Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Sony RX100 III and Sony RX100 IV side-by-side from the front, back and top in their relative dimensions. Sony RX100 III has external dimensions of 102 x 58 x 41 mm (4.02 x 2.28 x 1.61″) and weighs 290 g (0.64 lb / 10.23 oz) (including batteries). Sony RX100 IV has external dimensions of 102 x 58 x 41 mm (4.02 x 2.28 x 1.61″) and weighs 298 g (0.66 lb / 10.51 oz) (including batteries).
Below you can see the front view size comparison of Sony RX100 III and Sony RX100 IV. In this case, we can see that Sony RX100 III and Sony RX100 IV have the exact same height, width and thickness.
![Sony RX100 III vs Sony RX100 IV Camera Size Comparison - Front View]()
Comparison image of Sony RX100 III and Sony RX100 IV Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Sony RX100 III and Sony RX100 IV.
![Sony RX100 III vs Sony RX100 IV Camera Size Comparison - Back View]()
Comparison image of Sony RX100 III and Sony RX100 IV Size and Weight - Back View
Now lets look at the top view comparison of Sony RX100 III and Sony RX100 IV.
![Sony RX100 III vs Sony RX100 IV Camera Size Comparison - Top View]()
Top View Comparison image of Sony RX100 III and Sony RX100 IV Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony RX100 III is 8g lighter than the Sony RX100 IV but we don't think this will make a significant difference.
Weight Comparison
Compact Cameras
Thickness Comparison
Compact Cameras
Weather Sealing
Unfortunately neither Sony Cyber-shot DSC-RX100 III nor Sony Cyber-shot DSC-RX100 IV provides any type of weather sealing in their body, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Sony RX100 III and Sony RX100 IV's LCD screens has the same diagonal size of 3".
Both cameras feature
Tilting screens where you can change the angle of the screen to make it easier to shoot from waist or over the head levels.
Both Sony RX100 III and Sony RX100 IV have 1" sized 20.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the RX100 III and RX100 IV sensor size comparison.
![Sony RX100 III vs Sony RX100 IV Sensor Size Comparison]()
Sensor Size and Resolution Comparison image of Sony RX100 III and Sony RX100 IV Cameras
Sony RX100 III and Sony RX100 IV have sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.
DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Sony RX100 III and Sony RX100 IV sensors have been tested by DxO and the results show that RX100 IV has a better overall score of 70, 3 points higher compared to RX100 III's score of 67.
| Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
|
Sony RX100 III |
67 |
22.4 bits |
12.3 Evs |
495 ISO |
|
Sony RX100 IV |
70 |
22.9 bits |
12.6 Evs |
562 ISO |
Sony RX100 III and Sony RX100 IV features 24-70 mm F1.8-2.8 2.9x zoom lenses so they have the same focal range and light collecting ability.
Both cameras have a wide angle coverage of 24mm and have the same max aperture of f1.80 at this focal length.
Both cameras have a tele angle reach of 70mm and have the same max aperture of f2.80 at this focal length.
Wide Coverage
Large Sensor Compact Cameras
Telezoom
Large Sensor Compact Cameras
Longest - Panasonic ZS200
Max Aperture at Tele
Large Sensor Compact Cameras
Max Aperture at Wide
Large Sensor Compact Cameras
In this section, we rank and compare Sony RX100 III and Sony RX100 IV for five different photography types in order to make your decision process easier in case you are specifically interested in one or more of these areas.
