Panasonic Lumix DMC-FZ1000 vs. Sony Cyber-shot DSC-RX100 III

Comparison

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Lumix DMC-FZ1000 image
vs
Cyber-shot DSC-RX100 III image
Panasonic Lumix DMC-FZ1000 Sony Cyber-shot DSC-RX100 III
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Megapixels
20.10
20.10
Max. image resolution
5472 x 3648
5472 x 3648

Sensor

Sensor type
CMOS
CMOS
Sensor size
13.2 x 8.8 mm
13.2 x 8.8 mm
Sensor resolution
5492 x 3661
5492 x 3661
Diagonal
15.86 mm
15.86 mm
Sensor size comparison
Sensor size is generally a good indicator of the quality of the camera. Sensors can vary greatly in size. As a general rule, the bigger the sensor, the better the image quality.

Bigger sensors are more effective because they have more surface area to capture light. An important factor when comparing digital cameras is also camera generation. Generally, newer sensors will outperform the older.

Learn more about sensor sizes »

Actual sensor size

Note: Actual size is set to screen → change »
vs
1 : 1
(ratio)
Panasonic Lumix DMC-FZ1000 Sony Cyber-shot DSC-RX100 III
Surface area:
116.16 mm² vs 116.16 mm²
Difference: 0 mm² (0%)
FZ1000 and RX100 III sensors are the same size.
Pixel pitch
2.4 µm
2.4 µm
Pixel pitch tells you the distance from the center of one pixel (photosite) to the center of the next. It tells you how close the pixels are to each other.

The bigger the pixel pitch, the further apart they are and the bigger each pixel is. Bigger pixels tend to have better signal to noise ratio and greater dynamic range.
Difference: 0 µm (0%)
FZ1000 and RX100 III have the same pixel pitch.
Pixel area
5.76 µm²
5.76 µm²
Pixel or photosite area affects how much light per pixel can be gathered. The larger it is the more light can be collected by a single pixel.

Larger pixels have the potential to collect more photons, resulting in greater dynamic range, while smaller pixels provide higher resolutions (more detail) for a given sensor size.
Relative pixel sizes:
vs
Pixel area difference: 0 µm² (0%)
Panasonic FZ1000 and Sony RX100 III have the same pixel area.
Pixel density
17.31 MP/cm²
17.31 MP/cm²
Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor.

Higher pixel density means smaller pixels and lower pixel density means larger pixels.
Difference: 0 µm (0%)
Panasonic FZ1000 and Sony RX100 III have the same pixel density.
To learn about the accuracy of these numbers, click here.

Specs

Panasonic FZ1000
Sony RX100 III
Crop factor
2.73
2.73
Total megapixels
20.90
20.90
Effective megapixels
20.10
20.10
Optical zoom
16x
2.9x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 125-12800 (expands to 80-25600)
Auto, 125-12800 (up to 25600)
RAW
Manual focus
Normal focus range
30 cm
5 cm
Macro focus range
3 cm
5 cm
Focal length (35mm equiv.)
25 - 400 mm
24 - 70 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8 - f4.0
f1.8 - f2.8
Max. aperture (35mm equiv.)
f7.6 - f10.9
f4.9 - f7.6
Metering
Multi, Center-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±5 EV (in 1/3 EV steps)
±3 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
60 sec
30 sec
Max. shutter speed
1/16000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Electronic
Electronic
White balance presets
5
9
Screen size
3"
3"
Screen resolution
921,000 dots
1,228,800 dots
Video capture
Max. video resolution
3840x2160 (30p)
1920x1080 (60p/60i/30p/24p)
Storage types
SD/SDHC/SDXC
SD/SDHC/SDXC, Memory Stick Pro Duo/Pro-HG Duo/PRO-HG HX Duo
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Li-ion battery pack
NP-BX1 lithium-ion battery
Weight
831 g
290 g
Dimensions
136.8 x 98.5 x 130.7 mm
101.6 x 58.1 x 41 mm
Year
2014
2014



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Diagonal

Diagonal is calculated by the use of Pythagorean theorem:
Diagonal =  w² + h²
where w = sensor width and h = sensor height

Panasonic FZ1000 diagonal

w = 13.20 mm
h = 8.80 mm
Diagonal =  13.20² + 8.80²   = 15.86 mm

Sony RX100 III diagonal

w = 13.20 mm
h = 8.80 mm
Diagonal =  13.20² + 8.80²   = 15.86 mm


Surface area

Surface area is calculated by multiplying the width and the height of a sensor.

