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Sony A7S II vs Sony a5100

Portability
68
Imaging
61
Features
76
Overall
67
Sony Alpha A7S II front
 
Sony Alpha a5100 front
Portability
89
Imaging
65
Features
74
Overall
68

Sony A7S II vs Sony a5100 Key Specs

Sony A7S II
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 627g - 127 x 96 x 60mm
  • Announced October 2015
  • Older Model is Sony A7S
  • Successor is Sony A7S III
Sony a5100
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 25600
  • 1920 x 1080 video
  • Sony E Mount
  • 283g - 110 x 63 x 36mm
  • Announced August 2014
  • Older Model is Sony a5000
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Sony A7S II vs Sony a5100 Overview

Its time to look a little more in depth at the Sony A7S II vs Sony a5100, former being a Pro Mirrorless while the other is a Entry-Level Mirrorless and they are both designed by Sony. There exists a large gap among the sensor resolutions of the A7S II (12MP) and a5100 (24MP) and the A7S II (Full frame) and a5100 (APS-C) posses different sensor sizes.

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The A7S II was announced 15 months later than the a5100 making them a generation apart from one another. The two cameras feature different body design with the Sony A7S II being a SLR-style mirrorless camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before we go right into a thorough comparison, here is a simple summary of how the A7S II grades against the a5100 when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Sony A7S II over the Sony a5100

 A7S II a5100 
AnnouncedOctober 2015August 2014Fresher by 15 months
Display resolution1229k922kSharper display (+307k dot)

Reasons to pick Sony a5100 over the Sony A7S II

 a5100 A7S II 
Touch friendly display Easily navigate

Common features in the Sony A7S II and Sony a5100

 A7S II a5100 
Manually focus Dial precise focus
Display typeTiltingTiltingTilting display
Display size3"3"Same display dimensions
Selfie screen Neither includes selfie screen

Sony A7S II vs Sony a5100 Physical Comparison

If you are aiming to carry your camera, you're going to have to consider its weight and proportions. The Sony A7S II features outside dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 627 grams (1.38 lbs) while the Sony a5100 has measurements of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") having a weight of 283 grams (0.62 lbs).

See the Sony A7S II vs Sony a5100 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ based on the lens you are using at the time. Following is a front view proportions comparison of the A7S II and the a5100.

Sony A7S II vs Sony a5100 size comparison

Looking at dimensions and weight, the portability grade of the A7S II and a5100 is 68 and 89 respectively.

Sony A7S II vs Sony a5100 top view buttons comparison

Sony A7S II vs Sony a5100 Sensor Comparison

Sometimes, it is difficult to imagine the contrast in sensor sizing purely by viewing a spec sheet. The visual below will provide you a greater sense of the sensor sizes in the A7S II and a5100.

Clearly, both of the cameras come with different megapixel count and different sensor sizing. The A7S II having a larger sensor is going to make shooting shallow depth of field simpler and the Sony a5100 will result in extra detail with its extra 12 Megapixels. Greater resolution will also make it easier to crop images a good deal more aggressively. The newer A7S II should have an advantage with regard to sensor technology.

Sony A7S II vs Sony a5100 sensor size comparison

Sony A7S II vs Sony a5100 Screen and ViewFinder

Sony A7S II vs Sony a5100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A7S II
Portrait photography with Sony a5100
68
manual focus
large sensor size (Full frame)
supports face detection focusing
saves RAW formats
low MP (12MP)
72
has manual focus
decent sensor resolution (24MP)
sensor size is decent (APS-C)
has face detect focus
exports RAW formats
no external flash support
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Street Comparison

Sony A7S II as a Street photography camera
Sony a5100 as a Street photography camera
78
screen tilts up and down
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
saves RAW formats
environment proofing
good high ISO (102,400)
82
screen tilts up and down
sensor size is decent (APS-C)
exports RAW formats
comes with touch to focus
above average high ISO (25,600)
no image stabilization
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Sports Comparison

