Sigma DP1x vs Sony A33
88 Imaging
44 Features
27 Overall
37


67 Imaging
54 Features
80 Overall
64
Sigma DP1x vs Sony A33 Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 100 - 3200
- 320 x 240 video
- 28mm (F4.0) lens
- 250g - 113 x 60 x 50mm
- Launched February 2010
- Succeeded the Sigma DP1s
(Full Review)
- 14MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 12800 (Increase to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Announced August 2010
- Newer Model is Sony A35

Sigma DP1x vs Sony A33 Overview
Here, we will be evaluating the Sigma DP1x versus Sony A33, one being a Large Sensor Compact and the latter is a Entry-Level DSLR by brands Sigma and Sony. There exists a crucial gap among the sensor resolutions of the DP1x (5MP) and A33 (14MP) but both cameras have the identical sensor sizing (APS-C).

The DP1x was unveiled 6 months earlier than the A33 so they are both of a similar generation. Both cameras feature different body design with the Sigma DP1x being a Large Sensor Compact camera and the Sony A33 being a Compact SLR camera.
Before diving right into a thorough comparison, here is a simple overview of how the DP1x matches up versus the A33 with respect to portability, imaging, features and an overall rating.

Sigma DP1x vs Sony A33 Gallery
Following is a preview of the gallery photos for Sigma DP1x and Sony SLT-A33. The full galleries are provided at Sigma DP1x Gallery and Sony A33 Gallery.
Reasons to pick Sigma DP1x over the Sony A33
DP1x | A33 |
---|
Reasons to pick Sony A33 over the Sigma DP1x
A33 | DP1x | |||
---|---|---|---|---|
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Screen size | 3" | ![]() | 2.5" | Bigger screen (+0.5") |
Screen resolution | 921k | ![]() | 230k | Sharper screen (+691k dot) |
Selfie screen | ![]() | Take selfies |
Common features in the Sigma DP1x and Sony A33
DP1x | A33 | |||
---|---|---|---|---|
Announced | February 2010 | ![]() | August 2010 | Same generation |
Focus manually | ![]() | Very exact focus | ||
Touch screen | ![]() | Neither has Touch screen |
Sigma DP1x vs Sony A33 Physical Comparison
When you are aiming to carry your camera, you will need to consider its weight and size. The Sigma DP1x has outside measurements of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") having a weight of 250 grams (0.55 lbs) whilst the Sony A33 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).
Examine the Sigma DP1x versus Sony A33 in the all new Camera with Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose during that time. Underneath is a front view overall size comparison of the DP1x vs the A33.

Taking into account dimensions and weight, the portability score of the DP1x and A33 is 88 and 67 respectively.

Sigma DP1x vs Sony A33 Sensor Comparison
Sometimes, it is very difficult to visualize the difference in sensor sizing purely by looking through technical specs. The visual here will provide you a better sense of the sensor measurements in the DP1x and A33.
As you have seen, both cameras come with the identical sensor size albeit different megapixels. You should count on the Sony A33 to result in extra detail having an extra 9 Megapixels. Higher resolution will also help you crop pictures a good deal more aggressively.

Sigma DP1x vs Sony A33 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma DP1x vs Sony A33 Specifications
Sigma DP1x | Sony SLT-A33 | |
---|---|---|
General Information | ||
Manufacturer | Sigma | Sony |
Model | Sigma DP1x | Sony SLT-A33 |
Type | Large Sensor Compact | Entry-Level DSLR |
Launched | 2010-02-20 | 2010-08-24 |
Physical type | Large Sensor Compact | Compact SLR |
Sensor Information | ||
Processor Chip | True II | Bionz |
Sensor type | CMOS (Foveon X3) | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 20.7 x 13.8mm | 23.5 x 15.6mm |
Sensor area | 285.7mm² | 366.6mm² |
Sensor resolution | 5 megapixels | 14 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Peak resolution | 2640 x 1760 | 4592 x 3056 |
Highest native ISO | 3200 | 12800 |
Highest enhanced ISO | - | 25600 |
Minimum native ISO | 100 | 100 |
RAW images | ||
Autofocusing | ||
Manual focus | ||
Touch to focus | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
Selective AF | ||
Center weighted AF | ||
AF multi area | ||
AF live view | ||
Face detect focusing | ||
Contract detect focusing | ||
Phase detect focusing | ||
Number of focus points | - | 15 |
Cross focus points | - | 3 |
Lens | ||
Lens mounting type | fixed lens | Sony/Minolta Alpha |
Lens focal range | 28mm (1x) | - |
Largest aperture | f/4.0 | - |
Total lenses | - | 143 |
Focal length multiplier | 1.7 | 1.5 |
Screen | ||
Type of display | Fixed Type | Fully Articulated |
Display size | 2.5 inches | 3 inches |
Display resolution | 230 thousand dots | 921 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder type | None | Electronic |
Viewfinder resolution | - | 1,150 thousand dots |
Viewfinder coverage | - | 100% |
Viewfinder magnification | - | 0.73x |
Features | ||
Minimum shutter speed | 30 secs | 30 secs |
Fastest shutter speed | 1/4000 secs | 1/4000 secs |
Continuous shutter rate | - | 7.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Integrated flash | ||
Flash range | - | 10.00 m (@ ISO 100) |
Flash modes | - | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Fastest flash synchronize | - | 1/160 secs |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 320 x 240 | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Highest video resolution | 320x240 | 1920x1080 |
Video file format | - | MPEG-4, AVCHD, H.264 |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 1.0 (1.5 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 250g (0.55 pounds) | 500g (1.10 pounds) |
Physical dimensions | 113 x 60 x 50mm (4.4" x 2.4" x 2.0") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
DXO scores | ||
DXO Overall score | not tested | 70 |
DXO Color Depth score | not tested | 22.8 |
DXO Dynamic range score | not tested | 12.6 |
DXO Low light score | not tested | 591 |
Other | ||
Battery life | - | 340 photos |
Battery type | - | Battery Pack |
Battery model | - | NP-FW50 |
Self timer | Yes (10 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | SD/MMC card | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | 1 | 1 |
Retail price | $574 | $230 |