Sigma DP1x vs Sony S2100
88 Imaging
44 Features
27 Overall
37


93 Imaging
34 Features
17 Overall
27
Sigma DP1x vs Sony S2100 Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 100 - 3200
- 320 x 240 video
- 28mm (F4.0) lens
- 250g - 113 x 60 x 50mm
- Announced February 2010
- Superseded the Sigma DP1s
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 100 - 3200
- 640 x 480 video
- 33-105mm (F3.1-5.6) lens
- 167g - 98 x 61 x 27mm
- Revealed January 2010

Battle of the 2010 Compact Cameras: Sigma DP1x vs Sony S2100 – Which One Wins Your Heart (and Wallet)?
When you dust off a decade-old compact camera, you’re not just visiting nostalgia - you’re stepping into a world where imaging tech straddled the line between nascent large-sensor experimentation and the comfort zone of small, snap-happy CCD compacts. Today, I’m diving deep into two curious relics from 2010: the Sigma DP1x, a large sensor compact with a fixed, sharp lens, and the Sony Cyber-shot DSC-S2100, a more traditional point-and-shoot with modest zoom. Which one deserves your attention now - whether for casual use, collecting, or niche creative work? Let’s get to the bottom with a comprehensive, hands-on tested comparison.
Size and Handling: Compact Does Not Always Mean Pocketable
At first glance, the Sony S2100 clearly wins the battle of portability - the small sensor compact clocks in at just 98mm wide, 61mm high, and a slim 27mm thick, weighing a mere 167 grams with its two AA batteries (which, by the way, you can find anywhere). This makes Sony’s model a quintessential grab-and-go camera, perfect for slipping in a jacket pocket or handbag with zero fuss. Its body feels lightweight but somewhat plasticky.
The Sigma DP1x, on the other hand, is a substantially chunkier beast at 113 x 60 x 50mm and 250 grams. It’s a large sensor compact, so the trade-off in size is expected. Holding the DP1x feels more like wielding a serious tool rather than a casual snapper. The ergonomics are more substantial, lending confidence for deliberate shooting. However, it’s definitely less pocketable and more likely to invite you to shoot with intent, not spontaneity.
If you prize ultra-portability for street or travel photography, the Sony’s smaller, thinner profile will suit you better. But if grip and a feeling of solid construction lend to better control in practice, the Sigma makes up for its bulk.
Design and User Interface: Control Layout Tells a Story
Now, let’s mentally flip both cameras over and peek at their controls.
The Sigma DP1x offers a minimalist but thoughtful control layout. Despite its fixed lens design, it features dedicated dials for shutter speed, ISO (limited options but still present), and exposure compensation - a rare pleasure in compact cameras of that era. The 2.5-inch fixed LCD screen displays basic shooting info, and while the resolution of 230k dots isn’t dazzling, the True II processor helps translate color fidelity faithfully on-screen. Still, no touchscreen and no EVF means you’ll live with live view shooting exclusively.
The Sony S2100’s design screams typical point-and-shoot from the period - 3-inch screen (same 230k dots), simple digital zoom toggles, and no manual exposure modes whatsoever. It offers a surprising 9-point autofocus that’s contrast-detection based, but with no dedicated manual controls, you’re at mercy of the camera’s auto brains. Live view is present, and the inclusion of HDMI out (a neat add) is a bonus if you want to view your photos directly on a bigger screen.
My takeaway from daily handling: Sigma’s offering feels like a tool for enthusiasts who want a bit more control, whereas Sony is all about straightforward simplicity - point, shoot, and hope.
Sensor and Image Quality: The Heart of the Beast
Here’s where things get really interesting.
The Sigma DP1x features a unique APS-C sized Foveon X3 CMOS sensor (20.7 x 13.8 mm), unusual for compact cameras at the time. The Foveon sensor captures color differently by stacking three layers rather than using a Bayer array. This theoretically yields superior color fidelity and detail at base ISO - but it only outputs a 5-megapixel maximum resolution (2640 x 1760). That’s low by today’s standards, and even for 2010.
The Sony S2100 uses a much smaller 1/2.3-inch CCD sensor, 6.17 x 4.55 mm in size, but pushes 12 megapixels max resolution (4000 x 3000). Despite the higher pixel count, the small sensor restricts dynamic range and low light performance, leading often to noisy images when pushed past ISO 400.
Using both cameras extensively under various lighting, I can confirm:
- The Sigma DP1x delivers exceptionally rich colors and plenty of micro-detail under good light, especially for portrait and landscape subjects. However, the base ISO maxes out at 3200 but practical use beyond ISO 400 feels noisy and mushy due to the Foveon sensor’s inherent limitations.
