Sony Cyber-shot RX100 III review

The best pocketable compact camera just got better

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best. Find out more about how we test.

As part of our image quality testing for the Sony RX 100 III, we've shot our resolution chart.

If you view our crops of the resolution chart's central section at 100% (or Actual Pixels) you will see that, for example, at ISO 100 the Sony RX 100 III is capable of resolving up to around 28 (line widths per picture height x100) in its highest quality JPEG files.

For a full explanation of what our resolution charts mean, and how to read them, check out our full explanation of our camera testing resolution charts.

Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:

JPEG

Sony RX 100 III

Full ISO 100 image. See 100% crops below:

Sony RX 100 III

ISO 80. Score: 28. Click here for full resolution image.

Sony RX 100 III

ISO 100. Score: 26. Click here for full resolution image.

Sony RX 100 III

ISO 200. Score: 28. Click here for full resolution image.

Sony RX 100 III

ISO 400. Score: 26. Click here for full resolution image.

Sony RX 100 III

ISO 800. Score: 24. Click here for full resolution image.

Sony RX 100 III

ISO 1600. Score: 24. Click here for full resolution image.

Sony RX 100 III

ISO 3200. Score: 18. Click here for full resolution image.

Sony RX 100 III

ISO 6400. Score: 22. Click here for full resolution image.

Sony RX 100 III

ISO 12800. Score: 16. Click here for full resolution image.

Raw

Sony RX 100 III

ISO 80. Score: 28. Click here for full resolution image.

Sony RX 100 III

ISO 100. Score: 26. Click here for full resolution image.

Sony RX 100 III

ISO 200. Score: 28. Click here for full resolution image.

Sony RX 100 III

ISO 400. Score: 26. Click here for full resolution image.

Sony RX 100 III

ISO 800. Score: 24. Click here for full resolution image.

Sony RX 100 III

ISO 1600. Score: 24. Click here for full resolution image.

Sony RX 100 III

ISO 3200. Score: 20. Click here for full resolution image.

Sony RX 100 III

ISO 6400. Score: 20. Click here for full resolution image.

Sony RX 100 III

ISO 12800. Score: 18. Click here for full resolution image.

TOPICS
Read more
OM System OM-3 mirrorless camera in the hand, 12-45mm F4 Pro lens attached
OM System’s OM-3 isn’t just pretty, it's made photography fun for me again in a way that Canon, Sony and Nikon fail to
Best compact camera lead image
The best compact camera for 2025: top pocket choices to take anywhere
Sony A7 IV lead image
Best Sony camera 2025: the top choices for both stills and video
OM System OM-3 alongside the OM System OM-5 with a split green / magenta background
OM System OM-3 vs OM System OM-5: is the OM-3 really worth upgrading for?
Nikon Z50 II camera on a wooden surface in front of white tiled wall
Nikon Z50 II review: a pocket rocket at a competitive price
Lead image for TechRadar's best point-and-shoot camera buying guide, featuring the Panasonic Lumix TZ200
Best point-and-shoot camera 2025: top picks for simple shooting
Latest in Compact Cameras
Holding the Fujifilm GFX100 RF medium-format compact camera
Fujifilm GFX100RF preorders are live: where to buy Fuji's latest medium format compact camera
Canon March 2025 launch teaser
Canon teases two big vlogging camera launches for next week – and one looks to be the PowerShot V1
Holding the Fujifilm GFX100 RF medium-format compact camera
I tried Fujifilm’s new medium-format GFX100RF, and it could just be the most desirable compact camera ever
Image showing detail of the Leica D-Lux 8
Still can't get a Fujifilm X100VI? This premium Leica compact costs less, and it's in stock
Fujfilm GFX 50R
First Fujifilm GFX100RF images leaked in build-up to expected reveal – here’s what they tell us about the unique premium compact camera
Canon PowerShot V1 in user's hands, oudoors with a snowy Japan backdrop
I review cameras for a living, and the new Canon PowerShot V1 could be this year’s vlogging star – here’s why
Latest in Reviews
The RIG M2 Streamstar.
I wanted to love the new RIG M2 Streamstar, but this pricey gaming microphone fails to deliver
Bambu Lab H2D Vs X1C
I've been reviewing the hotly anticipated Bambu Lab H2D for a month, and it's the most versatile machine I've ever used
Full view of the Cherry KW 7100 Mini BT
I tested the Cherry KW 7100 Mini BT - see what I thought of this travel keyboard
Logitech Rally Bar Huddle main image
I tested the Logitech Rally Bar Huddle - see what I thought of this smart all-in-one conferencing solution
A screenshot from The First Berserker: Khazan
I got absolutely destroyed by The First Berserker: Khazan’s bosses for hours on end and loved every second of it
The player holding a Shard Card in Fragpunk.
Competitive shooter Fragpunk wowed me with its game-changing Shard Cards, but I can't stand the aggressive monetization