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Canon G7 X vs Pentax K-3

Portability
88
Imaging
52
Features
75
Overall
61
Canon PowerShot G7 X front
 
Pentax K-3 front
Portability
59
Imaging
66
Features
85
Overall
73

Canon G7 X vs Pentax K-3 Key Specs

Canon G7 X
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-100mm (F1.8-2.8) lens
  • 304g - 103 x 60 x 40mm
  • Introduced September 2014
  • New Model is Canon G7 X MII
Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Launched April 2014
  • Successor is Pentax K-3 II
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Canon G7 X vs Pentax K-3 Overview

Its time to take a closer look at the Canon G7 X versus Pentax K-3, one being a Large Sensor Compact and the other is a Advanced DSLR by companies Canon and Pentax. The sensor resolution of the G7 X (20MP) and the K-3 (24MP) is very close but the G7 X (1") and K-3 (APS-C) posses different sensor measurements.

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The G7 X was released 6 months later than the K-3 which means that they are both of a similar generation. Both the cameras have different body design with the Canon G7 X being a Large Sensor Compact camera and the Pentax K-3 being a Mid-size SLR camera.

Before getting right into a more detailed comparison, here is a concise summary of how the G7 X scores vs the K-3 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Canon G7 X over the Pentax K-3

 G7 X K-3 
Display typeTiltingFixed Tilting display
Display resolution1040k1037kCrisper display (+3k dot)
Selfie screen Take selfies
Touch friendly display Easily navigate

Reasons to pick Pentax K-3 over the Canon G7 X

 K-3 G7 X 
Display dimensions3.2"3"Larger display (+0.2")

Common features in the Canon G7 X and Pentax K-3

 G7 X K-3 
LaunchedSeptember 2014April 2014Same generation
Focus manually Very exact focusing

Canon G7 X vs Pentax K-3 Physical Comparison

For anybody who is aiming to carry your camera regularly, you have to take into account its weight and proportions. The Canon G7 X offers physical measurements of 103mm x 60mm x 40mm (4.1" x 2.4" x 1.6") having a weight of 304 grams (0.67 lbs) whilst the Pentax K-3 has measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Compare the Canon G7 X versus Pentax K-3 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with during that time. Following is a front view size comparison of the G7 X and the K-3.

Canon G7 X vs Pentax K-3 size comparison

Considering size and weight, the portability rating of the G7 X and K-3 is 88 and 59 respectively.

Canon G7 X vs Pentax K-3 top view buttons comparison

Canon G7 X vs Pentax K-3 Sensor Comparison

Generally, its difficult to visualize the difference in sensor sizing simply by researching specs. The visual underneath should offer you a much better sense of the sensor measurements in the G7 X and K-3.

As you can plainly see, both cameras provide different megapixel count and different sensor sizing. The G7 X featuring a smaller sensor is going to make shooting shallow DOF more difficult and the Pentax K-3 will render more detail as a result of its extra 4MP. Greater resolution can also enable you to crop photos more aggressively.

Canon G7 X vs Pentax K-3 sensor size comparison

Canon G7 X vs Pentax K-3 Screen and ViewFinder

Canon G7 X vs Pentax K-3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon G7 X as a Portrait photography camera
Pentax K-3 as a Portrait photography camera
64
focusing manually
decent megapixels (20 megapixels)
good sensor size (1")
comes with face detect autofocus
exports RAW formats
no external flash support
79
manual focus
resolution is good (24 megapixels)
decent sensor size (APS-C)
features face detection focusing
supports RAW files
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Street Comparison

Street photography with Canon G7 X
Street photography with Pentax K-3
85
screen tilts
image stabilization (Optical)
good sensor size (1")
exports RAW formats
boasts focus via touch
lighter than average (304 grams)
69
built in image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
weather sealing
good ISO range (51,200)
fixed screen
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Sports Comparison

Canon G7 X Sports photography factors
Pentax K-3 Sports photography factors
56
image stabilization (Optical)
decent megapixels (20MP)
good sensor size (1")
low battery power (210 per charge)
has no phase detect autofocus
76
high shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based)
resolution is good (24 megapixels)
decent sensor size (APS-C)
features tracking autofocus
weather sealing
has phase detect AF
not so great battery pack (560 CIPA)
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Travel Comparison

