Canon T7i vs Pentax K-x

Canon EOS Rebel T7i front
Pentax K-x front

Canon T7i vs Pentax K-x Key Specs

Canon T7i
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600 (Expand to 51200)
  • 1920 x 1080 video
  • Canon EF/EF-S Mount
  • 532g - 131 x 100 x 76mm
  • Launched February 2017
  • Alternate Name is EOS 800D / Kiss X9i
  • Replaced the Canon T6i
  • Updated by Canon T8i
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 Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Launched December 2009
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Canon T7i vs Pentax K-x Overview

Its time to look much closer at the Canon T7i and Pentax K-x, both Entry-Level DSLR digital cameras by companies Canon and Pentax. There is a crucial difference between the image resolutions of the T7i (24MP) and K-x (12MP) but both cameras offer the same sensor measurements (APS-C).

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The T7i was brought out 7 years later than the K-x and that is quite a serious gap as far as tech is concerned. Both cameras have different body design with the Canon T7i being a Mid-size SLR camera and the Pentax K-x being a Compact SLR camera.

Before delving straight to a more detailed comparison, here is a concise synopsis of how the T7i matches up versus the K-x for portability, imaging, features and an overall grade.

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Reasons to pick Canon T7i over the Pentax K-x

 T7i K-x 
LaunchedFebruary 2017December 2009More recent by 88 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution1040k230kCrisper display (+810k dot)
Selfie screen Take selfies
Touch display Easily navigate

Reasons to pick Pentax K-x over the Canon T7i

 K-x T7i 

Common features in the Canon T7i and Pentax K-x

 T7i K-x 
Manual focus More precise focusing

Canon T7i vs Pentax K-x Physical Comparison

For those who are aiming to lug around your camera often, you're going to have to consider its weight and proportions. The Canon T7i has external dimensions of 131mm x 100mm x 76mm (5.2" x 3.9" x 3.0") with a weight of 532 grams (1.17 lbs) whilst the Pentax K-x has measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs).

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Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at the time. Below is a front view scale comparison of the T7i and the K-x.

Canon T7i vs Pentax K-x size comparison

Looking at size and weight, the portability rating of the T7i and K-x is 67 and 69 respectively.

Canon T7i vs Pentax K-x top view buttons comparison

Canon T7i vs Pentax K-x Sensor Comparison

Often, its difficult to imagine the gap between sensor measurements purely by going over specifications. The graphic here will provide you a better sense of the sensor dimensions in the T7i and K-x.

Plainly, each of these cameras have the same sensor dimensions but different resolution. You should expect to see the Canon T7i to offer more detail having its extra 12MP. Greater resolution will let you crop photos a bit more aggressively. The more modern T7i should have an advantage when it comes to sensor tech.

Canon T7i vs Pentax K-x sensor size comparison

Canon T7i vs Pentax K-x Screen and ViewFinder

Canon T7i vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon T7i Portrait photography details
Pentax K-x Portrait photography details
manual focus
megapixel count good (24MP)
sensor size is nice (APS-C)
features face detect autofocus
delivers RAW files
has manual focus
sensor size is good (APS-C)
has face detect autofocus
supports RAW formats
sensor resolution low (12MP)
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Street Comparison

Canon T7i as a Street photography camera
Pentax K-x as a Street photography camera
fully articulated screen
sensor size is nice (APS-C)
delivers RAW files
provides focus via touch
very good ISO range (25,600)
lack of image stabilization
built in image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
fixed screen
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Sports Comparison

Sports photography with Canon T7i
Sports photography with Pentax K-x
megapixel count good (24MP)
sensor size is nice (APS-C)
features tracking focus
comes with phase detect autofocus
continuous shooting slow (6.0 frames per second)
lack of image stabilization
great max shutter speed (1/6,000 seconds)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
good battery pack (1,900 shots)
supports phase detect autofocus
slow continuous shooting (5.0 fps)
sensor resolution low (12 megapixels)
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Travel Comparison

Travel photography with Canon T7i
Travel photography with Pentax K-x
supports bluetooth
provides focus via touch
megapixel count good (24 megapixels)
flash built-in
screen is selfie friendly
good battery pack (1,900 shots)
built-in flash
missing Timelapse recording
sensor resolution low (12 megapixels)
does not have a selfie friendly display
Coronavirus is affecting the sensor business

Landscape Comparison

Canon T7i as a Landscape photography camera
Pentax K-x as a Landscape photography camera
manual focus
switch lenses (Canon EF/EF-S mount)
screen size is good (3")
megapixel count good (24 megapixels)
sensor size is nice (APS-C)
very good ISO range (25,600)
delivers RAW files
lack of image stabilization
has manual focus
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
good battery pack (1,900 shots)
small screen (2.7 inches)
sensor resolution low (12 megapixels)
missing Timelapse recording
400 Megapixel mode coming to Fujifilm GFX 100

Vlogging Comparison

Canon T7i Vlogging advice
Pentax K-x Vlogging advice
screen is selfie friendly
has touchscreen
features face detect autofocus
video resolution high (1920 x 1080 pxls)
does have microphone port
lack of image stabilization
built in image stabilization (Sensor based)
has face detect autofocus
does not have a selfie friendly display
video resolution low (1280 x 720 resolution)
missing microphone support
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Canon T7i vs Pentax K-x Specifications

Detailed spec comparison table for Canon T7i and Pentax K-x
 Canon EOS Rebel T7iPentax K-x
General Information
Make Canon Pentax
Model type Canon EOS Rebel T7i Pentax K-x
Also called as EOS 800D / Kiss X9i -
Category Entry-Level DSLR Entry-Level DSLR
Launched 2017-02-15 2009-12-23
Physical type Mid-size SLR Compact SLR
Sensor Information
Processor DIGIC 7 Prime
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 22.3 x 14.9mm 23.6 x 15.8mm
Sensor surface area 332.3mm² 372.9mm²
Sensor resolution 24MP 12MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Peak resolution 6000 x 4000 4288 x 2848
Highest native ISO 25600 6400
Highest enhanced ISO 51200 12800
Min native ISO 100 100
RAW pictures
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 45 11
Lens mount type Canon EF/EF-S Pentax KAF2
Available lenses 326 151
Focal length multiplier 1.6 1.5
Type of display Fully Articulated Fixed Type
Display sizing 3 inch 2.7 inch
Display resolution 1,040k dots 230k dots
Selfie friendly
Touch friendly
Display tech - TFT LCD monitor
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95 percent 96 percent
Viewfinder magnification 0.51x 0.57x
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/6000s
Continuous shutter rate 6.0fps 5.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 12.00 m (at ISO 100) 16.00 m
Flash options - Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
WB bracketing
Max flash synchronize 1/200s 1/180s
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 @ 60p / 60 Mbps, MOV, H.264, Linear PCM 1280 x 720 (24 fps), 640 x 416 (24 fps)
Highest video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
Microphone support
Headphone support
Wireless Built-In None
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 532 grams (1.17 lbs) 580 grams (1.28 lbs)
Physical dimensions 131 x 100 x 76mm (5.2" x 3.9" x 3.0") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO Overall rating not tested 72
DXO Color Depth rating not tested 22.8
DXO Dynamic range rating not tested 12.5
DXO Low light rating not tested 811
Battery life 600 pictures 1900 pictures
Battery style Battery Pack Battery Pack
Battery ID - 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC (UHS-I compatible) SD/SDHC card
Card slots 1 1
Price at release $749 $600