Samsung Digimax 101 vs. Samsung Digimax 201

Comparison

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Samsung Digimax 101

Samsung Digimax 201

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Megapixels

1.30

2.00

Max. image resolution

1280 x 960

1600 x 1200

Sensor

Sensor type

CMOS

CCD

Sensor size

1/2" (~ 6.4 x 4.8 mm)

1/3.2" (~ 4.5 x 3.37 mm)

Sensor resolution

1315 x 989

1637 x 1222

Diagonal

8.00 mm

5.62 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 »

Actual sensor size

Note: Actual size is set to screen → change »

	vs
2.03	:	1
(ratio)

Samsung Digimax 101		Samsung Digimax 201

Surface area:

30.72 mm²

15.17 mm²

Difference: 15.55 mm² (103%)

101 sensor is approx. 2.03x bigger than 201 sensor.

Pixel pitch

4.87 µm

2.75 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: 2.12 µm (77%)

Pixel pitch of 101 is approx. 77% higher than pixel pitch of 201.

Pixel area

23.72 µm²

7.56 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: 16.16 µm² (214%)

A pixel on Samsung 101 sensor is approx. 214% bigger than a pixel on Samsung 201.

Pixel density

4.22 MP/cm²

13.23 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: 9.01 µm (214%)

Samsung 201 has approx. 214% higher pixel density than Samsung 101.

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

Specs

Samsung 101

Samsung 201

Crop factor

5.41

7.7

Total megapixels

Effective megapixels

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

Auto

Auto, 100, 200

RAW

Manual focus

Normal focus range

100 cm

80 cm

Macro focus range

18 cm

Focal length (35mm equiv.)

35 mm

43 mm

Aperture priority

Max. aperture

f2.8

Max. aperture (35mm equiv.)

f16.2

f21.6

Metering

Centre weighted

Exposure compensation

±2 EV (in 1/3 EV steps)

±2 EV (in 1/2 EV steps)

Shutter priority

Min. shutter speed

1/15 sec

1/4 sec

Max. shutter speed

1/2000 sec

1/1000 sec

Built-in flash

External flash

Viewfinder

Optical

White balance presets

Screen size

1.6"

Screen resolution

Video capture

Max. video resolution

Storage types

MultiMedia, Secure Digital

USB

USB 1.1

HDMI

Wireless

GPS

Battery

1x CR-V3, 2x AA

2x AA

Weight

125 g

220 g

Dimensions

108 x 56 x 37 mm

94 x 66 x 40 mm

Year

2002

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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 101 diagonal

The diagonal of 101 sensor is not 1/2 or 0.5" (12.7 mm) as you might expect, but approximately two thirds of that value - 8 mm. If you want to know why, see sensor sizes.

w = 6.40 mm
h = 4.80 mm

Diagonal = √

6.40² + 4.80²

= 8.00 mm

Samsung 201 diagonal

The diagonal of 201 sensor is not 1/3.2 or 0.31" (7.9 mm) as you might expect, but approximately two thirds of that value - 5.62 mm. If you want to know why, see sensor sizes.

w = 4.50 mm
h = 3.37 mm

Diagonal = √

4.50² + 3.37²

= 5.62 mm

Surface area

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

101 sensor area

Width = 6.40 mm
Height = 4.80 mm

Surface area = 6.40 × 4.80 = 30.72 mm²

201 sensor area

Width = 4.50 mm
Height = 3.37 mm

Surface area = 4.50 × 3.37 = 15.17 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

101 pixel pitch

Sensor width = 6.40 mm
Sensor resolution width = 1315 pixels

Pixel pitch =	6.40	× 1000	= 4.87 µm
	1315

201 pixel pitch

Sensor width = 4.50 mm
Sensor resolution width = 1637 pixels

Pixel pitch =	4.50	× 1000	= 2.75 µm
	1637

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

101 pixel area

Pixel pitch = 4.87 µm

Pixel area = 4.87² = 23.72 µm²

201 pixel area

Pixel pitch = 2.75 µm

Pixel area = 2.75² = 7.56 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

101 pixel density

Sensor resolution width = 1315 pixels
Sensor width = 0.64 cm

Pixel density = (1315 / 0.64)² / 1000000 = 4.22 MP/cm²

201 pixel density

Sensor resolution width = 1637 pixels
Sensor width = 0.45 cm

Pixel density = (1637 / 0.45)² / 1000000 = 13.23 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

101 sensor resolution

Sensor width = 6.40 mm
Sensor height = 4.80 mm
Effective megapixels = 1.30

r = 6.40/4.80 = 1.33

X = √	1.30 × 1000000	= 989
	1.33

Resolution horizontal: X × r = 989 × 1.33 = 1315
Resolution vertical: X = 989

Sensor resolution = 1315 x 989

201 sensor resolution

Sensor width = 4.50 mm
Sensor height = 3.37 mm
Effective megapixels = 2.00

r = 4.50/3.37 = 1.34

X = √	2.00 × 1000000	= 1222
	1.34

Resolution horizontal: X × r = 1222 × 1.34 = 1637
Resolution vertical: X = 1222

Sensor resolution = 1637 x 1222

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

101 crop factor

Sensor diagonal in mm = 8.00 mm

Crop factor =	43.27	= 5.41
	8.00

201 crop factor

Sensor diagonal in mm = 5.62 mm

Crop factor =	43.27	= 7.7
	5.62

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).

101 equivalent aperture

Crop factor = 5.41
Aperture = f3

35-mm equivalent aperture = (f3) × 5.41 = f16.2

201 equivalent aperture

Crop factor = 7.7
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 7.7 = f21.6

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