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Olympus TG-320 vs Pentax E90

Portability
94
Imaging
38
Features
33
Overall
36
Olympus TG-320 front
 
Pentax Optio E90 front
Portability
94
Imaging
33
Features
11
Overall
24

Olympus TG-320 vs Pentax E90 Key Specs

Olympus TG-320
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-102mm (F3.5-5.1) lens
  • 155g - 96 x 63 x 23mm
  • Launched January 2012
Pentax E90
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • 1280 x 720 video
  • 32-95mm (F3.1-5.9) lens
  • 145g - 102 x 59 x 25mm
  • Released January 2010
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Olympus TG-320 vs Pentax E90 Overview

Here is a comprehensive analysis of the Olympus TG-320 vs Pentax E90, one being a Waterproof and the latter is a Small Sensor Compact by companies Olympus and Pentax. There exists a crucial gap among the image resolutions of the TG-320 (14MP) and E90 (10MP) but they enjoy the same exact sensor sizes (1/2.3").

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The TG-320 was revealed 24 months later than the E90 which makes the cameras a generation apart from one another. The two cameras offer the identical body type (Compact).

Before getting in to a more detailed comparison, below is a quick introduction of how the TG-320 grades versus the E90 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-320 over the Pentax E90

 TG-320 E90 
ReleasedJanuary 2012January 2010Fresher by 24 months

Reasons to pick Pentax E90 over the Olympus TG-320

 E90 TG-320 

Common features in the Olympus TG-320 and Pentax E90

 TG-320 E90 
Focus manually No manual focusing
Screen typeFixed Fixed Fixed screen
Screen sizing2.7"2.7"Equivalent screen dimensions
Screen resolution230k230kThe same screen resolution
Selfie screen Neither offers selfie screen
Touch friendly screen No Touch friendly screen

Olympus TG-320 vs Pentax E90 Physical Comparison

If you are aiming to carry your camera, you'll have to factor its weight and size. The Olympus TG-320 offers outer dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") with a weight of 155 grams (0.34 lbs) while the Pentax E90 has specifications of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") accompanied by a weight of 145 grams (0.32 lbs).

Check out the Olympus TG-320 vs Pentax E90 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing during that time. Below is the front view sizing comparison of the TG-320 versus the E90.

Olympus TG-320 vs Pentax E90 size comparison

Considering dimensions and weight, the portability rating of the TG-320 and E90 is 94 and 94 respectively.

Olympus TG-320 vs Pentax E90 top view buttons comparison

Olympus TG-320 vs Pentax E90 Sensor Comparison

Quite often, its hard to visualize the gap in sensor sizing purely by seeing a spec sheet. The photograph below should provide you a much better sense of the sensor sizes in the TG-320 and E90.

Clearly, both the cameras offer the same exact sensor sizing albeit different resolution. You should count on the Olympus TG-320 to show more detail because of its extra 4MP. Higher resolution will help you crop photographs a little more aggressively. The more modern TG-320 provides an advantage when it comes to sensor technology.

Olympus TG-320 vs Pentax E90 sensor size comparison

Olympus TG-320 vs Pentax E90 Screen and ViewFinder

Olympus TG-320 vs Pentax E90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-320 as a Portrait photography camera
Pentax E90 as a Portrait photography camera
34
good resolution (14MP)
includes face detection focus
lack of manual focus
manual exposure not possible
no external flash support
very small sensor (1/2.3")
has no RAW support
19
no manual focus
manual mode not possible
no external flash support
resolution not great (10 megapixels)
sensor size is small (1/2.3")
doesn't have RAW format
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Street Comparison

Olympus TG-320 as a Street photography camera
Pentax E90 as a Street photography camera
66
has image stabilization (Sensor-shift)
weather proofing
lighter than competition (155g)
fixed screen
very small sensor (1/2.3")
has no RAW support
47
screen is fixed
no image stabilization
sensor size is small (1/2.3")
doesn't have RAW format
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Sports Comparison

