Canon EOS 600D vs. Canon PowerShot SX540 HS

Comparison

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EOS 600D image
vs
PowerShot SX540 HS image
Canon EOS 600D Canon PowerShot SX540 HS
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Megapixels
18.00
20.30
Max. image resolution
5184 x 3456
5184 x 3888

Sensor

Sensor type
CMOS
CMOS
Sensor size
22.3 x 14.9 mm
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
5196 x 3464
5196 x 3907
Diagonal
26.82 mm
7.70 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
11.67 : 1
(ratio)
Canon EOS 600D Canon PowerShot SX540 HS
Surface area:
332.27 mm² vs 28.46 mm²
Difference: 303.81 mm² (1067%)
600D sensor is approx. 11.67x bigger than SX540 HS sensor.
Note: You are comparing cameras of different generations. There is a 5 year gap between Canon 600D (2011) and Canon SX540 HS (2016). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
4.29 µm
1.19 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: 3.1 µm (261%)
Pixel pitch of 600D is approx. 261% higher than pixel pitch of SX540 HS.
Pixel area
18.4 µm²
1.42 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: 16.98 µm² (1196%)
A pixel on Canon 600D sensor is approx. 1196% bigger than a pixel on Canon SX540 HS.
Pixel density
5.43 MP/cm²
71.15 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: 65.72 µm (1210%)
Canon SX540 HS has approx. 1210% higher pixel density than Canon 600D.
To learn about the accuracy of these numbers, click here.

Specs

Canon 600D
Canon SX540 HS
Crop factor
1.61
5.62
Total megapixels
18.70
21.10
Effective megapixels
18.00
20.30
Optical zoom
50x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200, 6400, (12800 with boost)
Auto, 80-3200
RAW
Manual focus
Normal focus range
5 cm
Macro focus range
Focal length (35mm equiv.)
24 - 1200 mm
Aperture priority
Yes
Yes
Max. aperture
f3.4 - f6.5
Max. aperture (35mm equiv.)
n/a
f19.1 - f36.5
Metering
Multi, Center-weighted, Spot, Partial
Multi, Center-weighted, Spot
Exposure compensation
±5 EV (in 1/3 EV, 1/2 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
15 sec
Max. shutter speed
1/4000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical
None
White balance presets
6
5
Screen size
3"
3"
Screen resolution
1,040,000 dots
461,000 dots
Video capture
Max. video resolution
1920x1080 (30p/25p/24p)
1920x1080 (60p/30p)
Storage types
SDHC, SDXC, Secure Digital
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Li-Ion
NB-6LH lithium-ion battery
Weight
570 g
442 g
Dimensions
133.1 x 99.5 x 79.7 mm
120 x 81.7 x 91.9 mm
Year
2011
2016



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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 600D diagonal

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

Canon SX540 HS diagonal

The diagonal of SX540 HS 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


Surface area

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

600D sensor area

Width = 22.30 mm
Height = 14.90 mm

Surface area = 22.30 × 14.90 = 332.27 mm²

SX540 HS sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 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

600D pixel pitch

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

SX540 HS pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 5196 pixels
Pixel pitch =   6.16  × 1000  = 1.19 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

600D pixel area

Pixel pitch = 4.29 µm

Pixel area = 4.29² = 18.4 µm²

SX540 HS pixel area

Pixel pitch = 1.19 µm

Pixel area = 1.19² = 1.42 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

600D pixel density

Sensor resolution width = 5196 pixels
Sensor width = 2.23 cm

Pixel density = (5196 / 2.23)² / 1000000 = 5.43 MP/cm²

SX540 HS pixel density

Sensor resolution width = 5196 pixels
Sensor width = 0.616 cm

Pixel density = (5196 / 0.616)² / 1000000 = 71.15 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

600D 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

SX540 HS sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 20.30
r = 6.16/4.62 = 1.33
X =  20.30 × 1000000  = 3907
1.33
Resolution horizontal: X × r = 3907 × 1.33 = 5196
Resolution vertical: X = 3907

Sensor resolution = 5196 x 3907


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


600D crop factor

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

SX540 HS crop factor

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

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).

600D 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 600D, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon 600D is 1.61

SX540 HS equivalent aperture

Crop factor = 5.62
Aperture = f3.4 - f6.5

35-mm equivalent aperture = (f3.4 - f6.5) × 5.62 = f19.1 - f36.5

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