Canon EOS Kiss X10i vs. Canon EOS 90D

Comparison

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EOS Kiss X10i image
vs
EOS 90D image
Canon EOS Kiss X10i Canon EOS 90D
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Megapixels
24.10
32.50
Max. image resolution
6000 x 4000
6960 x 4640

Sensor

Sensor type
CMOS
CMOS
Sensor size
22.3 x 14.9 mm
22.3 x 14.9 mm
Sensor resolution
6012 x 4008
6983 x 4655
Diagonal
26.82 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 : 1
(ratio)
Canon EOS Kiss X10i Canon EOS 90D
Surface area:
332.27 mm² vs 332.27 mm²
Difference: 0 mm² (0%)
Kiss X10i and 90D sensors are the same size.
Pixel pitch
3.71 µm
3.19 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: 0.52 µm (16%)
Pixel pitch of Kiss X10i is approx. 16% higher than pixel pitch of 90D.
Pixel area
13.76 µm²
10.18 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: 3.58 µm² (35%)
A pixel on Canon Kiss X10i sensor is approx. 35% bigger than a pixel on Canon 90D.
Pixel density
7.27 MP/cm²
9.81 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: 2.54 µm (35%)
Canon 90D has approx. 35% higher pixel density than Canon Kiss X10i.
To learn about the accuracy of these numbers, click here.



Specs

Canon Kiss X10i
Canon 90D
Crop factor
1.61
1.61
Total megapixels
25.80
34.40
Effective megapixels
24.10
32.50
Optical zoom
Digital zoom
ISO sensitivity
Auto, 100-25600 (expandable to 51200)
Auto, 100-25600 (expandable to 51200)
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, Partial
Exposure compensation
±5 EV (in 1/3 EV, 1/2 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
1/8000 sec
Built-in flash
External flash
Viewfinder
Optical (pentamirror)
Optical (pentaprism)
White balance presets
6
6
Screen size
3"
3"
Screen resolution
1,040,000 dots
1,040,000 dots
Video capture
Max. video resolution
3840x2160 (25p)
3840x2160 (30p/​25p)
Storage types
SD/SDHC/SDXC
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
LP-E17 lithium-ion battery
LP-E6N lithium-ion battery
Weight
515 g
701 g
Dimensions
131 x 102.6 x 76.2 mm
140.7 x 104.8 x 76.8 mm
Year
2020
2019




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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

Canon Kiss X10i diagonal

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

Canon 90D 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.

Kiss X10i sensor area

Width = 22.30 mm
Height = 14.90 mm

Surface area = 22.30 × 14.90 = 332.27 mm²

90D 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

Kiss X10i pixel pitch

Sensor width = 22.30 mm
Sensor resolution width = 6012 pixels
Pixel pitch =   22.30  × 1000  = 3.71 µm
6012

90D pixel pitch

Sensor width = 22.30 mm
Sensor resolution width = 6983 pixels
Pixel pitch =   22.30  × 1000  = 3.19 µm
6983


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

Kiss X10i pixel area

Pixel pitch = 3.71 µm

Pixel area = 3.71² = 13.76 µm²

90D pixel area

Pixel pitch = 3.19 µm

Pixel area = 3.19² = 10.18 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

Kiss X10i pixel density

Sensor resolution width = 6012 pixels
Sensor width = 2.23 cm

Pixel density = (6012 / 2.23)² / 1000000 = 7.27 MP/cm²

90D pixel density

Sensor resolution width = 6983 pixels
Sensor width = 2.23 cm

Pixel density = (6983 / 2.23)² / 1000000 = 9.81 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

Kiss X10i sensor resolution

Sensor width = 22.30 mm
Sensor height = 14.90 mm
Effective megapixels = 24.10
r = 22.30/14.90 = 1.5
X =  24.10 × 1000000  = 4008
1.5
Resolution horizontal: X × r = 4008 × 1.5 = 6012
Resolution vertical: X = 4008

Sensor resolution = 6012 x 4008

90D sensor resolution

Sensor width = 22.30 mm
Sensor height = 14.90 mm
Effective megapixels = 32.50
r = 22.30/14.90 = 1.5
X =  32.50 × 1000000  = 4655
1.5
Resolution horizontal: X × r = 4655 × 1.5 = 6983
Resolution vertical: X = 4655

Sensor resolution = 6983 x 4655


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


Kiss X10i crop factor

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

90D 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).

Kiss X10i 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 Kiss X10i, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon Kiss X10i is 1.61

90D 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 90D, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon 90D is 1.61

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