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Panasonic G100 vs Sony A900

Portability
81
Imaging
63
Features
76
Overall
68
Panasonic Lumix DC-G100 front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
67
Features
62
Overall
65

Panasonic G100 vs Sony A900 Key Specs

Panasonic G100
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • 3840 x 1920 video
  • Micro Four Thirds Mount
  • 352g - 116 x 83 x 54mm
  • Revealed June 2020
Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Revealed October 2008
  • New Model is Sony A99
Photography Glossary

Panasonic G100 vs Sony A900 Overview

Following is a thorough assessment of the Panasonic G100 and Sony A900, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by manufacturers Panasonic and Sony. The image resolution of the G100 (20MP) and the A900 (25MP) is relatively similar but the G100 (Four Thirds) and A900 (Full frame) posses totally different sensor measurements.

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The G100 was released 11 years after the A900 which is quite a sizable difference as far as technology is concerned. Each of these cameras feature different body design with the Panasonic G100 being a SLR-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before getting right into a step-by-step comparison, here is a quick introduction of how the G100 scores versus the A900 with regards to portability, imaging, features and an overall score.

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Reasons to pick Panasonic G100 over the Sony A900

 G100 A900 
RevealedJune 2020October 2008More modern by 143 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1840k922kSharper screen (+918k dot)
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Sony A900 over the Panasonic G100

 A900 G100 

Common features in the Panasonic G100 and Sony A900

 G100 A900 
Manual focus More precise focusing
Screen size3"3"Same screen measurements

Panasonic G100 vs Sony A900 Physical Comparison

In case you're intending to carry around your camera often, you will want to think about its weight and volume. The Panasonic G100 offers exterior dimensions of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") with a weight of 352 grams (0.78 lbs) and the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

See the Panasonic G100 and Sony A900 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ dependant on the lens you are utilizing at that time. Underneath is a front view scale comparison of the G100 vs the A900.

Panasonic G100 vs Sony A900 size comparison

Looking at dimensions and weight, the portability score of the G100 and A900 is 81 and 54 respectively.

Panasonic G100 vs Sony A900 top view buttons comparison

Panasonic G100 vs Sony A900 Sensor Comparison

Normally, its tough to see the gap between sensor sizes just by reviewing technical specs. The image underneath may offer you a clearer sense of the sensor dimensions in the G100 and A900.

As you have seen, both of these cameras come with different megapixels and different sensor sizes. The G100 featuring a tinier sensor will make getting shallower DOF more challenging and the Sony A900 will offer you more detail as a result of its extra 5MP. Higher resolution will also help you crop photographs a good deal more aggressively. The more recent G100 is going to have a benefit in sensor tech.

Panasonic G100 vs Sony A900 sensor size comparison

Panasonic G100 vs Sony A900 Screen and ViewFinder

Panasonic G100 vs Sony A900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G100 as a Portrait photography camera
Sony A900 as a Portrait photography camera
77
manual focus
good MP (20 megapixels)
sensor size is decent (Four Thirds)
comes with face detect focusing
saves RAW formats
72
you can focus manually
sensor resolution is fantastic (25MP)
sensor size is big (Full frame)
supports RAW files
doesn't have liveview
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Street Comparison

Street photography with Panasonic G100
Street photography with Sony A900
78
fully articulated screen
sensor size is decent (Four Thirds)
saves RAW formats
features focus via touch
great high ISO (25,600)
does not have image stabilization
66
image stabilization (Sensor based)
sensor size is big (Full frame)
supports RAW files
environment sealing
no articulating screen
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Sports Comparison

Panasonic G100 Sports photography features
Sony A900 Sports photography features
56
quiet mode (1/16,000 seconds)
good MP (20MP)
sensor size is decent (Four Thirds)
comes with tracking focus
low maximum shutter speed (1/500 seconds)
does not have image stabilization
low battery (270 per charge)
has no phase detect AF
71
maximum shutter speed is high (1/8,000s)
image stabilization (Sensor based)
sensor resolution is fantastic (25 megapixels)
sensor size is big (Full frame)
environment sealing
sensor has phase detect AF
doesn't have liveview
slow continuous shooting (5.0 fps)
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Travel Comparison

