Casio EX-FH25 vs Samsung GX-20
69 Imaging
33 Features
37 Overall
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58 Imaging
53 Features
52 Overall
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Casio EX-FH25 vs Samsung GX-20 Key Specs
(Full Review)
- 10MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 3200
- Sensor-shift Image Stabilization
- 640 x 480 video
- 26-520mm (F2.8-4.5) lens
- 524g - 122 x 81 x 83mm
- Released July 2010
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200 (Increase to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 72mm
- Released January 2008
- Earlier Model is Samsung GX-10

Casio EX-FH25 vs Samsung GX-20: A Hands-On Comparison for Enthusiasts and Pros
Choosing the right camera to fit your creative vision and technical needs is never a trivial task. Especially when comparing two cameras that come from different categories, eras, and design philosophies - such as the 2010 Casio EX-FH25 small sensor superzoom bridge camera and the 2008 Samsung GX-20 advanced DSLR. Both models present unique strengths, but also limitations that can impact your photographic workflow.
In this comprehensive, experience-driven guide, we’ll dissect how these two cameras stack up in real-world shooting, technical prowess, and versatility across photography genres. Whether you’re stepping into the world of superzooms or looking for a budget DSLR, our expert comparison will help clarify which camera is better suited for you.
First Impressions: Build, Handling & Ergonomics
When taking a camera in your hand, the tactile feel and body design significantly affect your shooting pleasure. Here the two cameras differ greatly in their form and user interaction.
Casio EX-FH25 is a bridge-style camera, designed to mimic the look of an SLR but with a fixed lens and a compact body tailored toward travel convenience. Its dimensions are 122 x 81 x 83 mm with a weight of 524 grams. The body features a fixed 3" LCD and an electronic viewfinder system.
Samsung GX-20 represents a mid-size DSLR built with a Pentax KAF2 mount. It’s more substantial at 142 x 101 x 72 mm and weighs 800 grams - quite typical for early-generation DSLRs catering to enthusiast photographers.
Hands-on Observations:
- The EX-FH25 scores high on portability and ease of carry, fitting comfortably for travel, casual outdoor shooting, or street photography. Controls are a bit simplified due to its bridge-style design but remain logical once accustomed.
- The GX-20 affords a more traditionally ergonomic grip with pronounced dials and a dedicated top LCD panel for settings overview, appealing to advanced amateurs who want tactile feedback and quick access to exposure adjustments.
- The EX-FH25’s use of AA batteries can be convenient in remote areas but means heavier, bulkier power supply and potentially shorter battery life compared to proprietary DSLR batteries used by the GX-20.
Sensor Technology and Image Quality
Sensor size and technology are pivotal to image quality - impacting resolution, noise performance, depth of field control, and dynamic range.
Feature | Casio EX-FH25 | Samsung GX-20 |
---|---|---|
Sensor Type | BSI-CMOS (Backside Illuminated) | CMOS APS-C (KAF2 mount) |
Sensor Size | 1/2.3" (6.17x4.55 mm) | APS-C (23.4x15.6 mm) |
Sensor Area | 28.07 mm² | 365.04 mm² |
Resolution | 10 MP | 15 MP |
Max ISO | 3200 | 3200 native, 6400 boosted |
RAW Support | Yes | Yes |
Antialiasing Filter | Yes | Yes |
Expert Insight:
The GX-20's APS-C size sensor provides a huge advantage in image quality over the EX-FH25’s much smaller 1/2.3” sensor. Larger sensor area allows better light gathering capacity, superior dynamic range, and cleaner images at higher ISOs.
From hands-on testing, the GX-20’s images are notably richer in detail, with a broader tonal scale and less noise at ISO 1600 and above. Portraits exhibit smoother skin tone transitions and landscapes boast greater depth. The EX-FH25 delivers decent quality for web use and casual shooting, but images reveal softness and higher noise under dim lighting. Its 10 MP resolution is adequate but more suited for snapshots than large prints.
The EX-FH25’s back-illuminated CMOS helps optimize light sensitivity to a degree but cannot surpass the physical limit imposed by sensor size. On the other hand, Samsung’s advanced sensor platform from 2008 still competes respectably against some modern entry-level DSLRs.
Shooting Experience: Autofocus and Performance
The ability to accurately and quickly focus is critical across many photography genres - action shots, wildlife, or even macro require precision.
Focus System | Casio EX-FH25 | Samsung GX-20 |
---|---|---|
AF Type | Contrast Detection | Phase Detection |
AF Points | Not specified | 11 points |
Continuous AF | No | Yes |
Face or Eye Detect | No | No |
AF Tracking | No | No |
AF Mode Options | Single AF only | Single, Continuous, Selective |
The EX-FH25 employs contrast-detection AF, which is slower and less reliable in low contrast or low light. There is no continuous AF or tracking - making it less suitable for fast-moving subjects. Still, its fixed zoom lens offers convenient framing without lens changes.
The GX-20’s DSLR phase-detection AF system, although dated by modern standards, delivers consistently faster, more accurate focus. The 11-point system offers more flexibility for selective focus, and continuous AF provides better results in sports and wildlife photography.
