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Olympus TG-4 vs Sony A77

Portability
90
Imaging
41
Features
51
Overall
45
Olympus Tough TG-4 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Olympus TG-4 vs Sony A77 Key Specs

Olympus TG-4
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 247g - 112 x 66 x 31mm
  • Released April 2015
  • Superseded the Olympus TG-3
  • Renewed by Olympus TG-5
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Released October 2011
  • Older Model is Sony A700
  • Replacement is Sony A77 II
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Olympus TG-4 vs Sony A77 Overview

Here is a extended assessment of the Olympus TG-4 and Sony A77, former being a Waterproof while the latter is a Advanced DSLR by brands Olympus and Sony. There is a substantial difference among the image resolutions of the TG-4 (16MP) and A77 (24MP) and the TG-4 (1/2.3") and A77 (APS-C) feature totally different sensor sizes.

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The TG-4 was unveiled 3 years later than the A77 and that is a fairly big difference as far as camera tech is concerned. Both the cameras come with different body type with the Olympus TG-4 being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before delving in to a full comparison, below is a quick summation of how the TG-4 matches up against the A77 in the way of portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-4 over the Sony A77

 TG-4 A77 
ReleasedApril 2015October 2011Fresher by 43 months

Reasons to pick Sony A77 over the Olympus TG-4

 A77 TG-4 
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution921k460kClearer screen (+461k dot)
Selfie screen Easy selfies

Common features in the Olympus TG-4 and Sony A77

 TG-4 A77 
Manually focus More accurate focus
Screen dimension3"3"Identical screen dimensions
Touch screen No Touch screen

Olympus TG-4 vs Sony A77 Physical Comparison

If you are aiming to carry your camera, you will need to think about its weight and measurements. The Olympus TG-4 features physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs) whilst the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 732 grams (1.61 lbs).

Examine the Olympus TG-4 and Sony A77 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary depending on the lens you are utilising at that moment. Here is the front view sizing comparison of the TG-4 and the A77.

Olympus TG-4 vs Sony A77 size comparison

Taking into consideration size and weight, the portability score of the TG-4 and A77 is 90 and 59 respectively.

Olympus TG-4 vs Sony A77 top view buttons comparison

Olympus TG-4 vs Sony A77 Sensor Comparison

Usually, it can be tough to visualise the gap in sensor sizing purely by checking out technical specs. The visual below should give you a better sense of the sensor sizing in the TG-4 and A77.

As you have seen, both of these cameras have got different megapixel count and different sensor sizing. The TG-4 using its smaller sensor will make shooting shallow depth of field more challenging and the Sony A77 will produce greater detail having an extra 8 Megapixels. Higher resolution will make it easier to crop photographs much more aggressively. The fresher TG-4 will have an edge with regard to sensor tech.

Olympus TG-4 vs Sony A77 sensor size comparison

Olympus TG-4 vs Sony A77 Screen and ViewFinder

Olympus TG-4 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-4
Portrait photography with Sony A77
47
focusing manually
good megapixels (16 megapixels)
includes face detect autofocus
delivers RAW files
manual exposure not possible
cannot use external flash
sensor size is small (1/2.3")
77
you can focus manually
megapixel count decent (24 megapixels)
sensor size is decent (APS-C)
includes face detection focus
saves RAW formats
Photography Glossary

Street Comparison

Olympus TG-4 Street photography advice
Sony A77 Street photography advice
65
built in image stabilization (Sensor-shift)
delivers RAW files
weather proofing
fixed screen
sensor size is small (1/2.3")
more heavy than competition (247 grams)
74
screen can move to multiple angles
has image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
environment proofing
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Sports Comparison

