Fujifilm X100V vs. Ricoh GR III

Comparison

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Fujifilm X100V

Ricoh GR III

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Megapixels

26.10

24.24

Max. image resolution

6240 x 4160

6000 x 4000

Sensor

Sensor type

CMOS

Sensor size

23.5 x 15.6 mm

Sensor resolution

6277 x 4157

6051 x 4007

Diagonal

28.21 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)

Fujifilm X100V		Ricoh GR III

Surface area:

366.60 mm²

Difference: 0 mm² (0%)

X100V and GR III sensors are the same size.

Pixel pitch

3.74 µm

3.88 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: 0.14 µm (4%)

Pixel pitch of GR III is approx. 4% higher than pixel pitch of X100V.

Pixel area

13.99 µm²

15.05 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: 1.06 µm² (8%)

A pixel on Ricoh GR III sensor is approx. 8% bigger than a pixel on Fujifilm X100V.

Pixel density

7.13 MP/cm²

6.63 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: 0.5 µm (8%)

Fujifilm X100V has approx. 8% higher pixel density than Ricoh GR III.

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

Specs

Fujifilm X100V

Ricoh GR III

Crop factor

1.53

Total megapixels

Effective megapixels

26.10

24.24

Optical zoom

Digital zoom

Yes

ISO sensitivity

Auto, 160-12800 (expandable to 80-51200)

Auto, 100-102400

RAW

Manual focus

Normal focus range

80 cm

10 cm

Macro focus range

10 cm

6 cm

Focal length (35mm equiv.)

35 mm

28 mm

Aperture priority

Yes

Max. aperture

f2.0

f2.8

Max. aperture (35mm equiv.)

f3.1

f4.3

Metering

Multi, Center-weighted, Average, Spot

Multi, Center-weighted, Highlight-weighted, Spot

Exposure compensation

±5 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

30 sec

Max. shutter speed

1/32000 sec

1/4000 sec

Built-in flash

External flash

Viewfinder

Electronic and Optical (tunnel)

Optical (optional)

White balance presets

Screen size

Screen resolution

1,620,000 dots

1,036,800 dots

Video capture

Max. video resolution

4096x2160 (30p/25p/24p)

1920x1080 (60p/30p/24p)

Storage types

SD/SDHC/SDXC

USB

USB 3.0 (5 GBit/sec)

HDMI

Wireless

GPS

Battery

NP-W126S lithium-ion battery

DB-110 lithium-ion battery

Weight

478 g

257 g

Dimensions

128 x 74.8 x 53.3 mm

109.4 x 61.9 x 33.2 mm

Year

2020

2019

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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 X100V diagonal

w = 23.50 mm
h = 15.60 mm

Diagonal = √

23.50² + 15.60²

= 28.21 mm

Ricoh GR III diagonal

w = 23.50 mm
h = 15.60 mm

Diagonal = √

23.50² + 15.60²

= 28.21 mm

Surface area

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

X100V sensor area

Width = 23.50 mm
Height = 15.60 mm

Surface area = 23.50 × 15.60 = 366.60 mm²

GR III sensor area

Width = 23.50 mm
Height = 15.60 mm

Surface area = 23.50 × 15.60 = 366.60 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

X100V pixel pitch

Sensor width = 23.50 mm
Sensor resolution width = 6277 pixels

Pixel pitch =	23.50	× 1000	= 3.74 µm
	6277

GR III pixel pitch

Sensor width = 23.50 mm
Sensor resolution width = 6051 pixels

Pixel pitch =	23.50	× 1000	= 3.88 µm
	6051

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

X100V pixel area

Pixel pitch = 3.74 µm

Pixel area = 3.74² = 13.99 µm²

GR III pixel area

Pixel pitch = 3.88 µm

Pixel area = 3.88² = 15.05 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

X100V pixel density

Sensor resolution width = 6277 pixels
Sensor width = 2.35 cm

Pixel density = (6277 / 2.35)² / 1000000 = 7.13 MP/cm²

GR III pixel density

Sensor resolution width = 6051 pixels
Sensor width = 2.35 cm

Pixel density = (6051 / 2.35)² / 1000000 = 6.63 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

X100V sensor resolution

Sensor width = 23.50 mm
Sensor height = 15.60 mm
Effective megapixels = 26.10

r = 23.50/15.60 = 1.51

X = √	26.10 × 1000000	= 4157
	1.51

Resolution horizontal: X × r = 4157 × 1.51 = 6277
Resolution vertical: X = 4157

Sensor resolution = 6277 x 4157

GR III sensor resolution

Sensor width = 23.50 mm
Sensor height = 15.60 mm
Effective megapixels = 24.24

r = 23.50/15.60 = 1.51

X = √	24.24 × 1000000	= 4007
	1.51

Resolution horizontal: X × r = 4007 × 1.51 = 6051
Resolution vertical: X = 4007

Sensor resolution = 6051 x 4007

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

X100V crop factor

Sensor diagonal in mm = 28.21 mm

Crop factor =	43.27	= 1.53
	28.21

GR III crop factor

Sensor diagonal in mm = 28.21 mm

Crop factor =	43.27	= 1.53
	28.21

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).

X100V equivalent aperture

Crop factor = 1.53
Aperture = f2.0

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

GR III equivalent aperture

Crop factor = 1.53
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 1.53 = f4.3

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