Panasonic LX100 vs Pentax K-x
83 Imaging
50 Features
73 Overall
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69 Imaging
51 Features
47 Overall
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Panasonic LX100 vs Pentax K-x Key Specs
(Full Review)
- 13MP - Four Thirds Sensor
- 3" Fixed Screen
- ISO 200 - 25600
- Optical Image Stabilization
- 3840 x 2160 video
- 24-75mm (F1.7-2.8) lens
- 393g - 115 x 66 x 55mm
- Introduced September 2014
- Refreshed by Panasonic LX100 II
(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
- Released December 2009
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Its time to take a deeper look at the Panasonic LX100 and Pentax K-x, former is a Large Sensor Compact while the latter is a Entry-Level DSLR by manufacturers Panasonic and Pentax. The resolution of the LX100 (13MP) and the K-x (12MP) is relatively close but the LX100 (Four Thirds) and K-x (APS-C) have different sensor dimensions.
Samsung Releases Faster Versions of EVO MicroSD CardsThe LX100 was announced 4 years after the K-x which is a fairly large difference as far as camera technology is concerned. Each of these cameras have different body design with the Panasonic LX100 being a Large Sensor Compact camera and the Pentax K-x being a Compact SLR camera.
Before diving right into a full comparison, here is a simple view of how the LX100 grades vs the K-x when it comes to portability, imaging, features and an overall mark.
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Below is a preview of the gallery photos for Panasonic Lumix DMC-LX100 & Pentax K-x. The whole galleries are provided at Panasonic LX100 Gallery & Pentax K-x Gallery.
Reasons to pick Panasonic LX100 over the Pentax K-x
| LX100 | K-x | |||
|---|---|---|---|---|
| Released | September 2014 | December 2009 | Newer by 58 months | |
| Screen dimensions | 3" | 2.7" | Bigger screen (+0.3") | |
| Screen resolution | 921k | 230k | Sharper screen (+691k dot) |
Reasons to pick Pentax K-x over the Panasonic LX100
| K-x | LX100 |
|---|
Common features in the Panasonic LX100 and Pentax K-x
| LX100 | K-x | |||
|---|---|---|---|---|
| Manual focus | More precise focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Missing selfie screen | |||
| Touch screen | Neither provides Touch screen |
Panasonic LX100 vs Pentax K-x Physical Comparison
For those who are looking to travel with your camera regularly, you have to factor in its weight and size. The Panasonic LX100 provides physical dimensions of 115mm x 66mm x 55mm (4.5" x 2.6" x 2.2") along with a weight of 393 grams (0.87 lbs) and the Pentax K-x has specifications of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs).
Take a look at the Panasonic LX100 and Pentax K-x in our brand new Camera plus Lens Size Comparison Tool.
Remember, the weight of an ILC will change depending on the lens you have chosen at that moment. Following is a front view size comparison of the LX100 versus the K-x.

Looking at dimensions and weight, the portability score of the LX100 and K-x is 83 and 69 respectively.
Panasonic LX100 vs Pentax K-x Sensor Comparison
Normally, its difficult to picture the gap in sensor dimensions purely by looking through specifications. The picture here might provide you a more clear sense of the sensor sizes in the LX100 and K-x.
Plainly, both of these cameras have different megapixels and different sensor dimensions. The LX100 having a smaller sensor is going to make getting shallow DOF more challenging and the Panasonic LX100 will render more detail with its extra 1 Megapixels. Higher resolution can also make it easier to crop photographs a bit more aggressively. The younger LX100 provides an advantage in sensor technology.
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Panasonic LX100 vs Pentax K-x Specifications
| Panasonic Lumix DMC-LX100 | Pentax K-x | |
|---|---|---|
| General Information | ||
| Brand Name | Panasonic | Pentax |
| Model type | Panasonic Lumix DMC-LX100 | Pentax K-x |
| Class | Large Sensor Compact | Entry-Level DSLR |
| Introduced | 2014-09-15 | 2009-12-23 |
| Body design | Large Sensor Compact | Compact SLR |
| Sensor Information | ||
| Processor Chip | Venus Engine | Prime |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor measurements | 17.3 x 13mm | 23.6 x 15.8mm |
| Sensor surface area | 224.9mm² | 372.9mm² |
| Sensor resolution | 13 megapixels | 12 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Full resolution | 4112 x 3088 | 4288 x 2848 |
| Max native ISO | 25600 | 6400 |
| Max boosted ISO | - | 12800 |
| Minimum native ISO | 200 | 100 |
| RAW format | ||
| Minimum boosted ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 49 | 11 |
| Lens | ||
| Lens mount type | fixed lens | Pentax KAF2 |
| Lens zoom range | 24-75mm (3.1x) | - |
| Highest aperture | f/1.7-2.8 | - |
| Macro focusing range | 3cm | - |
| Total lenses | - | 151 |
| Focal length multiplier | 2.1 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen size | 3 inches | 2.7 inches |
| Resolution of screen | 921 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Screen tech | - | TFT LCD monitor |
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentamirror) |
| Viewfinder resolution | 2,764 thousand dot | - |
| Viewfinder coverage | 100% | 96% |
| Viewfinder magnification | 0.7x | 0.57x |
| Features | ||
| Slowest shutter speed | 60 seconds | 30 seconds |
| Maximum shutter speed | 1/4000 seconds | 1/6000 seconds |
| Maximum silent shutter speed | 1/16000 seconds | - |
| Continuous shooting speed | 11.0 frames per second | 5.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 7.00 m (with included external flash at ISO 100) | 16.00 m |
| Flash modes | Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction, off | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Maximum flash sync | - | 1/180 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p), 640 x 480 | 1280 x 720 (24 fps), 640 x 416 (24 fps) |
| Max video resolution | 3840x2160 | 1280x720 |
| Video file format | MPEG-4, AVCHD | Motion JPEG |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 393 grams (0.87 lbs) | 580 grams (1.28 lbs) |
| Physical dimensions | 115 x 66 x 55mm (4.5" x 2.6" x 2.2") | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") |
| DXO scores | ||
| DXO All around rating | 67 | 72 |
| DXO Color Depth rating | 22.3 | 22.8 |
| DXO Dynamic range rating | 12.5 | 12.5 |
| DXO Low light rating | 553 | 811 |
| Other | ||
| Battery life | 300 photographs | 1900 photographs |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | - | 4 x AA |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 12 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-I) | SD/SDHC card |
| Storage slots | 1 | 1 |
| Launch cost | $800 | $600 |