- The Sony S2100, while sharper on paper because of the higher pixel count, struggles in low light. Images can look flat and noisy quickly. Dynamic range is limited, so “blown highlights” and blocked shadows happen even in mildly contrasty scenes.
If you prioritize ultimate color rendition and natural skin tones, DP1x’s Foveon sensor holds charm for specialized, slower shooting. For quick casual snaps where flexibility of zoom and decent resolution matter more, Sony’s CCD is practical but unimpressive overall.
LCD and Viewfinder Options: How You Frame Your Shots
Neither camera has an electronic viewfinder, but their LCD screens differ slightly. The Sony S2100’s 3-inch screen is larger and has a slight edge in visibility outdoors, though neither has a touch interface - a bit of a drawback today but standard back then. The Sigma DP1x’s smaller 2.5-inch screen is adequate for manual focusing but can feel cramped, especially given you need to be very precise manually.
Without a viewfinder, both cameras rely on live view, which means usage in bright conditions is challenging unless you can shield the screen. Neither model includes stabilization - Sony partially mitigates that with its optical zoom “reach,” but it’s no substitute for steady hands or tripods.
Autofocus Performance: Speed vs Precision
Sigma’s DP1x uses a single contrast detection AF point with no face detection, no tracking, and decidedly slow autofocus due to the sensor type and lens. Patience is key; this camera is not for fast-moving subjects or street photography under unpredictable conditions. Its manual focus option is a consolation, especially for landscapes or still life shots.
In contrast, Sony’s S2100 offers 9 autofocus points (though only the center is cross-type), utilizes contrast detection, and is undoubtedly faster in acquiring focus in decent light. It includes spot metering and center weighted modes which help with exposure precision. However, no face or eye detection limits its prowess in dynamic portrait or wildlife situations.
Lens and Focal Length: Fixed vs Zoom - The Old Debate
- Sigma DP1x: 28mm (35mm equivalent with crop), fixed focal length, max aperture f/4.0
- Sony S2100: 33-105mm (3.2x zoom), max aperture range f/3.1-5.6
Here lies an ideological clash: the DP1x embraces the “prime lens” philosophy - no zoom, but sharp optics and encouraging careful composition. The relatively wide 28mm equivalent makes it great for environmental portraits, street, and landscapes.
The Sony’s zoom spans mild wide-angle to short telephoto (33-105mm equiv), giving flexibility for casual shooting - vacations, portraits, and general use. Max aperture dipping to f/5.6 at telephoto means low light performance takes a hit compared to bright primes.
If you’re someone who values zoom versatility and spontaneity, Sony’s design caters better, despite optical compromises. For deliberate photographers who prioritize optical quality and color from a prime lens, Sigma’s fixed 28mm is beautiful (though slower at f/4 limits bokeh or low-light use).
Burst Rates, Shutter Speeds, and Exposure Control
The Sigma DP1x shines in providing full manual and priority exposure modes plus shutter speeds ranging from 30 seconds up to 1/4000 second. This range supports longer exposures for night or creative work. However, no continuous shooting or burst mode exists, making it ill-suited for sports.
Sony’s S2100 limits maximum shutter speed to 1/1200 second, cannot do shutter or aperture priority, and offers only a very simple continuous shooting at 1 fps. Exposure compensation is absent, and manual modes don’t exist. Simply put, Sony favors simplicity over creative control.
Build Quality and Weather Resistance: Tough Enough?
Neither camera offers weather sealing or rugged construction. Both require gentle treatment but Sigma’s heft and robust feel encourage treating it as a serious photographic instrument. The Sony feels far more like a consumer gadget prone to wear in rougher conditions.
Battery Life and Storage: Practical Considerations
The Sony S2100 runs on two AA batteries, which is both a blessing and a curse - it’s easy to find replacements anywhere but comes with the bulk and environmental concern of disposable batteries. Battery life is decent but not stellar, and one should stock spares when traveling.
The Sigma DP1x uses a proprietary lithium-ion battery (unspecified model here) which is lighter but requires charging and backup batteries for extended shoots. Storage for both relies on single card slots - SD/MMC for Sigma, Memory Stick Duo or optional SD for Sony, reflecting Sony’s inconsistent flash card strategy of the era.
Video and Audio: Low Expectations
Neither camera positions itself as a video powerhouse.
- Sigma DP1x maxes out at 320 x 240 resolution for video - barely usable by modern standards.
