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Pentax X70 vs Sony RX10 III

Portability
71
Imaging
35
Features
34
Overall
34
Pentax X70 front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
53
Features
77
Overall
62

Pentax X70 vs Sony RX10 III Key Specs

Pentax X70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 50 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-624mm (F2.8-5.0) lens
  • 410g - 110 x 83 x 90mm
  • Announced March 2009
Sony RX10 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Expand to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1051g - 133 x 94 x 127mm
  • Released March 2016
  • Succeeded the Sony RX10 II
  • Later Model is Sony RX10 IV
Photography Glossary

Pentax X70 vs Sony RX10 III Overview

Here is a thorough analysis of the Pentax X70 and Sony RX10 III, former being a Small Sensor Superzoom while the latter is a Large Sensor Superzoom by competitors Pentax and Sony. There exists a considerable gap among the sensor resolutions of the X70 (12MP) and RX10 III (20MP) and the X70 (1/2.3") and RX10 III (1") feature totally different sensor measurements.

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The X70 was launched 8 years earlier than the RX10 III and that is a fairly large difference as far as camera technology is concerned. Both cameras offer the identical body type (SLR-like (bridge)).

Before diving in to a step-by-step comparison, below is a brief overview of how the X70 matches up versus the RX10 III in terms of portability, imaging, features and an overall rating.

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Reasons to pick Pentax X70 over the Sony RX10 III

 X70 RX10 III 

Reasons to pick Sony RX10 III over the Pentax X70

 RX10 III X70 
ReleasedMarch 2016March 2009Fresher by 86 months
Screen typeTiltingFixed Tilting screen
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution1229k230kClearer screen (+999k dot)

Common features in the Pentax X70 and Sony RX10 III

 X70 RX10 III 
Manual focus Dial accurate focusing
Selfie screen Lacking selfie screen
Touch screen Lacking Touch screen

Pentax X70 vs Sony RX10 III Physical Comparison

For anyone who is going to carry your camera, you have to factor in its weight and measurements. The Pentax X70 features outside dimensions of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") along with a weight of 410 grams (0.90 lbs) while the Sony RX10 III has proportions of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") and a weight of 1051 grams (2.32 lbs).

Analyze the Pentax X70 and Sony RX10 III in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will differ based on the lens you are using at that time. Here is the front view over all size comparison of the X70 against the RX10 III.

Pentax X70 vs Sony RX10 III size comparison

Considering dimensions and weight, the portability grade of the X70 and RX10 III is 71 and 53 respectively.

Pentax X70 vs Sony RX10 III top view buttons comparison

Pentax X70 vs Sony RX10 III Sensor Comparison

More often than not, it can be hard to envision the contrast in sensor sizing only by going through specifications. The photograph here may offer you a better sense of the sensor sizes in the X70 and RX10 III.

To sum up, both the cameras offer different megapixels and different sensor sizing. The X70 because of its smaller sensor will make getting shallow DOF harder and the Sony RX10 III will show more detail utilizing its extra 8MP. Higher resolution will also enable you to crop photographs a little more aggressively. The older X70 will be behind in sensor tech.

Pentax X70 vs Sony RX10 III sensor size comparison

Pentax X70 vs Sony RX10 III Screen and ViewFinder

Pentax X70 vs Sony RX10 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X70 Portrait photography information
Sony RX10 III Portrait photography information
29
manual focus
external flash not possible
low megapixels (12 megapixels)
sensor size is very small (1/2.3")
doesn't have RAW format
71
focusing manually
sensor resolution is decent (20 megapixels)
sensor size is decent (1")
provides face detect focus
delivers RAW formats
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Street Comparison

Pentax X70 Street photography details
Sony RX10 III Street photography details
46
has image stabilization (Sensor-shift)
no moving screen
sensor size is very small (1/2.3")
doesn't have RAW format
64
tilting screen
image stabilization (Optical)
sensor size is decent (1")
delivers RAW formats
environment proofing
heavier than competitors (1,051g)
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Sports Comparison

Pentax X70 as a Sports photography camera
Sony RX10 III as a Sports photography camera
50
amazing zoom range (26-624mm 24.0 x zoom)
has image stabilization (Sensor-shift)
includes tracking focus
supports phase detect autofocus
low megapixels (12 megapixels)
sensor size is very small (1/2.3")
70
great zoom range (24-600mm 25.0 x zoom)
silent mode (1/32,000s)
image stabilization (Optical)
sensor resolution is decent (20MP)
sensor size is decent (1")
provides tracking focus
environment proofing
great battery life (420 shots)
does not have phase detect auto focus
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Travel Comparison

