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Panasonic S5 vs Pentax K-x

Portability
60
Imaging
77
Features
92
Overall
83
Panasonic Lumix DC-S5 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Panasonic S5 vs Pentax K-x Key Specs

Panasonic S5
(Full Review)
  • 24MP - Full frame Sensor
  • 3.0" Fully Articulated Display
  • ISO 100 - 51200 (Raise to 204800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 714g - 133 x 97 x 82mm
  • Launched August 2020
  • Successor is Panasonic S5 II
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • 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
  • Revealed December 2009
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Panasonic S5 vs Pentax K-x Overview

Its time to take a deeper look at the Panasonic S5 versus Pentax K-x, one is a Pro Mirrorless and the latter is a Entry-Level DSLR by manufacturers Panasonic and Pentax. There exists a big gap among the image resolutions of the S5 (24MP) and K-x (12MP) and the S5 (Full frame) and K-x (APS-C) come with totally different sensor sizing.

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The S5 was unveiled 10 years after the K-x which is a fairly big gap as far as camera technology is concerned. Both the cameras come with different body type with the Panasonic S5 being a SLR-style mirrorless camera and the Pentax K-x being a Compact SLR camera.

Before going through a in depth comparison, below is a short highlight of how the S5 matches up vs the K-x with regard to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic S5 over the Pentax K-x

 S5 K-x 
RevealedAugust 2020December 2009Newer by 130 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3.0"2.7"Bigger screen (+0.3")
Screen resolution1840k230kCrisper screen (+1610k dot)
Selfie screen Easy selfies
Touch screen Quickly navigate

Reasons to pick Pentax K-x over the Panasonic S5

 K-x S5 

Common features in the Panasonic S5 and Pentax K-x

 S5 K-x 
Manual focus More exact focus

Panasonic S5 vs Pentax K-x Physical Comparison

If you're going to travel with your camera often, you're going to have to think about its weight and proportions. The Panasonic S5 has exterior measurements of 133mm x 97mm x 82mm (5.2" x 3.8" x 3.2") accompanied by a weight of 714 grams (1.57 lbs) whilst the Pentax K-x has measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).

Check out the Panasonic S5 versus Pentax K-x in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you use at that moment. Here is the front view over all size comparison of the S5 versus the K-x.

Panasonic S5 vs Pentax K-x size comparison

Looking at dimensions and weight, the portability grade of the S5 and K-x is 60 and 69 respectively.

Panasonic S5 vs Pentax K-x top view buttons comparison

Panasonic S5 vs Pentax K-x Sensor Comparison

More often than not, its hard to visualise the gap in sensor dimensions simply by seeing technical specs. The picture here will help offer you a much better sense of the sensor sizing in the S5 and K-x.

As you have seen, both the cameras posses different megapixels and different sensor dimensions. The S5 using its bigger sensor will make shooting shallower depth of field less difficult and the Panasonic S5 will provide more detail having an extra 12MP. Higher resolution will enable you to crop shots somewhat more aggressively. The more recent S5 will have an edge in sensor tech.

Panasonic S5 vs Pentax K-x sensor size comparison

Panasonic S5 vs Pentax K-x Screen and ViewFinder

Panasonic S5 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic S5 Portrait photography advice
Pentax K-x Portrait photography advice
86
manual focus
decent megapixels (24 megapixels)
big sensor size (Full frame)
supports face detect focusing
delivers RAW files
63
has manual focus
sensor size is good (APS-C)
provides face detect focusing
delivers RAW files
low MP (12 megapixels)
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Street Comparison

Street photography with Panasonic S5
Street photography with Pentax K-x
78
screen articulates
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW files
offers touch focus
weather proofing
good ISO range (51,200)
67
built in image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
screen does not articulate
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Sports Comparison

Panasonic S5 as a Sports photography camera
Pentax K-x as a Sports photography camera
82
high shutter speed (1/8,000s)
silent shooting (1/8,000s)
image stabilization (Sensor based 5-axis)
decent megapixels (24 megapixels)
big sensor size (Full frame)
supports tracking focus
weather proofing
lacks phase detect AF
61
great max shutter speed (1/6,000 seconds)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
better than average battery life (1,900 per charge)
supports phase detect AF
slow frames per second (5.0 frames per second)
low MP (12MP)
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Travel Comparison

