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Nikon S640 vs Sony A7R III

Portability
96
Imaging
35
Features
24
Overall
30
Nikon Coolpix S640 front
 
Sony Alpha A7R III front
Portability
63
Imaging
78
Features
93
Overall
84

Nikon S640 vs Sony A7R III Key Specs

Nikon S640
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400
  • Optical Image Stabilization
  • 1/8000s Max Shutter
  • 1280 x 720 video
  • 28-140mm (F2.7-6.6) lens
  • 130g - 91 x 55 x 21mm
  • Revealed August 2009
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
  • Revealed October 2017
  • Replaced the Sony A7R II
  • Successor is Sony A7R IV
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Nikon S640 vs Sony A7R III Overview

Lets look closer at the Nikon S640 versus Sony A7R III, former is a Small Sensor Compact while the latter is a Pro Mirrorless by manufacturers Nikon and Sony. There is a large difference between the image resolutions of the S640 (12MP) and A7R III (42MP) and the S640 (1/2.3") and A7R III (Full frame) feature different sensor size.

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The S640 was brought out 9 years earlier than the A7R III which is quite a serious difference as far as tech is concerned. Each of these cameras offer different body type with the Nikon S640 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving straight into a detailed comparison, below is a concise introduction of how the S640 grades vs the A7R III with respect to portability, imaging, features and an overall score.

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Reasons to pick Nikon S640 over the Sony A7R III

 S640 A7R III 

Reasons to pick Sony A7R III over the Nikon S640

 A7R III S640 
RevealedOctober 2017August 2009More modern by 100 months
Focus manually More precise focusing
Screen typeTiltingFixed Tilting screen
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution1440k230kClearer screen (+1210k dot)
Touch friendly screen Quickly navigate

Common features in the Nikon S640 and Sony A7R III

 S640 A7R III 
Selfie screen Absent selfie screen

Nikon S640 vs Sony A7R III Physical Comparison

When you are going to carry around your camera frequently, you'll need to factor in its weight and measurements. The Nikon S640 provides exterior measurements of 91mm x 55mm x 21mm (3.6" x 2.2" x 0.8") accompanied by a weight of 130 grams (0.29 lbs) while the Sony A7R III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs).

Look at the Nikon S640 versus Sony A7R III in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change based on the lens you have at that time. The following is the front view dimension comparison of the S640 compared to the A7R III.

Nikon S640 vs Sony A7R III size comparison

Taking into consideration size and weight, the portability score of the S640 and A7R III is 96 and 63 respectively.

Nikon S640 vs Sony A7R III top view buttons comparison

Nikon S640 vs Sony A7R III Sensor Comparison

In many cases, it's hard to picture the contrast between sensor sizes purely by checking a spec sheet. The pic here will give you a more clear sense of the sensor sizing in the S640 and A7R III.

As you can see, both of the cameras offer different megapixel count and different sensor sizes. The S640 because of its tinier sensor is going to make achieving bokeh trickier and the Sony A7R III will give you more detail having its extra 30MP. Higher resolution will let you crop photographs a little more aggressively. The more aged S640 is going to be disadvantaged with regard to sensor tech.

Nikon S640 vs Sony A7R III sensor size comparison

Nikon S640 vs Sony A7R III Screen and ViewFinder

Nikon S640 vs Sony A7R III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon S640 Portrait photography factors
Sony A7R III Portrait photography factors
21
manual focus not available
manual exposure not available
external flash not possible
sensor resolution low (12MP)
small sensor (1/2.3")
lack of RAW support
86
focusing manually
megapixel count fantastic (42MP)
large sensor size (Full frame)
includes face detect focus
exports RAW formats
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Street Comparison

Nikon S640 Street photography highlights
Sony A7R III Street photography highlights
63
has image stabilization (Optical)
lighter than competition in class (130 grams)
no moving screen
small sensor (1/2.3")
lack of RAW support
79
has a tilting screen
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW formats
offers touch focus
weather proof
very good ISO range (32,000)
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Sports Comparison

