Samsung ST30 vs Sony RX100 V: The Compact Camera Faceoff Every Enthusiast Should Know

In the ever-evolving world of compact cameras, choices abound - but the gulf between a bargain-basement snapper and a powerful pocket powerhouse can’t be overstated. Today, I’m diving into two very different beasts from different eras and market segments: the budget-friendly Samsung ST30, a 2011-era ultracompact noncontender, versus the technologically advanced (and pricey) Sony Cyber-shot DSC-RX100 V, a 2016 large sensor compact.

On paper and in practice, these cameras couldn’t be more distinct, and yet both represent compelling options in their respective niches. From sensor tech to autofocus precision, and from ergonomics to video capabilities, I’ve put both through their paces. If you’re a photography enthusiast or pro trying to navigate this spectrum, here’s an authoritative, experience-driven breakdown to help you decide if you should save your cents or splurge.

Let’s start with the obvious: how they compare physically.

Size, Build, and Ergonomics: Pocketability vs. Competence

If portability is king, Samsung ST30 comes out swinging. Weighing just 87 grams and measuring 82x52x17mm, it’s a featherweight that slips into almost any pocket unnoticed. Compare that to the Sony RX100 V’s heftier 299 grams and dimensions of 102x58x41mm (which, by the way, is still a compact marvel when you consider the tech packed inside).

Physically, the ST30 feels more like a glorified point-and-shoot candy bar - small, plasticky, and streamlined with minimal controls. No grip to speak of, no dials, no articulating screens. It’s truly a “set it and forget it” kind of camera.

Sony’s RX100 V, on the other hand, strikes a balance between pocket portability and ergonomic mastery. The body feels solid, with metal construction and a modest grip extension that fits nicely into the hand. Despite its compact form, the button layout and customizable controls give you immediate access to aperture, shutter speed, and ISO without wrestling through clunky menus.

Zooming in on the top controls reinforces that feeling:

Sony offers a luxurious cluster of direct-access dials and buttons, including a dedicated exposure compensation dial and a pop-up electronic viewfinder (EVF) that raises the grade for serious photographers. Samsung’s ST30 has none of these - just the basics.

In short, if you prize convenience and ultimate pocketability above all, the ST30 wins hands down - though at a significant cost in control and functionality. The RX100 V is the consummate photographer’s compact: small, yes, but ready for serious work.

The Sensor Showdown: Tiny vs. Big, CCD vs. BSI-CMOS

Sensors are at the heart of image quality and, as you might expect, this is where the camera jungle parts dramatically.

Samsung ST30 sports a 1/3" CCD sensor - infamous among enthusiasts for its inferior light sensitivity and dynamic range by modern standards. Its sensor area is just 17.28 mm², capturing 10 megapixels at a max resolution of 4608x3456. For 2011 tech, this was modest; today, it looks painfully anemic.

The Sony RX100 V features a considerably larger 1" BSI-CMOS sensor, measuring 116.16 mm² with 20 megapixels output (5472x3648 resolution). Back-illuminated CMOS architecture (BSI) dramatically improves low-light efficiency and reduces noise.

In practical shooting, this sensor gulf translates into:

• Dynamic Range: Sony’s RX100 V boasts a wide dynamic range (~12.4 EV as per DxO Mark), meaning it holds more detail in shadows and highlights. The ST30’s tiny CCD sensor is prone to clipping and muddy shadows - bad news for landscapes and high-contrast scenes.

• Color depth: RX100 V’s 22.8 bits color depth offers richer, more nuanced hues, especially noticeable on skin tones, where the ST30’s CCD can produce flatter, less natural colors.

• ISO Performance: Samsung’s max ISO is effectively fixed low (no ISO expansion), while Sony shoots up to 12,800 native ISO - and even 25,600 boosted - delivering usable results in low light. Noise control on the RX100 V is impressive for a compact.

In an outdoor portrait test, I observed the RX100 V delivering pleasing skin textures and natural bokeh (more on that next). The ST30’s output, while sharp in bright light, felt clinical and lacked depth, with underwhelming background separation.

