Canon EOS M5 vs. Nikon D90

Comparison

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EOS M5 image
vs
D90 image
Canon EOS M5 Nikon D90
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Megapixels
24.20
12.30
Max. image resolution
6000 x 4000
4288 x 2848

Sensor

Sensor type
CMOS
CMOS
Sensor size
22.3 x 14.9 mm
23.6 x 15.8 mm
Sensor resolution
6026 x 4017
4281 x 2873
Diagonal
26.82 mm
28.40 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 EOS M5 Nikon D90
Surface area:
332.27 mm² vs 372.88 mm²
Difference: 40.61 mm² (12%)
D90 sensor is approx. 1.12x bigger than M5 sensor.
Note: You are comparing sensors of very different generations. There is a gap of 8 years between Canon M5 (2016) and Nikon D90 (2008). Eight years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
3.7 µm
5.51 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: 1.81 µm (49%)
Pixel pitch of D90 is approx. 49% higher than pixel pitch of M5.
Pixel area
13.69 µm²
30.36 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: 16.67 µm² (122%)
A pixel on Nikon D90 sensor is approx. 122% bigger than a pixel on Canon M5.
Pixel density
7.3 MP/cm²
3.29 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: 4.01 µm (122%)
Canon M5 has approx. 122% higher pixel density than Nikon D90.
To learn about the accuracy of these numbers, click here.

Specs

Canon M5
Nikon D90
Crop factor
1.61
1.52
Total megapixels
25.80
12.90
Effective megapixels
24.20
12.30
Optical zoom
Digital zoom
No
ISO sensitivity
Auto, 100-25600
Auto, 200 - 3200 (plus 6400 with boost)
RAW
Manual focus
Normal focus range
Macro focus range
Focal length (35mm equiv.)
Aperture priority
Yes
Yes
Max. aperture
Max. aperture (35mm equiv.)
n/a
n/a
Metering
Multi, Center-weighted, Spot, Partial
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/3 EV steps)
±5 EV (in 1/3 EV, 1/2 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
30 sec
Max. shutter speed
1/4000 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
Electronic
Optical (pentaprism)
White balance presets
6
12
Screen size
3.2"
3"
Screen resolution
1,620,000 dots
920,000 dots
Video capture
Max. video resolution
1920x1080 (60p/50p/30p/25p/24p)
1280x720 (24)
Storage types
SD/SDHC/SDXC
SD/SDHC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
LP-E17 lithium-ion battery
Lithium-Ion EN-EL3e rechargeable battery
Weight
427 g
703 g
Dimensions
115.6 x 89.2 x 60.6 mm
132 x 103 x 77 mm
Year
2016
2008



Choose cameras to compare

vs

Diagonal

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

Canon M5 diagonal

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

Nikon D90 diagonal

w = 23.60 mm
h = 15.80 mm
Diagonal =  23.60² + 15.80²   = 28.40 mm


Surface area

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

M5 sensor area

Width = 22.30 mm
Height = 14.90 mm

Surface area = 22.30 × 14.90 = 332.27 mm²

D90 sensor area

Width = 23.60 mm
Height = 15.80 mm

Surface area = 23.60 × 15.80 = 372.88 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

M5 pixel pitch

Sensor width = 22.30 mm
Sensor resolution width = 6026 pixels
Pixel pitch =   22.30  × 1000  = 3.7 µm
6026

D90 pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 4281 pixels
Pixel pitch =   23.60  × 1000  = 5.51 µm
4281


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

M5 pixel area

Pixel pitch = 3.7 µm

Pixel area = 3.7² = 13.69 µm²

D90 pixel area

Pixel pitch = 5.51 µm

Pixel area = 5.51² = 30.36 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

M5 pixel density

Sensor resolution width = 6026 pixels
Sensor width = 2.23 cm

Pixel density = (6026 / 2.23)² / 1000000 = 7.3 MP/cm²

D90 pixel density

Sensor resolution width = 4281 pixels
Sensor width = 2.36 cm

Pixel density = (4281 / 2.36)² / 1000000 = 3.29 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

M5 sensor resolution

Sensor width = 22.30 mm
Sensor height = 14.90 mm
Effective megapixels = 24.20
r = 22.30/14.90 = 1.5
X =  24.20 × 1000000  = 4017
1.5
Resolution horizontal: X × r = 4017 × 1.5 = 6026
Resolution vertical: X = 4017

Sensor resolution = 6026 x 4017

D90 sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.80 mm
Effective megapixels = 12.30
r = 23.60/15.80 = 1.49
X =  12.30 × 1000000  = 2873
1.49
Resolution horizontal: X × r = 2873 × 1.49 = 4281
Resolution vertical: X = 2873

Sensor resolution = 4281 x 2873


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


M5 crop factor

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

D90 crop factor

Sensor diagonal in mm = 28.40 mm
Crop factor =   43.27  = 1.52
28.40

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).

M5 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 M5, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon M5 is 1.61

D90 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 Nikon D90, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Nikon D90 is 1.52

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