Pentax K-3 II vs Sony S2100
59 Imaging
65 Features
84 Overall
72
93 Imaging
34 Features
17 Overall
27
Pentax K-3 II vs Sony S2100 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Announced April 2015
- Superseded the Pentax K-3
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 3200
- 640 x 480 video
- 33-105mm (F3.1-5.6) lens
- 167g - 98 x 61 x 27mm
- Released January 2010
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Below is a comprehensive overview of the Pentax K-3 II versus Sony S2100, former being a Advanced DSLR while the latter is a Small Sensor Compact by manufacturers Pentax and Sony. There is a substantial difference between the resolutions of the K-3 II (24MP) and S2100 (12MP) and the K-3 II (APS-C) and S2100 (1/2.3") provide different sensor size.
Snapchat Adds Watermarks to AI-Created ImagesThe K-3 II was released 5 years later than the S2100 and that is quite a big difference as far as tech is concerned. Each of the cameras have different body design with the Pentax K-3 II being a Mid-size SLR camera and the Sony S2100 being a Compact camera.
Before going right into a detailed comparison, here is a brief overview of how the K-3 II scores vs the S2100 with respect to portability, imaging, features and an overall grade.
Photography Glossary Pentax K-3 II vs Sony S2100 Gallery
Below is a preview of the gallery photos for Pentax K-3 II & Sony Cyber-shot DSC-S2100. The complete galleries are viewable at Pentax K-3 II Gallery & Sony S2100 Gallery.
Reasons to pick Pentax K-3 II over the Sony S2100
| K-3 II | S2100 | |||
|---|---|---|---|---|
| Released | April 2015 | January 2010 | More recent by 65 months | |
| Focus manually | More accurate focusing | |||
| Screen dimensions | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 1037k | 230k | Clearer screen (+807k dot) |
Reasons to pick Sony S2100 over the Pentax K-3 II
| S2100 | K-3 II |
|---|
Common features in the Pentax K-3 II and Sony S2100
| K-3 II | S2100 | |||
|---|---|---|---|---|
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Neither provides selfie screen | |||
| Touch friendly screen | Lacking Touch friendly screen |
Pentax K-3 II vs Sony S2100 Physical Comparison
For anyone who is planning to lug around your camera frequently, you'll need to think about its weight and measurements. The Pentax K-3 II provides outside measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) while the Sony S2100 has proportions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") with a weight of 167 grams (0.37 lbs).
Examine the Pentax K-3 II versus Sony S2100 in our brand new Camera plus Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will change depending on the lens you have attached during that time. Underneath is a front view scale comparison of the K-3 II vs the S2100.

Factoring in size and weight, the portability grade of the K-3 II and S2100 is 59 and 93 respectively.
Pentax K-3 II vs Sony S2100 Sensor Comparison
Usually, its tough to imagine the difference between sensor measurements purely by checking a spec sheet. The visual underneath will help provide you a greater sense of the sensor measurements in the K-3 II and S2100.
Clearly, both of those cameras have different resolutions and different sensor measurements. The K-3 II because of its bigger sensor is going to make shooting shallower DOF simpler and the Pentax K-3 II will give you extra detail as a result of its extra 12 Megapixels. Higher resolution can also allow you to crop pictures a bit more aggressively. The more recent K-3 II provides a benefit when it comes to sensor tech.
Pentax K-3 II vs Sony S2100 Screen and ViewFinder
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Pentax K-3 II vs Sony S2100 Specifications
| Pentax K-3 II | Sony Cyber-shot DSC-S2100 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Sony |
| Model | Pentax K-3 II | Sony Cyber-shot DSC-S2100 |
| Category | Advanced DSLR | Small Sensor Compact |
| Announced | 2015-04-23 | 2010-01-07 |
| Body design | Mid-size SLR | Compact |
| Sensor Information | ||
| Chip | Prime III | Bionz |
| Sensor type | CMOS | CCD |
| Sensor size | APS-C | 1/2.3" |
| Sensor dimensions | 23.5 x 15.6mm | 6.17 x 4.55mm |
| Sensor area | 366.6mm² | 28.1mm² |
| Sensor resolution | 24 megapixel | 12 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 4:3, 3:2 and 16:9 |
| Highest Possible resolution | 6016 x 4000 | 4000 x 3000 |
| Maximum native ISO | 51200 | 3200 |
| Lowest native ISO | 100 | 100 |
| RAW files | ||
| Autofocusing | ||
| Manual focus | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | 27 | 9 |
| Cross focus points | 25 | - |
| Lens | ||
| Lens mounting type | Pentax KAF2 | fixed lens |
| Lens focal range | - | 33-105mm (3.2x) |
| Highest aperture | - | f/3.1-5.6 |
| Macro focus range | - | 5cm |
| Amount of lenses | 151 | - |
| Focal length multiplier | 1.5 | 5.8 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen diagonal | 3.2" | 3" |
| Resolution of screen | 1,037 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | None |
| Viewfinder coverage | 100% | - |
| Viewfinder magnification | 0.64x | - |
| Features | ||
| Minimum shutter speed | 30s | 1s |
| Fastest shutter speed | 1/8000s | 1/1200s |
| Continuous shutter speed | 8.3fps | 1.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | - |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | no built-in flash | 3.30 m |
| Flash options | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync (available with dedicated external flash) | Auto, On, Off, Slow syncro |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash sync | 1/180s | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Maximum video resolution | 1920x1080 | 640x480 |
| Video data format | MPEG-4, H.264 | Motion JPEG |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Optional | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 800 gr (1.76 lbs) | 167 gr (0.37 lbs) |
| Physical dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 98 x 61 x 27mm (3.9" x 2.4" x 1.1") |
| DXO scores | ||
| DXO Overall score | 80 | not tested |
| DXO Color Depth score | 23.6 | not tested |
| DXO Dynamic range score | 13.6 | not tested |
| DXO Low light score | 1106 | not tested |
| Other | ||
| Battery life | 720 pictures | - |
| Type of battery | Battery Pack | - |
| Battery model | D-LI90 | 2 x AA |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | Dual SD/SDHC/SDXC | Memory Stick Duo/Pro Duo, optional SD, Internal |
| Storage slots | 2 | One |
| Launch pricing | $829 | $0 |