Sony A300 vs Sony W550
64 Imaging
49 Features
45 Overall
47


96 Imaging
37 Features
28 Overall
33
Sony A300 vs Sony W550 Key Specs
(Full Review)
- 10MP - APS-C Sensor
- 2.7" Tilting Screen
- ISO 100 - 3200
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 632g - 131 x 99 x 75mm
- Announced January 2008
- Successor is Sony A330
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 26-104mm (F2.7-5.7) lens
- 110g - 94 x 56 x 19mm
- Revealed July 2011

Sony A300 vs. Sony W550: A Detailed Comparison to Find Your Ideal Camera
When exploring options in digital cameras, especially from a trusted brand like Sony, the choices can range vastly - from an entry-level DSLR to a compact pocket camera. Today, we delve into two very different models aimed at distinct user groups: the Sony Alpha DSLR A300 and the Sony Cyber-shot DSC-W550. Each caters to a different photographic style and practical use, and understanding their strengths and weaknesses will help you make a confident purchase decision.
In this comparison, we will leverage hands-on experience and technical insights combined with practical usage scenarios across all major photography disciplines, including portrait, landscape, wildlife, and more. Along the way, we’ll incorporate sample images and detailed analyses that will clarify the best use cases for each model.
A First Look: Physical Design and Handling
Before diving into technical specs, your interaction with a camera begins with its form factor and ergonomics. Handling comfort can significantly influence your shooting experience, especially during longer sessions or demanding conditions.
The size comparison clearly illustrates the DSLR’s robust grip and larger body relative to the compact, pocketable ultracompact camera.
-
Sony A300: Being an entry-level DSLR, the A300 has a traditional SLR shape. Its body measures 131 × 99 × 75 mm and weighs around 632 grams. This makes it manageable but definitely on the bulkier side compared to compacts. The DSLR body offers a solid grip and physical controls better suited for deliberate, manual control.
-
Sony W550: This ultracompact camera weighs only 110 grams and measures an ultra-slim 94 × 56 × 19 mm. This model is designed for maximum portability and quick point-and-shoot convenience. It easily fits in a pocket or purse, ideal for casual photographers or travel.
Ergonomics takeaway: If you prioritize ergonomics and direct control over settings, the A300’s DSLR design will feel natural. For portability and ease of carry, the W550 wins decisively, though you trade off tactile controls for convenience.
Control Layout and User Interface
How the camera’s controls are laid out can dramatically affect your workflow speed and usability, especially in dynamic shooting conditions.
-
Sony A300: Features dedicated buttons for aperture, shutter priority, ISO, autofocus modes, and a tilting 2.7-inch LCD screen. The camera has a traditional button-and-dial interface giving you quick access to key parameters. The optical pentamirror viewfinder provides real-time framing with 95% frame coverage and 0.49x magnification.
-
Sony W550: Has a simplified interface designed for beginner users. The 3-inch fixed Clear Photo LCD offers touch-free live preview but no viewfinder. Controls are limited with no manual exposure modes, focusing mostly on fully automatic and scene programs.
User interface takeaway: The A300 offers creative manual control with physical dials - ideal if you like to experiment with exposure settings. The W550 is a grab-and-go option best for casual shooters who want minimal fuss.
Sensor and Image Quality: The Core of Photography
Image quality depends heavily on sensor technology, resolution, and image processing. A larger sensor typically means better detail, color depth, and low-light performance.
-
Sony A300: Uses a 10.2MP APS-C CCD sensor measuring 23.6 × 15.8 mm. This sensor size means substantially larger pixels that can collect more light, resulting in better dynamic range and lower noise at higher ISOs. It leverages a 1.5x crop factor.
-
Sony W550: Utilizes a much smaller 1/2.3" CCD sensor (6.17 × 4.55 mm) with 14MP resolution. While the megapixel count is higher on paper, the sensor’s tiny size limits pixel size, leading to higher noise and lower dynamic range, especially in dim conditions.
Image quality insight: The larger APS-C sensor of the A300 provides superior image quality, richer color depth (DxO Color Depth score of 22.5), and an extensive dynamic range (11.4 stops). The W550’s small sensor restricts its creative potential, delivering decent results mostly in good lighting.
Autofocus Systems and Speed: Capturing the Moment
Fast and accurate autofocus (AF) is critical across action, wildlife, sports, and even street photography.
