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Sony A6400 vs Sony A55

Portability
83
Imaging
69
Features
88
Overall
76
Sony Alpha a6400 front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sony A6400 vs Sony A55 Key Specs

Sony A6400
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Push to 102400)
  • 3840 x 2160 video
  • Sony E Mount
  • 403g - 120 x 67 x 50mm
  • Announced January 2019
Sony A55
(Full Review)
  • 16MP - 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
  • Announced August 2010
  • Renewed by Sony A57
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Sony A6400 vs Sony A55 Overview

Following is a complete comparison of the Sony A6400 versus Sony A55, one is a Advanced Mirrorless and the other is a Entry-Level DSLR and they are both offered by Sony. There exists a sizeable gap between the image resolutions of the A6400 (24MP) and A55 (16MP) but they come with the exact same sensor size (APS-C).

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The A6400 was introduced 8 years after the A55 which is quite a large gap as far as technology is concerned. Both the cameras come with different body type with the Sony A6400 being a Rangefinder-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before getting through a comprehensive comparison, below is a simple highlight of how the A6400 grades versus the A55 when it comes to portability, imaging, features and an overall score.

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Reasons to pick Sony A6400 over the Sony A55

 A6400 A55 
AnnouncedJanuary 2019August 2010More modern by 103 months
Display resolution922k921kCrisper display (+1k dot)
Touch display Easily navigate

Reasons to pick Sony A55 over the Sony A6400

 A55 A6400 
Display typeFully ArticulatedTiltingFully Articulating display

Common features in the Sony A6400 and Sony A55

 A6400 A55 
Manual focus Dial exact focus
Display dimension3"3"Identical display size
Selfie screen Both good for selfies

Sony A6400 vs Sony A55 Physical Comparison

For anyone who is aiming to carry around your camera frequently, you need to consider its weight and measurements. The Sony A6400 enjoys exterior measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") and a weight of 403 grams (0.89 lbs) and the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Contrast the Sony A6400 versus Sony A55 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Below is the front view over all size comparison of the A6400 vs the A55.

Sony A6400 vs Sony A55 size comparison

Using dimensions and weight, the portability score of the A6400 and A55 is 83 and 67 respectively.

Sony A6400 vs Sony A55 top view buttons comparison

Sony A6400 vs Sony A55 Sensor Comparison

Normally, it is very tough to picture the difference between sensor sizes purely by reading technical specs. The image below should provide you a greater sense of the sensor sizing in the A6400 and A55.

As you have seen, the 2 cameras posses the exact same sensor measurements but different resolution. You should anticipate the Sony A6400 to offer extra detail using its extra 8 Megapixels. Greater resolution will also allow you to crop photos somewhat more aggressively. The more recent A6400 should have an advantage with regard to sensor tech.

Sony A6400 vs Sony A55 sensor size comparison

Sony A6400 vs Sony A55 Screen and ViewFinder

Sony A6400 vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A6400 Portrait photography highlights
Sony A55 Portrait photography highlights
81
has manual focus
good MP (24 megapixels)
sensor size is nice (APS-C)
supports face detect focus
saves RAW files
73
manual focus
MP count decent (16 megapixels)
sensor size is decent (APS-C)
includes face detect focus
supports RAW files
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Street Comparison

Sony A6400 Street photography information
Sony A55 Street photography information
81
screen tilts
sensor size is nice (APS-C)
saves RAW files
has focus via touch
weather proof
good high ISO (32,000)
does not have image stabilization
77
screen articulates
image stabilization (Sensor based)
sensor size is decent (APS-C)
supports RAW files
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Sports Comparison

Sony A6400 Sports photography factors
Sony A55 Sports photography factors
76
good MP (24 megapixels)
sensor size is nice (APS-C)
supports tracking focus
weather proof
has phase detect auto focus
does not have image stabilization
68
image stabilization (Sensor based)
MP count decent (16 megapixels)
sensor size is decent (APS-C)
supports phase detect auto focus
low battery pack (380 shots)
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Travel Comparison

Sony A6400 Travel photography factors
Sony A55 Travel photography factors
87
weather proof
connects via bluetooth
has focus via touch
good MP (24 megapixels)
built-in flash
selfie friendly display
62
MP count decent (16 megapixels)
has built in flash
display is selfie friendly
does not have Timelapse function
low battery pack (380 shots)
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Landscape Comparison

Sony A6400 Landscape photography information
Sony A55 Landscape photography information
80
has manual focus
switch lenses (Sony E mount)
screen size is good (3 inch)
good MP (24 megapixels)
sensor size is nice (APS-C)
good high ISO (32,000)
saves RAW files
weather proof
does not have image stabilization
67
manual focus
change lenses (Sony/Minolta Alpha mount)
screen size is good (3 inch)
image stabilization (Sensor based)
MP count decent (16MP)
sensor size is decent (APS-C)
supports RAW files
low battery pack (380 per charge)
does not have Timelapse function
Photography Glossary

Vlogging Comparison

Vlogging with Sony A6400
Vlogging with Sony A55
80
selfie friendly display
touch screen
supports face detect focus
high video quality (3840 x 2160 pixels)
has microphone jack
does not have image stabilization
78
display is selfie friendly
image stabilization (Sensor based)
includes face detect focus
good video quality (1920 x 1080 resolution)
comes with microphone jack
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Sony A6400 vs Sony A55 Specifications

Detailed spec comparison table for Sony A6400 and Sony A55
 Sony Alpha a6400Sony SLT-A55
General Information
Brand Name Sony Sony
Model Sony Alpha a6400 Sony SLT-A55
Type Advanced Mirrorless Entry-Level DSLR
Announced 2019-01-15 2010-08-24
Body design Rangefinder-style mirrorless Compact SLR
Sensor Information
Processor Chip Bionz X Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.6mm 23.5 x 15.6mm
Sensor area 366.6mm² 366.6mm²
Sensor resolution 24MP 16MP
Anti aliasing filter
Aspect ratio 1:1, 3:2 and 16:9 3:2 and 16:9
Peak resolution 6000 x 4000 4912 x 3264
Highest native ISO 32000 12800
Highest enhanced ISO 102400 25600
Min native ISO 100 100
RAW images
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 425 15
Cross focus points - 3
Lens
Lens mount Sony E Sony/Minolta Alpha
Total lenses 121 143
Focal length multiplier 1.5 1.5
Screen
Screen type Tilting Fully Articulated
Screen sizing 3 inches 3 inches
Resolution of screen 922 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,359 thousand dot 1,150 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.73x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/4000 secs 1/4000 secs
Continuous shutter speed 11.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 6.00 m (at ISO 100) 10.00 m (@ ISO 100)
Flash settings Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AE bracketing
White balance bracketing
Max flash sync - 1/160 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 3840x2160 1920x1080
Video data format MPEG-4, H.264, XAVC-S MPEG-4, AVCHD, H.264
Microphone input
Headphone input
Connectivity
Wireless Built-In 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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 403 grams (0.89 lb) 500 grams (1.10 lb)
Dimensions 120 x 67 x 50mm (4.7" x 2.6" x 2.0") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall score 83 73
DXO Color Depth score 24.0 23.0
DXO Dynamic range score 13.6 12.4
DXO Low light score 1431 816
Other
Battery life 410 shots 380 shots
Type of battery Battery Pack Battery Pack
Battery model NP-FW50 NP-FW50
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Launch cost $898 $800