Sigma SD15 vs Sony RX100 IV
59 Imaging
43 Features
45 Overall
43
89 Imaging
51 Features
79 Overall
62
Sigma SD15 vs Sony RX100 IV Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 1600 (Bump to 3200)
- No Video
- Sigma SA Mount
- 750g - 144 x 107 x 81mm
- Launched February 2010
- Previous Model is Sigma SD14
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Screen
- ISO 125 - 12800 (Bump to 25600)
- Optical Image Stabilization
- 3840 x 2160 video
- 24-70mm (F1.8-2.8) lens
- 298g - 102 x 58 x 41mm
- Announced June 2015
- Succeeded the Sony RX100 III
- Renewed by Sony RX100 V
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On this page, we will be contrasting the Sigma SD15 versus Sony RX100 IV, former is a Advanced DSLR while the latter is a Large Sensor Compact by companies Sigma and Sony. There exists a considerable gap between the image resolutions of the SD15 (5MP) and RX100 IV (20MP) and the SD15 (APS-C) and RX100 IV (1") posses totally different sensor size.
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe SD15 was brought out 6 years prior to the RX100 IV which is quite a large difference as far as technology is concerned. Both cameras have different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.
Before going right into a full comparison, here is a brief summation of how the SD15 scores against the RX100 IV with respect to portability, imaging, features and an overall mark.
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Below is a preview of the gallery photos for Sigma SD15 & Sony Cyber-shot DSC-RX100 IV. The entire galleries are provided at Sigma SD15 Gallery & Sony RX100 IV Gallery.
Reasons to pick Sigma SD15 over the Sony RX100 IV
| SD15 | RX100 IV |
|---|
Reasons to pick Sony RX100 IV over the Sigma SD15
| RX100 IV | SD15 | |||
|---|---|---|---|---|
| Announced | June 2015 | February 2010 | Newer by 64 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen resolution | 1229k | 460k | Crisper screen (+769k dot) | |
| Selfie screen | Take selfies |
Common features in the Sigma SD15 and Sony RX100 IV
| SD15 | RX100 IV | |||
|---|---|---|---|---|
| Manual focus | Dial accurate focusing | |||
| Screen dimensions | 3" | 3" | Equal screen size | |
| Touch friendly screen | Lacking Touch friendly screen |
Sigma SD15 vs Sony RX100 IV Physical Comparison
For anybody who is aiming to travel with your camera, you have to factor in its weight and dimensions. The Sigma SD15 has got external dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) whilst the Sony RX100 IV has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 298 grams (0.66 lbs).
Check out the Sigma SD15 versus Sony RX100 IV in our newest Camera plus Lens Size Comparison Tool.
Remember, the weight of an ILC will vary based on the lens you are utilizing at that time. Below is a front view physical size comparison of the SD15 versus the RX100 IV.

Factoring in dimensions and weight, the portability rating of the SD15 and RX100 IV is 59 and 89 respectively.
Sigma SD15 vs Sony RX100 IV Sensor Comparison
Normally, it is tough to see the contrast between sensor dimensions only by reviewing specs. The picture here should give you a greater sense of the sensor sizes in the SD15 and RX100 IV.
As you can plainly see, both of the cameras have different megapixel count and different sensor dimensions. The SD15 featuring a bigger sensor will make shooting shallower depth of field easier and the Sony RX100 IV will offer more detail having its extra 15MP. Higher resolution will help you crop pictures a bit more aggressively. The more aged SD15 is going to be behind with regard to sensor tech.
Sigma SD15 vs Sony RX100 IV Screen and ViewFinder
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Sigma SD15 vs Sony RX100 IV Specifications
| Sigma SD15 | Sony Cyber-shot DSC-RX100 IV | |
|---|---|---|
| General Information | ||
| Brand | Sigma | Sony |
| Model | Sigma SD15 | Sony Cyber-shot DSC-RX100 IV |
| Class | Advanced DSLR | Large Sensor Compact |
| Launched | 2010-02-20 | 2015-06-10 |
| Physical type | Mid-size SLR | Large Sensor Compact |
| Sensor Information | ||
| Powered by | True II | 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 surface area | 285.7mm² | 116.2mm² |
| Sensor resolution | 5 megapixel | 20 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
| Highest Possible resolution | 2640 x 1760 | 5472 x 3648 |
| Maximum native ISO | 1600 | 12800 |
| Maximum enhanced ISO | 3200 | 25600 |
| Lowest native ISO | 100 | 125 |
| RAW format | ||
| Lowest enhanced ISO | 50 | 80 |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | - | 25 |
| Lens | ||
| Lens mount | Sigma SA | fixed lens |
| Lens focal range | - | 24-70mm (2.9x) |
| Max aperture | - | f/1.8-2.8 |
| Macro focus distance | - | 5cm |
| Number of lenses | 76 | - |
| Focal length multiplier | 1.7 | 2.7 |
| Screen | ||
| Type of screen | Fixed Type | Tilting |
| Screen size | 3" | 3" |
| Screen resolution | 460k dots | 1,229k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 2,359k dots |
| Viewfinder coverage | 96 percent | 100 percent |
| Viewfinder magnification | 0.6x | 0.59x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/4000 secs | 1/2000 secs |
| Max silent shutter speed | - | 1/32000 secs |
| Continuous shutter rate | 3.0fps | 16.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash synchronize | 1/180 secs | 1/2000 secs |
| 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), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
| Maximum video resolution | None | 3840x2160 |
| Video file format | - | MPEG-4, AVCHD, XAVC S |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 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 | 750 grams (1.65 lb) | 298 grams (0.66 lb) |
| Physical dimensions | 144 x 107 x 81mm (5.7" x 4.2" x 3.2") | 102 x 58 x 41mm (4.0" x 2.3" x 1.6") |
| DXO scores | ||
| DXO Overall score | not tested | 70 |
| DXO Color Depth score | not tested | 22.9 |
| DXO Dynamic range score | not tested | 12.6 |
| DXO Low light score | not tested | 562 |
| Other | ||
| Battery life | - | 280 photos |
| Style of battery | - | Battery Pack |
| Battery model | - | NP-BX1 |
| Self timer | Yes (10 sec) | Yes |
| Time lapse recording | With downloadable app | |
| Storage type | SD/SDHC card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Single | Single |
| Cost at release | $1,500 | $898 |