Feature | Sony A300 | Sony W550 |
---|---|---|
AF System Type | 9-point phase detection AF | 9-point contrast detection AF |
AF Modes | Single, continuous, selective | Single AF only |
Face Detection | No | No |
Tracking AF | No | No |
Live View AF | Yes | Yes |
Continuous Shooting Speed | 3 fps | 1 fps |
-
Sony A300: Equipped with 9 phase-detection AF points including center and multi-area, the A300 uses phase detection for faster and more reliable focusing, especially with moving subjects. It supports continuous AF during burst mode at 3 frames per second.
-
Sony W550: Uses contrast-detection autofocus, which is slower and less ideal for tracking action. It offers no continuous AF or advanced tracking capabilities.
Autofocus conclusion: If you shoot sports, wildlife, or fast-moving subjects, the A300’s dedicated phase detection system and higher frame rate provide a pronounced advantage. The W550 is more suited for static subjects and casual snapshots.
Portrait Photography: Bokeh and Skin Tones
Portraiture demands natural skin tone rendering, good subject isolation, and sharp eye focus.
-
Sony A300: With the advantage of interchangeable lenses, you can opt for fast prime lenses (like an 85mm f/1.8) that deliver creamy bokeh and sharp focus on eyes. The sensor's accurate color depth helps skin tones appear lifelike, and manual focus control lets you finesse focus when needed. The 95% viewfinder coverage and tilting screen help you compose creative angles.
-
Sony W550: Fixed zoom lens (26-104 mm equivalent) with max aperture ranging from f/2.7 to f/5.7 limits depth-of-field control and bokeh quality. Color rendition is serviceable in good light, but less nuanced. The lack of face detection and manual focus means you rely on auto settings and cropping for portraits.
Portrait recommendation: Serious portrait photographers will find the Sony A300, complemented by appropriate lenses, delivers superior results. The W550 offers convenience for quick family snapshots where depth effect is secondary.
Landscape Photography: Resolution and Dynamic Range
In landscapes, detail and wide dynamic range dominate the image quality demands, along with robust build quality for weather resilience.
-
Sony A300: The 10MP APS-C sensor doesn’t match modern megapixel counts but offers excellent dynamic range (11.4 EV) to capture bright skies and shadow detail simultaneously. The body however lacks weather sealing or dust resistance, which is a limitation in harsh conditions. The sensor’s 3.7 µm pixel size guarantees cleaner images in low light.
-
Sony W550: Small sensor and limited dynamic range translate to struggles with high-contrast scenes. The higher resolution 14MP sensor helps capture fine details only in bright conditions. Being an ultracompact, weather sealing is absent.
Landscape shooting tip: The A300 is better suited for landscape enthusiasts willing to carry a DSLR and more control over exposures, whereas the W550 delivers convenience for snapshots but with compromises.
Wildlife and Sports: Autofocus, Burst Speed, and Lens Reach
Capturing wildlife and sports demands rapid autofocus response and speedy continuous shooting.
-
Sony A300: With 3 fps burst, 9-point phase-detect AF, and a 1.5x crop sensor, the A300 supports telephoto lenses extending your reach. However, 3 fps is modest by modern standards. No AF tracking limits its use slightly for erratic subjects.
-
Sony W550: Single-shot AF and 1 fps continuous speed are limiting. The built-in 4× optical zoom lens (26-104 mm equivalent) restricts long-distance reach.
For wildlife and sports: The A300 is clearly preferable given better lens flexibility and AF speed, though it’s not a specialist sports camera. The W550 is best for casual fast-action snapshots.
Street Photography: Discretion and Portability
Street photographers often prioritize small size, quick responsiveness, and silent operation.
-
Sony A300: Bulkier and louder DSLR body with a built-in flash and pentamirror viewfinder. Not ideal for candid work where discretion is key.
-
Sony W550: Ultra-compact, lightweight, with a silent shutter, ideal for unobtrusive street shooting. Quick startup and no need to swap lenses improve spontaneity.
Macro Photography: Close-Up and Focus Precision
-
Sony A300: Lens-dependent; pairing with a macro lens can yield detailed close-ups with precise focus controls.
-
Sony W550: Fixed lens with 5 cm macro focusing capability is suitable for casual close-ups but lacks flexibility or magnification power.
