Fujifilm X100T vs. Sony Cyber-shot DSC-RX1R

Comparison

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X100T image
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Cyber-shot DSC-RX1R image
Fujifilm X100T Sony Cyber-shot DSC-RX1R
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Megapixels
16.30
24.30
Max. image resolution
4896 x 3264
6000 x 4000

Sensor

Sensor type
CMOS
CMOS
Sensor size
23.6 x 15.6 mm
35.8 x 23.9 mm
Sensor resolution
4962 x 3286
6038 x 4025
Diagonal
28.29 mm
43.04 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 : 2.32
(ratio)
Fujifilm X100T Sony Cyber-shot DSC-RX1R
Surface area:
368.16 mm² vs 855.62 mm²
Difference: 487.46 mm² (132%)
RX1R sensor is approx. 2.32x bigger than X100T sensor.
Pixel pitch
4.76 µm
5.93 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: 1.17 µm (25%)
Pixel pitch of RX1R is approx. 25% higher than pixel pitch of X100T.
Pixel area
22.66 µm²
35.16 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: 12.5 µm² (55%)
A pixel on Sony RX1R sensor is approx. 55% bigger than a pixel on Fujifilm X100T.
Pixel density
4.42 MP/cm²
2.84 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: 1.58 µm (56%)
Fujifilm X100T has approx. 56% higher pixel density than Sony RX1R.
To learn about the accuracy of these numbers, click here.



Specs

Fujifilm X100T
Sony RX1R
Crop factor
1.53
1.01
Total megapixels
24.70
Effective megapixels
16.30
24.30
Optical zoom
1x
1x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 200-6400 (expandable to 100, 12800, 25600 and 51200)
Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600
RAW
Manual focus
Normal focus range
50 cm
25 cm
Macro focus range
10 cm
Focal length (35mm equiv.)
35 mm
35 mm
Aperture priority
Yes
Yes
Max. aperture
f2.0
f2.0
Max. aperture (35mm equiv.)
f3.1
f2
Metering
Multi, Spot, Average
Multi, Center-weighted, Spot
Exposure compensation
±3 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
1/32000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Hybrid Optical/Electronic
Electronic and Optical (optional)
White balance presets
7
9
Screen size
3"
3"
Screen resolution
1,040,000 dots
1,229,000 dots
Video capture
Max. video resolution
1920x1080 (60p/50p/30p/25p/24p)
Storage types
SD/SDHC/SDXC
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
NP-95 Li-ion battery
Lithium-Ion NP-BX1 battery
Weight
440 g
482 g
Dimensions
126.5 x 74.4 x 52.4 mm
113.3 x 65.4 x 69.6 mm
Year
2014
2013




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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

Fujifilm X100T diagonal

w = 23.60 mm
h = 15.60 mm
Diagonal =  23.60² + 15.60²   = 28.29 mm

Sony RX1R diagonal

w = 35.80 mm
h = 23.90 mm
Diagonal =  35.80² + 23.90²   = 43.04 mm


Surface area

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

X100T sensor area

Width = 23.60 mm
Height = 15.60 mm

Surface area = 23.60 × 15.60 = 368.16 mm²

RX1R sensor area

Width = 35.80 mm
Height = 23.90 mm

Surface area = 35.80 × 23.90 = 855.62 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

X100T pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 4962 pixels
Pixel pitch =   23.60  × 1000  = 4.76 µm
4962

RX1R pixel pitch

Sensor width = 35.80 mm
Sensor resolution width = 6038 pixels
Pixel pitch =   35.80  × 1000  = 5.93 µm
6038


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

X100T pixel area

Pixel pitch = 4.76 µm

Pixel area = 4.76² = 22.66 µm²

RX1R pixel area

Pixel pitch = 5.93 µm

Pixel area = 5.93² = 35.16 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

X100T pixel density

Sensor resolution width = 4962 pixels
Sensor width = 2.36 cm

Pixel density = (4962 / 2.36)² / 1000000 = 4.42 MP/cm²

RX1R pixel density

Sensor resolution width = 6038 pixels
Sensor width = 3.58 cm

Pixel density = (6038 / 3.58)² / 1000000 = 2.84 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

X100T sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.60 mm
Effective megapixels = 16.30
r = 23.60/15.60 = 1.51
X =  16.30 × 1000000  = 3286
1.51
Resolution horizontal: X × r = 3286 × 1.51 = 4962
Resolution vertical: X = 3286

Sensor resolution = 4962 x 3286

RX1R sensor resolution

Sensor width = 35.80 mm
Sensor height = 23.90 mm
Effective megapixels = 24.30
r = 35.80/23.90 = 1.5
X =  24.30 × 1000000  = 4025
1.5
Resolution horizontal: X × r = 4025 × 1.5 = 6038
Resolution vertical: X = 4025

Sensor resolution = 6038 x 4025


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


X100T crop factor

Sensor diagonal in mm = 28.29 mm
Crop factor =   43.27  = 1.53
28.29

RX1R crop factor

Sensor diagonal in mm = 43.04 mm
Crop factor =   43.27  = 1.01
43.04

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).

X100T equivalent aperture

Crop factor = 1.53
Aperture = f2.0

35-mm equivalent aperture = (f2.0) × 1.53 = f3.1

RX1R equivalent aperture

Crop factor = 1.01
Aperture = f2.0

35-mm equivalent aperture = (f2.0) × 1.01 = f2

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