FZ1000 sensor area

Width = 13.20 mm
Height = 8.80 mm

Surface area = 13.20 × 8.80 = 116.16 mm²

RX100 III sensor area

Width = 13.20 mm
Height = 8.80 mm

Surface area = 13.20 × 8.80 = 116.16 mm²


Pixel pitch

Pixel pitch is the distance from the center of one pixel to the center of the next measured in micrometers (µm). It can be calculated with the following formula:
Pixel pitch =   sensor width in mm  × 1000
sensor resolution width in pixels

FZ1000 pixel pitch

Sensor width = 13.20 mm
Sensor resolution width = 5492 pixels
Pixel pitch =   13.20  × 1000  = 2.4 µm
5492

RX100 III pixel pitch

Sensor width = 13.20 mm
Sensor resolution width = 5492 pixels
Pixel pitch =   13.20  × 1000  = 2.4 µm
5492


Pixel area

The area of one pixel can be calculated by simply squaring the pixel pitch:
Pixel area = pixel pitch²

You could also divide sensor surface area with effective megapixels:
Pixel area =   sensor surface area in mm²
effective megapixels

FZ1000 pixel area

Pixel pitch = 2.4 µm

Pixel area = 2.4² = 5.76 µm²

RX100 III pixel area

Pixel pitch = 2.4 µm

Pixel area = 2.4² = 5.76 µm²


Pixel density

Pixel density can be calculated with the following formula:
Pixel density =  ( sensor resolution width in pixels )² / 1000000
sensor width in cm

One could also use this formula:
Pixel density =   effective megapixels × 1000000  / 10000
sensor surface area in mm²

FZ1000 pixel density

Sensor resolution width = 5492 pixels
Sensor width = 1.32 cm

Pixel density = (5492 / 1.32)² / 1000000 = 17.31 MP/cm²

RX100 III pixel density

Sensor resolution width = 5492 pixels
Sensor width = 1.32 cm

Pixel density = (5492 / 1.32)² / 1000000 = 17.31 MP/cm²


Sensor resolution

Sensor resolution is calculated from sensor size and effective megapixels. It's slightly higher than maximum (not interpolated) image resolution which is usually stated on camera specifications. Sensor resolution is used in pixel pitch, pixel area, and pixel density formula. For sake of simplicity, we're going to calculate it in 3 stages.

1. First we need to find the ratio between horizontal and vertical length by dividing the former with the latter (aspect ratio). It's usually 1.33 (4:3) or 1.5 (3:2), but not always.

2. With the ratio (r) known we can calculate the X from the formula below, where X is a vertical number of pixels:
(X × r) × X = effective megapixels × 1000000    →   
X =  effective megapixels × 1000000
r
3. To get sensor resolution we then multiply X with the corresponding ratio:

Resolution horizontal: X × r
Resolution vertical: X

FZ1000 sensor resolution

Sensor width = 13.20 mm
Sensor height = 8.80 mm
Effective megapixels = 20.10
r = 13.20/8.80 = 1.5
X =  20.10 × 1000000  = 3661
1.5
Resolution horizontal: X × r = 3661 × 1.5 = 5492
Resolution vertical: X = 3661

Sensor resolution = 5492 x 3661

RX100 III sensor resolution

Sensor width = 13.20 mm
Sensor height = 8.80 mm
Effective megapixels = 20.10
r = 13.20/8.80 = 1.5
X =  20.10 × 1000000  = 3661
1.5
Resolution horizontal: X × r = 3661 × 1.5 = 5492
Resolution vertical: X = 3661

Sensor resolution = 5492 x 3661


Crop factor

Crop factor or focal length multiplier is calculated by dividing the diagonal of 35 mm film (43.27 mm) with the diagonal of the sensor.
Crop factor =   43.27 mm
sensor diagonal in mm


FZ1000 crop factor

Sensor diagonal in mm = 15.86 mm
Crop factor =   43.27  = 2.73
15.86

RX100 III crop factor

Sensor diagonal in mm = 15.86 mm
Crop factor =   43.27  = 2.73
15.86

35 mm equivalent aperture

Equivalent aperture (in 135 film terms) is calculated by multiplying lens aperture with crop factor (a.k.a. focal length multiplier).

FZ1000 equivalent aperture

Crop factor = 2.73
Aperture = f2.8 - f4.0

35-mm equivalent aperture = (f2.8 - f4.0) × 2.73 = f7.6 - f10.9

RX100 III equivalent aperture

Crop factor = 2.73
Aperture = f1.8 - f2.8

35-mm equivalent aperture = (f1.8 - f2.8) × 2.73 = f4.9 - f7.6

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