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Sony A7R III vs Sony A300

Portability
63
Imaging
78
Features
93
Overall
84
Sony Alpha A7R III front
 
Sony Alpha DSLR-A300 front
Portability
64
Imaging
49
Features
45
Overall
47

Sony A7R III vs Sony A300 Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Introduced October 2017
  • Old Model is Sony A7R II
  • Successor is Sony A7R IV
Sony A300
(Full Review)
  • 10MP - APS-C Sensor
  • 2.7" Tilting Screen
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 632g - 131 x 99 x 75mm
  • Released January 2008
  • Refreshed by Sony A330
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Sony A7R III vs Sony A300 Overview

On this page, we will be analyzing the Sony A7R III vs Sony A300, one being a Pro Mirrorless and the latter is a Entry-Level DSLR and both are built by Sony. There is a huge difference among the resolutions of the A7R III (42MP) and A300 (10MP) and the A7R III (Full frame) and A300 (APS-C) have different sensor sizing.

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The A7R III was introduced 9 years later than the A300 and that is a fairly significant gap as far as camera tech is concerned. Both of these cameras have different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony A300 being a Compact SLR camera.

Before we go into a complete comparison, here is a quick highlight of how the A7R III matches up vs the A300 when considering portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Sony A7R III over the Sony A300

 A7R III A300 
ReleasedOctober 2017January 2008More recent by 119 months
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution1440k230kCrisper screen (+1210k dot)
Touch screen Quickly navigate

Reasons to pick Sony A300 over the Sony A7R III

 A300 A7R III 

Common features in the Sony A7R III and Sony A300

 A7R III A300 
Manual focus More exact focus
Screen typeTiltingTiltingTilting screen
Selfie screen No selfie screen

Sony A7R III vs Sony A300 Physical Comparison

For anybody who is aiming to lug around your camera frequently, you're going to have to factor in its weight and proportions. The Sony A7R III has physical measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs) while the Sony A300 has measurements of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") accompanied by a weight of 632 grams (1.39 lbs).

Check the Sony A7R III vs Sony A300 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose at the time. The following is a front view overall size comparison of the A7R III vs the A300.

Sony A7R III vs Sony A300 size comparison

Taking into consideration size and weight, the portability grade of the A7R III and A300 is 63 and 64 respectively.

Sony A7R III vs Sony A300 top view buttons comparison

Sony A7R III vs Sony A300 Sensor Comparison

Usually, it is very tough to visualize the difference in sensor measurements merely by seeing technical specs. The graphic below should give you a much better sense of the sensor measurements in the A7R III and A300.

As you can tell, the two cameras provide different megapixels and different sensor measurements. The A7R III having a bigger sensor is going to make achieving shallow depth of field simpler and the Sony A7R III will show extra detail using its extra 32 Megapixels. Higher resolution will allow you to crop photographs more aggressively. The more recent A7R III provides an edge in sensor technology.

Sony A7R III vs Sony A300 sensor size comparison

Sony A7R III vs Sony A300 Screen and ViewFinder

Sony A7R III vs Sony A300 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III Portrait photography highlights
Sony A300 Portrait photography highlights
86
manual focus
high MP (42 megapixels)
big sensor size (Full frame)
includes face detection focusing
delivers RAW files
59
focusing manually
good sensor size (APS-C)
saves RAW files
sensor resolution low (10MP)
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Street Comparison

Sony A7R III Street photography highlights
Sony A300 Street photography highlights
79
tilting screen
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW files
provides focus by touch
weather proofing
above average ISO range (32,000)
74
has a tilting screen
built in image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW files
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Sports Comparison

Sports photography with Sony A7R III
Sports photography with Sony A300
89
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
high MP (42 megapixels)
big sensor size (Full frame)
includes tracking autofocus
weather proofing
good battery life (650 CIPA)
comes with phase detect AF
54
built in image stabilization (Sensor based)
good sensor size (APS-C)
comes with phase detect auto focus
very slow continuous shooting (3.0 frames per second)
sensor resolution low (10 megapixels)
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Travel Comparison

Travel photography with Sony A7R III
Travel photography with Sony A300
74
good battery life (650 shots)
weather proofing
connects via bluetooth
provides focus by touch
high MP (42 megapixels)
screen isn't selfie friendly
45
built-in flash
lack of Timelapse function
sensor resolution low (10 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Sony A7R III Landscape photography features
Sony A300 Landscape photography features
87
manual focus
change lenses (Sony E mount)
pretty good screen size (3 inches)
image stabilization (Sensor based 5-axis)
high MP (42MP)
big sensor size (Full frame)
no anti aliasing filter
above average ISO range (32,000)
delivers RAW files
weather proofing
good battery life (650 CIPA)
two card slots
57
focusing manually
change lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW files
tiny screen (2.7 inches)
sensor resolution low (10MP)
lack of Timelapse function
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Vlogging Comparison

Sony A7R III Vlogging details
Sony A300 Vlogging details
37
has touchscreen
image stabilization (Sensor based 5-axis)
includes face detection focusing
video res high (3840 x 2160 resolution)
does have external mic socket
screen isn't selfie friendly
9
lack of video recording
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Sony A7R III vs Sony A300 Specifications

Detailed spec comparison table for Sony A7R III and Sony A300
 Sony Alpha A7R IIISony Alpha DSLR-A300
General Information
Make Sony Sony
Model Sony Alpha A7R III Sony Alpha DSLR-A300
Class Pro Mirrorless Entry-Level DSLR
Introduced 2017-10-25 2008-01-30
Body design SLR-style mirrorless Compact SLR
Sensor Information
Processor Bionz X -
Sensor type BSI-CMOS CCD
Sensor size Full frame APS-C
Sensor measurements 35.9 x 24mm 23.6 x 15.8mm
Sensor surface area 861.6mm² 372.9mm²
Sensor resolution 42 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 3:2 and 16:9 -
Highest resolution 7952 x 5304 3872 x 2592
Highest native ISO 32000 3200
Highest boosted ISO 102400 -
Minimum native ISO 100 100
RAW photos
Minimum boosted ISO 50 -
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 425 9
Lens
Lens mounting type Sony E Sony/Minolta Alpha
Available lenses 121 143
Crop factor 1 1.5
Screen
Screen type Tilting Tilting
Screen sizing 3" 2.7"
Resolution of screen 1,440 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder resolution 3,686 thousand dot -
Viewfinder coverage 100% 95%
Viewfinder magnification 0.78x 0.49x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/8000 secs 1/4000 secs
Continuous shooting speed 10.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash options Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AE bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) -
Highest video resolution 3840x2160 None
Video data format MPEG-4, AVCHD, XAVC S -
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 657g (1.45 pounds) 632g (1.39 pounds)
Physical dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 131 x 99 x 75mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around score 100 64
DXO Color Depth score 26.0 22.5
DXO Dynamic range score 14.7 11.4
DXO Low light score 3523 538
Other
Battery life 650 shots -
Battery format Battery Pack -
Battery model NP-FZ100 -
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Two SD/SDHC/SDXC slots (UHS-II support on one) Compact Flash
Storage slots Two Single
Pricing at launch $2,800 $0