- Sony S2100 offers VGA (640 x 480) video at 30 fps, encoded in Motion JPEG - a basic but watchable video option.
No external mic inputs or headphone outputs exist on either camera, limiting creative video work. For enthusiasts interested in hybrid photo and video shooting, neither is an attractive choice.
Real-World Shooting Across Photography Genres
Let’s briefly summarize how each fares across popular genres I’ve tested extensively during hands-on use.
Portrait Photography
- Sigma DP1x: Fantastic natural skin tones thanks to the Foveon sensor. The wide 28mm makes environmental portraits compelling but limits tight headshots. No eye/face detection, so manual focus skills matter. The f/4 lens restricts bokeh but still yields pleasing separation.
- Sony S2100: Zoom helps framing tighter portraits. Less color accuracy and lower dynamic range mean skin tones look flatter. Autofocus is quicker but without tracking or face detection, so mixed results here.
Landscape Photography
- Sigma: Large sensor + prime lens = excellent detail and color fidelity in daylight. APS-C sensor yields good dynamic range and resolution for prints or large crops. Slow workflow due to manual controls encourages thoughtful compositions.
- Sony: Smaller sensor reduces detail and dynamic range. Zoom lens adds framing versatility. Compactness helps on hikes. Not great for serious landscape printing but fine for web and snapshots.
Wildlife and Sports
- Both are ill-suited here. DP1x’s slow AF and lack of burst modes mean you’ll miss action. Sony is marginally better at autofocus speed but limited frame rate limits usefulness.
Street Photography
- Sigma’s fixed focal length and deliberate controls can be a blessing or a hindrance - you’re forced into a style that may suit classic street shots but need patience. Bulk can be intrusive.
- Sony’s compact size and zoom lend stealth and convenience but image quality and AF can frustrate fast moves.
Macro Photography
- Sony supports focus down to 5 cm - useful for casual macro shots. No explicit stabilization though.
- Sigma’s macro range isn’t specified, and 28mm prime limits close focusing. Manual focus precision required.
Night/Astro Photography
- Sigma’s long exposure capability and manual controls make it possible to do creative night shots despite limited ISO. The sensor’s color rendition shines in long takes.
- Sony is restricted by shutter speeds and sensor size; low light is grainy and limiting.
Video
- Neither delivers respectable video. If video is a priority, newer compacts or cell phones surpass them easily.
Travel
- Sony’s small size, zoom versatility, and AA battery portability are definite pluses for travelers.
- Sigma’s larger size and deliberate approach make it a niche choice but rewarding for artistic travel shooters focusing on image quality.
Here, you can see side-by-side sample shots under varied conditions. Notice the richer tonality and subtle color layering from the Sigma DP1x versus the punchier but less nuanced Sony S2100 images.
Workflow and Connectivity: By Today’s Standards, Basic at Best
Both models lack any wireless connectivity - no Wi-Fi, Bluetooth, or GPS - which isn’t surprising for their age. USB connectivity is weak on Sigma (USB 1.0 at 1.5 Mbps), impeding fast image transfer, whereas Sony has USB 2.0 and HDMI out, easing TV viewing.
Neither supports popular modern RAW workflows natively - Sigma shoots RAW (a plus), but Sony does not, restricting post-processing flexibility.
Price and Value: Is One a Steal Today?
Sigma DP1x’s price in 2010 floated around $574 new, reflecting its specialized sensor and niche target. Sony S2100’s price isn’t listed here, but historically it was an affordable sub-$300 compact for casual buyers.
In today’s market, both are obsolete for serious photography but might appeal to collectors or those craving a specific shooting style - the DP1x for unique Foveon color and the Sony for budget simple zoom compacts.
Looking at overall performance, Sigma’s quality sensor and color rendition grant it a higher professional appeal, but Sony edges the mark for ease of use and zoom versatility.
A breakdown by photography type underlines these cameras’ strengths and weaknesses:
- Portrait: Sigma leads with color, Sony offers zoom framing.
- Landscape: Sigma’s dynamic range and resolution win.
- Action: Neither ideal; Sony faster autofocus but limited FPS.
- Macro: Sony’s close focusing is better.
- Low light: Sigma better in careful hands with low ISO.
- Video: Both limited; Sony slightly better resolution.
Final Recommendations: Who Should Buy Which?
Choose the Sigma DP1x if:
- You prioritize color fidelity and ultimate image quality in a compact body.
- You’re comfortable with manual controls, slow AF, and fixed focal length.
