Sony a77 vs Sony a450

This is a full comparison between the cameras Sony a77 and Sony a450. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Sony.

Sony a77 were released 2011 and Sony a450 was released 2010. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a77 2011
Sony a450 2010

Type of camera

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Sony APS-C") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras has a Full frame sensor which means that you will get a "crop factor" where the camera's sensor size affect the focal length with a multiplier.

Camera Focal length, 50mm f/1.8 **
Sony a77 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5
Sony a450 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)

Resolution

Sony a77 has a 24 MP (Megapixels) resolution while Sony a450 has 14 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a77 24 MP
24000000 pixels
6000 x 4000
Sony a450 14 MP
14033152 pixels
4592 x 3056

Sony a77 has a 71 % larger resolution than Sony a450. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Sony a77 has a larger ISO-range than Sony a450. Sony a77 has an ISO range that stretches from 100 to 16000 while Sony a450 has 200 to 12800.

Camera ISO Range
Sony a77 100-16000
Sony a450 200-12800

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a77
Lens compatibility chart for Sony a450

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a77 can shoot up to 12 pictures per seconds and Sony a450 can shoot up to 7 pictures per seconds.

Camera FPS (Frames per second)
Sony a77 12
Sony a450 7

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

When comparing these two cameras there is only one of them that can shoot movies and that is Sony a77. Unfortunately Sony a450 does not support recording movies and movie clips.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a77 weighs 732 gr (equal to 1.61 lb) which is 31% heavier than Sony a450 and its 560 gr (or 1.23 lb).

Camera Weight
Sony a77 732 gr
1.61 lb
Sony a450 560 gr
1.23 lb

Sony a77 vs Sony a450 Specs

Below you will find the complete and detailed technical specs for both Sony a77 and Sony a450, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Sony a77
Sony a450
Name Sony a77 Sony a450
Manufacturer Sony Sony
Release Date and Price
Sony a77
Sony a450
Release Year 2011 2010
Release Date 2011-08-24 2010-01-05
MSRP 1399 USD N/A
Buy it today
Camera Type
Sony a77
Sony a450
Camera Type SLT DSLR
Sensor
Sony a77
Sony a450
Sensor Size APS-C (approx 23.5 x 15.6 mm) APS-C (approx 23.5 x 15.6 mm)
Sensor Type CMOS CMOS
Resolution 6000 x 4000 pixels 4592 x 3056 pixels
Megapixels 24 MP 14 MP
Image Processor Bionz Bionz
Image
Sony a77
Sony a450
ISO Range 100 - 16000 200 - 12800
White Balance Presets 8 6
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift)
Yes
(Sensor-Shift)
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a77
Sony a450
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Phase Detect
Multi Area
Center
Selective Single Point
Single
Continuous
Focus Points 19 9
Lens Mount Sony A

See Compatible Lenses
Sony A

See Compatible Lenses
Focal Length Multiplier APS-C Sensor (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
APS-C Sensor (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Sony a77
Sony a450
Articulated LCD Fully articulated Fixed
Screen size 3” 2.7”
Screen dots 921000 230400
Touch screen No No
Screen type N/A TFT Clear Photo Color LCD
Live view Yes Yes
Viewfinder Type Electronic Optical (pentamirror)
Viewfinder Coverage 100% 95%
Viewfinder Magnification 1.1× (0.73× 35mm equiv.) 0.8× (0.53× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Sony a77
Sony a450
Frames per second 12 fps 7 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/4000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 12 meters 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No No
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 2 (at 1/3 EV steps)
Videography features
Sony a77
Sony a450
Video recording Yes No
Video format MPEG4
H.264
AVCHD
N/A
Video resolution 1440 x 1080
1920 x 1080
N/A
Built-in Microphone Yes No
Built-in Speakers Yes No
Storage
Sony a77
Sony a450
Memory Card Memory Stick Pro Duo
SD/SDHC
Memory Stick Pro Duo
SD/SDHC
Connectivity
Sony a77
Sony a450
HDMI Output Yes Yes
Microphone Port No No
Headphone Port No No
Wireless Yes
Eye-Fi Connected
No
Remote Control Yes (Optional) Yes (Wired or wirelss (optional))
GPS Yes
Built-in
No
Body & Dimensions
Sony a77
Sony a450
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details Rechargeable NP-FM500H battery & charger
Lithium-Ion NP-FM500H rechargeable battery & charger
Battery Life (CIPA) 470 shots 1050 shots
Width 143 mm 137 mm
Height 104 mm 104 mm
Depth 81 mm 81 mm
Weight 732 gram 560 gram