution low (12MP)
sensor is tiny (1/2.3")
has no RAW format
doesn't have Timelapse mode
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Vlogging Comparison

Olympus TG-870 as a Vlogging camera
Pentax I-10 as a Vlogging camera
32
rather wide (21mm)
has image stabilization (Optical)
provides face detection focus
high quality video (1920 x 1080 pxls)
slow max aperture (f3.5)
doesn't contain selfie friendly screen
lack of external mic port
heavier than average in class (221 grams)
28
reasonably wide (28mm)
built in image stabilization (Sensor-shift)
slow maximum aperture (f3.5)
screen is not selfie friendly
video quality not great (1280 x 720 pxls)
doesn't have microphone socket
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Olympus TG-870 vs Pentax I-10 Specifications

Detailed spec comparison table for Olympus TG-870 and Pentax I-10
 Olympus Stylus Tough TG-870Pentax Optio I-10
General Information
Brand Olympus Pentax
Model type Olympus Stylus Tough TG-870 Pentax Optio I-10
Class Ultracompact Small Sensor Compact
Introduced 2016-01-06 2010-01-25
Physical type Ultracompact Compact
Sensor Information
Processor Chip TruePic VII Prime
Sensor type BSI-CMOS 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 16MP 12MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Max resolution 4608 x 3456 4000 x 3000
Max native ISO 6400 6400
Max enhanced ISO 12800 -
Lowest native ISO 125 80
RAW support
Autofocusing
Manual focusing
Touch to focus
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 9
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 21-105mm (5.0x) 28-140mm (5.0x)
Maximum aperture f/3.5-5.7 f/3.5-5.9
Macro focusing range 1cm 10cm
Focal length multiplier 5.8 5.8
Screen
Screen type Tilting Fixed Type
Screen diagonal 3 inches 2.7 inches
Screen resolution 921k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type None None
Features
Min shutter speed 4 secs 4 secs
Max shutter speed 1/2000 secs 1/2000 secs
Continuous shutter rate 7.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Custom WB
Image stabilization
Inbuilt flash
Flash distance 4.00 m (at ISO 1600) 4.00 m
Flash options Auto, redeye reduction, fill flash, off, LED illuminator Auto, On, Off, Red-eye, Soft
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 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 221g (0.49 lb) 153g (0.34 lb)
Physical dimensions 113 x 64 x 28mm (4.4" x 2.5" x 1.1") 101 x 65 x 28mm (4.0" x 2.6" x 1.1")
DXO scores
DXO Overall 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 photographs -
Battery type Battery Pack -
Battery ID Li-50B D-LI92
Self timer Yes (2 or 10 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC, Internal SD/SDHC, Internal
Card slots One One
Launch pricing $280 $310