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Pentax K-7 vs Pentax K-x

Portability
60
Imaging
54
Features
69
Overall
60
Pentax K-7 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Pentax K-7 vs Pentax K-x Key Specs

Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 2000 (Boost to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Revealed October 2009
  • Updated by Pentax K-5
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Increase 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
Photography Glossary

Pentax K-7 vs Pentax K-x Overview

Below is a extended review of the Pentax K-7 versus Pentax K-x, former being a Advanced DSLR while the other is a Entry-Level DSLR and they are both produced by Pentax. There is a noticeable difference between the sensor resolutions of the K-7 (15MP) and K-x (12MP) but they possess the same exact sensor sizes (APS-C).

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The K-7 was released 2 months prior to the K-x which means that they are both of a similar age. Each of the cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Pentax K-x being a Compact SLR camera.

Before going in to a more detailed comparison, below is a quick summation of how the K-7 grades versus the K-x with regards to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-7 over the Pentax K-x

 K-7 K-x 
Display sizing3"2.7"Larger display (+0.3")
Display resolution921k230kSharper display (+691k dot)

Reasons to pick Pentax K-x over the Pentax K-7

 K-x K-7 

Common features in the Pentax K-7 and Pentax K-x

 K-7 K-x 
ReleasedOctober 2009December 2009Similar age
Manual focus Very exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither has selfie screen
Touch friendly display Absent Touch friendly display

Pentax K-7 vs Pentax K-x Physical Comparison

For anybody who is going to lug around your camera frequently, you'll have to think about its weight and measurements. The Pentax K-7 has outer measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs) and the Pentax K-x has proportions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs).

Contrast the Pentax K-7 versus Pentax K-x in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary depending on the lens you are utilizing at that time. The following is the front view sizing comparison of the K-7 versus the K-x.

Pentax K-7 vs Pentax K-x size comparison

Taking into account size and weight, the portability score of the K-7 and K-x is 60 and 69 respectively.

Pentax K-7 vs Pentax K-x top view buttons comparison

Pentax K-7 vs Pentax K-x Sensor Comparison

Oftentimes, it can be difficult to see the gap between sensor measurements merely by going over specs. The graphic below may give you a stronger sense of the sensor sizing in the K-7 and K-x.

All in all, both cameras offer the same exact sensor sizing but not the same MP. You can anticipate the Pentax K-7 to offer you more detail as a result of its extra 3 Megapixels. Greater resolution will also make it easier to crop photos a little more aggressively.

Pentax K-7 vs Pentax K-x sensor size comparison

Pentax K-7 vs Pentax K-x Screen and ViewFinder

Pentax K-7 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-7 Portrait photography advice
Pentax K-x Portrait photography advice
72
you can focus manually
decent MP (15 megapixels)
decent sensor size (APS-C)
has face detection focus
delivers RAW formats
63
has manual focus
sensor size is nice (APS-C)
has face detection focusing
exports RAW formats
MP count low (12MP)
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Street Comparison

Pentax K-7 Street photography information
Pentax K-x Street photography information
66
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
weather sealing
screen is fixed
67
image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW formats
screen does not articulate
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Sports Comparison

Pentax K-7 as a Sports photography camera
Pentax K-x as a Sports photography camera
69
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based)
decent MP (15 megapixels)
decent sensor size (APS-C)
weather sealing
sensor has phase detect auto focus
max frames per second very slow (5.0 frames per second)
61
max shutter speed is good (1/6,000 seconds)
image stabilization (Sensor based)
sensor size is nice (APS-C)
good battery power (1,900 per charge)
sensor has phase detect AF
low frames per second (5.0 fps)
MP count low (12MP)
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Travel Comparison

Pentax K-7 Travel photography info
Pentax K-x Travel photography info
64
weather sealing
decent MP (15MP)
built-in flash
screen is not selfie friendly
54
good battery power (1,900 CIPA)
flash built-in
missing Time Lapse mode
MP count low (12MP)
display is not selfie friendly
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Landscape Comparison

Pentax K-7 Landscape photography advice
Pentax K-x Landscape photography advice
77
you can focus manually
swap lenses (Pentax KAF2 mount)
decent sized screen (3 inch)
built in image stabilization (Sensor based)
decent MP (15MP)
decent sensor size (APS-C)
delivers RAW formats
weather sealing
61
has manual focus
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW formats
good battery power (1,900 CIPA)
screen is somewhat small (2.7 inch)
MP count low (12 megapixels)
missing Time Lapse mode
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Vlogging Comparison

Pentax K-7 Vlogging features
Pentax K-x Vlogging features
25
built in image stabilization (Sensor based)
has face detection focus
screen is not selfie friendly
video quality not great (1280 x 720 resolution)
no external microphone port
27
image stabilization (Sensor based)
has face detection focusing
display is not selfie friendly
video resolution low (1280 x 720 resolution)
missing external mic port
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Pentax K-7 vs Pentax K-x Specifications

Detailed spec comparison table for Pentax K-7 and Pentax K-x
 Pentax K-7Pentax K-x
General Information
Brand Pentax Pentax
Model type Pentax K-7 Pentax K-x
Category Advanced DSLR Entry-Level DSLR
Revealed 2009-10-02 2009-12-23
Body design Mid-size SLR Compact SLR
Sensor Information
Powered by Prime II Prime
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.4 x 15.6mm 23.6 x 15.8mm
Sensor area 365.0mm² 372.9mm²
Sensor resolution 15MP 12MP
Anti alias filter
Aspect ratio 3:2 3:2
Highest resolution 4672 x 3104 4288 x 2848
Highest native ISO 2000 6400
Highest boosted ISO 6400 12800
Lowest native ISO 100 100
RAW files
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 11
Lens
Lens mount type Pentax KAF2 Pentax KAF2
Number of lenses 151 151
Crop factor 1.5 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 3" 2.7"
Resolution of display 921k dot 230k dot
Selfie friendly
Liveview
Touch screen
Display technology TFT color LCD with AR coating TFT LCD monitor
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.61x 0.57x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/6000 seconds
Continuous shooting speed 5.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance 13.00 m 16.00 m
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
AEB
White balance bracketing
Highest flash sync 1/180 seconds 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Highest video resolution 1280x720 1280x720
Video data format Motion JPEG Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 750 gr (1.65 pounds) 580 gr (1.28 pounds)
Dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO All around rating 61 72
DXO Color Depth rating 22.6 22.8
DXO Dynamic range rating 10.6 12.5
DXO Low light rating 536 811
Other
Battery life 980 shots 1900 shots
Battery form Battery Pack Battery Pack
Battery ID D-LI90 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse recording
Type of storage SD/SDHC/MMC SD/SDHC card
Storage slots Single Single
Cost at launch $599 $600