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Olympus E-PM1 vs Olympus TG-320

Portability
89
Imaging
48
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Olympus TG-320 front
Portability
94
Imaging
37
Features
33
Overall
35

Olympus E-PM1 vs Olympus TG-320 Key Specs

Olympus E-PM1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 265g - 110 x 64 x 34mm
  • Released November 2011
  • Newer Model is Olympus E-PM2
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
  • Introduced January 2012
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Olympus E-PM1 vs Olympus TG-320 Overview

Here is a detailed analysis of the Olympus E-PM1 versus Olympus TG-320, former being a Entry-Level Mirrorless while the other is a Waterproof and both of them are sold by Olympus. The sensor resolution of the E-PM1 (12MP) and the TG-320 (14MP) is fairly well matched but the E-PM1 (Four Thirds) and TG-320 (1/2.3") provide different sensor measurements.

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The E-PM1 was announced within a month of the TG-320 so they are both of a similar age. Both cameras feature different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Olympus TG-320 being a Compact camera.

Before diving straight to a thorough comparison, here is a short introduction of how the E-PM1 scores versus the TG-320 when considering portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-PM1 over the Olympus TG-320

 E-PM1 TG-320 
Manually focus More accurate focus
Display size3"2.7"Larger display (+0.3")
Display resolution460k230kCrisper display (+230k dot)

Reasons to pick Olympus TG-320 over the Olympus E-PM1

 TG-320 E-PM1 

Common features in the Olympus E-PM1 and Olympus TG-320

 E-PM1 TG-320 
IntroducedNovember 2011January 2012Similar age
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen
Touch friendly display Neither offers Touch friendly display

Olympus E-PM1 vs Olympus TG-320 Physical Comparison

For anyone who is going to carry your camera often, you'll need to take into account its weight and volume. The Olympus E-PM1 offers outer measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") accompanied by a weight of 265 grams (0.58 lbs) whilst the Olympus TG-320 has sizing of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs).

Examine the Olympus E-PM1 versus Olympus TG-320 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ dependant on the lens you use at that moment. Below is a front view proportions comparison of the E-PM1 vs the TG-320.

Olympus E-PM1 vs Olympus TG-320 size comparison

Looking at size and weight, the portability score of the E-PM1 and TG-320 is 89 and 94 respectively.

Olympus E-PM1 vs Olympus TG-320 top view buttons comparison

Olympus E-PM1 vs Olympus TG-320 Sensor Comparison

Often, it is very difficult to picture the difference between sensor sizing only by checking specs. The visual here will give you a more clear sense of the sensor measurements in the E-PM1 and TG-320.

As you can plainly see, the 2 cameras come with different megapixel count and different sensor sizing. The E-PM1 with its larger sensor is going to make shooting shallower DOF easier and the Olympus TG-320 will give you greater detail with its extra 2MP. Greater resolution will let you crop photos a good deal more aggressively.

Olympus E-PM1 vs Olympus TG-320 sensor size comparison

Olympus E-PM1 vs Olympus TG-320 Screen and ViewFinder

Olympus E-PM1 vs Olympus TG-320 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PM1 Portrait photography features
Olympus TG-320 Portrait photography features
60
manual focus
decent sensor size (Four Thirds)
has face detection autofocus
saves RAW files
low MP (12 megapixels)
33
megapixel count good (14 megapixels)
comes with face detect autofocus
manual focus not available
no manual mode
cannot use external flash
small sensor (1/2.3")
lack of RAW format
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Street Comparison

Olympus E-PM1 Street photography advice
Olympus TG-320 Street photography advice
75
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
saves RAW files
no moving screen
66
built in image stabilization (Sensor-shift)
weather proofing
lighter than average in class (155g)
screen does not articulate
small sensor (1/2.3")
lack of RAW format
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Sports Comparison

Olympus E-PM1 as a Sports photography camera
Olympus TG-320 as a Sports photography camera
49
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
has tracking autofocus
very slow continuous shooting (6.0 fps)
low MP (12MP)
doesn't have phase detect autofocus
40
built in image stabilization (Sensor-shift)
megapixel count good (14 megapixels)
comes with tracking focus
weather proofing
very slow continuous shooting (1.0 frames per second)
no shutter priority mode
small sensor (1/2.3")
terrible battery pack (150 shots)
lack of phase detect autofocus
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Travel Comparison