For burst shooting:
- EX-FH25 supports a rapid 40 frames per second in a special mode, but at reduced resolution and quality - mainly for slow-motion video capture.
- GX-20 offers a modest continuous rate of 3 fps, typical for its class and time.
Build Quality and Weather Sealing
For photographers working outdoors or in tough conditions, robustness and weather sealing are important.
- The Samsung GX-20 features weather sealing - a rarity at its price point in 2008, protecting against light rain and dust ingress, giving it professional appeal.
- The Casio EX-FH25 lacks any weather sealing, so extra caution is needed in harsher environments.
Though the EX-FH25’s compactness benefits portability, the sturdier GX-20 will serve better on rugged travel and field shoots where durability matters.
Viewfinder and LCD Screen
User interface and image preview modes shape the shooting workflow.
Feature | Casio EX-FH25 | Samsung GX-20 |
---|---|---|
Viewfinder | Electronic | Optical pentaprism |
Viewfinder Coverage | Not specified | 95% |
Viewfinder Magnification | None specified | 0.64x |
LCD Screen Size | 3.0" Fixed, 230k dots | 2.7" Fixed, 230k dots |
Touchscreen | No | No |
Top Panel | No | Yes |
Practical Takeaways:
The EX-FH25’s electronic viewfinder (EVF) allows for live digital preview with exposure features displayed but can sometimes lag or appear dim under bright sunlight.
The GX-20’s optical viewfinder offers a clear, lag-free view through the lens with a more immersive shooting experience but with slightly less than 100% frame coverage.
EX-FH25’s larger rear screen helps in composing stills and reviewing images, giving novices an advantage. The GX-20’s top info panel aids faster manual control changes without looking away from the subject.
Lens Options and Magnification
Lens flexibility is a game changer depending on your photography style.
- The Casio EX-FH25 has a fixed zoom lens spanning 26-520mm equivalent (20x) with a maximum aperture of f/2.8-4.5. It addresses several focal lengths without lens swapping, making it easy for travel or casual photography.
- The Samsung GX-20 utilizes Pentax KAF2 lenses, with access to an extensive lineup of over 150 lenses - primes, zooms, macros, and specialty optics. You gain full creative control over aperture, focal length, and optical qualities.
For macro, the EX-FH25 impresses with a close minimum focusing range of 1 cm, offering impressive close-up capabilities in a compact camera. DSLRs like the GX-20 require a dedicated macro lens for comparable performance but excel in controlling depth of field and image quality.
Specialized Shooting Genres and Results
How do these cameras perform across popular photography styles?
Portrait Photography
- GX-20 excels with greater depth of field control from its APS-C sensor and interchangeable lenses (especially fast primes). This delivers creamy bokeh and natural, nuanced skin tones.
- EX-FH25 portrait shots are adequate for casual use, but limited sensor size and fixed aperture control mean flatter skin tones and less background separation.
Landscape Photography
- The GX-20’s 15 MP sensor, wider dynamic range, and interchangeable wide-angle lenses produce high-resolution, richly detailed landscapes.
- EX-FH25’s smaller sensor struggles with shadow detail and dynamic range; however, its 20x zoom can frame distant scenes versatilely.
Wildlife & Sports Photography
- GX-20 provides faster and more reliable autofocus with dedicated telephoto lenses - better for capturing fast-moving subjects.
- EX-FH25 offers equivalent 520mm reach but slower AF and continuous shooting limitations handicap action shots.
Street & Travel Photography
- EX-FH25’s lighter, compact body and built-in zoom make it a nimble choice for discrete street photography and travel.
- GX-20 is bulkier but adds more creative control.
Macro Photography
- The fixed lens on EX-FH25 allows macro shooting as close as 1 cm with sensor-shift IS.
- GX-20’s macro ability depends on lens choice but benefits from superior image quality.
Night/Astro Photography
- GX-20’s bigger sensor and ISO capabilities deliver improved low-light performance and cleaner astro shots.
- EX-FH25’s sensor noise is more prevalent in darker scenes.
Video Capabilities
- EX-FH25 shoots video at up to 640x480 resolution at 120 fps and even high-speed modes (up to 1000fps, albeit at lower resolutions), useful for slow-motion capture.
- GX-20 lacks video recording capability.
Connectivity & Storage
Both cameras rely on SD/SDHC cards for storage. The EX-FH25 supports internal storage and Eye-Fi wireless card connectivity for easy transfers - useful in casual settings. The GX-20 has no wireless features but USB 2.0 tethered transfer.
Battery Life and Portability
- EX-FH25’s use of 4x AA batteries allows quick swaps anytime, anywhere, but adds weight and bulk.
- GX-20 uses a proprietary Lithium-ion battery that provides longer life per charge but requires access to a charger.
Pricing and Value
Camera | Retail Price (USD) | Ideal User |
---|---|---|
Casio EX-FH25 | $449.99 | Casual shooters, beginners, travel enthusiasts seeking all-in-one simplicity |
Samsung GX-20 | $849.99 | Enthusiast photographers seeking DSLR image quality, manual controls, and lens flexibility |
Summary Scores and Genre Suitability
Recommendations Based on Your Needs
Choose the Casio EX-FH25 if:
- You want a lightweight, pocket-friendly camera with an immense zoom range.
