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Pentax K-7 vs Sony RX10 IV

Portability
60
Imaging
54
Features
69
Overall
60
Pentax K-7 front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
53
Features
82
Overall
64

Pentax K-7 vs Sony RX10 IV Key Specs

Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 2000 (Bump to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Introduced October 2009
  • Newer Model is Pentax K-5
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Increase to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Revealed September 2017
  • Older Model is Sony RX10 III
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Pentax K-7 vs Sony RX10 IV Overview

Let's look a bit more closely at the Pentax K-7 vs Sony RX10 IV, former being a Advanced DSLR while the latter is a Large Sensor Superzoom by competitors Pentax and Sony. There exists a sizable gap between the sensor resolutions of the K-7 (15MP) and RX10 IV (20MP) and the K-7 (APS-C) and RX10 IV (1") use different sensor measurements.

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The K-7 was released 9 years prior to the RX10 IV and that is quite a significant difference as far as technology is concerned. Both of the cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before getting in to a thorough comparison, below is a simple summation of how the K-7 grades versus the RX10 IV in regards to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-7 over the Sony RX10 IV

 K-7 RX10 IV 

Reasons to pick Sony RX10 IV over the Pentax K-7

 RX10 IV K-7 
RevealedSeptember 2017October 2009Fresher by 96 months
Screen typeTiltingFixed Tilting screen
Screen resolution1440k921kClearer screen (+519k dot)
Touch screen Quickly navigate

Common features in the Pentax K-7 and Sony RX10 IV

 K-7 RX10 IV 
Manually focus More precise focusing
Screen sizing3"3"Equivalent screen measurements
Selfie screen No selfie screen

Pentax K-7 vs Sony RX10 IV Physical Comparison

For anybody who is aiming to carry your camera frequently, you're going to have to think about its weight and volume. The Pentax K-7 has got exterior dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 750 grams (1.65 lbs) and the Sony RX10 IV has sizing of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") and a weight of 1095 grams (2.41 lbs).

Contrast the Pentax K-7 vs Sony RX10 IV in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary depending on the lens you have at that time. Below is the front view overall size comparison of the K-7 versus the RX10 IV.

Pentax K-7 vs Sony RX10 IV size comparison

Taking into consideration dimensions and weight, the portability rating of the K-7 and RX10 IV is 60 and 52 respectively.

Pentax K-7 vs Sony RX10 IV top view buttons comparison

Pentax K-7 vs Sony RX10 IV Sensor Comparison

Quite often, it's tough to imagine the contrast between sensor sizing simply by reading through specifications. The graphic below may provide you a greater sense of the sensor dimensions in the K-7 and RX10 IV.

To sum up, both cameras offer different megapixel count and different sensor sizing. The K-7 because of its bigger sensor is going to make shooting shallow DOF less difficult and the Sony RX10 IV will resolve extra detail as a result of its extra 5 Megapixels. Higher resolution can also make it easier to crop shots a little more aggressively. The older K-7 is going to be disadvantaged with regard to sensor tech.

Pentax K-7 vs Sony RX10 IV sensor size comparison

Pentax K-7 vs Sony RX10 IV Screen and ViewFinder

Pentax K-7 vs Sony RX10 IV Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-7 as a Portrait photography camera
Sony RX10 IV as a Portrait photography camera
72
you can focus manually
megapixel count decent (15MP)
nice sensor size (APS-C)
offers face detect autofocus
exports RAW files
71
focusing manually
great flash sync speed (1/2,000s)
decent sensor resolution (20MP)
nice sensor size (1")
provides face detection autofocus
exports RAW files
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Street Comparison

Pentax K-7 Street photography information
Sony RX10 IV Street photography information
66
has image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
environment proof
fixed screen
64
has a tilting screen
image stabilization (Optical)
nice sensor size (1")
exports RAW files
supports touch focus
weather proof
heavier than competitors in class (1,095g)
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Sports Comparison

