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Pentax K-1 vs Pentax K-x

Portability
55
Imaging
76
Features
82
Overall
78
Pentax K-1 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Pentax K-1 vs Pentax K-x Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Revealed February 2016
  • Refreshed by Pentax K-1 II
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400 (Expand 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
Photography Glossary

Pentax K-1 vs Pentax K-x Overview

Here, we will be reviewing the Pentax K-1 and Pentax K-x, former being a Advanced DSLR while the latter is a Entry-Level DSLR and both of them are built by Pentax. There exists a sizable gap between the resolutions of the K-1 (36MP) and K-x (12MP) and the K-1 (Full frame) and K-x (APS-C) posses different sensor measurements.

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The K-1 was manufactured 6 years later than the K-x and that is quite a significant difference as far as technology is concerned. Both cameras feature different body design with the Pentax K-1 being a Mid-size SLR camera and the Pentax K-x being a Compact SLR camera.

Before diving into a comprehensive comparison, here is a concise highlight of how the K-1 scores against the K-x in terms of portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-1 over the Pentax K-x

 K-1 K-x 
RevealedFebruary 2016December 2009Fresher by 75 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen size3.2"2.7"Bigger screen (+0.5")
Screen resolution1037k230kCrisper screen (+807k dot)

Reasons to pick Pentax K-x over the Pentax K-1

 K-x K-1 

Common features in the Pentax K-1 and Pentax K-x

 K-1 K-x 
Manually focus More precise focusing
Selfie screen Neither comes with selfie screen
Touch screen Neither comes with Touch screen

Pentax K-1 vs Pentax K-x Physical Comparison

If you're looking to carry your camera frequently, you need to take into account its weight and proportions. The Pentax K-1 comes with outside measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs) whilst the Pentax K-x has measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs).

Look at the Pentax K-1 and Pentax K-x in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ based on the lens you are using at that time. The following is a front view dimensions comparison of the K-1 against the K-x.

Pentax K-1 vs Pentax K-x size comparison

Considering dimensions and weight, the portability score of the K-1 and K-x is 55 and 69 respectively.

Pentax K-1 vs Pentax K-x top view buttons comparison

Pentax K-1 vs Pentax K-x Sensor Comparison

Normally, its hard to visualize the gap between sensor sizing purely by reviewing specifications. The photograph underneath might give you a much better sense of the sensor sizing in the K-1 and K-x.

Plainly, the two cameras come with different megapixel count and different sensor sizing. The K-1 due to its bigger sensor is going to make getting shallower depth of field simpler and the Pentax K-1 will deliver more detail due to its extra 24MP. Higher resolution will help you crop photographs a good deal more aggressively. The newer K-1 provides an edge in sensor innovation.

Pentax K-1 vs Pentax K-x sensor size comparison

Pentax K-1 vs Pentax K-x Screen and ViewFinder

Pentax K-1 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 Portrait photography features
Pentax K-x Portrait photography features
85
focusing manually
sensor resolution is excellent (36 megapixels)
large sensor size (Full frame)
provides face detection autofocus
delivers RAW files
63
manual focus
sensor size is decent (APS-C)
offers face detection autofocus
delivers RAW files
low megapixels (12MP)
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Street Comparison

Pentax K-1 Street photography advice
Pentax K-x Street photography advice
70
screen articulates
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
delivers RAW files
environment proof
great high ISO (204,800)
more heavy than average in class (1,010 grams)
67
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
no moving screen
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Sports Comparison

Pentax K-1 Sports photography info
Pentax K-x Sports photography info
76
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
sensor resolution is excellent (36 megapixels)
large sensor size (Full frame)
provides tracking autofocus
environment proof
comes with phase detect autofocus
continuous shooting slow (4.4 fps)
bad battery life (760 shots)
61
max shutter speed is good (1/6,000 seconds)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
great battery life (1,900 per charge)
supports phase detect autofocus
slow continuous shooting (5.0 frames per second)
low megapixels (12 megapixels)
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Travel Comparison

Pentax K-1 as a Travel photography camera
Pentax K-x as a Travel photography camera
53
environment proof
sensor resolution is excellent (36 megapixels)
bad battery life (760 shots)
more heavy than average in class (1,010 grams)
screen isn't selfie friendly
54
great battery life (1,900 shots)
has built in flash
doesn't have Timelapse mode
low megapixels (12MP)
does not posses selfie friendly display
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Landscape Comparison

Pentax K-1 Landscape photography highlights
Pentax K-x Landscape photography highlights
81
focusing manually
change lenses (Pentax KAF2 mount)
screen size is good (3.2 inch)
has image stabilization (Sensor based 5-axis)
sensor resolution is excellent (36MP)
large sensor size (Full frame)
no anti-alias filter
great high ISO (204,800)
delivers RAW files
environment proof
2 card slots
bad battery life (760 shots)
61
manual focus
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
great battery life (1,900 per charge)
screen is somewhat small (2.7 inch)
low megapixels (12 megapixels)
doesn't have Timelapse mode
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Vlogging Comparison

Vlogging with Pentax K-1
Vlogging with Pentax K-x
31
has image stabilization (Sensor based 5-axis)
provides face detection autofocus
video res high (1920 x 1080 pixels)
does have external microphone support
screen isn't selfie friendly
more heavy than average in class (1,010 grams)
27
built in image stabilization (Sensor based)
offers face detection autofocus
does not posses selfie friendly display
video quality not great (1280 x 720 pixels)
doesn't have external microphone socket
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Pentax K-1 vs Pentax K-x Specifications

Detailed spec comparison table for Pentax K-1 and Pentax K-x
 Pentax K-1Pentax K-x
General Information
Brand Pentax Pentax
Model Pentax K-1 Pentax K-x
Class Advanced DSLR Entry-Level DSLR
Revealed 2016-02-17 2009-12-23
Physical type Mid-size SLR Compact SLR
Sensor Information
Chip - Prime
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.9 x 24mm 23.6 x 15.8mm
Sensor area 861.6mm² 372.9mm²
Sensor resolution 36 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Peak resolution 7360 x 4912 4288 x 2848
Highest native ISO 204800 6400
Highest enhanced ISO - 12800
Min native ISO 100 100
RAW format
Autofocusing
Manual focus
Touch focus
AF continuous
AF single
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 33 11
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF2 Pentax KAF2
Amount of lenses 151 151
Crop factor 1 1.5
Screen
Display type Fully Articulated Fixed Type
Display sizing 3.2 inch 2.7 inch
Resolution of display 1,037k dots 230k dots
Selfie friendly
Liveview
Touch friendly
Display tech - TFT LCD monitor
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.7x 0.57x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/6000 secs
Continuous shutter rate 4.4 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range no built-in flash 16.00 m
Flash settings Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash synchronize 1/200 secs 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Highest video resolution 1920x1080 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010 grams (2.23 lbs) 580 grams (1.28 lbs)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO Overall score 96 72
DXO Color Depth score 25.4 22.8
DXO Dynamic range score 14.6 12.5
DXO Low light score 3280 811
Other
Battery life 760 pictures 1900 pictures
Type of battery Battery Pack Battery Pack
Battery model D-LI90 4 x AA
Self timer Yes (2 or 12 sec, custom) Yes (2 or 12 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC (UHS-I) SD/SDHC card
Card slots 2 One
Cost at release $1,499 $600