Panasonic S5 Travel photography advice
Pentax K-x Travel photography advice
79
weather proofing
has bluetooth
offers touch focus
decent megapixels (24 megapixels)
screen is selfie friendly
54
better than average battery life (1,900 CIPA)
has built in flash
lack of Time Lapse function
low MP (12 megapixels)
does not feature selfie friendly display
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Landscape Comparison

Panasonic S5 Landscape photography highlights
Pentax K-x Landscape photography highlights
86
manual focus
change lenses (Leica L mount)
pretty good screen size (3.0")
image stabilization (Sensor based 5-axis)
decent megapixels (24MP)
big sensor size (Full frame)
doesnt have low pass filter
good ISO range (51,200)
delivers RAW files
weather proofing
has dual storage slots
61
has manual focus
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
better than average battery life (1,900 per charge)
tiny screen (2.7 inch)
low MP (12 megapixels)
lack of Time Lapse function
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Vlogging Comparison

Panasonic S5 Vlogging features
Pentax K-x Vlogging features
79
screen is selfie friendly
touchscreen functionality
image stabilization (Sensor based 5-axis)
supports face detect focusing
high quality video (3840 x 2160 pxls)
includes microphone jack
27
built in image stabilization (Sensor based)
provides face detect focusing
does not feature selfie friendly display
low video resolution (1280 x 720 pxls)
lack of mic jack
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Panasonic S5 vs Pentax K-x Specifications

Detailed spec comparison table for Panasonic S5 and Pentax K-x
 Panasonic Lumix DC-S5Pentax K-x
General Information
Brand Name Panasonic Pentax
Model Panasonic Lumix DC-S5 Pentax K-x
Category Pro Mirrorless Entry-Level DSLR
Launched 2020-08-14 2009-12-23
Body design SLR-style mirrorless Compact SLR
Sensor Information
Processor - Prime
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.6 x 23.8mm 23.6 x 15.8mm
Sensor surface area 847.3mm² 372.9mm²
Sensor resolution 24 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Peak resolution 6000 x 4000 4288 x 2848
Highest native ISO 51200 6400
Highest enhanced ISO 204800 12800
Minimum native ISO 100 100
RAW photos
Minimum enhanced ISO 50 -
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 225 11
Lens
Lens mounting type Leica L Pentax KAF2
Available lenses 31 151
Crop factor 1 1.5
Screen
Display type Fully Articulated Fixed Type
Display size 3.0" 2.7"
Display resolution 1,840 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Display technology - TFT LCD monitor
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder resolution 2,360 thousand dot -
Viewfinder coverage 100% 96%
Viewfinder magnification 0.74x 0.57x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/8000 secs 1/6000 secs
Fastest quiet shutter speed 1/8000 secs -
Continuous shutter speed 7.0 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash range no built-in flash 16.00 m
Flash settings Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync, Slow Sync w/Red-eye Reduction, Forced Off Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
AEB
White balance bracketing
Fastest flash sync 1/250 secs 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 3840 x 2160 @ 60p / 200 Mbps, MP4, H.264, Linear PCM 1280 x 720 (24 fps), 640 x 416 (24 fps)
Highest video resolution 3840x2160 1280x720
Video format MPEG-4, H.264, H.265 Motion JPEG
Mic input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes (can be charged with high-power laptop/tablet chargers or portable power banks) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 714 gr (1.57 lb) 580 gr (1.28 lb)
Dimensions 133 x 97 x 82mm (5.2" x 3.8" x 3.2") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO Overall score not tested 72
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.5
DXO Low light score not tested 811
Other
Battery life 440 shots 1900 shots
Battery format Battery Pack Battery Pack
Battery model - 4 x AA
Self timer Yes Yes (2 or 12 sec)
Time lapse recording
Storage media SD Memory Card, SDHC Memory Card, SDXC Memory Card SD/SDHC card
Storage slots Dual 1
Price at release $1,999 $600