Olympus TG-4 as a Sports photography camera
Sony A77 as a Sports photography camera
48
built in image stabilization (Sensor-shift)
good megapixels (16MP)
includes tracking focus
weather proofing
good battery life (380 CIPA)
max fps low (5.0 frames/s)
no shutter priority
sensor size is small (1/2.3")
lacks phase detect autofocus
74
maximum shutter speed is high (1/8,000 seconds)
has image stabilization (Sensor based)
megapixel count decent (24MP)
sensor size is decent (APS-C)
environment proofing
supports phase detect auto focus
not so great battery (470 shots)
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Travel Comparison

Olympus TG-4 Travel photography details
Sony A77 Travel photography details
74
good battery life (380 shots)
weather proofing
good megapixels (16MP)
has built in flash
fairly wide (25mm)
very good maximum aperture (f2.0)
more heavy than competition (247 grams)
display isn't selfie friendly
62
environment proofing
megapixel count decent (24MP)
built-in flash
screen is selfie friendly
no Timelapse function
not so great battery (470 shots)
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Landscape Comparison

Olympus TG-4 as a Landscape photography camera
Sony A77 as a Landscape photography camera
62
focusing manually
fairly wide (25mm)
very good maximum aperture (f2.0)
screen is a good size (3")
built in image stabilization (Sensor-shift)
good megapixels (16MP)
delivers RAW files
weather proofing
good battery life (380 per charge)
cannot switch lens (fixed lens mount)
manual exposure not possible
sensor size is small (1/2.3")
71
you can focus manually
change lenses (Sony/Minolta Alpha mount)
screen size is good (3")
has image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is decent (APS-C)
saves RAW formats
environment proofing
not so great battery (470 CIPA)
no Timelapse function
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Vlogging Comparison

Olympus TG-4 Vlogging info
Sony A77 Vlogging info
34
fairly wide (25mm)
very good maximum aperture (f2.0)
built in image stabilization (Sensor-shift)
includes face detect autofocus
video res high (1920 x 1080 pixels)
display isn't selfie friendly
missing microphone port
more heavy than competition (247 grams)
76
screen is selfie friendly
has image stabilization (Sensor based)
includes face detection focus
great video quality (1920 x 1080 pixels)
comes with external microphone port
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Olympus TG-4 vs Sony A77 Specifications

Detailed spec comparison table for Olympus TG-4 and Sony A77
 Olympus Tough TG-4Sony SLT-A77
General Information
Manufacturer Olympus Sony
Model type Olympus Tough TG-4 Sony SLT-A77
Category Waterproof Advanced DSLR
Released 2015-04-13 2011-10-25
Body design Compact Mid-size SLR
Sensor Information
Chip TruePic VII Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 16MP 24MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest resolution 4608 x 3456 6000 x 4000
Highest native ISO 6400 16000
Highest boosted ISO - 25600
Minimum native ISO 100 50
RAW pictures
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 25 19
Cross type focus points - 11
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 25-100mm (4.0x) -
Highest aperture f/2.0-4.9 -
Macro focusing range 1cm -
Amount of lenses - 143
Focal length multiplier 5.8 1.5
Screen
Range of screen Fixed Type Fully Articulated
Screen size 3" 3"
Resolution of screen 460k dot 921k dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Slowest shutter speed 4s 30s
Maximum shutter speed 1/2000s 1/8000s
Continuous shooting speed 5.0 frames per sec 12.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 7.90 m (at ISO 1600) 12.00 m
Flash modes Auto, redeye reduction, fill-in, off, LED Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync - 1/250s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 1920x1080 1920x1080
Video format H.264, Motion JPEG MPEG-4, AVCHD, H.264
Microphone jack
Headphone jack
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 BuiltIn
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 247g (0.54 pounds) 732g (1.61 pounds)
Dimensions 112 x 66 x 31mm (4.4" x 2.6" x 1.2") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around rating not tested 78
DXO Color Depth rating not tested 24.0
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 801
Other
Battery life 380 images 470 images
Battery form Battery Pack Battery Pack
Battery ID LI-92B NP-FM500H
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Storage media SD, SDHC, SDXC, Internal Memory SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Launch pricing $379 $900