Nikon D3200 vs. Sony Cyber-shot DSC-RX100
Comparison
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Nikon D3200 | Sony Cyber-shot DSC-RX100 | ||||
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Megapixels
24.20
20.20
Max. image resolution
6016 x 4000
5472 x 3648
Sensor
Sensor type
CMOS
CMOS
Sensor size
23.2 x 15.4 mm
13.2 x 8.8 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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3.08 | : | 1 |
(ratio) | ||
Nikon D3200 | Sony Cyber-shot DSC-RX100 |
Surface area:
357.28 mm² | vs | 116.16 mm² |
Difference: 241.12 mm² (208%)
D3200 sensor is approx. 3.08x bigger than RX100 sensor.
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: 8.99 µm² (156%)
A pixel on Nikon D3200 sensor is approx. 156% bigger than a pixel on Sony RX100.
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
Nikon D3200
Sony RX100
Total megapixels
24.70
20.90
Effective megapixels
24.20
20.20
Optical zoom
3.6x
Digital zoom
No
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200, 6400 (12800 with boost)
Auto, 80, 100, 125, 200, 400, 800, 1600, 3200, 6400
RAW
Manual focus
Normal focus range
Macro focus range
5 cm
Focal length (35mm equiv.)
28 - 100 mm
Aperture priority
Yes
Yes
Max. aperture
f1.8 - f4.9
Metering
Multi, Center-weighted, Spot AF-area
Multi, Center-weighted, Spot
Exposure compensation
±5 EV (in 1/3 EV steps)
±3 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
30 sec
Max. shutter speed
1/4000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical (pentamirror)
None
White balance presets
12
9
Screen size
3"
3"
Screen resolution
921,000 dots
1,228,800 dots
Video capture
Max. video resolution
1920x1080 (30p/25p/24p)
1920x1080 (60p)
Storage types
SD/SDHC/SDXC UHS-I compliant
SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion EN-EL14 rechargeable battery
Lithium-Ion NP-BX1 battery
Weight
505 g
213 g
Dimensions
125 x 96 x 77 mm
102 x 59 x 36 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 |
Nikon D3200 diagonal
w = 23.20 mm
h = 15.40 mm
h = 15.40 mm
Diagonal = √ | 23.20² + 15.40² | = 27.85 mm |
Sony RX100 diagonal
w = 13.20 mm
h = 8.80 mm
h = 8.80 mm
Diagonal = √ | 13.20² + 8.80² | = 15.86 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
D3200 sensor area
Width = 23.20 mm
Height = 15.40 mm
Surface area = 23.20 × 15.40 = 357.28 mm²
Height = 15.40 mm
Surface area = 23.20 × 15.40 = 357.28 mm²
RX100 sensor area
Width = 13.20 mm
Height = 8.80 mm
Surface area = 13.20 × 8.80 = 116.16 mm²
Height = 8.80 mm
Surface area = 13.20 × 8.80 = 116.16 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 |
D3200 pixel pitch
Sensor width = 23.20 mm
Sensor resolution width = 6045 pixels
Sensor resolution width = 6045 pixels
Pixel pitch = | 23.20 | × 1000 | = 3.84 µm |
6045 |
RX100 pixel pitch
Sensor width = 13.20 mm
Sensor resolution width = 5505 pixels
Sensor resolution width = 5505 pixels
Pixel pitch = | 13.20 | × 1000 | = 2.4 µm |
5505 |
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 |
D3200 pixel area
Pixel pitch = 3.84 µm
Pixel area = 3.84² = 14.75 µm²
Pixel area = 3.84² = 14.75 µm²
RX100 pixel area
Pixel pitch = 2.4 µm
Pixel area = 2.4² = 5.76 µm²
Pixel area = 2.4² = 5.76 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 |
D3200 pixel density
Sensor resolution width = 6045 pixels
Sensor width = 2.32 cm
Pixel density = (6045 / 2.32)² / 1000000 = 6.79 MP/cm²
Sensor width = 2.32 cm
Pixel density = (6045 / 2.32)² / 1000000 = 6.79 MP/cm²
RX100 pixel density
Sensor resolution width = 5505 pixels
Sensor width = 1.32 cm
Pixel density = (5505 / 1.32)² / 1000000 = 17.39 MP/cm²
Sensor width = 1.32 cm
Pixel density = (5505 / 1.32)² / 1000000 = 17.39 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 → |
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Resolution horizontal: X × r
Resolution vertical: X
D3200 sensor resolution
Sensor width = 23.20 mm
Sensor height = 15.40 mm
Effective megapixels = 24.20
Resolution horizontal: X × r = 4003 × 1.51 = 6045
Resolution vertical: X = 4003
Sensor resolution = 6045 x 4003
Sensor height = 15.40 mm
Effective megapixels = 24.20
r = 23.20/15.40 = 1.51 |
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Resolution vertical: X = 4003
Sensor resolution = 6045 x 4003
RX100 sensor resolution
Sensor width = 13.20 mm
Sensor height = 8.80 mm
Effective megapixels = 20.20
Resolution horizontal: X × r = 3670 × 1.5 = 5505
Resolution vertical: X = 3670
Sensor resolution = 5505 x 3670
Sensor height = 8.80 mm
Effective megapixels = 20.20
r = 13.20/8.80 = 1.5 |
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Resolution vertical: X = 3670
Sensor resolution = 5505 x 3670
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 |
D3200 crop factor
Sensor diagonal in mm = 27.85 mm
Crop factor = | 43.27 | = 1.55 |
27.85 |
RX100 crop factor
Sensor diagonal in mm = 15.86 mm
Crop factor = | 43.27 | = 2.73 |
15.86 |
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).
D3200 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
Nikon D3200, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for Nikon D3200 is 1.55
Crop factor for Nikon D3200 is 1.55
RX100 equivalent aperture
Crop factor = 2.73
Aperture = f1.8 - f4.9
35-mm equivalent aperture = (f1.8 - f4.9) × 2.73 = f4.9 - f13.4
Aperture = f1.8 - f4.9
35-mm equivalent aperture = (f1.8 - f4.9) × 2.73 = f4.9 - f13.4
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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.