Sony Cyber-shot DSC-WX100 vs. Samsung Galaxy Camera
Comparison
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Megapixels
18.00
16.30
Max. image resolution
4608 x 3456
Sensor
Sensor type
CMOS
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.3" (~ 6.16 x 4.62 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 »
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 »
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| Sony Cyber-shot DSC-WX100 | Samsung Galaxy Camera | |
Surface area:
| 28.46 mm² | vs | 28.46 mm² |
Difference: 0 mm² (0%)
WX100 and Galaxy Camera sensors are the same size.
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.
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.
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.
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: 0.15 µm² (9%)
A pixel on Samsung Galaxy Camera sensor is approx. 9% bigger than a pixel on Sony WX100.
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.
Higher pixel density means smaller pixels and lower pixel density means larger pixels.
To learn about the accuracy of these numbers,
click here.
Specs
Sony WX100
Samsung Galaxy Camera
Total megapixels
17.00
Effective megapixels
16.30
Optical zoom
Yes
21x
Digital zoom
Yes
Yes
ISO sensitivity
Auto
Auto, 100, 200, 400, 800, 1600, 3200
RAW
Manual focus
Normal focus range
80 cm
Macro focus range
10 cm
Focal length (35mm equiv.)
25 - 250 mm
23 - 481 mm
Aperture priority
Yes
Max. aperture
f3.3
f2.8 - f5.9
Metering
Multi, Spot, Center-weighted
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Min. shutter speed
16 sec
Max. shutter speed
1/2000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
5
Screen size
2.7"
4.8"
Screen resolution
460,000 dots
921,600 dots
Video capture
Max. video resolution
Storage types
Memory Stick Duo, Memory Stick Pro Duo, SDHC, SDXC, Secure Digital
micro SD/micro SDHC/micro SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Li-Ion
Weight
300 g
Dimensions
128.7 x 70.8 x 19.1 mm
Year
2012
2012
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Diagonal
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
| Diagonal = √ | w² + h² |
Sony WX100 diagonal
The diagonal of WX100 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
w = 6.16 mm
h = 4.62 mm
| Diagonal = √ | 6.16² + 4.62² | = 7.70 mm |
Samsung Galaxy Camera diagonal
The diagonal of Galaxy Camera 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
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.
WX100 sensor area
Width = 6.16 mm
Height = 4.62 mm
Surface area = 6.16 × 4.62 = 28.46 mm²
Height = 4.62 mm
Surface area = 6.16 × 4.62 = 28.46 mm²
Galaxy Camera sensor area
Width = 6.16 mm
Height = 4.62 mm
Surface area = 6.16 × 4.62 = 28.46 mm²
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 |
WX100 pixel pitch
Sensor width = 6.16 mm
Sensor resolution width = 4893 pixels
Sensor resolution width = 4893 pixels
| Pixel pitch = | 6.16 | × 1000 | = 1.26 µm |
| 4893 |
Galaxy Camera pixel pitch
Sensor width = 6.16 mm
Sensor resolution width = 4656 pixels
Sensor resolution width = 4656 pixels
| Pixel pitch = | 6.16 | × 1000 | = 1.32 µm |
| 4656 |
Pixel area
The area of one pixel can be calculated by simply squaring the pixel pitch:
You could also divide sensor surface area with effective megapixels:
Pixel area = pixel pitch²
You could also divide sensor surface area with effective megapixels:
| Pixel area = | sensor surface area in mm² |
| effective megapixels |
WX100 pixel area
Pixel pitch = 1.26 µm
Pixel area = 1.26² = 1.59 µm²
Pixel area = 1.26² = 1.59 µm²
Galaxy Camera pixel area
Pixel pitch = 1.32 µm
Pixel area = 1.32² = 1.74 µm²
Pixel area = 1.32² = 1.74 µm²
Pixel density
Pixel density can be calculated with the following formula:
One could also use this 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 |
WX100 pixel density
Sensor resolution width = 4893 pixels
Sensor width = 0.616 cm
Pixel density = (4893 / 0.616)² / 1000000 = 63.09 MP/cm²
Sensor width = 0.616 cm
Pixel density = (4893 / 0.616)² / 1000000 = 63.09 MP/cm²
Galaxy Camera pixel density
Sensor resolution width = 4656 pixels
Sensor width = 0.616 cm
Pixel density = (4656 / 0.616)² / 1000000 = 57.13 MP/cm²
Sensor width = 0.616 cm
Pixel density = (4656 / 0.616)² / 1000000 = 57.13 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:
3. To get sensor resolution we then multiply X with the corresponding ratio:
Resolution horizontal: X × r
Resolution vertical: X
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 → |
|
Resolution horizontal: X × r
Resolution vertical: X
WX100 sensor resolution
Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 18.00
Resolution horizontal: X × r = 3679 × 1.33 = 4893
Resolution vertical: X = 3679
Sensor resolution = 4893 x 3679
Sensor height = 4.62 mm
Effective megapixels = 18.00
| r = 6.16/4.62 = 1.33 |
|
Resolution vertical: X = 3679
Sensor resolution = 4893 x 3679
Galaxy Camera sensor resolution
Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.30
Resolution horizontal: X × r = 3501 × 1.33 = 4656
Resolution vertical: X = 3501
Sensor resolution = 4656 x 3501
Sensor height = 4.62 mm
Effective megapixels = 16.30
| r = 6.16/4.62 = 1.33 |
|
Resolution vertical: X = 3501
Sensor resolution = 4656 x 3501
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 |
WX100 crop factor
Sensor diagonal in mm = 7.70 mm
| Crop factor = | 43.27 | = 5.62 |
| 7.70 |
Galaxy Camera 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).
WX100 equivalent aperture
Crop factor = 5.62
Aperture = f3.3
35-mm equivalent aperture = (f3.3) × 5.62 = f18.5
Aperture = f3.3
35-mm equivalent aperture = (f3.3) × 5.62 = f18.5
Galaxy Camera equivalent aperture
Crop factor = 5.62
Aperture = f2.8 - f5.9
35-mm equivalent aperture = (f2.8 - f5.9) × 5.62 = f15.7 - f33.2
Aperture = f2.8 - f5.9
35-mm equivalent aperture = (f2.8 - f5.9) × 5.62 = f15.7 - f33.2
Enter your screen size (diagonal)
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If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.