Panasonic G100 Travel photography details
Sony A900 Travel photography details
78
connects via bluetooth
features focus via touch
good MP (20MP)
built-in flash
screen is selfie friendly
low battery (270 shots)
55
environment sealing
sensor resolution is fantastic (25 megapixels)
missing Timelapse function
screen isn't selfie friendly
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Landscape Comparison

Panasonic G100 Landscape photography advice
Sony A900 Landscape photography advice
72
manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3")
good MP (20MP)
sensor size is decent (Four Thirds)
great high ISO (25,600)
saves RAW formats
does not have image stabilization
low battery (270 per charge)
73
you can focus manually
change lenses (Sony/Minolta Alpha mount)
screen size is decent (3")
image stabilization (Sensor based)
sensor resolution is fantastic (25 megapixels)
sensor size is big (Full frame)
supports RAW files
environment sealing
has dual storage slots
doesn't have liveview
missing Timelapse function
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Vlogging Comparison

Vlogging with Panasonic G100
Vlogging with Sony A900
78
screen is selfie friendly
built-in touchscreen
comes with face detect focusing
video res high (3840 x 1920 resolution)
comes with microphone support
does not have image stabilization
9
can't shoot video
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Panasonic G100 vs Sony A900 Specifications

Detailed spec comparison table for Panasonic G100 and Sony A900
 Panasonic Lumix DC-G100Sony Alpha DSLR-A900
General Information
Brand Name Panasonic Sony
Model Panasonic Lumix DC-G100 Sony Alpha DSLR-A900
Type Entry-Level Mirrorless Advanced DSLR
Revealed 2020-06-24 2008-10-22
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Processor - Bionz
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.9 x 24mm
Sensor area 224.9mm² 861.6mm²
Sensor resolution 20 megapixels 25 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 5184 x 3888 6048 x 4032
Maximum native ISO 25600 6400
Minimum native ISO 200 100
RAW data
Minimum enhanced ISO 100 -
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 49 9
Lens
Lens mount Micro Four Thirds Sony/Minolta Alpha
Available lenses 107 143
Focal length multiplier 2.1 1
Screen
Range of screen Fully Articulated Fixed Type
Screen sizing 3 inch 3 inch
Screen resolution 1,840k dot 922k dot
Selfie friendly
Liveview
Touch screen
Screen tech - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 3,680k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.73x 0.74x
Features
Min shutter speed 60s 30s
Max shutter speed 1/500s 1/8000s
Max silent shutter speed 1/16000s -
Continuous shutter speed 10.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range 3.60 m (at ISO 100) no built-in flash
Flash options Auto, auto w/redeye reduction, on, on w/redeye redduction, slow sync, slow sync w/redeye reduction, off Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
WB bracketing
Max flash sync - 1/250s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 1920 @ 30p / 100 Mbps, MOV, H.264, AAC3840 x 1920 @ 25p / 100 Mbps, MOV, H.264, AAC3840 x 1920 @ 24p / 100 Mbps, MOV, H.264, AAC1920 x 1080 @ 120p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 50p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 30p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 25p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 24p / 28 Mbps, MOV, H.264, AAC -
Maximum video resolution 3840x1920 None
Video data format MPEG-4, H.264 -
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 352 grams (0.78 lbs) 895 grams (1.97 lbs)
Physical dimensions 116 x 83 x 54mm (4.6" x 3.3" x 2.1") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO Overall score not tested 79
DXO Color Depth score not tested 23.7
DXO Dynamic range score not tested 12.3
DXO Low light score not tested 1431
Other
Battery life 270 pictures 880 pictures
Battery format Battery Pack Battery Pack
Battery model - NP-FM500H
Self timer Yes Yes (2 or 10 sec)
Time lapse recording
Storage media SD/SDHC/SDXC card (UHS-I supported) Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Storage slots 1 Dual
Launch price $698 $2,736