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Sony TX7 vs Sony A77

Portability
95
Imaging
33
Features
34
Overall
33
Sony Cyber-shot DSC-TX7 front
 
Sony SLT-A77 front
Portability
59
Imaging
64
Features
83
Overall
71

Sony TX7 vs Sony A77 Key Specs

Sony TX7
(Full Review)
  • 10MP - 1/2.4" Sensor
  • 3.5" Fixed Screen
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 149g - 98 x 60 x 18mm
  • Launched January 2010
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Launched October 2011
  • Replaced the Sony A700
  • Updated by Sony A77 II
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Sony TX7 vs Sony A77 Overview

Below is a complete analysis of the Sony TX7 and Sony A77, one being a Ultracompact and the latter is a Advanced DSLR and both of them are sold by Sony. There exists a big gap between the image resolutions of the TX7 (10MP) and A77 (24MP) and the TX7 (1/2.4") and A77 (APS-C) provide different sensor dimensions.

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The TX7 was manufactured 21 months prior to the A77 which makes them a generation apart from one another. Each of the cameras feature different body design with the Sony TX7 being a Ultracompact camera and the Sony A77 being a Mid-size SLR camera.

Before getting right into a more detailed comparison, here is a brief summary of how the TX7 grades against the A77 when it comes to portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Sony TX7 over the Sony A77

 TX7 A77 
Screen size3.5"3"Bigger screen (+0.5")
Touch friendly screen Quickly navigate

Reasons to pick Sony A77 over the Sony TX7

 A77 TX7 
LaunchedOctober 2011January 2010More recent by 21 months
Manually focus Dial precise focusing
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Take selfies

Common features in the Sony TX7 and Sony A77

 TX7 A77 
Screen resolution921k921kIdentical screen resolution

Sony TX7 vs Sony A77 Physical Comparison

If you are going to lug around your camera regularly, you need to consider its weight and proportions. The Sony TX7 provides outside measurements of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") having a weight of 149 grams (0.33 lbs) and the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 732 grams (1.61 lbs).

Take a look at the Sony TX7 and Sony A77 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at the time. Underneath is a front view dimensions comparison of the TX7 versus the A77.

Sony TX7 vs Sony A77 size comparison

Factoring in dimensions and weight, the portability grade of the TX7 and A77 is 95 and 59 respectively.

Sony TX7 vs Sony A77 top view buttons comparison

Sony TX7 vs Sony A77 Sensor Comparison

Sometimes, it is very difficult to picture the difference between sensor measurements simply by looking at a spec sheet. The graphic below will help give you a much better sense of the sensor measurements in the TX7 and A77.

As you can see, both of these cameras feature different megapixels and different sensor measurements. The TX7 due to its tinier sensor is going to make achieving shallower depth of field trickier and the Sony A77 will give you extra detail due to its extra 14MP. Higher resolution will also let you crop shots way more aggressively. The older TX7 is going to be behind with regard to sensor tech.

Sony TX7 vs Sony A77 sensor size comparison

Sony TX7 vs Sony A77 Screen and ViewFinder

Sony TX7 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony TX7 Portrait photography highlights
Sony A77 Portrait photography highlights
19
lack of manual focus
no manual control
no external flash support
MP count low (10 megapixels)
sensor size is tiny (1/2.4")
no RAW format
78
manual focus
decent sensor resolution (24 megapixels)
sensor size is nice (APS-C)
features face detect autofocus
delivers RAW formats
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Street Comparison

Sony TX7 as a Street photography camera
Sony A77 as a Street photography camera
59
built in image stabilization (Optical)
provides touch focus
no articulating screen
sensor size is tiny (1/2.4")
no RAW format
heavier than others in class (149 grams)
75
screen articulates
has image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
environment proofing
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Sports Comparison

Sony TX7 Sports photography highlights
Sony A77 Sports photography highlights
26
built in image stabilization (Optical)
no shutter priority
MP count low (10MP)
sensor size is tiny (1/2.4")
no phase detect autofocus
74
high shutter speed (1/8,000s)
has image stabilization (Sensor based)
decent sensor resolution (24MP)
sensor size is nice (APS-C)
environment proofing
comes with phase detect autofocus
low battery life (470 CIPA)
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Travel Comparison