Sony RX100 III for Portrait Photography
Sony RX100 IV for Portrait Photography
Average sized 1″ (13.2 x 8.8 mm) sensor
Very High Resolution Sensor: 20.0MP
Image Stabilization
RAW shooting capability
Electronic Built-in Viewfinder
Manual Focus Mode
Manual Exposure Mode
No External Flash Shoe
Not so good Ergonomics&Handling
Read the details
Average sized 1″ (13.2 x 8.8 mm) sensor
Very High Resolution Sensor: 20.0MP
Image Stabilization
RAW shooting capability
Electronic Built-in Viewfinder
Manual Focus Mode
Manual Exposure Mode
No External Flash Shoe
Not so good Ergonomics&Handling
Read the details
Sony RX100 III for Street Photography
Sony RX100 IV for Street Photography
Image Stabilization
RAW shooting capability
Electronic Built-in Viewfinder
Manual Focus Mode
Small Body
Live-view
Face-Detection Focusing
Tilting LCD Screen
Fast Lens at Wide: f1.80
24 mm - Good Wide Angle Coverage
Average sized 1″ (13.2 x 8.8 mm) sensor
Read the details
Image Stabilization
RAW shooting capability
Electronic Built-in Viewfinder
Manual Focus Mode
Small Body
Live-view
Face-Detection Focusing
Tilting LCD Screen
Fast Lens at Wide: f1.80
24 mm - Good Wide Angle Coverage
Average sized 1″ (13.2 x 8.8 mm) sensor
Read the details
Sony RX100 III for Sports Photography
Sony RX100 IV for Sports Photography
Image Stabilization
RAW shooting capability
Electronic Built-in Viewfinder
Manual Focus Mode
Manual Exposure Mode
Fast Continuous Shooting: 10.0fps
25 Focus Points
Wireless Connection
Average Max shutter speed: 1/2000s
No External Flash Shoe
Not so good Ergonomics&Handling
Environmental Sealings
70 mm Tele Lens
Read the details
Image Stabilization
RAW shooting capability
Electronic Built-in Viewfinder
Manual Focus Mode
Manual Exposure Mode
Fast Continuous Shooting: 16.0fps
25 Focus Points
Wireless Connection
Average Max shutter speed: 1/2000s
No External Flash Shoe
Not so good Ergonomics&Handling
Environmental Sealings
Poor Battery Life: 280 shots
70 mm Tele Lens
Read the details
Sony RX100 III for Daily Photography
Sony RX100 IV for Daily Photography
RAW shooting capability
Compact Body
290g
Average sized 1″ (13.2 x 8.8 mm) sensor
Body Thickness 41mm
2.9X Optical Zoom
Read the details
RAW shooting capability
Compact Body
298g
Average sized 1″ (13.2 x 8.8 mm) sensor
Body Thickness 41mm
2.9X Optical Zoom
Read the details
Sony RX100 III for Landscape Photography
Sony RX100 IV for Landscape Photography
Very High Resolution Sensor: 20.0MP
RAW shooting capability
Manual Focus Mode
Manual Exposure Mode
24 mm - Good Wide Angle Coverage
Average sized 1″ (13.2 x 8.8 mm) sensor
No Environmental Sealings
Read the details
Very High Resolution Sensor: 20.0MP
Manual Focus Mode
Manual Exposure Mode
24 mm - Good Wide Angle Coverage
Average sized 1″ (13.2 x 8.8 mm) sensor
No Environmental Sealings
Read the details
You may have already made your decision about which camera suits better for your needs and your budget so far but in case you wonder how we rated Sony RX100 III and Sony RX100 IV, below you can find their scores in five different aspects.
Our Decision Algorithm dynamically scores cameras using 63 different specs, current price and DxO Mark scores (where possible) in order to make a more objective and consistent comparison.
Here is a summary of how Sony RX100 III and Sony RX100 IV scores compare:
Sony RX100 III
Ranked
#34 out of 61 in Large sensor compact cameras
Ranked
#266 out of 1219 in all Cameras
Sony RX100 IV
Ranked
#27 out of 61 in Large sensor compact cameras
Ranked
#234 out of 1219 in all Cameras
Sony RX100 IV has a higher Overall Score than the Sony RX100 III and would be our choice if we have to decide between these two cameras.
