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Sigma SD14 vs Sony A7S III

Portability
59
Imaging
43
Features
30
Overall
37
Sigma SD14 front
 
Sony Alpha A7S III front
Portability
61
Imaging
65
Features
92
Overall
75

Sigma SD14 vs Sony A7S III Key Specs

Sigma SD14
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 800 (Boost to 1600)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Revealed September 2006
  • Earlier Model is Sigma SD10
  • Replacement is Sigma SD15
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Launched July 2020
  • Replaced the Sony A7S II
Photography Glossary

Sigma SD14 vs Sony A7S III Overview

Here, we are contrasting the Sigma SD14 and Sony A7S III, one being a Advanced DSLR and the other is a Pro Mirrorless by competitors Sigma and Sony. There exists a crucial gap between the image resolutions of the SD14 (5MP) and A7S III (12MP) and the SD14 (APS-C) and A7S III (Full frame) boast totally different sensor size.

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The SD14 was revealed 15 years before the A7S III and that is quite a serious gap as far as technology is concerned. The two cameras feature different body design with the Sigma SD14 being a Mid-size SLR camera and the Sony A7S III being a SLR-style mirrorless camera.

Before getting straight to a more detailed comparison, here is a simple highlight of how the SD14 matches up against the A7S III in terms of portability, imaging, features and an overall grade.

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Reasons to pick Sigma SD14 over the Sony A7S III

 SD14 A7S III 

Reasons to pick Sony A7S III over the Sigma SD14

 A7S III SD14 
LaunchedJuly 2020September 2006More recent by 168 months
Display typeFully articulatedFixed Fully Articulating display
Display size3"2.5"Larger display (+0.5")
Display resolution1440k150kSharper display (+1290k dot)
Selfie screen Take selfies
Touch display Easily navigate

Common features in the Sigma SD14 and Sony A7S III

 SD14 A7S III 
Manual focus Very accurate focus

Sigma SD14 vs Sony A7S III Physical Comparison

For anybody who is going to lug around your camera regularly, you will want to consider its weight and proportions. The Sigma SD14 comes with exterior measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs) while the Sony A7S III has measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Contrast the Sigma SD14 and Sony A7S III in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing at that time. Below is a front view measurement comparison of the SD14 versus the A7S III.

Sigma SD14 vs Sony A7S III size comparison

Looking at dimensions and weight, the portability score of the SD14 and A7S III is 59 and 61 respectively.

Sigma SD14 vs Sony A7S III top view buttons comparison

Sigma SD14 vs Sony A7S III Sensor Comparison

More often than not, it is very tough to envision the gap between sensor measurements simply by checking specifications. The photograph below will offer you a far better sense of the sensor sizing in the SD14 and A7S III.

Plainly, both of those cameras feature different megapixel count and different sensor measurements. The SD14 with its tinier sensor will make achieving bokeh more challenging and the Sony A7S III will resolve greater detail because of its extra 7 Megapixels. Greater resolution will allow you to crop pics way more aggressively. The older SD14 is going to be behind in sensor tech.

Sigma SD14 vs Sony A7S III sensor size comparison

Sigma SD14 vs Sony A7S III Screen and ViewFinder

Sigma SD14 vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD14 Portrait photography info
Sony A7S III Portrait photography info
49
focusing manually
sensor size is decent (APS-C)
supports RAW formats
doesn't have liveview
low megapixels (5MP)
71
has manual focus
sensor size is large (Full frame)
features face detection autofocus
supports RAW formats
sensor resolution not great (12 megapixels)
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Street Comparison

Sigma SD14 as a Street photography camera
Sony A7S III as a Street photography camera
48
sensor size is decent (APS-C)
supports RAW formats
no moving screen
does not have image stabilization
low max ISO (800)
76
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW formats
comes with focus via touch
environment proofing
above average ISO range (102,400)
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Sports Comparison

Sigma SD14 as a Sports photography camera
Sony A7S III as a Sports photography camera
29
sensor size is decent (APS-C)
doesn't have liveview
slow continuous shooting (3.0 frames/s)
does not have image stabilization
low megapixels (5 megapixels)
has no phase detect autofocus
76
great max shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
features tracking autofocus
environment proofing
good battery pack (600 CIPA)
comes with phase detect autofocus
sensor resolution not great (12 megapixels)
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Travel Comparison

Sigma SD14 as a Travel photography camera
Sony A7S III as a Travel photography camera
42
flash built-in
doesn't have Time Lapse mode
low megapixels (5 megapixels)
display is not selfie friendly
70
good battery pack (600 CIPA)
environment proofing
has bluetooth
comes with focus via touch
selfie friendly display
sensor resolution not great (12MP)
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Landscape Comparison

Sigma SD14 as a Landscape photography camera
Sony A7S III as a Landscape photography camera
43
focusing manually
switch lenses (Sigma SA mount)
sensor size is decent (APS-C)
supports RAW formats
tiny screen (2.5")
doesn't have liveview
does not have image stabilization
low megapixels (5 megapixels)
low max ISO (800)
doesn't have Time Lapse mode
77
has manual focus
change lenses (Sony E mount)
screen size is decent (3 inch)
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
above average ISO range (102,400)
supports RAW formats
environment proofing
good battery pack (600 shots)
two card slots
sensor resolution not great (12MP)
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Vlogging Comparison

Sigma SD14 Vlogging info
Sony A7S III Vlogging info
9
no video shooting
77
selfie friendly display
touchscreen capability
image stabilization (Sensor based 5-axis)
features face detection autofocus
high quality video (3840 x 2160 resolution)
does have external mic socket
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Sigma SD14 vs Sony A7S III Specifications

Detailed spec comparison table for Sigma SD14 and Sony A7S III
 Sigma SD14Sony Alpha A7S III
General Information
Company Sigma Sony
Model type Sigma SD14 Sony Alpha A7S III
Category Advanced DSLR Pro Mirrorless
Revealed 2006-09-26 2020-07-21
Physical type Mid-size SLR SLR-style mirrorless
Sensor Information
Chip - Bionz XR
Sensor type CMOS (Foveon X3) BSI-CMOS
Sensor size APS-C Full frame
Sensor dimensions 20.7 x 13.8mm 35.6 x 23.8mm
Sensor area 285.7mm² 847.3mm²
Sensor resolution 5 megapixels 12 megapixels
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 2640 x 1760 4240 x 2832
Highest native ISO 800 102400
Highest enhanced ISO 1600 409600
Lowest native ISO 100 80
RAW pictures
Lowest enhanced ISO - 50
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points - 759
Lens
Lens mount type Sigma SA Sony E
Amount of lenses 76 121
Focal length multiplier 1.7 1
Screen
Type of screen Fixed Type Fully articulated
Screen size 2.5 inch 3 inch
Resolution of screen 150 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 9,440 thousand dots
Viewfinder coverage 98% 100%
Viewfinder magnification 0.6x 0.91x
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/8000s
Continuous shutter rate 3.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance - no built-in flash
Flash options - no built-in flash
Hot shoe
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution None 3840x2160
Video data format - MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 750 gr (1.65 pounds) 699 gr (1.54 pounds)
Physical dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO Overall rating not tested 85
DXO Color Depth rating not tested 23.6
DXO Dynamic range rating not tested 13.3
DXO Low light rating not tested 2993
Other
Battery life - 600 images
Style of battery - Battery Pack
Battery ID - NP-FZ100
Self timer Yes (10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording With downloadable app
Type of storage Compact Flash Type I or II Dual SD/CFexpress Type A slots
Card slots Single Two
Launch price $198 $3,499