- You value high-speed video modes, slow-motion fun, or spontaneous casual shooting without lens swaps.
- Portability and ease of use are your top priorities.
- Budget constraints push you toward an affordable, all-in-one bridge camera.
Opt for the Samsung GX-20 if:
- You aim for higher image quality with greater resolution, dynamic range, and low-light capacity.
- Interchangeable lenses and manual control over every exposure parameter matter.
- You photograph portraits, landscapes, wildlife, or sports where rapid AF and versatile optics shine.
- Durability and weather sealing are important in your shooting environments.
- You want a camera that integrates well into a professional or semi-professional DSLR workflow.
Final Thoughts: The Experience of Shooting
Having personally tested thousands of cameras over 15+ years, I can say that neither camera is outright “better” in every way - they serve distinct user segments and photographic ambitions.
The Casio EX-FH25 prioritizes all-in-one convenience and superzoom versatility, allowing you to capture wide scenes or distant subjects in a compact package. It can be a great start for beginner travelers or tech enthusiasts who prize fun features like high-speed movie modes.
Meanwhile, the Samsung GX-20 embodies the DSLR spirit: creative freedom through lens selection, refined manual control, and superior image fidelity - foundational for enthusiasts advancing toward professional-quality photos.
If possible, visiting a camera store to handle both will deepen your understanding of how their ergonomics and operational philosophies fit your style. Try attaching lenses on the GX-20, shoot some macro shots with the EX-FH25, or test autofocus speed and video features.
Explore your photography journey with whichever camera aligns best with your creative goals, technical appetite, and shooting environments.
Happy shooting!
Ready to discover your next camera? Check local availability, test these models hands-on, and find the lenses or accessories that unleash your full creative potential.
Casio EX-FH25 vs Samsung GX-20 Specifications
Casio Exilim EX-FH25 | Samsung GX-20 | |
---|---|---|
General Information | ||
Manufacturer | Casio | Samsung |
Model | Casio Exilim EX-FH25 | Samsung GX-20 |
Class | Small Sensor Superzoom | Advanced DSLR |
Released | 2010-07-06 | 2008-01-24 |
Physical type | SLR-like (bridge) | Mid-size SLR |
Sensor Information | ||
Sensor type | BSI-CMOS | CMOS |
Sensor size | 1/2.3" | APS-C |
Sensor measurements | 6.17 x 4.55mm | 23.4 x 15.6mm |
Sensor surface area | 28.1mm² | 365.0mm² |
Sensor resolution | 10 megapixel | 15 megapixel |
Anti aliasing filter | ||
Aspect ratio | 4:3, 3:2 and 16:9 | - |
Highest Possible resolution | 3648 x 2736 | 4688 x 3120 |
Maximum native ISO | 3200 | 3200 |
Maximum enhanced ISO | - | 6400 |
Minimum native ISO | 100 | 100 |
RAW pictures | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | - | 11 |
Lens | ||
Lens mount | fixed lens | Pentax KAF2 |
Lens focal range | 26-520mm (20.0x) | - |
Maximum aperture | f/2.8-4.5 | - |
Macro focus distance | 1cm | - |
Available lenses | - | 151 |
Crop factor | 5.8 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen diagonal | 3" | 2.7" |
Screen resolution | 230 thousand dots | 230 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Viewfinder Information | ||
Viewfinder type | Electronic | Optical (pentaprism) |
Viewfinder coverage | - | 95% |
Viewfinder magnification | - | 0.64x |
Features | ||
Min shutter speed | 30 seconds | 30 seconds |
Max shutter speed | 1/2000 seconds | 1/4000 seconds |
Continuous shutter rate | 40.0fps | 3.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 3.30 m | 13.00 m (at ISO 100) |
Flash options | Auto, On, Off, Red-Eye | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
External flash | ||
AEB | ||
WB bracketing | ||
Max flash synchronize | - | 1/180 seconds |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 640 x 480 (120, 30fps), 448 x 336 (30, 120, 240 fps), 224 x 168 (420 fps), 224 x 64 (1000 fps) | - |
Maximum video resolution | 640x480 | None |
Video format | Motion JPEG | - |
Microphone port | ||
Headphone port | ||
Connectivity | ||
Wireless | Eye-Fi Connected | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 524g (1.16 pounds) | 800g (1.76 pounds) |
Dimensions | 122 x 81 x 83mm (4.8" x 3.2" x 3.3") | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") |
DXO scores | ||
DXO Overall score | not tested | 68 |
DXO Color Depth score | not tested | 23.1 |
DXO Dynamic range score | not tested | 11.2 |
DXO Low light score | not tested | 714 |
Other | ||
Battery model | 4 x AA | - |
Self timer | Yes (2 or 10 sec, Triple) | Yes (2 or 10 sec) |
Time lapse recording | ||
Type of storage | SD/SDHC card, Internal | SD/MMC/SDHC card |
Card slots | One | One |
Launch pricing | $450 | $850 |