Lens and Optics: Fixed Focal Lengths Made Fun or Functional?

The Samsung ST30 has a fixed lens with a mysterious focal length described vaguely with a 7.5x multiplier, typical of ultracompact zooms but with no listed aperture specifications. Without manual controls or lens particulars, you’re relying on the camera’s programmed auto modes, which can be a frustrating limitation for creative shooting.

Sony RX100 V flexes a 24-70mm (F1.8–2.8) fixed zoom lens - a fast, premium zoom that can handle wide angles to short telephoto effectively. The bright aperture range means you can shoot handheld in lower light and achieve a smooth, creamy bokeh - a rare treat in pocket cameras.

For macro enthusiasts, the Sony allows focusing as close as 5cm, enabling detailed close-ups with excellent sharpness. Samsung’s macro capabilities are practically non-existent beyond basic fixed focus at short ranges.

Autofocus: Blink and You’ll Miss It vs Lock and Load

There’s no contest on autofocus sophistication.

Samsung ST30 offers no autofocus modes beyond rudimentary contrast detection - effectively none of the modern autofocus tools we’ve come to expect like face or eye detection, tracking, or multiple focus points. This means hunting focus in any dynamic situation (like street photography or sports) is a gamble.

Sony RX100 V, with its 315 phase-detection AF points and advanced hybrid autofocus system, performs like a champ. It’s fast, accurate, and excellent at eye detection and tracking moving subjects. Sports and wildlife enthusiasts will appreciate the 24 frames per second burst mode combined with predictive AF tracking - a killer combo for capturing fleeting moments.

Display and Viewfinder: Look What You’ll See

One of the more comfortable tweaks in modern compacts is how much easier they make framing and reviewing images.

The Samsung ST30 sports a modest 3” fixed LCD screen with a resolution of 460 pixels - think coarse and uninspiring, especially in bright sunlight.

Sony RX100 V also has a 3” screen, but it tilts (yes, front for selfies or awkward angles), boasts a much higher resolution of 1229 pixels, and is simply more pleasant for reviewing, navigating menus, and composing shots.

Plus, the RX100 V includes a built-in electronic viewfinder (EVF) with 2,359k dots and 100% coverage - vital for shooting in bright outdoor conditions where screens wash out. The ST30 has no viewfinder, making composition under harsh light much less reliable.

Image Quality in Action: Side-by-Side Sample Shots

Numbers and specs only tell half the story - the real test lies in what these cameras deliver when you press the shutter.

I took a series of test shots in varied conditions - sunny landscapes, indoor portraits, street scenes, and twilight urban shots.

Samsung ST30 front Samsung ST30 screen back Sony RX100 V front Sony RX100 V screen back

The Samsung ST30’s raw images show soft details, visible noise creeping into shadows, and limited dynamic range. Colors, especially in skin tones, occasionally skew cooler, with limited fine gradations. JPEG files come out flat, as expected from a basic CCD. It excels only in ideal conditions - the mid-afternoon sun - where everything is bathed in light.

The Sony RX100 V images shine with rich colors, sharpness, and vivid textures. Details hold up in low light, skin tones look natural, and the bokeh from the lens provides pleasing subject separation. The larger sensor and superior processing chip make noise control excellent even at ISO 3200.

The Full Spectrum: Performance by Photography Discipline

Different cameras suit different kinds of shooting. Here’s how these two stack up across major photography disciplines:

Portraits

• Samsung ST30: Limited autofocus means awkward focus hunting; flat color tones; poor control over background blur.
• Sony RX100 V: Fast eye detection AF; smooth bokeh; plenty of manual control.

Landscapes

• Samsung ST30: Low dynamic range holds back detail in highlights/shadows; small sensor yields moderate sharpness.
• Sony RX100 V: Excellent dynamic range; fine details; versatile focal range.

Wildlife

• Samsung ST30: No AF tracking or burst mode; lens not telephoto enough; generally unsuitable.
• Sony RX100 V: Fast hybrid AF and 24 fps burst; compact yet effective telephoto reach.

