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Sony TX7 vs Sony A33

Portability
95
Imaging
33
Features
34
Overall
33
Sony Cyber-shot DSC-TX7 front
 
Sony SLT-A33 front
Portability
67
Imaging
54
Features
80
Overall
64

Sony TX7 vs Sony A33 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
  • Revealed January 2010
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Launched August 2010
  • Later Model is Sony A35
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Sony TX7 vs Sony A33 Overview

Its time to look more closely at the Sony TX7 vs Sony A33, former is a Ultracompact while the other is a Entry-Level DSLR and both are created by Sony. There exists a considerable gap between the resolutions of the TX7 (10MP) and A33 (14MP) and the TX7 (1/2.4") and A33 (APS-C) possess different sensor dimensions.

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The TX7 was launched 7 months earlier than the A33 and they are of a similar age. Both of the cameras offer different body type with the Sony TX7 being a Ultracompact camera and the Sony A33 being a Compact SLR camera.

Before diving straight into a step-by-step comparison, below is a concise overview of how the TX7 scores versus the A33 for portability, imaging, features and an overall mark.

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Reasons to pick Sony TX7 over the Sony A33

 TX7 A33 
Display sizing3.5"3"Larger display (+0.5")
Touch friendly display Easily navigate

Reasons to pick Sony A33 over the Sony TX7

 A33 TX7 
LaunchedAugust 2010January 2010Newer by 7 months
Manual focus More accurate focusing
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Common features in the Sony TX7 and Sony A33

 TX7 A33 
Display resolution921k921kExact same display resolution

Sony TX7 vs Sony A33 Physical Comparison

When you are planning to travel with your camera regularly, you need to factor its weight and dimensions. The Sony TX7 offers outer dimensions of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") with a weight of 149 grams (0.33 lbs) whilst the Sony A33 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Analyze the Sony TX7 vs Sony A33 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ depending on the lens you select at that moment. Below is the front view physical size comparison of the TX7 vs the A33.

Sony TX7 vs Sony A33 size comparison

Factoring in dimensions and weight, the portability grade of the TX7 and A33 is 95 and 67 respectively.

Sony TX7 vs Sony A33 top view buttons comparison

Sony TX7 vs Sony A33 Sensor Comparison

More often than not, its difficult to picture the difference between sensor dimensions just by looking at a spec sheet. The image here might offer you a more clear sense of the sensor sizes in the TX7 and A33.

Clearly, the two cameras offer different resolutions and different sensor dimensions. The TX7 featuring a tinier sensor is going to make achieving shallower DOF harder and the Sony A33 will give greater detail utilizing its extra 4 Megapixels. Greater resolution can also help you crop photos a little more aggressively. The more aged TX7 is going to be behind when it comes to sensor tech.

Sony TX7 vs Sony A33 sensor size comparison

Sony TX7 vs Sony A33 Screen and ViewFinder

Sony TX7 vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony TX7
Portrait photography with Sony A33
19
lack of manual focus
manual mode not available
external flash not possible
sensor resolution low (10MP)
tiny sensor size (1/2.4")
doesn't have RAW files
72
manual focus
decent megapixels (14MP)
sensor size is good (APS-C)
supports face detection focusing
delivers RAW files
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Street Comparison

Street photography with Sony TX7
Street photography with Sony A33
59
has image stabilization (Optical)
supports touch focus
no moving screen
tiny sensor size (1/2.4")
doesn't have RAW files
more heavy than others (149 grams)
76
fully articulated screen
built in image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
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Sports Comparison

Sports photography with Sony TX7
Sports photography with Sony A33
26
has image stabilization (Optical)
lack of shutter priority mode
sensor resolution low (10 megapixels)
tiny sensor size (1/2.4")
doesn't have phase detect auto focus
67
built in image stabilization (Sensor based)
decent megapixels (14 megapixels)
sensor size is good (APS-C)
sensor has phase detect AF
bad battery life (340 CIPA)
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Travel Comparison

Sony TX7 Travel photography details
Sony A33 Travel photography details
59
supports touch focus
built-in flash
quite wide (25mm)
does not have Timelapse function
more heavy than others (149g)
sensor resolution low (10MP)
doesn't feature selfie friendly display
sluggish max aperture (f3.5)
61
decent megapixels (14MP)
has built in flash
selfie friendly display
missing Time Lapse mode
bad battery life (340 CIPA)
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Landscape Comparison

Sony TX7 Landscape photography features
Sony A33 Landscape photography features
36
quite wide (25mm)
screen larger than average (3.5")
has image stabilization (Optical)
lack of manual focus
lens is fixed (fixed lens mount)
sluggish max aperture (f3.5)
manual mode not available
sensor resolution low (10MP)
tiny sensor size (1/2.4")
doesn't have RAW files
does not have Timelapse function
67
manual focus
change lenses (Sony/Minolta Alpha mount)
nice screen size (3 inch)
built in image stabilization (Sensor based)
decent megapixels (14MP)
sensor size is good (APS-C)
delivers RAW files
bad battery life (340 per charge)
missing Time Lapse mode
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Vlogging Comparison

Sony TX7 Vlogging factors
Sony A33 Vlogging factors
32
quite wide (25mm)
touchscreen enabled
has image stabilization (Optical)
video res high (1920 x 1080 pxls)
sluggish max aperture (f3.5)
doesn't feature selfie friendly display
does not have microphone jack
more heavy than others (149 grams)
77
selfie friendly display
built in image stabilization (Sensor based)
supports face detection focusing
high res video (1920 x 1080 resolution)
includes external mic support
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Sony TX7 vs Sony A33 Specifications

Detailed spec comparison table for Sony TX7 and Sony A33
 Sony Cyber-shot DSC-TX7Sony SLT-A33
General Information
Company Sony Sony
Model Sony Cyber-shot DSC-TX7 Sony SLT-A33
Type Ultracompact Entry-Level DSLR
Revealed 2010-01-07 2010-08-24
Physical type Ultracompact Compact SLR
Sensor Information
Powered by 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 10MP 14MP
Anti aliasing filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Max resolution 3456 x 2592 4592 x 3056
Max native ISO 3200 12800
Max enhanced ISO - 25600
Min native ISO 125 100
RAW files
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 9 15
Cross focus points - 3
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 25-100mm (4.0x) -
Max aperture f/3.5-4.6 -
Macro focus range 1cm -
Number of lenses - 143
Crop factor 5.9 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen diagonal 3.5 inches 3 inches
Resolution of screen 921 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,150 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Minimum shutter speed 2s 30s
Fastest shutter speed 1/1600s 1/4000s
Continuous shutter rate 10.0 frames/s 7.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change white balance
Image stabilization
Built-in flash
Flash range 3.80 m 10.00 m (@ ISO 100)
Flash options Auto, On, Off, Slow syncro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize - 1/160s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 1920x1080 1920x1080
Video file format AVCHD MPEG-4, AVCHD, H.264
Mic support
Headphone support
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 149g (0.33 pounds) 500g (1.10 pounds)
Dimensions 98 x 60 x 18mm (3.9" x 2.4" x 0.7") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall score not tested 70
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 591
Other
Battery life - 340 shots
Type of battery - Battery Pack
Battery model NP-BN1 NP-FW50
Self timer Yes (2 sec or 10 sec, portrait1/ portrait2) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Memory Stick Duo / Pro Duo/ PRO HG-Duo, optional SD, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Launch price $300 $230