Pentax K-r vs Pentax P70

Pentax K-r front
Pentax Optio P70 front

Pentax K-r vs Pentax P70 Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Announced March 2011
Pentax P70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 6400
  • 1280 x 720 video
  • 28-110mm (F2.8-5.0) lens
  • 155g - 97 x 54 x 22mm
  • Revealed March 2009
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Pentax K-r vs Pentax P70 Overview

Below is a complete assessment of the Pentax K-r vs Pentax P70, former being a Entry-Level DSLR while the latter is a Ultracompact and both are offered by Pentax. The image resolution of the K-r (12MP) and the P70 (12MP) is relatively close but the K-r (APS-C) and P70 (1/2.3") have different sensor measurements.

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The K-r was unveiled 2 years later than the P70 and that is a fairly big difference as far as camera tech is concerned. Both of the cameras feature different body design with the Pentax K-r being a Compact SLR camera and the Pentax P70 being a Ultracompact camera.

Before getting straight to a complete comparison, here is a brief synopsis of how the K-r matches up versus the P70 for portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-r over the Pentax P70

 K-r P70 
RevealedMarch 2011March 2009More recent by 25 months
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution921k230kClearer screen (+691k dot)

Reasons to pick Pentax P70 over the Pentax K-r

 P70 K-r 

Common features in the Pentax K-r and Pentax P70

 K-r P70 
Focus manually Very accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen
Touch screen Neither features Touch screen

Pentax K-r vs Pentax P70 Physical Comparison

For anybody who is aiming to lug around your camera regularly, you are going to need to consider its weight and volume. The Pentax K-r enjoys external dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs) whilst the Pentax P70 has sizing of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") and a weight of 155 grams (0.34 lbs).

Look at the Pentax K-r vs Pentax P70 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary based on the lens you are using at that moment. The following is a front view measurement comparison of the K-r versus the P70.

Pentax K-r vs Pentax P70 size comparison

Taking into consideration size and weight, the portability grade of the K-r and P70 is 67 and 95 respectively.

Pentax K-r vs Pentax P70 top view buttons comparison

Pentax K-r vs Pentax P70 Sensor Comparison

Often, it is very tough to picture the gap in sensor measurements merely by looking through specifications. The graphic underneath should offer you a more clear sense of the sensor sizes in the K-r and P70.

To sum up, the 2 cameras feature the identical MP albeit different sensor measurements. The K-r has the bigger sensor which is going to make getting shallow DOF simpler. The more modern K-r should have a benefit in sensor innovation.

Pentax K-r vs Pentax P70 sensor size comparison

Pentax K-r vs Pentax P70 Screen and ViewFinder

Pentax K-r vs Pentax P70 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-r Portrait photography advice
Pentax P70 Portrait photography advice
has manual focus
decent sensor size (APS-C)
provides face detection focus
saves RAW formats
resolution not great (12MP)
you can focus manually
manual exposure not possible
cannot use external flash
sensor resolution not great (12 megapixels)
very small sensor (1/2.3")
has no RAW files
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Street Comparison

Pentax K-r Street photography features
Pentax P70 Street photography features
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW formats
screen does not articulate
no articulating screen
no image stabilization
very small sensor (1/2.3")
has no RAW files
more heavy than average in class (155 grams)
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Sports Comparison

Pentax K-r Sports photography information
Pentax P70 Sports photography information
great max shutter speed (1/6,000 seconds)
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports phase detect auto focus
slow continuous shooting (6.0 frames/s)
resolution not great (12MP)
low battery (470 per charge)
maximum shutter speed is a little low (1/1,000 seconds)
lack of shutter priority mode
no image stabilization
sensor resolution not great (12 megapixels)
very small sensor (1/2.3")
has no phase detect autofocus
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Travel Comparison

Pentax K-r Travel photography advice
Pentax P70 Travel photography advice
flash built-in
low battery (470 CIPA)
resolution not great (12MP)
display is not selfie friendly
built-in flash
pretty wide (28mm)
lack of Timelapse function
more heavy than average in class (155g)
sensor resolution not great (12MP)
does not have a selfie friendly screen
sluggish maximum aperture (f2.8)
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Landscape Comparison

Pentax K-r Landscape photography details
Pentax P70 Landscape photography details
has manual focus
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3 inches)
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW formats
resolution not great (12 megapixels)
low battery (470 CIPA)
you can focus manually
pretty wide (28mm)
fixed lens (fixed lens mount)
sluggish maximum aperture (f2.8)
screen is somewhat small (2.7")
manual exposure not possible
no image stabilization
sensor resolution not great (12MP)
very small sensor (1/2.3")
has no RAW files
lack of Timelapse function
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Vlogging Comparison

Pentax K-r as a Vlogging camera
Pentax P70 as a Vlogging camera
has image stabilization (Sensor based)
provides face detection focus
display is not selfie friendly
low quality video (1280 x 720 resolution)
lack of external mic support
pretty wide (28mm)
sluggish maximum aperture (f2.8)
does not have a selfie friendly screen
no image stabilization
video resolution low (1280 x 720 resolution)
lack of microphone support
more heavy than average in class (155g)
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Pentax K-r vs Pentax P70 Specifications

Detailed spec comparison table for Pentax K-r and Pentax P70
 Pentax K-rPentax Optio P70
General Information
Brand Name Pentax Pentax
Model Pentax K-r Pentax Optio P70
Type Entry-Level DSLR Ultracompact
Announced 2011-03-11 2009-03-02
Physical type Compact SLR Ultracompact
Sensor Information
Processor Chip Prime II -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.6 x 15.8mm 6.17 x 4.55mm
Sensor area 372.9mm² 28.1mm²
Sensor resolution 12MP 12MP
Anti aliasing filter
Aspect ratio 3:2 -
Max resolution 4288 x 2848 4000 x 3000
Max native ISO 12800 6400
Max enhanced ISO 25600 -
Minimum native ISO 200 64
RAW images
Minimum enhanced ISO 100 -
Manual focus
Touch to focus
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 11 9
Cross focus points 9 -
Lens mount Pentax KAF2 fixed lens
Lens focal range - 28-110mm (3.9x)
Maximum aperture - f/2.8-5.0
Macro focus distance - 10cm
Total lenses 151 -
Crop factor 1.5 5.8
Screen type Fixed Type Fixed Type
Screen size 3" 2.7"
Screen resolution 921k dots 230k dots
Selfie friendly
Touch operation
Screen tech TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 96 percent -
Viewfinder magnification 0.57x -
Min shutter speed 30 secs 4 secs
Max shutter speed 1/6000 secs 1/1000 secs
Continuous shutter rate 6.0fps -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom WB
Image stabilization
Integrated flash
Flash range 12.00 m (at ISO 100) 4.60 m
Flash modes Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync -
External flash
WB bracketing
Max flash synchronize 1/180 secs -
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) 1280 x 720 (15 fps), 848 x 480 (15 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 1280x720 1280x720
Video file format Motion JPEG Motion JPEG
Microphone support
Headphone support
Wireless None None
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 598 gr (1.32 lbs) 155 gr (0.34 lbs)
Physical dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 97 x 54 x 22mm (3.8" x 2.1" x 0.9")
DXO scores
DXO Overall score 72 not tested
DXO Color Depth score 22.9 not tested
DXO Dynamic range score 12.4 not tested
DXO Low light score 755 not tested
Battery life 470 images -
Type of battery Battery Pack -
Battery model D-LI109,4 x AA -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC SD/SDHC, Internal
Card slots Single Single
Cost at release $1,100 $200