Pentax K-70 vs Pentax K-x

Pentax K-70 front
Pentax K-x front

Pentax K-70 vs Pentax K-x Key Specs

Pentax K-70
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 102400
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 688g - 126 x 93 x 74mm
  • Launched June 2016
  • Successor is Pentax KF
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 Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Revealed December 2009
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Pentax K-70 vs Pentax K-x Overview

Lets look more closely at the Pentax K-70 and Pentax K-x, both Entry-Level DSLR digital cameras and both of them are manufactured by Pentax. There exists a huge gap between the image resolutions of the K-70 (24MP) and K-x (12MP) but they use the exact same sensor sizes (APS-C).

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The K-70 was released 6 years later than the K-x and that is quite a significant gap as far as technology is concerned. Both of these cameras come with the identical body type (Compact SLR).

Before getting through a in-depth comparison, below is a quick view of how the K-70 grades against the K-x in terms of portability, imaging, features and an overall rating.

Photography Glossary

Reasons to pick Pentax K-70 over the Pentax K-x

 K-70 K-x 
RevealedJune 2016December 2009Fresher by 79 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution921k230kCrisper screen (+691k dot)
Selfie screen Easy selfies

Reasons to pick Pentax K-x over the Pentax K-70

 K-x K-70 

Common features in the Pentax K-70 and Pentax K-x

 K-70 K-x 
Focus manually More accurate focusing
Touch friendly screen Neither has Touch friendly screen

Pentax K-70 vs Pentax K-x Physical Comparison

If you're looking to carry your camera frequently, you're going to have to take into account its weight and proportions. The Pentax K-70 has external dimensions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") with a weight of 688 grams (1.52 lbs) and 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).

Look at the Pentax K-70 and Pentax K-x in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you choose during that time. The following is the front view over all size comparison of the K-70 against the K-x.

Pentax K-70 vs Pentax K-x size comparison

Factoring in dimensions and weight, the portability grade of the K-70 and K-x is 62 and 69 respectively.

Pentax K-70 vs Pentax K-x top view buttons comparison

Pentax K-70 vs Pentax K-x Sensor Comparison

Quite often, its difficult to imagine the difference between sensor sizing merely by reading specs. The photograph below will give you a much better sense of the sensor dimensions in the K-70 and K-x.

As you can plainly see, each of these cameras have got the exact same sensor measurements albeit different resolution. You should expect the Pentax K-70 to offer you more detail as a result of its extra 12MP. Higher resolution will also allow you to crop pictures much more aggressively. The more recent K-70 should have a benefit in sensor tech.

Pentax K-70 vs Pentax K-x sensor size comparison

Pentax K-70 vs Pentax K-x Screen and ViewFinder

Pentax K-70 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-70 Portrait photography factors
Pentax K-x Portrait photography factors
has manual focus
resolution is good (24MP)
sensor size is decent (APS-C)
features face detect focus
delivers RAW files
focusing manually
decent sensor size (APS-C)
provides face detect focus
delivers RAW files
megapixel count low (12 megapixels)
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Street Comparison

Pentax K-70 Street photography details
Pentax K-x Street photography details
fully articulated screen
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
weather proofing
above average ISO range (102,400)
more heavy than others in class (688g)
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
fixed screen
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Sports Comparison

Pentax K-70 Sports photography advice
Pentax K-x Sports photography advice
maximum shutter speed is high (1/6,000s)
has image stabilization (Sensor based)
resolution is good (24 megapixels)
sensor size is decent (APS-C)
features tracking focus
weather proofing
comes with phase detect auto focus
slow fps (6.0 frames/s)
low battery life (410 CIPA)
high shutter speed (1/6,000 seconds)
built in image stabilization (Sensor based)
decent sensor size (APS-C)
great battery life (1,900 CIPA)
sensor has phase detect auto focus
slow continuous shooting (5.0 fps)
megapixel count low (12 megapixels)
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Travel Comparison

Pentax K-70 Travel photography details
Pentax K-x Travel photography details
weather proofing
resolution is good (24MP)
has built in flash
selfie friendly display
low battery life (410 per charge)
more heavy than others in class (688 grams)
great battery life (1,900 per charge)
flash built-in
lack of Time Lapse recording
megapixel count low (12 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Pentax K-70 Landscape photography information
Pentax K-x Landscape photography information
has manual focus
interchangeable lenses (Pentax KAF2 mount)
good sized screen (3")
has image stabilization (Sensor based)
resolution is good (24MP)
sensor size is decent (APS-C)
does not have low pass filter
above average ISO range (102,400)
delivers RAW files
weather proofing
low battery life (410 shots)
focusing manually
swap lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
great battery life (1,900 CIPA)
screen is small (2.7")
megapixel count low (12 megapixels)
lack of Time Lapse recording
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Vlogging Comparison

Pentax K-70 Vlogging information
Pentax K-x Vlogging information
selfie friendly display
has image stabilization (Sensor based)
features face detect focus
video res high (1920 x 1080 resolution)
does have microphone socket
more heavy than others in class (688g)
built in image stabilization (Sensor based)
provides face detect focus
screen isn't selfie friendly
video quality not great (1280 x 720 resolution)
lack of mic jack
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Pentax K-70 vs Pentax K-x Specifications

Detailed spec comparison table for Pentax K-70 and Pentax K-x
 Pentax K-70Pentax K-x
General Information
Brand Pentax Pentax
Model Pentax K-70 Pentax K-x
Category Entry-Level DSLR Entry-Level DSLR
Launched 2016-06-08 2009-12-23
Body design Compact SLR Compact SLR
Sensor Information
Processor Chip PRIME MII Prime
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.6 x 15.8mm
Sensor area 366.6mm² 372.9mm²
Sensor resolution 24MP 12MP
Anti aliasing filter
Aspect ratio 3:2 3:2
Max resolution 6000 x 4000 4288 x 2848
Max native ISO 102400 6400
Max enhanced ISO - 12800
Minimum native ISO 100 100
RAW pictures
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 11 11
Cross focus points 9 -
Lens mount Pentax KAF2 Pentax KAF2
Total lenses 151 151
Focal length multiplier 1.5 1.5
Screen type Fully Articulated Fixed Type
Screen size 3 inch 2.7 inch
Screen resolution 921k dot 230k dot
Selfie friendly
Touch functionality
Screen technology - TFT LCD monitor
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.63x 0.57x
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/6000 secs 1/6000 secs
Continuous shutter speed 6.0fps 5.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 16.00 m
Flash options Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
External flash
AE bracketing
White balance bracketing
Fastest flash sync - 1/180 secs
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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)
Max video resolution 1920x1080 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Mic input
Headphone input
Wireless Built-In None
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 688g (1.52 lb) 580g (1.28 lb)
Dimensions 126 x 93 x 74mm (5.0" x 3.7" x 2.9") 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
Battery life 410 photographs 1900 photographs
Battery format Battery Pack Battery Pack
Battery model - 4 x AA
Self timer Yes (2 or 12 secs, continuous) Yes (2 or 12 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC (UHS-I compatible) SD/SDHC card
Storage slots One One
Launch pricing $649 $600