Pentax K-x vs Sony NEX-6
69 Imaging
51 Features
47 Overall
49
85 Imaging
57 Features
76 Overall
64
Pentax K-x vs Sony NEX-6 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 6400 (Push to 12800)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Revealed December 2009
(Full Review)
- 16MP - APS-C Sensor
- 3" Tilting Display
- ISO 100 - 25600
- 1920 x 1080 video
- Sony E Mount
- 345g - 120 x 67 x 43mm
- Released March 2013
- Updated by Sony A6000
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In this article, we are comparing the Pentax K-x and Sony NEX-6, former is a Entry-Level DSLR while the other is a Advanced Mirrorless by companies Pentax and Sony. There is a large difference among the resolutions of the K-x (12MP) and NEX-6 (16MP) but they feature the same exact sensor measurements (APS-C).
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe K-x was introduced 4 years earlier than the NEX-6 which is a fairly serious difference as far as camera tech is concerned. Each of the cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony NEX-6 being a Rangefinder-style mirrorless camera.
Before getting in to a more detailed comparison, below is a brief overview of how the K-x grades versus the NEX-6 in terms of portability, imaging, features and an overall score.
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This is a sample of the gallery pics for Pentax K-x & Sony Alpha NEX-6. The whole galleries are viewable at Pentax K-x Gallery & Sony NEX-6 Gallery.
Reasons to pick Pentax K-x over the Sony NEX-6
| K-x | NEX-6 |
|---|
Reasons to pick Sony NEX-6 over the Pentax K-x
| NEX-6 | K-x | |||
|---|---|---|---|---|
| Released | March 2013 | December 2009 | More modern by 39 months | |
| Display type | Tilting | Fixed | Tilting display | |
| Display sizing | 3" | 2.7" | Larger display (+0.3") | |
| Display resolution | 921k | 230k | Clearer display (+691k dot) |
Common features in the Pentax K-x and Sony NEX-6
| K-x | NEX-6 | |||
|---|---|---|---|---|
| Manual focus | More exact focus | |||
| Selfie screen | Neither contains selfie screen | |||
| Touch friendly display | Absent Touch friendly display |
Pentax K-x vs Sony NEX-6 Physical Comparison
When you are going to carry around your camera, you will have to consider its weight and measurements. The Pentax K-x has got outer measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) whilst the Sony NEX-6 has proportions of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") having a weight of 345 grams (0.76 lbs).
Look at the Pentax K-x and Sony NEX-6 in our brand new Camera plus Lens Size Comparison Tool.
Don't forget, the weight of an ILC will vary depending on the lens you use during that time. The following is the front view over all size comparison of the K-x vs the NEX-6.

Looking at size and weight, the portability grade of the K-x and NEX-6 is 69 and 85 respectively.
Pentax K-x vs Sony NEX-6 Sensor Comparison
Often, it's hard to visualise the gap in sensor sizes only by looking through specs. The pic here should provide you a clearer sense of the sensor measurements in the K-x and NEX-6.
As you can plainly see, the two cameras offer the same exact sensor sizing but not the same resolution. You can expect to see the Sony NEX-6 to provide you with more detail using its extra 4MP. Greater resolution will also help you crop images a little more aggressively. The more aged K-x will be behind in sensor tech.
Pentax K-x vs Sony NEX-6 Screen and ViewFinder
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Pentax K-x vs Sony NEX-6 Specifications
| Pentax K-x | Sony Alpha NEX-6 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sony |
| Model | Pentax K-x | Sony Alpha NEX-6 |
| Category | Entry-Level DSLR | Advanced Mirrorless |
| Revealed | 2009-12-23 | 2013-03-25 |
| Body design | Compact SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor | Prime | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.6 x 15.8mm | 23.5 x 15.6mm |
| Sensor area | 372.9mm² | 366.6mm² |
| Sensor resolution | 12MP | 16MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Full resolution | 4288 x 2848 | 4912 x 3264 |
| Max native ISO | 6400 | 25600 |
| Max boosted ISO | 12800 | - |
| Minimum native ISO | 100 | 100 |
| RAW format | ||
| Autofocusing | ||
| Manual focus | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 11 | 99 |
| Lens | ||
| Lens mount | Pentax KAF2 | Sony E |
| Available lenses | 151 | 121 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Tilting |
| Screen size | 2.7 inch | 3 inch |
| Screen resolution | 230k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Screen tech | TFT LCD monitor | Xtra Fine LCD with Tilt Up 90� and Down 45� |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentamirror) | Electronic |
| Viewfinder resolution | - | 2,359k dot |
| Viewfinder coverage | 96 percent | 100 percent |
| Viewfinder magnification | 0.57x | 0.73x |
| Features | ||
| Slowest shutter speed | 30s | 30s |
| Maximum shutter speed | 1/6000s | 1/4000s |
| Continuous shooting speed | 5.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 16.00 m | 6.00 m |
| Flash modes | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Maximum flash sync | 1/180s | 1/160s |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (24 fps), 640 x 416 (24 fps) | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
| Max video resolution | 1280x720 | 1920x1080 |
| Video file format | Motion JPEG | MPEG-4, AVCHD |
| Microphone input | ||
| Headphone input | ||
| 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 | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 580g (1.28 pounds) | 345g (0.76 pounds) |
| Dimensions | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") | 120 x 67 x 43mm (4.7" x 2.6" x 1.7") |
| DXO scores | ||
| DXO All around score | 72 | 78 |
| DXO Color Depth score | 22.8 | 23.7 |
| DXO Dynamic range score | 12.5 | 13.1 |
| DXO Low light score | 811 | 1018 |
| Other | ||
| Battery life | 1900 photographs | 360 photographs |
| Form of battery | Battery Pack | Battery Pack |
| Battery model | 4 x AA | NPFW50 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec, 10sec (3 images)) |
| Time lapse recording | With downloadable app | |
| Storage media | SD/SDHC card | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Cost at launch | $600 | $365 |