Sony A7S II Sports photography highlights
Sony a5100 Sports photography highlights
58
great max shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports tracking autofocus
environment proofing
max frames per second low (5.0 fps)
low MP (12MP)
not so great battery (370 shots)
has no phase detect AF
68
decent sensor resolution (24MP)
sensor size is decent (APS-C)
has tracking focus
great battery power (400 CIPA)
comes with phase detect auto focus
max fps very slow (6.0 fps)
no image stabilization
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Travel Comparison

Travel photography with Sony A7S II
Travel photography with Sony a5100
49
environment proofing
not so great battery (370 shots)
low MP (12MP)
display is not selfie friendly
80
great battery power (400 per charge)
comes with touch to focus
decent sensor resolution (24MP)
has built in flash
doesn't offer selfie friendly screen
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Landscape Comparison

Sony A7S II Landscape photography highlights
Sony a5100 Landscape photography highlights
71
manual focus
interchangeable lenses (Sony E mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
good high ISO (102,400)
saves RAW formats
environment proofing
low MP (12 megapixels)
not so great battery (370 shots)
79
has manual focus
change lenses (Sony E mount)
screen size is decent (3")
decent sensor resolution (24 megapixels)
sensor size is decent (APS-C)
above average high ISO (25,600)
exports RAW formats
great battery power (400 CIPA)
no image stabilization
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Vlogging Comparison

Sony A7S II Vlogging features
Sony a5100 Vlogging features
35
has image stabilization (Sensor based 5-axis)
supports face detection focusing
great video quality (3840 x 2160 resolution)
includes external mic jack
display is not selfie friendly
34
touch screen
has face detect focus
video resolution high (1920 x 1080 pxls)
doesn't offer selfie friendly screen
no image stabilization
no microphone socket
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Sony A7S II vs Sony a5100 Specifications

Detailed spec comparison table for Sony A7S II and Sony a5100
 Sony Alpha A7S IISony Alpha a5100
General Information
Brand Sony Sony
Model type Sony Alpha A7S II Sony Alpha a5100
Category Pro Mirrorless Entry-Level Mirrorless
Announced 2015-10-12 2014-08-17
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Bionz X Bionz X
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.6 x 23.8mm 23.5 x 15.6mm
Sensor area 847.3mm² 366.6mm²
Sensor resolution 12 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Maximum resolution 4240 x 2832 6000 x 4000
Maximum native ISO 102400 25600
Maximum boosted ISO 409600 -
Lowest native ISO 100 100
RAW support
Lowest boosted ISO 50 -
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 169 179
Lens
Lens support Sony E Sony E
Available lenses 121 121
Crop factor 1 1.5
Screen
Screen type Tilting Tilting
Screen size 3 inches 3 inches
Resolution of screen 1,229 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,359 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.78x -
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting rate 5.0 frames per second 6.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 4.00 m (at ISO 100)
Flash options no built-in flash Flash off, auto, fill-flaw, slow sync, redeye reduction
External flash
AE bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 4K (3840 x 2160 @ 30p/24p [60-100Mbps]), Full HD (1920 x 1080 @ 120p/60p/60i/30p/24p [50-100Mbps]), 720p (30p [16Mbps]) 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p, 25p), 1280 x 720 (120p), 640 x 480 (30p, 25p)
Maximum video resolution 3840x2160 1920x1080
Video format MPEG-4, AVCHD, XAVC S MPEG-4, AVCHD, XAVC S
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 627g (1.38 pounds) 283g (0.62 pounds)
Physical dimensions 127 x 96 x 60mm (5.0" x 3.8" x 2.4") 110 x 63 x 36mm (4.3" x 2.5" x 1.4")
DXO scores
DXO All around rating 85 80
DXO Color Depth rating 23.6 23.8
DXO Dynamic range rating 13.3 12.7
DXO Low light rating 2993 1347
Other
Battery life 370 photographs 400 photographs
Form of battery Battery Pack Battery Pack
Battery ID NP-FW50 NP-FW50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, continuous (3-5 shot))
Time lapse feature With downloadable app With downloadable app
Storage type SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Launch price $2,767 $448