Nikon S640 Sports photography features
Sony A7R III Sports photography features
34
high shutter speed (1/8,000s)
has image stabilization (Optical)
no shutter priority mode
sensor resolution low (12 megapixels)
small sensor (1/2.3")
lack of phase detect auto focus
89
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based 5-axis)
megapixel count fantastic (42MP)
large sensor size (Full frame)
includes tracking focus
weather proof
good battery power (650 per charge)
sensor has phase detect auto focus
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Travel Comparison

Nikon S640 as a Travel photography camera
Sony A7R III as a Travel photography camera
62
lighter than competition in class (130g)
flash built-in
really wide (28mm)
doesn't have Timelapse recording
sensor resolution low (12MP)
screen isn't selfie friendly
somewhat slow max aperture (f2.7)
74
good battery power (650 per charge)
weather proof
connects via bluetooth
offers touch focus
megapixel count fantastic (42 megapixels)
doesn't have selfie friendly display
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Landscape Comparison

Nikon S640 Landscape photography features
Sony A7R III Landscape photography features
32
really wide (28mm)
has image stabilization (Optical)
manual focus not available
fixed lens (fixed lens mount)
somewhat slow max aperture (f2.7)
small screen (2.7 inches)
manual exposure not available
sensor resolution low (12 megapixels)
small sensor (1/2.3")
lack of RAW support
doesn't have Timelapse recording
87
focusing manually
switch lenses (Sony E mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based 5-axis)
megapixel count fantastic (42 megapixels)
large sensor size (Full frame)
does not have anti aliasing filter
very good ISO range (32,000)
exports RAW formats
weather proof
good battery power (650 shots)
has double storage slots
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Vlogging Comparison

Nikon S640 Vlogging info
Sony A7R III Vlogging info
31
really wide (28mm)
has image stabilization (Optical)
lighter than competition in class (130 grams)
somewhat slow max aperture (f2.7)
screen isn't selfie friendly
low quality video (1280 x 720 pixels)
doesn't have microphone socket
37
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
includes face detect focus
high quality video (3840 x 2160 pxls)
includes mic port
doesn't have selfie friendly display
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Nikon S640 vs Sony A7R III Specifications

Detailed spec comparison table for Nikon S640 and Sony A7R III
 Nikon Coolpix S640Sony Alpha A7R III
General Information
Brand Name Nikon Sony
Model type Nikon Coolpix S640 Sony Alpha A7R III
Category Small Sensor Compact Pro Mirrorless
Revealed 2009-08-04 2017-10-25
Body design Compact SLR-style mirrorless
Sensor Information
Processor Chip Expeed Bionz X
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.08 x 4.56mm 35.9 x 24mm
Sensor area 27.7mm² 861.6mm²
Sensor resolution 12MP 42MP
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Full resolution 4000 x 3000 7952 x 5304
Max native ISO 6400 32000
Max boosted ISO - 102400
Lowest native ISO 100 100
RAW format
Lowest boosted ISO - 50
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points - 425
Lens
Lens support fixed lens Sony E
Lens zoom range 28-140mm (5.0x) -
Highest aperture f/2.7-6.6 -
Macro focusing distance 2cm -
Total lenses - 121
Crop factor 5.9 1
Screen
Range of display Fixed Type Tilting
Display diagonal 2.7" 3"
Resolution of display 230k dot 1,440k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 3,686k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.78x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/8000s
Continuous shooting speed - 10.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Change white balance
Image stabilization
Built-in flash
Flash distance - no built-in flash
Flash modes - Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
AE bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Max video resolution 1280x720 3840x2160
Video file format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 130g (0.29 pounds) 657g (1.45 pounds)
Dimensions 91 x 55 x 21mm (3.6" x 2.2" x 0.8") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO All around rating not tested 100
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 3523
Other
Battery life - 650 images
Type of battery - Battery Pack
Battery ID EN-EL12 NP-FZ100
Self timer Yes Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting
Type of storage SD/SDHC, Internal Two SD/SDHC/SDXC slots (UHS-II support on one)
Storage slots Single 2
Retail price $225 $2,800