Ricoh GR IIIx vs. Fujifilm XF10

Comparison

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Ricoh GR IIIx

Fujifilm XF10

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Megapixels

24.24

24.20

Max. image resolution

6000 x 4000

Sensor

Sensor type

CMOS

Sensor size

23.5 x 15.6 mm

23.5 x 15.7 mm

Sensor resolution

6051 x 4007

6026 x 4017

Diagonal

28.21 mm

28.26 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	:	1.01
(ratio)

Ricoh GR IIIx		Fujifilm XF10

Surface area:

366.60 mm²

368.95 mm²

Difference: 2.35 mm² (0.6%)

XF10 sensor is slightly bigger than GR IIIx sensor (only 0.6% difference).

Note: You are comparing cameras of different generations. There is a 3 year gap between Ricoh GR IIIx (2021) and Fujifilm XF10 (2018). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

3.88 µm

3.9 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: 0.02 µm (0.5%)

Pixel pitch of XF10 is approx. 0.5% higher than pixel pitch of GR IIIx.

Pixel area

15.05 µm²

15.21 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: 0.16 µm² (1%)

A pixel on Fujifilm XF10 sensor is approx. 1% bigger than a pixel on Ricoh GR IIIx.

Pixel density

6.63 MP/cm²

6.58 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: 0.05 µm (0.8%)

Ricoh GR IIIx has approx. 0.8% higher pixel density than Fujifilm XF10.

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

Specs

Ricoh GR IIIx

Fujifilm XF10

Crop factor

1.53

Total megapixels

Effective megapixels

24.24

24.20

Optical zoom

Digital zoom

Yes

ISO sensitivity

Auto, 100-102400

Auto, 200-12800 (extends to 100-51200)

RAW

Manual focus

Normal focus range

20 cm

10 cm

Macro focus range

12 cm

Focal length (35mm equiv.)

40 mm

28 mm

Aperture priority

Yes

Max. aperture

f2.8

Max. aperture (35mm equiv.)

f4.3

Metering

Multi, Center-weighted, Highlight-weighted, Spot

Multi, Average, Spot

Exposure compensation

±5 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

30 sec

Max. shutter speed

1/4000 sec

1/16000 sec

Built-in flash

External flash

Viewfinder

Electronic and Optical (optional)

None

White balance presets

Screen size

Screen resolution

1,036,800 dots

Video capture

Max. video resolution

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

3840x2160 (15p)

Storage types

SD/SDHC/SDXC

USB

USB 3.0 (5 GBit/sec)

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

DB-110 lithium-ion battery

NP-95 lithium-ion battery

Weight

262 g

279 g

Dimensions

109.4 x 61.9 x 35.2 mm

112.5 x 64.4 x 41 mm

Year

2021

2018

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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

Ricoh GR IIIx diagonal

w = 23.50 mm
h = 15.60 mm

Diagonal = √

23.50² + 15.60²

= 28.21 mm

Fujifilm XF10 diagonal

w = 23.50 mm
h = 15.70 mm

Diagonal = √

23.50² + 15.70²

= 28.26 mm

Surface area

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

GR IIIx sensor area

Width = 23.50 mm
Height = 15.60 mm

Surface area = 23.50 × 15.60 = 366.60 mm²

XF10 sensor area

Width = 23.50 mm
Height = 15.70 mm

Surface area = 23.50 × 15.70 = 368.95 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

GR IIIx pixel pitch

Sensor width = 23.50 mm
Sensor resolution width = 6051 pixels

Pixel pitch =	23.50	× 1000	= 3.88 µm
	6051

XF10 pixel pitch

Sensor width = 23.50 mm
Sensor resolution width = 6026 pixels

Pixel pitch =	23.50	× 1000	= 3.9 µm
	6026

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

GR IIIx pixel area

Pixel pitch = 3.88 µm

Pixel area = 3.88² = 15.05 µm²

XF10 pixel area

Pixel pitch = 3.9 µm

Pixel area = 3.9² = 15.21 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

GR IIIx pixel density

Sensor resolution width = 6051 pixels
Sensor width = 2.35 cm

Pixel density = (6051 / 2.35)² / 1000000 = 6.63 MP/cm²

XF10 pixel density

Sensor resolution width = 6026 pixels
Sensor width = 2.35 cm

Pixel density = (6026 / 2.35)² / 1000000 = 6.58 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

GR IIIx 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

XF10 sensor resolution

Sensor width = 23.50 mm
Sensor height = 15.70 mm
Effective megapixels = 24.20

r = 23.50/15.70 = 1.5

X = √	24.20 × 1000000	= 4017
	1.5

Resolution horizontal: X × r = 4017 × 1.5 = 6026
Resolution vertical: X = 4017

Sensor resolution = 6026 x 4017

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

GR IIIx crop factor

Sensor diagonal in mm = 28.21 mm

Crop factor =	43.27	= 1.53
	28.21

XF10 crop factor

Sensor diagonal in mm = 28.26 mm

Crop factor =	43.27	= 1.53
	28.26

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).

GR IIIx equivalent aperture

Crop factor = 1.53
Aperture = f2.8

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

XF10 equivalent aperture

Crop factor = 1.53
Aperture = f2.8

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

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