Olympus E-PM1 Travel photography highlights
Olympus TG-320 Travel photography highlights
45
doesn't have Timelapse mode
low MP (12 megapixels)
doesn't feature selfie friendly display
67
lighter than average in class (155g)
weather proofing
megapixel count good (14MP)
built-in flash
relatively wide (28mm)
lack of Time Lapse mode
terrible battery pack (150 per charge)
display is not selfie friendly
sluggish max aperture (f3.5)
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Landscape Comparison

Landscape photography with Olympus E-PM1
Landscape photography with Olympus TG-320
65
manual focus
interchangeable lenses (Micro Four Thirds mount)
good sized screen (3 inch)
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
saves RAW files
low MP (12 megapixels)
doesn't have Timelapse mode
39
relatively wide (28mm)
built in image stabilization (Sensor-shift)
megapixel count good (14 megapixels)
weather proofing
manual focus not available
can't switch lens (fixed lens mount)
sluggish max aperture (f3.5)
tiny screen (2.7 inches)
no manual mode
small sensor (1/2.3")
lack of RAW format
terrible battery pack (150 per charge)
lack of Time Lapse mode
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Vlogging Comparison

Olympus E-PM1 Vlogging features
Olympus TG-320 Vlogging features
34
built in image stabilization (Sensor based)
has face detection autofocus
high video quality (1920 x 1080 pxls)
doesn't feature selfie friendly display
doesn't have external microphone jack
32
relatively wide (28mm)
built in image stabilization (Sensor-shift)
comes with face detect autofocus
lighter than average in class (155g)
sluggish max aperture (f3.5)
display is not selfie friendly
video quality not great (1280 x 720 resolution)
lack of mic support
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Olympus E-PM1 vs Olympus TG-320 Specifications

Detailed spec comparison table for Olympus E-PM1 and Olympus TG-320
 Olympus PEN E-PM1Olympus TG-320
General Information
Brand Name Olympus Olympus
Model type Olympus PEN E-PM1 Olympus TG-320
Category Entry-Level Mirrorless Waterproof
Released 2011-11-23 2012-01-10
Physical type Rangefinder-style mirrorless Compact
Sensor Information
Processor TruePic VI TruePic III+
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.17 x 4.55mm
Sensor surface area 224.9mm² 28.1mm²
Sensor resolution 12MP 14MP
Anti alias filter
Aspect ratio 4:3 -
Max resolution 4032 x 3024 4288 x 3216
Max native ISO 12800 1600
Lowest native ISO 100 80
RAW images
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 35 -
Cross type focus points - -
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 28-102mm (3.6x)
Highest aperture - f/3.5-5.1
Macro focusing range - 3cm
Available lenses 107 -
Crop factor 2.1 5.8
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3 inches 2.7 inches
Resolution of display 460 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch capability
Display technology HyperCrystal LCD AR(Anti-Reflective) coating TFT Color LCD
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Min shutter speed 60s 4s
Max shutter speed 1/4000s 1/2000s
Continuous shutter rate 6.0fps 1.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Change WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 5.80 m
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-Eye, Fill-in
Hot shoe
AEB
WB bracketing
Max flash synchronize 1/160s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps)
Max video resolution 1920x1080 1280x720
Video data format AVCHD, Motion JPEG MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 265g (0.58 lb) 155g (0.34 lb)
Physical dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 96 x 63 x 23mm (3.8" x 2.5" x 0.9")
DXO scores
DXO Overall rating 52 not tested
DXO Color Depth rating 21.0 not tested
DXO Dynamic range rating 10.3 not tested
DXO Low light rating 499 not tested
Other
Battery life 330 photographs 150 photographs
Form of battery Battery Pack Battery Pack
Battery ID BLS-5 LI-42B
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec, pet auto shutter)
Time lapse recording
Storage type SD/SDHC/SDXC SD/SDHC/SDXC
Card slots One One
Pricing at release $499 $0