Casio Exilim EX-ZR1100 vs. Canon PowerShot G9

Comparison

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Casio Exilim EX-ZR1100

Canon PowerShot G9

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Megapixels

16.10

12.10

Max. image resolution

4608 x 3456

4000 x 3000

Sensor

Sensor type

CMOS

CCD

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

1/1.7" (~ 7.53 x 5.64 mm)

Sensor resolution

4627 x 3479

4027 x 3005

Diagonal

7.70 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	:	1.49
(ratio)

Casio Exilim EX-ZR1100		Canon PowerShot G9

Surface area:

28.46 mm²

42.47 mm²

Difference: 14.01 mm² (49%)

G9 sensor is approx. 1.49x bigger than ZR1100 sensor.

Note: You are comparing sensors of very different generations. There is a gap of 6 years between Casio ZR1100 (2013) and Canon G9 (2007). Six years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.

Pixel pitch

1.33 µm

1.87 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: 0.54 µm (41%)

Pixel pitch of G9 is approx. 41% higher than pixel pitch of ZR1100.

Pixel area

1.77 µm²

3.5 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:

Pixel area difference: 1.73 µm² (98%)

A pixel on Canon G9 sensor is approx. 98% bigger than a pixel on Casio ZR1100.

Pixel density

56.42 MP/cm²

28.6 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: 27.82 µm (97%)

Casio ZR1100 has approx. 97% higher pixel density than Canon G9.

To learn about the accuracy of these numbers, click here.

Specs

Casio ZR1100

Canon G9

Crop factor

5.62

4.6

Total megapixels

16.79

12.40

Effective megapixels

16.10

12.10

Optical zoom

12.5x

Digital zoom

Yes

ISO sensitivity

Auto, 80, 100, 200, 400, 800, 1600, 3200

Auto, 80, 100, 200, 400, 800, 1600

RAW

Manual focus

Normal focus range

50 cm

45 cm

Macro focus range

1 cm

Focal length (35mm equiv.)

24 - 300 mm

35 - 210 mm

Aperture priority

Yes

Max. aperture

f3.0 - f5.9

f2.8 - f4.8

Max. aperture (35mm equiv.)

f16.9 - f33.2

f12.9 - f22.1

Metering

Multi, Center-weighted, Spot

Centre weighted, Evaluative, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

4 sec

15 sec

Max. shutter speed

1/2000 sec

1/2500 sec

Built-in flash

External flash

Viewfinder

None

Optical (tunnel)

White balance presets

Screen size

Screen resolution

921,600 dots

230,000 dots

Video capture

Max. video resolution

Storage types

SD/SDHC/SDXC

MultiMedia, SDHC, Secure Digital

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

Lithium-ion NP-130A rechargeable battery

Canon Lithium-Ion

Weight

256 g

320 g

Dimensions

107.5 x 61.5 x 36.7 mm

106.4 x 71.9 x 42.5 mm

Year

2013

2007

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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

Casio ZR1100 diagonal

The diagonal of ZR1100 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 G9 diagonal

The diagonal of G9 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.

ZR1100 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

G9 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

ZR1100 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4627 pixels

Pixel pitch =	6.16	× 1000	= 1.33 µm
	4627

G9 pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 4027 pixels

Pixel pitch =	7.53	× 1000	= 1.87 µm
	4027

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

ZR1100 pixel area

Pixel pitch = 1.33 µm

Pixel area = 1.33² = 1.77 µm²

G9 pixel area

Pixel pitch = 1.87 µm

Pixel area = 1.87² = 3.5 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

ZR1100 pixel density

Sensor resolution width = 4627 pixels
Sensor width = 0.616 cm

Pixel density = (4627 / 0.616)² / 1000000 = 56.42 MP/cm²

G9 pixel density

Sensor resolution width = 4027 pixels
Sensor width = 0.753 cm

Pixel density = (4027 / 0.753)² / 1000000 = 28.6 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

ZR1100 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.10

r = 6.16/4.62 = 1.33

X = √	16.10 × 1000000	= 3479
	1.33

Resolution horizontal: X × r = 3479 × 1.33 = 4627
Resolution vertical: X = 3479

Sensor resolution = 4627 x 3479

G9 sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 12.10

r = 7.53/5.64 = 1.34

X = √	12.10 × 1000000	= 3005
	1.34

Resolution horizontal: X × r = 3005 × 1.34 = 4027
Resolution vertical: X = 3005

Sensor resolution = 4027 x 3005

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

ZR1100 crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

G9 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).

ZR1100 equivalent aperture

Crop factor = 5.62
Aperture = f3.0 - f5.9

35-mm equivalent aperture = (f3.0 - f5.9) × 5.62 = f16.9 - f33.2

G9 equivalent aperture

Crop factor = 4.6
Aperture = f2.8 - f4.8

35-mm equivalent aperture = (f2.8 - f4.8) × 4.6 = f12.9 - f22.1

More comparisons of Casio ZR1100:

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