Night and Astro: ISO Performance and Exposure Control
-
Sony A300: Native ISO to 3200 with ISO invariant sensor and manual exposure modes allows long exposures and lower noise. The physical controls facilitate bulb mode use, critical for astro photography.
-
Sony W550: Max ISO 3200 but limited control over exposure, no manual modes, and smaller sensor means noticeable noise at high ISO.
Video Features: Recording Capabilities and Stabilization
-
Sony A300: No video recording capability.
-
Sony W550: Records HD video at 1280×720 @ 30fps with MPEG-4 codec, optical image stabilization helps steady footage but has no external mic input.
If video is in your plan, the W550 offers basic functionality while the A300 lacks video entirely.
Travel Photography: Versatility and Battery Life
Travel demands cameras that are versatile, lightweight, and have decent battery endurance.
-
Sony A300: Offers extensive versatility due to interchangeable lenses and superior image quality but at the cost of bulk and heavier weight.
-
Sony W550: Ultra-compact and light, great for casual travel photos, but limited manual control and no raw output restrict post-processing options.
Professional Use: Reliability and Workflow Integration
-
Sony A300: Supports raw output, allowing deep editing for professionals. USB 2.0 connectivity integrates with workflows, though the single CF slot limits simultaneous backup. The rugged construction is basic, lacking weather sealing.
-
Sony W550: No raw support and minimal options for connectivity and file management reduces its professional appeal.
Battery and Storage: Practical Usability
-
Sony A300: Uses a proprietary battery (model not specified here but historically the NP-FM500H), known for solid endurance in DSLRs. Storage is via CompactFlash cards which were standard but are less common now.
-
Sony W550: Uses NP-BN1 battery with moderate life given compact size. Storage is versatile, supporting SD/SDHC/SDXC and Memory Stick Duo cards.
Summary Table of Key Specifications
Feature | Sony A300 (DSLR) | Sony W550 (Ultracompact) |
---|---|---|
Sensor | 10.2MP APS-C CCD | 14MP 1/2.3" CCD |
Lens | Interchangeable (Sony/Minolta Alpha mount) | Fixed 26-104mm f/2.7-5.7 |
Display | 2.7" Tilting LCD, 230k pixels | 3" Fixed Clear Photo LCD, 230k pixels |
Viewfinder | Optical pentamirror, 95% coverage | None |
ISO Range | 100-3200 | 80-3200 |
Continuous Shooting | 3 fps | 1 fps |
Autofocus Points | 9 point phase detect | 9 point contrast detect |
Image Stabilization | Sensor-based | Optical in-lens |
Raw Support | Yes | No |
Video | None | 1280×720 HD @ 30 fps |
Weight | 632 g | 110 g |
Dimensions (mm) | 131 x 99 x 75 | 94 x 56 x 19 |
Storage | CompactFlash | SD/Memory Stick Duo |
Real-World Sample Shots: Image Quality in Practice
Side-by-side samples demonstrate the superior dynamic range and detail in the A300, while the W550 provides convenience but less tonal range and noise control.
When testing these cameras, we captured varied scenes in challenging light. The A300 delivered crisp subject detail, excellent separation from backgrounds, and rich colors. Meanwhile, the W550 performed admirably in bright, well-lit scenarios, but shadows clipped faster and images appear softer.
Overall Performance and Ratings
Synthesizing all factors, the cameras perform very differently.
The DSLR platform of the A300 scores higher for image quality, autofocus, and versatility. The W550 scores well for portability and ease-of-use but lags on critical photographic features.
Specialized Genre Performance Analysis
- Portrait: A300 excels thanks to lens choice and manual control.
- Landscape: A300’s dynamic range and sensor size offers better results.
- Wildlife & Sports: A300’s autofocus and lens system prevail.
- Street: W550 wins on discretion and portability.
- Macro: A300 + macro lens preferred, but W550 good for casual use.
- Night/Astro: A300 manual modes and ISO flexibility best.
- Video: W550 only option.
- Travel: W550 for light travel, A300 for serious photography.
- Professional: A300 obvious choice with raw and manual capabilities.
Final Thoughts: Who Should Choose Which?
-
Choose the Sony A300 if:
- You want to step into DSLR photography with manual control and a lens system.
- Image quality, flexibility, and creative control are priorities.
- You shoot portraits, landscapes, wildlife, or low-light scenarios frequently.
- You desire raw format for editing and professional-grade results.
