Panasonic Lumix DMC-L10 vs. Sony Cyber-shot DSC-RX100 III

Comparison

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Lumix DMC-L10 image
vs
Cyber-shot DSC-RX100 III image
Panasonic Lumix DMC-L10 Sony Cyber-shot DSC-RX100 III
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Megapixels
10.00
20.10
Max. image resolution
3648 x 2736
5472 x 3648

Sensor

Sensor type
CMOS
CMOS
Sensor size
Four Thirds (17.3 x 13 mm)
13.2 x 8.8 mm
Sensor resolution
3647 x 2742
5492 x 3661
Diagonal
21.64 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
1.94 : 1
(ratio)
Panasonic Lumix DMC-L10 Sony Cyber-shot DSC-RX100 III
Surface area:
224.90 mm² vs 116.16 mm²
Difference: 108.74 mm² (94%)
L10 sensor is approx. 1.94x bigger than RX100 III sensor.
Note: You are comparing sensors of very different generations. There is a gap of 7 years between Panasonic L10 (2007) and Sony RX100 III (2014). Seven years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
4.74 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: 2.34 µm (98%)
Pixel pitch of L10 is approx. 98% higher than pixel pitch of RX100 III.
Pixel area
22.47 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: 16.71 µm² (290%)
A pixel on Panasonic L10 sensor is approx. 290% bigger than a pixel on Sony RX100 III.
Pixel density
4.44 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: 12.87 µm (290%)
Sony RX100 III has approx. 290% higher pixel density than Panasonic L10.
To learn about the accuracy of these numbers, click here.



Specs

Panasonic L10
Sony RX100 III
Crop factor
2
2.73
Total megapixels
11.80
20.90
Effective megapixels
10.00
20.10
Optical zoom
2.9x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600
Auto, 125-12800 (up to 25600)
RAW
Manual focus
Normal focus range
5 cm
Macro focus range
5 cm
Focal length (35mm equiv.)
24 - 70 mm
Aperture priority
Yes
Yes
Max. aperture
f1.8 - f2.8
Max. aperture (35mm equiv.)
n/a
f4.9 - f7.6
Metering
256-zone Multi-pattern, 49-zone Multi-pattern, Centre weighted
Multi, Center-weighted, Spot
Exposure compensation
±2 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
1/4000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical (pentamirror)
Electronic
White balance presets
7
9
Screen size
2.5"
3"
Screen resolution
207,000 dots
1,228,800 dots
Video capture
Max. video resolution
1920x1080 (60p/60i/30p/24p)
Storage types
MultiMedia, SDHC, Secure Digital
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
Lithium-Ion rechargeable
NP-BX1 lithium-ion battery
Weight
556 g
290 g
Dimensions
134.5 x 95.5 x 77.5 mm
101.6 x 58.1 x 41 mm
Year
2007
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 L10 diagonal

w = 17.30 mm
h = 13.00 mm
Diagonal =  17.30² + 13.00²   = 21.64 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.

L10 sensor area

Width = 17.30 mm
Height = 13.00 mm

Surface area = 17.30 × 13.00 = 224.90 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

L10 pixel pitch

Sensor width = 17.30 mm
Sensor resolution width = 3647 pixels
Pixel pitch =   17.30  × 1000  = 4.74 µm
3647

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

L10 pixel area

Pixel pitch = 4.74 µm

Pixel area = 4.74² = 22.47 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

L10 pixel density

Sensor resolution width = 3647 pixels
Sensor width = 1.73 cm

Pixel density = (3647 / 1.73)² / 1000000 = 4.44 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

L10 sensor resolution

Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 10.00
r = 17.30/13.00 = 1.33
X =  10.00 × 1000000  = 2742
1.33
Resolution horizontal: X × r = 2742 × 1.33 = 3647
Resolution vertical: X = 2742

Sensor resolution = 3647 x 2742

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


L10 crop factor

Sensor diagonal in mm = 21.64 mm
Crop factor =   43.27  = 2
21.64

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).

L10 equivalent aperture

Aperture is a lens characteristic, so it's calculated only for fixed lens cameras. If you want to know the equivalent aperture for Panasonic L10, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Panasonic L10 is 2

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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