Sony TX7 as a Travel photography camera
Sony A77 as a Travel photography camera
59
provides touch focus
flash built-in
reasonably wide (25mm)
doesn't have Time Lapse recording
heavier than others in class (149g)
MP count low (10 megapixels)
screen isn't selfie friendly
slow maximum aperture (f3.5)
63
environment proofing
decent sensor resolution (24MP)
has built in flash
selfie friendly display
doesn't have Time Lapse mode
low battery life (470 CIPA)
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Landscape Comparison

Landscape photography with Sony TX7
Landscape photography with Sony A77
36
reasonably wide (25mm)
big screen (3.5")
built in image stabilization (Optical)
lack of manual focus
lens is fixed (fixed lens mount)
slow maximum aperture (f3.5)
no manual control
MP count low (10MP)
sensor size is tiny (1/2.4")
no RAW format
doesn't have Time Lapse recording
71
manual focus
change lenses (Sony/Minolta Alpha mount)
screen is a decent size (3 inch)
has image stabilization (Sensor based)
decent sensor resolution (24MP)
sensor size is nice (APS-C)
delivers RAW formats
environment proofing
low battery life (470 CIPA)
doesn't have Time Lapse mode
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Vlogging Comparison

Sony TX7 Vlogging highlights
Sony A77 Vlogging highlights
32
reasonably wide (25mm)
touchscreen enabled
built in image stabilization (Optical)
high res video (1920 x 1080 pixels)
slow maximum aperture (f3.5)
screen isn't selfie friendly
doesn't have mic port
heavier than others in class (149 grams)
76
selfie friendly display
has image stabilization (Sensor based)
features face detect autofocus
video resolution high (1920 x 1080 pixels)
does have mic jack
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Sony TX7 vs Sony A77 Specifications

Detailed spec comparison table for Sony TX7 and Sony A77
 Sony Cyber-shot DSC-TX7Sony SLT-A77
General Information
Manufacturer Sony Sony
Model type Sony Cyber-shot DSC-TX7 Sony SLT-A77
Type Ultracompact Advanced DSLR
Launched 2010-01-07 2011-10-25
Body design Ultracompact Mid-size SLR
Sensor Information
Processor Chip Bionz Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1/2.4" APS-C
Sensor dimensions 6.104 x 4.578mm 23.5 x 15.6mm
Sensor area 27.9mm² 366.6mm²
Sensor resolution 10 megapixels 24 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Highest Possible resolution 3456 x 2592 6000 x 4000
Maximum native ISO 3200 16000
Maximum enhanced ISO - 25600
Min native ISO 125 50
RAW images
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 9 19
Cross type focus points - 11
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 25-100mm (4.0x) -
Max aperture f/3.5-4.6 -
Macro focusing range 1cm -
Total lenses - 143
Focal length multiplier 5.9 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen diagonal 3.5 inch 3 inch
Screen resolution 921 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Minimum shutter speed 2 secs 30 secs
Fastest shutter speed 1/1600 secs 1/8000 secs
Continuous shutter speed 10.0 frames per second 12.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change white balance
Image stabilization
Integrated flash
Flash distance 3.80 m 12.00 m
Flash settings Auto, On, Off, Slow syncro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync - 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60 fps), 1440 x 1080 (60, 30fps), 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1920x1080 1920x1080
Video file format AVCHD MPEG-4, AVCHD, H.264
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 149g (0.33 lbs) 732g (1.61 lbs)
Physical dimensions 98 x 60 x 18mm (3.9" x 2.4" x 0.7") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall 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 - 470 photos
Style of battery - Battery Pack
Battery ID NP-BN1 NP-FM500H
Self timer Yes (2 sec or 10 sec, portrait1/ portrait2) Yes (2 or 10 sec)
Time lapse recording
Type of storage Memory Stick Duo / Pro Duo/ PRO HG-Duo, optional SD, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Launch price $300 $900