Canon G7 X Travel photography information
Pentax K-3 Travel photography information
80
lighter than average (304g)
boasts focus via touch
decent megapixels (20 megapixels)
built-in flash
display is selfie friendly
reasonably wide (24mm)
very good max aperture (f1.8)
low battery power (210 shots)
60
weather sealing
resolution is good (24 megapixels)
built-in flash
not so great battery pack (560 shots)
display isn't selfie friendly
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Landscape Comparison

Canon G7 X Landscape photography info
Pentax K-3 Landscape photography info
69
focusing manually
reasonably wide (24mm)
very good max aperture (f1.8)
screen size is decent (3 inches)
image stabilization (Optical)
decent megapixels (20MP)
good sensor size (1")
exports RAW formats
lens is fixed (fixed lens mount)
low battery power (210 shots)
78
manual focus
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3.2 inches)
built in image stabilization (Sensor based)
resolution is good (24 megapixels)
decent sensor size (APS-C)
does not have anti aliasing filter
good ISO range (51,200)
supports RAW files
weather sealing
has dual storage slots
not so great battery pack (560 shots)
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Vlogging Comparison

Canon G7 X Vlogging info
Pentax K-3 Vlogging info
81
reasonably wide (24mm)
very good max aperture (f1.8)
display is selfie friendly
touchscreen capability
image stabilization (Optical)
comes with face detect autofocus
high res video (1920 x 1080 resolution)
lighter than average (304 grams)
no mic port
34
built in image stabilization (Sensor based)
features face detection focusing
high res video (1920 x 1080 pxls)
has external mic jack
display isn't selfie friendly
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Canon G7 X vs Pentax K-3 Specifications

Detailed spec comparison table for Canon G7 X and Pentax K-3
 Canon PowerShot G7 XPentax K-3
General Information
Company Canon Pentax
Model Canon PowerShot G7 X Pentax K-3
Type Large Sensor Compact Advanced DSLR
Introduced 2014-09-15 2014-04-10
Body design Large Sensor Compact Mid-size SLR
Sensor Information
Chip DIGIC 6 Prime III
Sensor type BSI-CMOS CMOS
Sensor size 1" APS-C
Sensor dimensions 13.2 x 8.8mm 23.5 x 15.6mm
Sensor surface area 116.2mm² 366.6mm²
Sensor resolution 20 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 3:2
Peak resolution 5472 x 3648 6016 x 4000
Highest native ISO 12800 51200
Lowest native ISO 125 100
RAW support
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 31 27
Cross focus points - 25
Lens
Lens mount fixed lens Pentax KAF2
Lens focal range 24-100mm (4.2x) -
Maximal aperture f/1.8-2.8 -
Macro focus range 5cm -
Amount of lenses - 151
Crop factor 2.7 1.5
Screen
Display type Tilting Fixed Type
Display diagonal 3" 3.2"
Display resolution 1,040k dot 1,037k dot
Selfie friendly
Liveview
Touch capability
Display technology - TFT LCD monitor
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.64x
Features
Min shutter speed 40s 30s
Max shutter speed 1/2000s 1/8000s
Continuous shutter speed 6.5 frames per second 8.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range 7.00 m 13.00 m (at ISO 100)
Flash modes Auto, on, slow synchro, off Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual
External flash
Auto exposure bracketing
WB bracketing
Max flash sync - 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60p, 30p), 1280 x 720 (30p), 640 x 480 (30p) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Highest video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 304 gr (0.67 lbs) 800 gr (1.76 lbs)
Physical dimensions 103 x 60 x 40mm (4.1" x 2.4" x 1.6") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO Overall score 71 80
DXO Color Depth score 23.0 23.7
DXO Dynamic range score 12.7 13.4
DXO Low light score 556 1216
Other
Battery life 210 photos 560 photos
Style of battery Battery Pack Battery Pack
Battery model NB-13L D-LI90
Self timer Yes (2 0r 10 secs, custom) Yes ( 2 or 12 seconds)
Time lapse shooting
Type of storage SD/SDHC/SDXC (UHS-I compatible) Dual SD/SDHC/SDXC
Storage slots 1 Dual
Cost at release $490 $639