Samsung S760 vs. Samsung S630

Comparison

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S760 image
vs
S630 image
Samsung S760 Samsung S630
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Megapixels
7.20
6.00
Max. image resolution
3072 x 2304
2816 x 2112

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.5" (~ 5.75 x 4.32 mm)
1/2.5" (~ 5.75 x 4.32 mm)
Sensor resolution
3095 x 2327
2825 x 2124
Diagonal
7.19 mm
7.19 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)
Samsung S760 Samsung S630
Surface area:
24.84 mm² vs 24.84 mm²
Difference: 0 mm² (0%)
S760 and S630 sensors are the same size.
Pixel pitch
1.86 µm
2.04 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: 0.18 µm (10%)
Pixel pitch of S630 is approx. 10% higher than pixel pitch of S760.
Pixel area
3.46 µm²
4.16 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: 0.7 µm² (20%)
A pixel on Samsung S630 sensor is approx. 20% bigger than a pixel on Samsung S760.
Pixel density
28.97 MP/cm²
24.14 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: 4.83 µm (20%)
Samsung S760 has approx. 20% higher pixel density than Samsung S630.
To learn about the accuracy of these numbers, click here.



Specs

Samsung S760
Samsung S630
Crop factor
6.02
6.02
Total megapixels
7.20
6.10
Effective megapixels
7.20
6.00
Optical zoom
3x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400, 800, 1000
Auto, 80, 100, 200, 400
RAW
Manual focus
Normal focus range
80 cm
80 cm
Macro focus range
10 cm
5 cm
Focal length (35mm equiv.)
38 - 114 mm
35 - 105 mm
Aperture priority
No
No
Max. aperture
f2.8 - f5.1
f2.8 - f4.9
Max. aperture (35mm equiv.)
f16.9 - f30.7
f16.9 - f29.5
Metering
Multi Spot
Multi Spot, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/2 EV steps)
Shutter priority
No
No
Min. shutter speed
8 sec
8 sec
Max. shutter speed
1/1500 sec
1/1500 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
6
Screen size
2.4"
2.5"
Screen resolution
230,000 dots
150,000 dots
Video capture
Max. video resolution
Storage types
SDHC, Secure Digital
MultiMedia, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion rechargeable
AA (2) batteries (NiMH recommended)
Weight
123 g
136 g
Dimensions
93 x 62 x 26.5 mm
99.8 x 62.8 x 25.7 mm
Year
2007
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

Samsung S760 diagonal

The diagonal of S760 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm
Diagonal =  5.75² + 4.32²   = 7.19 mm

Samsung S630 diagonal

The diagonal of S630 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm
Diagonal =  5.75² + 4.32²   = 7.19 mm


Surface area

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

S760 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 mm²

S630 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

S760 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 3095 pixels
Pixel pitch =   5.75  × 1000  = 1.86 µm
3095

S630 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2825 pixels
Pixel pitch =   5.75  × 1000  = 2.04 µm
2825


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

S760 pixel area

Pixel pitch = 1.86 µm

Pixel area = 1.86² = 3.46 µm²

S630 pixel area

Pixel pitch = 2.04 µm

Pixel area = 2.04² = 4.16 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

S760 pixel density

Sensor resolution width = 3095 pixels
Sensor width = 0.575 cm

Pixel density = (3095 / 0.575)² / 1000000 = 28.97 MP/cm²

S630 pixel density

Sensor resolution width = 2825 pixels
Sensor width = 0.575 cm

Pixel density = (2825 / 0.575)² / 1000000 = 24.14 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

S760 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 7.20
r = 5.75/4.32 = 1.33
X =  7.20 × 1000000  = 2327
1.33
Resolution horizontal: X × r = 2327 × 1.33 = 3095
Resolution vertical: X = 2327

Sensor resolution = 3095 x 2327

S630 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 6.00
r = 5.75/4.32 = 1.33
X =  6.00 × 1000000  = 2124
1.33
Resolution horizontal: X × r = 2124 × 1.33 = 2825
Resolution vertical: X = 2124

Sensor resolution = 2825 x 2124


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


S760 crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

S630 crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

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).

S760 equivalent aperture

Crop factor = 6.02
Aperture = f2.8 - f5.1

35-mm equivalent aperture = (f2.8 - f5.1) × 6.02 = f16.9 - f30.7

S630 equivalent aperture

Crop factor = 6.02
Aperture = f2.8 - f4.9

35-mm equivalent aperture = (f2.8 - f4.9) × 6.02 = f16.9 - f29.5

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