Sigma SD9 vs Sony RX10 IV
54 Imaging
38 Features
27 Overall
33


52 Imaging
53 Features
82 Overall
64
Sigma SD9 vs Sony RX10 IV Key Specs
(Full Review)
- 3MP - APS-C Sensor
- 1.8" Fixed Screen
- ISO 100 - 400
- 1/6000s Max Shutter
- No Video
- Sigma SA Mount
- 950g - 152 x 120 x 79mm
- Released November 2002
- Replacement is Sigma SD10
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Display
- ISO 125 - 12800 (Increase to 25600)
- Optical Image Stabilization
- 3840 x 2160 video
- 24-600mm (F2.4-4.0) lens
- 1095g - 133 x 94 x 145mm
- Introduced September 2017
- Earlier Model is Sony RX10 III

Sigma SD9 vs Sony RX10 IV Overview
In this write-up, we are reviewing the Sigma SD9 vs Sony RX10 IV, one being a Advanced DSLR and the other is a Large Sensor Superzoom by rivals Sigma and Sony. There exists a big gap between the resolutions of the SD9 (3MP) and RX10 IV (20MP) and the SD9 (APS-C) and RX10 IV (1") enjoy different sensor sizes.

The SD9 was introduced 16 years before the RX10 IV and that is quite a big gap as far as technology is concerned. Both of these cameras offer different body type with the Sigma SD9 being a Mid-size SLR camera and the Sony RX10 IV being a SLR-like (bridge) camera.
Before going through a comprehensive comparison, below is a short highlight of how the SD9 grades vs the RX10 IV with respect to portability, imaging, features and an overall grade.

Sigma SD9 vs Sony RX10 IV Gallery
Here is a sample of the gallery pictures for Sigma SD9 and Sony Cyber-shot DSC-RX10 IV. The whole galleries are available at Sigma SD9 Gallery and Sony RX10 IV Gallery.
Reasons to pick Sigma SD9 over the Sony RX10 IV
SD9 | RX10 IV |
---|
Reasons to pick Sony RX10 IV over the Sigma SD9
RX10 IV | SD9 | |||
---|---|---|---|---|
Introduced | September 2017 | ![]() | November 2002 | More recent by 180 months |
Display type | Tilting | ![]() | Fixed | Tilting display |
Display sizing | 3" | ![]() | 1.8" | Larger display (+1.2") |
Display resolution | 1440k | ![]() | 130k | Clearer display (+1310k dot) |
Touch display | ![]() | Easily navigate |
Common features in the Sigma SD9 and Sony RX10 IV
SD9 | RX10 IV | |||
---|---|---|---|---|
Focus manually | ![]() | More exact focus | ||
Selfie screen | ![]() | Neither contains selfie screen |
Sigma SD9 vs Sony RX10 IV Physical Comparison
For those who are looking to lug around your camera, you need to take into account its weight and measurements. The Sigma SD9 has got external measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") with a weight of 950 grams (2.09 lbs) whilst the Sony RX10 IV has proportions of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") and a weight of 1095 grams (2.41 lbs).
Analyze the Sigma SD9 vs Sony RX10 IV in the new Camera with Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached at that time. Below is the front view overall size comparison of the SD9 compared to the RX10 IV.

Factoring in dimensions and weight, the portability rating of the SD9 and RX10 IV is 54 and 52 respectively.

Sigma SD9 vs Sony RX10 IV Sensor Comparison
Normally, it's difficult to visualize the difference between sensor measurements purely by reviewing specifications. The graphic below will provide you a stronger sense of the sensor measurements in the SD9 and RX10 IV.
To sum up, the 2 cameras offer different resolutions and different sensor measurements. The SD9 using its larger sensor is going to make achieving shallower depth of field less difficult and the Sony RX10 IV will offer you greater detail using its extra 17 Megapixels. Greater resolution can also help you crop images a little more aggressively. The older SD9 is going to be behind with regard to sensor technology.

Sigma SD9 vs Sony RX10 IV Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma SD9 vs Sony RX10 IV Specifications
Sigma SD9 | Sony Cyber-shot DSC-RX10 IV | |
---|---|---|
General Information | ||
Make | Sigma | Sony |
Model | Sigma SD9 | Sony Cyber-shot DSC-RX10 IV |
Class | Advanced DSLR | Large Sensor Superzoom |
Released | 2002-11-26 | 2017-09-12 |
Body design | Mid-size SLR | SLR-like (bridge) |
Sensor Information | ||
Powered by | - | Bionz X |
Sensor type | CMOS (Foveon X3) | BSI-CMOS |
Sensor size | APS-C | 1" |
Sensor dimensions | 20.7 x 13.8mm | 13.2 x 8.8mm |
Sensor area | 285.7mm² | 116.2mm² |
Sensor resolution | 3MP | 20MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
Full resolution | 2268 x 1512 | 5472 x 3648 |
Max native ISO | 400 | 12800 |
Max boosted ISO | - | 25600 |
Min native ISO | 100 | 125 |
RAW pictures | ||
Min boosted ISO | - | 64 |
Autofocusing | ||
Manual focus | ||
Touch to focus | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
Selective AF | ||
Center weighted AF | ||
AF multi area | ||
AF live view | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Number of focus points | - | 315 |
Lens | ||
Lens mount | Sigma SA | fixed lens |
Lens focal range | - | 24-600mm (25.0x) |
Maximal aperture | - | f/2.4-4.0 |
Macro focus distance | - | 3cm |
Number of lenses | 76 | - |
Crop factor | 1.7 | 2.7 |
Screen | ||
Range of screen | Fixed Type | Tilting |
Screen diagonal | 1.8 inch | 3 inch |
Resolution of screen | 130 thousand dot | 1,440 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359 thousand dot |
Viewfinder coverage | 98% | 100% |
Viewfinder magnification | 0.77x | 0.7x |
Features | ||
Lowest shutter speed | 30s | 30s |
Highest shutter speed | 1/6000s | 1/2000s |
Highest silent shutter speed | - | 1/32000s |
Continuous shooting speed | - | 24.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Integrated flash | ||
Flash range | no built-in flash | 10.80 m (at Auto ISO) |
Flash options | - | Auto, fill-flash, slow sync, rear sync, off |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Highest flash sync | 1/180s | 1/2000s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | - | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p) |
Max video resolution | None | 3840x2160 |
Video data format | - | MPEG-4, AVCHD, XAVC S |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 1.0 (1.5 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 950 gr (2.09 lb) | 1095 gr (2.41 lb) |
Dimensions | 152 x 120 x 79mm (6.0" x 4.7" x 3.1") | 133 x 94 x 145mm (5.2" x 3.7" x 5.7") |
DXO scores | ||
DXO All around score | not tested | not tested |
DXO Color Depth score | not tested | not tested |
DXO Dynamic range score | not tested | not tested |
DXO Low light score | not tested | not tested |
Other | ||
Battery life | - | 400 shots |
Style of battery | - | Battery Pack |
Battery model | - | NP-FW50 |
Self timer | Yes (10 sec) | Yes (2 or 10 sec, continuous) |
Time lapse recording | ||
Storage media | Compact Flash Type I or II | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Storage slots | Single | Single |
Launch pricing | $3,001 | $1,698 |