Olympus TG-320 Sports photography information
Pentax E90 Sports photography information
41
has image stabilization (Sensor-shift)
good resolution (14MP)
includes tracking autofocus
weather proofing
max frames per second low (1.0 fps)
no shutter priority mode
very small sensor (1/2.3")
bad battery life (150 CIPA)
has no phase detect auto focus
16
no shutter priority
no image stabilization
resolution not great (10MP)
sensor size is small (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Olympus TG-320 Travel photography features
Pentax E90 Travel photography features
67
lighter than competition (155g)
weather proofing
good resolution (14MP)
flash built-in
decently wide (28mm)
missing Time Lapse recording
bad battery life (150 shots)
display isn't selfie friendly
slow max aperture (f3.5)
50
has built in flash
does not have Timelapse function
resolution not great (10 megapixels)
display isn't selfie friendly
wide angle not good (32mm)
somewhat slow maximum aperture (f3.1)
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Landscape Comparison

Olympus TG-320 Landscape photography features
Pentax E90 Landscape photography features
39
decently wide (28mm)
has image stabilization (Sensor-shift)
good resolution (14 megapixels)
weather proofing
lack of manual focus
lens is fixed (fixed lens mount)
slow max aperture (f3.5)
screen is small (2.7 inches)
manual exposure not possible
very small sensor (1/2.3")
has no RAW support
bad battery life (150 shots)
missing Time Lapse recording
22
no manual focus
fixed lens (fixed lens mount)
wide angle not good (32mm)
somewhat slow maximum aperture (f3.1)
small screen (2.7 inch)
manual mode not possible
no image stabilization
resolution not great (10 megapixels)
sensor size is small (1/2.3")
doesn't have RAW format
does not have Timelapse function
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Vlogging Comparison

Vlogging with Olympus TG-320
Vlogging with Pentax E90
32
decently wide (28mm)
has image stabilization (Sensor-shift)
includes face detection focus
lighter than competition (155g)
slow max aperture (f3.5)
display isn't selfie friendly
video resolution low (1280 x 720 pixels)
missing external mic support
22
wide angle not good (32mm)
somewhat slow maximum aperture (f3.1)
display isn't selfie friendly
no image stabilization
video res low (1280 x 720 resolution)
does not have external microphone port
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Olympus TG-320 vs Pentax E90 Specifications

Detailed spec comparison table for Olympus TG-320 and Pentax E90
 Olympus TG-320Pentax Optio E90
General Information
Brand Olympus Pentax
Model Olympus TG-320 Pentax Optio E90
Class Waterproof Small Sensor Compact
Launched 2012-01-10 2010-01-25
Body design Compact Compact
Sensor Information
Powered by TruePic III+ Prime
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.08 x 4.56mm
Sensor surface area 28.1mm² 27.7mm²
Sensor resolution 14 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio - 4:3 and 16:9
Full resolution 4288 x 3216 3648 x 2736
Max native ISO 1600 3200
Lowest native ISO 80 80
RAW pictures
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points - 3
Cross focus points - -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28-102mm (3.6x) 32-95mm (3.0x)
Highest aperture f/3.5-5.1 f/3.1-5.9
Macro focus range 3cm 6cm
Focal length multiplier 5.8 5.9
Screen
Display type Fixed Type Fixed Type
Display size 2.7" 2.7"
Display resolution 230k dot 230k dot
Selfie friendly
Liveview
Touch display
Display tech TFT Color LCD -
Viewfinder Information
Viewfinder None None
Features
Lowest shutter speed 4 secs 4 secs
Highest shutter speed 1/2000 secs 1/2000 secs
Continuous shooting speed 1.0fps -
Shutter priority
Aperture priority
Manual exposure
Set WB
Image stabilization
Inbuilt flash
Flash range 5.80 m 3.50 m
Flash settings Auto, On, Off, Red-Eye, Fill-in -
External flash
Auto exposure 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 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1280 x 720 (15 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 1280x720 1280x720
Video format MPEG-4, H.264 Motion JPEG
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 155g (0.34 lb) 145g (0.32 lb)
Dimensions 96 x 63 x 23mm (3.8" x 2.5" x 0.9") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
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 150 pictures -
Battery form Battery Pack -
Battery model LI-42B 2 x AA
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC SD/SDHC, Internal
Storage slots 1 1
Retail pricing $0 $100