Canon PowerShot S80 vs. Sony Cyber-shot DSC-W300

Comparison

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PowerShot S80 image
vs
Cyber-shot DSC-W300 image
Canon PowerShot S80 Sony Cyber-shot DSC-W300
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Megapixels
8.00
13.90
Max. image resolution
3264 x 2448
4224 x 3168

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.8" (~ 7.11 x 5.33 mm)
1/1.7" (~ 7.53 x 5.64 mm)
Sensor resolution
3262 x 2453
4316 x 3221
Diagonal
8.89 mm
9.41 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 : 1.12
(ratio)
Canon PowerShot S80 Sony Cyber-shot DSC-W300
Surface area:
37.90 mm² vs 42.47 mm²
Difference: 4.57 mm² (12%)
W300 sensor is approx. 1.12x bigger than S80 sensor.
Note: You are comparing cameras of different generations. There is a 3 year gap between Canon S80 (2005) and Sony W300 (2008). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
2.18 µm
1.74 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: 0.44 µm (25%)
Pixel pitch of S80 is approx. 25% higher than pixel pitch of W300.
Pixel area
4.75 µm²
3.03 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: 1.72 µm² (57%)
A pixel on Canon S80 sensor is approx. 57% bigger than a pixel on Sony W300.
Pixel density
21.05 MP/cm²
32.85 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: 11.8 µm (56%)
Sony W300 has approx. 56% higher pixel density than Canon S80.
To learn about the accuracy of these numbers, click here.



Specs

Canon S80
Sony W300
Crop factor
4.87
4.6
Total megapixels
8.30
Effective megapixels
8.00
Optical zoom
3.6x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 50, 100, 200, 400
Auto, 80, 100, 200, 400, 800, 1600, 3200
RAW
Manual focus
Normal focus range
50 cm
30 cm
Macro focus range
4 cm
5 cm
Focal length (35mm equiv.)
28 - 100 mm
35 - 105 mm
Aperture priority
Yes
No
Max. aperture
f2.8 - f5.3
f2.8 - f5.5
Max. aperture (35mm equiv.)
f13.6 - f25.8
f12.9 - f25.3
Metering
Centre weighted, Evaluative, Spot
Centre weighted, Multi-pattern, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
No
Min. shutter speed
15 sec
30 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
Optical (tunnel)
White balance presets
7
7
Screen size
2.5"
2.7"
Screen resolution
115,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
MultiMedia, Secure Digital
Memory Stick Duo, Memory Stick Pro Duo
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Canon Lithium-Ion
Lithium-Ion NP-BG1
Weight
225 g
156 g
Dimensions
104 x 57 x 39 mm
94.3 x 59.0 x 26.8 mm
Year
2005
2008




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vs

Diagonal

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

Canon S80 diagonal

The diagonal of S80 sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm
Diagonal =  7.11² + 5.33²   = 8.89 mm

Sony W300 diagonal

The diagonal of W300 sensor is not 1/1.7 or 0.59" (14.9 mm) as you might expect, but approximately two thirds of that value - 9.41 mm. If you want to know why, see sensor sizes.

w = 7.53 mm
h = 5.64 mm
Diagonal =  7.53² + 5.64²   = 9.41 mm


Surface area

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

S80 sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

W300 sensor area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 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

S80 pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 3262 pixels
Pixel pitch =   7.11  × 1000  = 2.18 µm
3262

W300 pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 4316 pixels
Pixel pitch =   7.53  × 1000  = 1.74 µm
4316


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

S80 pixel area

Pixel pitch = 2.18 µm

Pixel area = 2.18² = 4.75 µm²

W300 pixel area

Pixel pitch = 1.74 µm

Pixel area = 1.74² = 3.03 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

S80 pixel density

Sensor resolution width = 3262 pixels
Sensor width = 0.711 cm

Pixel density = (3262 / 0.711)² / 1000000 = 21.05 MP/cm²

W300 pixel density

Sensor resolution width = 4316 pixels
Sensor width = 0.753 cm

Pixel density = (4316 / 0.753)² / 1000000 = 32.85 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

S80 sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 8.00
r = 7.11/5.33 = 1.33
X =  8.00 × 1000000  = 2453
1.33
Resolution horizontal: X × r = 2453 × 1.33 = 3262
Resolution vertical: X = 2453

Sensor resolution = 3262 x 2453

W300 sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 13.90
r = 7.53/5.64 = 1.34
X =  13.90 × 1000000  = 3221
1.34
Resolution horizontal: X × r = 3221 × 1.34 = 4316
Resolution vertical: X = 3221

Sensor resolution = 4316 x 3221


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


S80 crop factor

Sensor diagonal in mm = 8.89 mm
Crop factor =   43.27  = 4.87
8.89

W300 crop factor

Sensor diagonal in mm = 9.41 mm
Crop factor =   43.27  = 4.6
9.41

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).

S80 equivalent aperture

Crop factor = 4.87
Aperture = f2.8 - f5.3

35-mm equivalent aperture = (f2.8 - f5.3) × 4.87 = f13.6 - f25.8

W300 equivalent aperture

Crop factor = 4.6
Aperture = f2.8 - f5.5

35-mm equivalent aperture = (f2.8 - f5.5) × 4.6 = f12.9 - f25.3

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