Pentax K-x vs Sony RX10
69 Imaging
52 Features
47 Overall
50


58 Imaging
51 Features
76 Overall
61
Pentax K-x vs Sony RX10 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 6400 (Push to 12800)
- Sensor based Image Stabilization
- 1/6000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Released December 2009
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Display
- ISO 125 - 12800 (Boost to 25600)
- Optical Image Stabilization
- 1920 x 1080 video
- 24-200mm (F2.8) lens
- 813g - 129 x 88 x 102mm
- Introduced March 2014
- Replacement is Sony RX10 II

Pentax K-x vs Sony RX10 Overview
Here is a thorough assessment of the Pentax K-x and Sony RX10, one being a Entry-Level DSLR and the other is a Large Sensor Superzoom by companies Pentax and Sony. There is a sizeable difference between the image resolutions of the K-x (12MP) and RX10 (20MP) and the K-x (APS-C) and RX10 (1") offer totally different sensor sizes.

The K-x was brought out 5 years before the RX10 and that is quite a large gap as far as tech is concerned. Both cameras feature different body design with the Pentax K-x being a Compact SLR camera and the Sony RX10 being a SLR-like (bridge) camera.
Before diving into a step-by-step comparison, here is a quick view of how the K-x matches up vs the RX10 for portability, imaging, features and an overall rating.

Pentax K-x vs Sony RX10 Gallery
Here is a sample of the gallery pictures for Pentax K-x and Sony Cyber-shot DSC-RX10. The entire galleries are provided at Pentax K-x Gallery and Sony RX10 Gallery.
Reasons to pick Pentax K-x over the Sony RX10
K-x | RX10 |
---|
Reasons to pick Sony RX10 over the Pentax K-x
RX10 | K-x | |||
---|---|---|---|---|
Introduced | March 2014 | ![]() | December 2009 | Fresher by 51 months |
Display type | Tilting | ![]() | Fixed | Tilting display |
Display size | 3" | ![]() | 2.7" | Larger display (+0.3") |
Display resolution | 1290k | ![]() | 230k | Crisper display (+1060k dot) |
Common features in the Pentax K-x and Sony RX10
K-x | RX10 | |||
---|---|---|---|---|
Manual focus | ![]() | Very exact focusing | ||
Selfie screen | ![]() | Lack of selfie screen | ||
Touch display | ![]() | Lack of Touch display |
Pentax K-x vs Sony RX10 Physical Comparison
When you are intending to carry your camera regularly, you'll have to consider its weight and proportions. The Pentax K-x has exterior dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs) and the Sony RX10 has measurements of 129mm x 88mm x 102mm (5.1" x 3.5" x 4.0") having a weight of 813 grams (1.79 lbs).
Take a look at the Pentax K-x and Sony RX10 in the all new Camera with Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at the time. Following is a front view dimension comparison of the K-x and the RX10.

Factoring in size and weight, the portability score of the K-x and RX10 is 69 and 58 respectively.

Pentax K-x vs Sony RX10 Sensor Comparison
In many cases, it is very tough to visualise the contrast between sensor sizing merely by reviewing specifications. The graphic here might offer you a stronger sense of the sensor dimensions in the K-x and RX10.
Plainly, the 2 cameras feature different resolutions and different sensor sizing. The K-x because of its larger sensor will make getting shallower depth of field simpler and the Sony RX10 will deliver extra detail having its extra 8 Megapixels. Greater resolution will allow you to crop images way more aggressively. The older K-x is going to be behind in sensor innovation.

Pentax K-x vs Sony RX10 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-x vs Sony RX10 Specifications
Pentax K-x | Sony Cyber-shot DSC-RX10 | |
---|---|---|
General Information | ||
Company | Pentax | Sony |
Model | Pentax K-x | Sony Cyber-shot DSC-RX10 |
Class | Entry-Level DSLR | Large Sensor Superzoom |
Released | 2009-12-23 | 2014-03-20 |
Physical type | Compact SLR | SLR-like (bridge) |
Sensor Information | ||
Processor Chip | Prime | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | APS-C | 1" |
Sensor dimensions | 23.6 x 15.8mm | 13.2 x 8.8mm |
Sensor surface area | 372.9mm² | 116.2mm² |
Sensor resolution | 12MP | 20MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
Max resolution | 4288 x 2848 | 5472 x 3648 |
Max native ISO | 6400 | 12800 |
Max enhanced ISO | 12800 | 25600 |
Min native ISO | 100 | 125 |
RAW support | ||
Min enhanced ISO | - | 80 |
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Number of focus points | 11 | 25 |
Lens | ||
Lens mount | Pentax KAF2 | fixed lens |
Lens focal range | - | 24-200mm (8.3x) |
Maximum aperture | - | f/2.8 |
Total lenses | 151 | - |
Focal length multiplier | 1.5 | 2.7 |
Screen | ||
Display type | Fixed Type | Tilting |
Display sizing | 2.7 inches | 3 inches |
Display resolution | 230 thousand dots | 1,290 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Display technology | TFT LCD monitor | WhiteMagic |
Viewfinder Information | ||
Viewfinder type | Optical (pentamirror) | Electronic |
Viewfinder resolution | - | 1,440 thousand dots |
Viewfinder coverage | 96% | 100% |
Viewfinder magnification | 0.57x | 0.7x |
Features | ||
Min shutter speed | 30 secs | 30 secs |
Max shutter speed | 1/6000 secs | 1/3200 secs |
Continuous shutter rate | 5.0fps | 10.0fps |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Custom white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | 16.00 m | 10.20 m |
Flash modes | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless | Auto, fill-flash, slow sync, rear sync, off |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Max flash synchronize | 1/180 secs | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 1280 x 720 (24 fps), 640 x 416 (24 fps) | 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p) |
Max video resolution | 1280x720 | 1920x1080 |
Video format | Motion JPEG | MPEG-4, AVCHD |
Mic 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 | 580g (1.28 lbs) | 813g (1.79 lbs) |
Physical dimensions | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") | 129 x 88 x 102mm (5.1" x 3.5" x 4.0") |
DXO scores | ||
DXO Overall score | 72 | 69 |
DXO Color Depth score | 22.8 | 22.9 |
DXO Dynamic range score | 12.5 | 12.6 |
DXO Low light score | 811 | 474 |
Other | ||
Battery life | 1900 photos | 420 photos |
Battery style | Battery Pack | Battery Pack |
Battery model | 4 x AA | NP-FW50 |
Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec, continuous) |
Time lapse shooting | ||
Type of storage | SD/SDHC card | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Card slots | Single | Single |
Pricing at release | $600 | $698 |