Pentax K20D vs Sony RX100 II
59 Imaging
53 Features
52 Overall
52
89 Imaging
50 Features
74 Overall
59
Pentax K20D vs Sony RX100 II Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 3200 (Push to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 70mm
- Released June 2008
- Superseded the Pentax K10D
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Screen
- ISO 160 - 12800 (Increase to 25600)
- Optical Image Stabilization
- 1920 x 1080 video
- 28-100mm (F1.8-4.9) lens
- 281g - 102 x 58 x 38mm
- Released June 2013
- Replaced the Sony RX100
- Newer Model is Sony RX100 III
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Let's look closer at the Pentax K20D vs Sony RX100 II, former being a Advanced DSLR while the latter is a Large Sensor Compact by rivals Pentax and Sony. There is a large difference between the sensor resolutions of the K20D (15MP) and RX100 II (20MP) and the K20D (APS-C) and RX100 II (1") feature different sensor dimensions.
Snapchat Adds Watermarks to AI-Created ImagesThe K20D was brought out 6 years earlier than the RX100 II and that is quite a serious difference as far as tech is concerned. Both of these cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Sony RX100 II being a Large Sensor Compact camera.
Before delving through a complete comparison, below is a quick view of how the K20D scores against the RX100 II when it comes to portability, imaging, features and an overall rating.
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Here is a preview of the gallery photos for Pentax K20D & Sony Cyber-shot DSC-RX100 II. The entire galleries are available at Pentax K20D Gallery & Sony RX100 II Gallery.
Reasons to pick Pentax K20D over the Sony RX100 II
| K20D | RX100 II |
|---|
Reasons to pick Sony RX100 II over the Pentax K20D
| RX100 II | K20D | |||
|---|---|---|---|---|
| Released | June 2013 | June 2008 | Fresher by 60 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen dimension | 3" | 2.7" | Bigger screen (+0.3") | |
| Screen resolution | 1229k | 230k | Clearer screen (+999k dot) |
Common features in the Pentax K20D and Sony RX100 II
| K20D | RX100 II | |||
|---|---|---|---|---|
| Manually focus | Very exact focusing | |||
| Selfie screen | No selfie screen | |||
| Touch screen | Neither has Touch screen |
Pentax K20D vs Sony RX100 II Physical Comparison
For those who are looking to carry your camera often, you need to think about its weight and volume. The Pentax K20D has outer measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs) while the Sony RX100 II has sizing of 102mm x 58mm x 38mm (4.0" x 2.3" x 1.5") and a weight of 281 grams (0.62 lbs).
Examine the Pentax K20D vs Sony RX100 II in our brand new Camera plus Lens Size Comparison Tool.
Do not forget, the weight of an ILC will differ dependant on the lens you are using at the time. Below is the front view dimensions comparison of the K20D versus the RX100 II.

Using size and weight, the portability grade of the K20D and RX100 II is 59 and 89 respectively.
Pentax K20D vs Sony RX100 II Sensor Comparison
Oftentimes, its difficult to visualize the gap between sensor sizing only by reading specifications. The photograph below might offer you a much better sense of the sensor measurements in the K20D and RX100 II.
Plainly, both cameras have got different megapixel count and different sensor sizing. The K20D featuring a bigger sensor is going to make achieving shallow depth of field less difficult and the Sony RX100 II will offer greater detail having its extra 5 Megapixels. Higher resolution can also make it easier to crop pictures much more aggressively. The older K20D is going to be behind with regard to sensor technology.
Pentax K20D vs Sony RX100 II Screen and ViewFinder
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Pentax K20D vs Sony RX100 II Specifications
| Pentax K20D | Sony Cyber-shot DSC-RX100 II | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model | Pentax K20D | Sony Cyber-shot DSC-RX100 II |
| Class | Advanced DSLR | Large Sensor Compact |
| Released | 2008-06-25 | 2013-06-27 |
| Physical type | Mid-size SLR | Large Sensor Compact |
| Sensor Information | ||
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | 1" |
| Sensor measurements | 23.4 x 15.6mm | 13.2 x 8.8mm |
| Sensor area | 365.0mm² | 116.2mm² |
| Sensor resolution | 15 megapixels | 20 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
| Maximum resolution | 4672 x 3104 | 5472 x 3648 |
| Maximum native ISO | 3200 | 12800 |
| Maximum boosted ISO | 6400 | 25600 |
| Minimum native ISO | 100 | 160 |
| RAW photos | ||
| Minimum boosted ISO | - | 100 |
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 11 | 25 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | fixed lens |
| Lens focal range | - | 28-100mm (3.6x) |
| Highest aperture | - | f/1.8-4.9 |
| Macro focus distance | - | 5cm |
| Available lenses | 151 | - |
| Focal length multiplier | 1.5 | 2.7 |
| Screen | ||
| Type of display | Fixed Type | Tilting |
| Display sizing | 2.7" | 3" |
| Resolution of display | 230k dots | 1,229k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Display tech | - | Xtra Fine WhiteMagic TFT LCD |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Electronic (optional) |
| Viewfinder coverage | 95 percent | - |
| Viewfinder magnification | 0.64x | - |
| Features | ||
| Slowest shutter speed | 30 seconds | 30 seconds |
| Maximum shutter speed | 1/4000 seconds | 1/2000 seconds |
| Continuous shooting rate | 3.0 frames per second | 10.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 13.00 m (at ISO 100) | 15.00 m (ISO Auto (W)) |
| Flash modes | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless | Auto, On, Off, Slow Sync |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Maximum flash synchronize | 1/180 seconds | 1/2000 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (60 fps), 640 x 480 (30 fps) |
| Maximum video resolution | None | 1920x1080 |
| Video data format | - | MPEG-4, AVCHD |
| Microphone support | ||
| Headphone support | ||
| 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 | 800 gr (1.76 lb) | 281 gr (0.62 lb) |
| Dimensions | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") | 102 x 58 x 38mm (4.0" x 2.3" x 1.5") |
| DXO scores | ||
| DXO All around score | 65 | 67 |
| DXO Color Depth score | 22.9 | 22.5 |
| DXO Dynamic range score | 11.1 | 12.4 |
| DXO Low light score | 639 | 483 |
| Other | ||
| Battery life | - | 350 images |
| Battery style | - | Battery Pack |
| Battery model | D-LI50 | NP-BX1 |
| Self timer | Yes (2 or 10 sec) | Yes (10 sec. / 2 sec. / Self-portrait One-person/ Self-portrait Two-person/ Self timer Continuous (3 or 5 shots)) |
| Time lapse feature | With downloadable app | |
| Storage type | SD/MMC/SDHC card | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Card slots | Single | Single |
| Retail pricing | $700 | $598 |