Nikon Coolpix S550 vs. Canon EOS 700D

Comparison

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Coolpix S550 image
vs
EOS 700D image
Nikon Coolpix S550 Canon EOS 700D
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Megapixels
10.00
18.00
Max. image resolution
3648 x 2736
5184 x 3456

Sensor

Sensor type
CCD
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
22.3 x 14.9 mm
Sensor resolution
3647 x 2742
5196 x 3464
Diagonal
7.70 mm
26.82 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 : 11.67
(ratio)
Nikon Coolpix S550 Canon EOS 700D
Surface area:
28.46 mm² vs 332.27 mm²
Difference: 303.81 mm² (1067%)
700D sensor is approx. 11.67x bigger than S550 sensor.
Note: You are comparing cameras of different generations. There is a 5 year gap between Nikon S550 (2008) and Canon 700D (2013). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.69 µm
4.29 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: 2.6 µm (154%)
Pixel pitch of 700D is approx. 154% higher than pixel pitch of S550.
Pixel area
2.86 µm²
18.4 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: 15.54 µm² (543%)
A pixel on Canon 700D sensor is approx. 543% bigger than a pixel on Nikon S550.
Pixel density
35.05 MP/cm²
5.43 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: 29.62 µm (545%)
Nikon S550 has approx. 545% higher pixel density than Canon 700D.
To learn about the accuracy of these numbers, click here.



Specs

Nikon S550
Canon 700D
Crop factor
5.62
1.61
Total megapixels
10.30
18.50
Effective megapixels
10.00
18.00
Optical zoom
5x
Digital zoom
Yes
No
ISO sensitivity
Auto, 64, 100, 200, 400, 800, 1600, 2000
Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800 (25600 with boost)
RAW
Manual focus
Normal focus range
35 cm
Macro focus range
10 cm
Focal length (35mm equiv.)
36 - 180 mm
Aperture priority
No
Yes
Max. aperture
f3.5 - f5.6
Max. aperture (35mm equiv.)
f19.7 - f31.5
n/a
Metering
Multi, Center-weighted, Average, Spot
Multi, Center-weighted, Spot, Partial
Exposure compensation
±2 EV (in 1/3 EV steps)
±5 EV (in 1/3 EV, 1/2 EV steps)
Shutter priority
No
Yes
Min. shutter speed
4 sec
30 sec
Max. shutter speed
1/1500 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
None
Optical (pentamirror)
White balance presets
5
6
Screen size
2.5"
3"
Screen resolution
230,000 dots
1,040,000 dots
Video capture
Max. video resolution
1920x1080 (30/25/24)
Storage types
SDHC, Secure Digital
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion (EN-EL11)
Lithium-Ion LP-E8 rechargeable battery
Weight
120 g
580 g
Dimensions
90 x 53.5 x 22 mm
133.1 x 99.8 x 78.8 mm
Year
2008
2013




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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

Nikon S550 diagonal

The diagonal of S550 sensor is not 1/2.3 or 0.43" (11 mm) as you might expect, but approximately two thirds of that value - 7.7 mm. If you want to know why, see sensor sizes.

w = 6.16 mm
h = 4.62 mm
Diagonal =  6.16² + 4.62²   = 7.70 mm

Canon 700D diagonal

w = 22.30 mm
h = 14.90 mm
Diagonal =  22.30² + 14.90²   = 26.82 mm


Surface area

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

S550 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

700D sensor area

Width = 22.30 mm
Height = 14.90 mm

Surface area = 22.30 × 14.90 = 332.27 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

S550 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 3647 pixels
Pixel pitch =   6.16  × 1000  = 1.69 µm
3647

700D pixel pitch

Sensor width = 22.30 mm
Sensor resolution width = 5196 pixels
Pixel pitch =   22.30  × 1000  = 4.29 µm
5196


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

S550 pixel area

Pixel pitch = 1.69 µm

Pixel area = 1.69² = 2.86 µm²

700D pixel area

Pixel pitch = 4.29 µm

Pixel area = 4.29² = 18.4 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

S550 pixel density

Sensor resolution width = 3647 pixels
Sensor width = 0.616 cm

Pixel density = (3647 / 0.616)² / 1000000 = 35.05 MP/cm²

700D pixel density

Sensor resolution width = 5196 pixels
Sensor width = 2.23 cm

Pixel density = (5196 / 2.23)² / 1000000 = 5.43 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

S550 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 10.00
r = 6.16/4.62 = 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

700D sensor resolution

Sensor width = 22.30 mm
Sensor height = 14.90 mm
Effective megapixels = 18.00
r = 22.30/14.90 = 1.5
X =  18.00 × 1000000  = 3464
1.5
Resolution horizontal: X × r = 3464 × 1.5 = 5196
Resolution vertical: X = 3464

Sensor resolution = 5196 x 3464


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


S550 crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

700D crop factor

Sensor diagonal in mm = 26.82 mm
Crop factor =   43.27  = 1.61
26.82

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).

S550 equivalent aperture

Crop factor = 5.62
Aperture = f3.5 - f5.6

35-mm equivalent aperture = (f3.5 - f5.6) × 5.62 = f19.7 - f31.5

700D 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 Canon 700D, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon 700D is 1.61

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