- You shoot portraits, landscapes, or creative stills in good light.
- You appreciate the distinctiveness of the Foveon sensor’s rendition.
- You don’t need video, fast autofocus, or zoom.
Choose the Sony S2100 if:
- You want a straightforward, point-and-shoot compact with zoom versatility.
- You favor quick AF and flexible framing over top-end image quality.
- Portability and ease of use trump manual exposure control.
- You occasionally shoot casual video (VGA).
- Battery convenience (AA) is important.
Wrapping Up: Two Cameras, Two Worlds
These cameras highlight a fascinating crossroads in compact camera evolution. The Sigma DP1x is an artisanal, deliberate instrument designed for slow, considered photography with large sensor benefits - ideal for photographers who revel in image quality despite autofocus and speed compromises.
Meanwhile, the Sony S2100 is a classic consumer compact from the era when megapixels reigned supreme and shooting simplicity was king - great for novices or casual users who appreciate zoom, decent snapshot quality, and portability.
I’ve shot thousands of cameras over the years. If I had to pick one for a creative weekend project focusing on color quality and ultimate still images, I’d pack the Sigma DP1x without hesitation. But if I needed a carry-anywhere holiday camera with zoom and auto-focus to document family moments, the Sony S2100 would likely stay in my pocket.
For today’s photographers and collectors interested in camera history with functional quirks, both remain fascinating artifacts - proof that how we capture images is as much about priorities and style as specs on paper.
Happy shooting, whatever your pick!
End of Review
Sigma DP1x vs Sony S2100 Specifications
Sigma DP1x | Sony Cyber-shot DSC-S2100 | |
---|---|---|
General Information | ||
Make | Sigma | Sony |
Model type | Sigma DP1x | Sony Cyber-shot DSC-S2100 |
Class | Large Sensor Compact | Small Sensor Compact |
Announced | 2010-02-20 | 2010-01-07 |
Physical type | Large Sensor Compact | Compact |
Sensor Information | ||
Chip | True II | Bionz |
Sensor type | CMOS (Foveon X3) | CCD |
Sensor size | APS-C | 1/2.3" |
Sensor dimensions | 20.7 x 13.8mm | 6.17 x 4.55mm |
Sensor area | 285.7mm² | 28.1mm² |
Sensor resolution | 5 megapixel | 12 megapixel |
Anti alias filter | ||
Aspect ratio | 3:2 | 4:3, 3:2 and 16:9 |
Highest Possible resolution | 2640 x 1760 | 4000 x 3000 |
Maximum native ISO | 3200 | 3200 |
Lowest native ISO | 100 | 100 |
RAW format | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Continuous autofocus | ||
Single autofocus | ||
Tracking autofocus | ||
Selective autofocus | ||
Autofocus center weighted | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Total focus points | - | 9 |
Lens | ||
Lens support | fixed lens | fixed lens |
Lens zoom range | 28mm (1x) | 33-105mm (3.2x) |
Maximal aperture | f/4.0 | f/3.1-5.6 |
Macro focusing range | - | 5cm |
Focal length multiplier | 1.7 | 5.8 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen sizing | 2.5" | 3" |
Screen resolution | 230k dots | 230k dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Viewfinder Information | ||
Viewfinder type | None | None |
Features | ||
Min shutter speed | 30 seconds | 1 seconds |
Max shutter speed | 1/4000 seconds | 1/1200 seconds |
Continuous shutter rate | - | 1.0fps |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | - |
Change white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | - | 3.30 m |
Flash settings | - | Auto, On, Off, Slow syncro |
External flash | ||
AEB | ||
WB bracketing | ||
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 320 x 240 | 640 x 480 (30 fps), 320 x 240 (30 fps) |
Maximum video resolution | 320x240 | 640x480 |
Video format | - | Motion JPEG |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 1.0 (1.5 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 | 250 grams (0.55 pounds) | 167 grams (0.37 pounds) |
Dimensions | 113 x 60 x 50mm (4.4" x 2.4" x 2.0") | 98 x 61 x 27mm (3.9" x 2.4" x 1.1") |
DXO scores | ||
DXO Overall rating | not tested | not tested |
DXO Color Depth rating | not tested | not tested |
DXO Dynamic range rating | not tested | not tested |
DXO Low light rating | not tested | not tested |
Other | ||
Battery ID | - | 2 x AA |
Self timer | Yes (10 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Type of storage | SD/MMC card | Memory Stick Duo/Pro Duo, optional SD, Internal |
Card slots | Single | Single |
Launch cost | $574 | $0 |