Pentax K-7 Sports photography highlights
Sony RX10 IV Sports photography highlights
69
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
megapixel count decent (15 megapixels)
nice sensor size (APS-C)
environment proof
has phase detect autofocus
painfully slow continuous shooting (5.0 frames/s)
76
great zoom range (24-600mm 25.0 x zoom)
silent shooting (1/32,000s)
max frames per second high (24.0 fps)
image stabilization (Optical)
decent sensor resolution (20MP)
nice sensor size (1")
provides tracking autofocus
weather proof
supports phase detect autofocus
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Travel Comparison

Pentax K-7 as a Travel photography camera
Sony RX10 IV as a Travel photography camera
64
environment proof
megapixel count decent (15MP)
has built in flash
screen isn't selfie friendly
56
weather proof
connects via bluetooth
supports touch focus
decent sensor resolution (20MP)
built-in flash
reasonably wide (24mm)
long zoom (600mm)
doesn't have Time Lapse function
heavier than competitors in class (1,095g)
screen isn't selfie friendly
slow max aperture (f2.4)
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Landscape Comparison

Landscape photography with Pentax K-7
Landscape photography with Sony RX10 IV
77
you can focus manually
swap lenses (Pentax KAF2 mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based)
megapixel count decent (15MP)
nice sensor size (APS-C)
exports RAW files
environment proof
62
focusing manually
reasonably wide (24mm)
decent sized screen (3 inch)
image stabilization (Optical)
decent sensor resolution (20MP)
nice sensor size (1")
exports RAW files
weather proof
fixed lens (fixed lens mount)
slow max aperture (f2.4)
doesn't have Time Lapse function
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Vlogging Comparison

Pentax K-7 as a Vlogging camera
Sony RX10 IV as a Vlogging camera
25
has image stabilization (Sensor based)
offers face detect autofocus
screen isn't selfie friendly
video res low (1280 x 720 resolution)
does not have microphone jack
29
reasonably wide (24mm)
touchscreen enabled
image stabilization (Optical)
provides face detection autofocus
video res high (3840 x 2160 resolution)
comes with external mic socket
slow max aperture (f2.4)
screen isn't selfie friendly
heavier than competitors in class (1,095g)
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Pentax K-7 vs Sony RX10 IV Specifications

Detailed spec comparison table for Pentax K-7 and Sony RX10 IV
 Pentax K-7Sony Cyber-shot DSC-RX10 IV
General Information
Make Pentax Sony
Model Pentax K-7 Sony Cyber-shot DSC-RX10 IV
Category Advanced DSLR Large Sensor Superzoom
Introduced 2009-10-02 2017-09-12
Physical type Mid-size SLR SLR-like (bridge)
Sensor Information
Powered by Prime II Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.4 x 15.6mm 13.2 x 8.8mm
Sensor surface area 365.0mm² 116.2mm²
Sensor resolution 15 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Maximum resolution 4672 x 3104 5472 x 3648
Maximum native ISO 2000 12800
Maximum boosted ISO 6400 25600
Lowest native ISO 100 125
RAW data
Lowest boosted ISO - 64
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 11 315
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 24-600mm (25.0x)
Largest aperture - f/2.4-4.0
Macro focus range - 3cm
Number of lenses 151 -
Crop factor 1.5 2.7
Screen
Type of screen Fixed Type Tilting
Screen size 3" 3"
Resolution of screen 921k dots 1,440k dots
Selfie friendly
Liveview
Touch display
Screen technology TFT color LCD with AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.61x 0.7x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/2000s
Highest silent shutter speed - 1/32000s
Continuous shooting rate 5.0 frames per sec 24.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 13.00 m 10.80 m (at Auto ISO)
Flash modes Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless Auto, fill-flash, slow sync, rear sync, off
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/180s 1/2000s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 1280x720 3840x2160
Video format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 750g (1.65 lbs) 1095g (2.41 lbs)
Dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO All around score 61 not tested
DXO Color Depth score 22.6 not tested
DXO Dynamic range score 10.6 not tested
DXO Low light score 536 not tested
Other
Battery life 980 pictures 400 pictures
Battery type Battery Pack Battery Pack
Battery model D-LI90 NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, continuous)
Time lapse feature
Type of storage SD/SDHC/MMC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Price at launch $599 $1,698