Pentax X70 Travel photography details
Sony RX10 III Travel photography details
52
flash built-in
really wide (26mm)
great reach (624mm)
no Timelapse function
low megapixels (12MP)
does not have selfie friendly screen
somewhat slow max aperture (f2.8)
55
great battery life (420 CIPA)
environment proofing
sensor resolution is decent (20 megapixels)
flash built-in
pretty wide (24mm)
great reach (600mm)
lack of Time Lapse recording
heavier than competitors (1,051 grams)
screen is not selfie friendly
slow max aperture (f2.4)
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Landscape Comparison

Pentax X70 Landscape photography features
Sony RX10 III Landscape photography features
36
manual focus
really wide (26mm)
has image stabilization (Sensor-shift)
can't switch lenses (fixed lens mount)
somewhat slow max aperture (f2.8)
tiny screen (2.7")
low megapixels (12 megapixels)
sensor size is very small (1/2.3")
doesn't have RAW format
no Timelapse function
64
focusing manually
pretty wide (24mm)
nice screen size (3")
image stabilization (Optical)
sensor resolution is decent (20MP)
sensor size is decent (1")
delivers RAW formats
environment proofing
great battery life (420 CIPA)
fixed lens (fixed lens mount)
slow max aperture (f2.4)
lack of Time Lapse recording
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Vlogging Comparison

Pentax X70 Vlogging info
Sony RX10 III Vlogging info
24
really wide (26mm)
has image stabilization (Sensor-shift)
somewhat slow max aperture (f2.8)
does not have selfie friendly screen
video resolution low (1280 x 720 pixels)
no microphone jack
28
pretty wide (24mm)
image stabilization (Optical)
provides face detect focus
video resolution high (3840 x 2160 pixels)
comes with mic support
slow max aperture (f2.4)
screen is not selfie friendly
heavier than competitors (1,051 grams)
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Pentax X70 vs Sony RX10 III Specifications

Detailed spec comparison table for Pentax X70 and Sony RX10 III
 Pentax X70Sony Cyber-shot DSC-RX10 III
General Information
Manufacturer Pentax Sony
Model type Pentax X70 Sony Cyber-shot DSC-RX10 III
Class Small Sensor Superzoom Large Sensor Superzoom
Announced 2009-03-02 2016-03-29
Physical type SLR-like (bridge) SLR-like (bridge)
Sensor Information
Processor - Bionz X
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" 1"
Sensor dimensions 6.17 x 4.55mm 13.2 x 8.8mm
Sensor surface area 28.1mm² 116.2mm²
Sensor resolution 12 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Max resolution 4000 x 3000 5472 x 3648
Max native ISO 6400 12800
Max enhanced ISO - 25600
Minimum native ISO 50 125
RAW support
Minimum enhanced ISO - 64
Autofocusing
Manual focusing
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
Total focus points 9 25
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 26-624mm (24.0x) 24-600mm (25.0x)
Maximum aperture f/2.8-5.0 f/2.4-4.0
Macro focusing distance 10cm 3cm
Focal length multiplier 5.8 2.7
Screen
Screen type Fixed Type Tilting
Screen size 2.7" 3"
Screen resolution 230 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.7x
Features
Minimum shutter speed 4s 30s
Fastest shutter speed 1/4000s 1/2000s
Fastest silent shutter speed - 1/32000s
Continuous shutter rate - 14.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash distance 9.10 m 10.80 m (at Auto ISO)
Flash modes - Auto, fill-flash, slow sync, rear sync, off
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30 fps), 848 x 480 (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)
Max video resolution 1280x720 3840x2160
Video data format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic support
Headphone support
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 410 gr (0.90 lb) 1051 gr (2.32 lb)
Dimensions 110 x 83 x 90mm (4.3" x 3.3" x 3.5") 133 x 94 x 127mm (5.2" x 3.7" x 5.0")
DXO scores
DXO Overall rating not tested 70
DXO Color Depth rating not tested 23.1
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 472
Other
Battery life - 420 images
Battery style - Battery Pack
Battery ID D-LI92 NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, continuous)
Time lapse shooting
Storage type SD/SDHC, Internal SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots One One
Launch cost $200 $1,398