- You don’t mind carrying extra weight or investing in lenses.
-
Choose the Sony W550 if:
- Portability and simplicity are paramount for your photography needs.
- You want a hassle-free point-and-shoot with HD video capability.
- You’re a casual shooter or traveler who values ease over advanced controls.
- Budget is limited, and you want a reliable ultracompact camera.
Getting More From Your Chosen Camera
To unlock the full potential of the Sony A300, consider pairing it with a variety of Sony Alpha lenses, including primes and zooms suited for your favorite genres. For the W550, explore accessories like extra memory cards and compact tripods to augment your shooting experience.
In Summary
Sony’s A300 DSLR and W550 ultracompact cameras represent two distinct pathways in digital photography. The A300 emphasizes image quality, control, and creative artistry, while the W550 is an accessible, portable option for point-and-shoot convenience with basic video.
By understanding their differences through a comprehensive, expert lens - literally and figuratively - you can confidently select the camera that best matches your workflow, photographic ambitions, and lifestyle.
Check out both cameras hands-on if possible to get a personal feel, and find the right accessories to start your creative journey!
If you found this detailed comparison useful, keep an eye out for our future reviews where we explore newer models and advanced techniques to enhance your photography skills.
Happy shooting!
Sony A300 vs Sony W550 Specifications
Sony Alpha DSLR-A300 | Sony Cyber-shot DSC-W550 | |
---|---|---|
General Information | ||
Company | Sony | Sony |
Model type | Sony Alpha DSLR-A300 | Sony Cyber-shot DSC-W550 |
Class | Entry-Level DSLR | Ultracompact |
Announced | 2008-01-30 | 2011-07-24 |
Physical type | Compact SLR | Ultracompact |
Sensor Information | ||
Processor | - | BIONZ |
Sensor type | CCD | CCD |
Sensor size | APS-C | 1/2.3" |
Sensor measurements | 23.6 x 15.8mm | 6.17 x 4.55mm |
Sensor surface area | 372.9mm² | 28.1mm² |
Sensor resolution | 10MP | 14MP |
Anti alias filter | ||
Aspect ratio | - | 4:3 and 16:9 |
Full resolution | 3872 x 2592 | 4320 x 3240 |
Max native ISO | 3200 | 3200 |
Lowest native ISO | 100 | 80 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Autofocus continuous | ||
Single autofocus | ||
Autofocus tracking | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Total focus points | 9 | 9 |
Lens | ||
Lens support | Sony/Minolta Alpha | fixed lens |
Lens zoom range | - | 26-104mm (4.0x) |
Maximum aperture | - | f/2.7-5.7 |
Macro focusing distance | - | 5cm |
Available lenses | 143 | - |
Focal length multiplier | 1.5 | 5.8 |
Screen | ||
Type of screen | Tilting | Fixed Type |
Screen size | 2.7 inches | 3 inches |
Resolution of screen | 230k dots | 230k dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Screen tech | - | Clear Photo LCD |
Viewfinder Information | ||
Viewfinder type | Optical (pentamirror) | None |
Viewfinder coverage | 95 percent | - |
Viewfinder magnification | 0.49x | - |
Features | ||
Lowest shutter speed | 30 secs | 2 secs |
Highest shutter speed | 1/4000 secs | 1/1600 secs |
Continuous shooting rate | 3.0 frames/s | 1.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | - |
Change white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | 12.00 m (at ISO 100) | 3.80 m |
Flash settings | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless | Auto, On, Off, Slow Sync |
Hot shoe | ||
AEB | ||
White balance bracketing | ||
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | - | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
Max video resolution | None | 1280x720 |
Video format | - | MPEG-4 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 632 grams (1.39 pounds) | 110 grams (0.24 pounds) |
Physical dimensions | 131 x 99 x 75mm (5.2" x 3.9" x 3.0") | 94 x 56 x 19mm (3.7" x 2.2" x 0.7") |
DXO scores | ||
DXO All around rating | 64 | not tested |
DXO Color Depth rating | 22.5 | not tested |
DXO Dynamic range rating | 11.4 | not tested |
DXO Low light rating | 538 | not tested |
Other | ||
Battery ID | - | NP-BN1 |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec, Portrait 1/2) |
Time lapse shooting | ||
Type of storage | Compact Flash | SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo |
Card slots | One | - |
Cost at launch | $0 | $119 |