| General |
Sony Cyber-shot DSC-RX100 III |
Sony Cyber-shot DSC-RX100 IV |
| Brand |
Sony |
Sony |
| Announced |
2014-05-15 |
2015-06-10 |
| Body Type |
Large sensor compact |
Large sensor compact |
Sensor |
|
|
| Type |
BSI-CMOS |
BSI-CMOS |
| Size |
1" |
1" |
| Dimensions |
13.2 x 8.8 mm |
13.2 x 8.8 mm |
| Area |
116.16mm2 |
116.16mm2 |
| Megapixels |
20 megapixels |
20 megapixels |
| Max Resolution |
5472 x 3648 |
5472 x 3648 |
| Max Native Light sensitivity |
12,800 ISO |
12,800 ISO |
| Max Boosted Light Sensitivity |
- |
25600 ISO |
| Min Native Light sensitivity |
125 ISO |
125 ISO |
| Min Boosted Light Sensitivity |
- |
80 ISO |
| RAW Support |
|
|
Autofocus |
|
|
| AF Touch |
|
|
| AF Continuous |
|
|
| AF Single |
|
|
| AF Tracking |
|
|
| AF Selective |
|
|
| AF Center |
|
|
| AF Multi Area |
|
|
| AF Live View |
|
|
| AF Face Detection |
|
|
| AF Contrast Detection |
|
|
| AF Phase Detection |
|
|
| Number of Focus Points |
25 |
25 |
Lens |
|
|
| Manual Focus |
|
|
| Lens Mount |
fixed lens |
fixed lens |
| Lens Focal Range |
24-70 mm (2.9x) |
24-70 mm (2.9x) |
| Max Aperture |
F1.8-2.8 |
F1.8-2.8 |
| Macro Focus Range |
5cm |
5cm |
Screen |
|
|
| Type |
Tilting |
Tilting |
| Size |
3" |
3" |
| Resolution |
1,229k dots |
1,229k dots |
| Touch Screen |
|
|
Viewfinder |
|
|
| Viewfinder |
Electronic |
Electronic |
| Viewfinder Resolution |
1,440k dots |
2,359k dots |
| Viewfinder Coverage |
100% |
100% |
| Viewfinder Magnification |
0.59x |
0.59x |
Photography Features |
|
|
| Max Mechanical Shutter |
1/2000s |
1/2000s |
| Max Electronic Shutter |
n/a |
1/32000s |
| Shutter Priority |
|
|
| Aperture Priority |
|
|
| Manual Exposure Mode |
|
|
| Custom White Balance |
|
|
| Image Stabilization |
Optical |
Optical |
| Built-in Flash |
|
|
| Max Flash Sync |
1/2000s |
1/2000s |
| External Flash |
|
|
| Continuous Shooting |
10.0 fps |
16.0 fps |
| Multi-Segment |
|
|
| Average |
|
|
| Spot |
|
|
| Partial |
|
|
| AF-Area |
|
|
| Center Weighted |
|
|
| AE Bracketing |
|
|
| WB Bracketing |
|
|
Video Features |
|
|
| Max Video Resolution |
1920 x 1080 |
3840 x 2160 |
| Video Formats |
MPEG-4, AVCHD, XAVC S |
MPEG-4, AVCHD, XAVC S |
| Microphone Port |
|
|
| Headphone Port |
|
|
Connectivity |
|
|
| Wireless Connectivity |
Built-In |
Built-In |
| HDMI |
|
|
Physical |
|
|
| Environmental Sealing |
|
|
| Weight |
290g |
298g |
| Dimensions |
102 x 58 x 41mm |
102 x 58 x 41mm |
| Battery Life |
320 shots |
280 shots |
Other Features |
|
|
| Timelapse Recording |
With Downloadable App |
With Downloadable App |
| GPS |
None |
None |
DxO Sensor Scores |
|
|
| DxO Overall Score |
67 |
70 |
| DxO Color Depth |
22.4 |
22.9 |
| DxO Dynamic Range |
12.3 |
12.6 |
| DxO Low Light ISO |
495 |
562 |
|
Report a correction |
Report a correction |