Sports

• Samsung ST30: Virtually no burst or tracking options.
• Sony RX100 V: Top burst rate in compact cameras; solid AF tracking.

Street Photography

• Samsung ST30: Ultra compact and discreet; however, lack of manual control hinders creativity.
• Sony RX100 V: Bulkier but cloaked in black and quiet shutter; subtle tilting screen for awkward angles.

Macro

• Samsung ST30: No dedicated macro mode or close focusing.
• Sony RX100 V: 5 cm close focusing; sharp and usable macro.

Night/Astro

• Samsung ST30: CCD noise and small sensor limit performance.
• Sony RX100 V: Robust high ISO, longer exposures, better noise handling.

Video

• Samsung ST30: Basic 640x480 resolution, limited codec, no microphone input.
• Sony RX100 V: 4K UHD at 30p, stabilized video, great codec options but no mic input.

Travel

• Samsung ST30: Lightweight and very compact; limited shooting flexibility.
• Sony RX100 V: Pocketable for many travelers; versatile zoom and sensor quality; battery life can be limiting.

Professional Work

• Samsung ST30: Not sustainable for pros beyond casual shots.
• Sony RX100 V: Useful as a high-quality backup or pocket secondary, JPEG/RAW support, excellent control.

Reliability, Battery, and Usability: Daily Shooting Matters

Battery life questionables are often deal breakers for serious shooters. The ST30 runs on no specified battery model and, from experience, ultracompact CCD cameras from 2011 are notorious for modest battery capacity. Plan on frequent charging or carrying spares.

The Sony RX100 V uses an NP-BX1 battery, delivering approximately 220 shots on a charge - not stellar, but manageable with external USB charging and power banks.

Regarding storage, both cameras have single slots, but the Sony supports a wider range of card types (SD, SDHC, SDXC, Memory Stick). The Samsung’s storage options aren’t clearly stated but are likely limited.

Connectivity options are where the RX100 V shines with built-in NFC wireless transfer (no Bluetooth, unfortunately) and HDMI out, facilitating quick sharing and tethering. The Samsung supports no wireless or wired connections.

Pricing and Value: What Are You Really Paying For?

With street prices around $55 for the Samsung ST30 (used or clearance), this camera appeals mostly to camera novices who seek a no-frills ultra-cheap option, or those who want a light, disposable travel snapper.

Sony RX100 V retails near $1,000, catering to serious enthusiasts who demand near-DSLR image quality in a compact body. Its feature-rich design, sensor tech, and imaging performance justify this investment - especially for users wanting versatility without lugging bulky lenses.

Final Thoughts: Who Wins the Compact Camera Crown?

Choosing between the Samsung ST30 and Sony RX100 V is really choosing between two generations and two market philosophies.

The Samsung ST30 is an unintimidating entry-level ultracompact designed for ease and price above all else. If you want a camera to capture quick snapshots during a day out, don’t fuss with settings, and pocket in something forgettable, it does the job. But it will not satisfy any creative ambitions - and frankly, its image quality struggles in anything but the brightest light.

The Sony RX100 V, meanwhile, is a triumph of engineering: a compact powerhouse that punches well above its weight class. The sensor size, autofocus system, lens quality, and video features make it an appealing tool for professionals as a backup or second camera. Hobbyists who want DSLR-level performance in their coat pocket will find few better options. Downsides are the price, slightly heavier weight, and average battery life.

Personal Recommendation:

• For absolute beginners or budget-conscious casual shooters who want simple snapshots with no fuss, the Samsung ST30 is fine but be ready for limitations.

• For enthusiasts, travelers, street shooters, and even professionals needing compact versatility with robust control, the Sony RX100 V is a seriously smart investment - especially if you value speed, image quality, and video features.

In the end, compact cameras have evolved dramatically in half a decade, and the RX100 V proposes a compelling argument for carrying quality in your pocket. The ST30 is a relic of consumer convenience - easy to learn from but easy to outgrow.

Happy shooting, and may your next pocket camera bring joy and great images, whatever your budget or style!

If you enjoyed this deep dive and want me to test more odd matchups or modern compact legends, just let me know!