Pentax K-3 vs Canon R5

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Pentax K-3 vs Canon R5

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APS-C 366.6mm²
24.4 megapixels
ISO 100 - 51,200

Go in depth with our full Pentax K-3 Review.
How does it shoot? Pentax K-3 in the real world.
See real-world photos taken with the K-3.
Compare Pentax K-3 image quality against competitors.
What’s the bottom line? Read our Pentax K-3 conclusion.

35mm 864.0mm²
45.0 megapixels
ISO 100 - 51,200

Go in depth with our full Canon R5 Review.
See real-world photos taken with the R5.

Succeeded by the Pentax K-3 II
Compare K-3 vs K-3 II
Compare Pentax K-3 II vs Canon R5

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Differences

Pentax K-3 advantages over Canon R5

Longer stills battery life
More info

Longer stills battery life

Cameras with longer battery life can take more photos before exhausting their batteries.

Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

560 vs 320 shots
Capture more photos
More telephoto lens reach
203 mm vs 105 mm
Capture objects farther away with the kit lens
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Optional anti-aliasing filter
Optional vs Fixed
Lets you choose sharper photos or reduced moiré

Canon R5 advantages over Pentax K-3

Larger sensor
35mm vs APS-C
More sensor area. Bigger is (generally) better.
Tilt-swivel screen
Tilt-swivel vs none
Tilt and swivel the screen for maximum shooting flexibility
Shoot 4K video
No vs 1080p
Make sure you have a fast computer
Touchscreen
Touch vs No touch
Interact with your camera just like your smartphone
Built-in Wi-Fi
Wi-Fi vs None
Share your photos wirelessly
Built-in Bluetooth
Yes vs No
Always-on wireless connectivity
On-sensor phase detect
Yes vs No
Usually improves live view and video AF performance
Newer
4 years vs 11 years old
Newer cameras often support more advanced features
Higher-res screen
700k vs 346k pixels
More detail on the screen lets you judge focus and composition
More viewfinder magnification
0.76x vs 0.63x
Get a bigger view of the scene through the eye-level viewfinder
More pixels
45.0 vs 24.4 megapixels
Higher resolution photos
Wider angle kit lens
24 mm vs 27 mm
Capture more of the scene with the included lens
Slow-motion videos
Yes vs No
Shoot slow-motion videos
Higher extended ISO
102400 vs 51200 ISO
Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

Focus peaking
Both provide
Your camera will highlight what's in focus
Eye-level viewfinder
Both provide
You'll be able to frame photos even when the sun is out
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
Top deck display
Both provide
Check settings with a screen on top of the camera
External Mic Jack
Both provide
Improved sound fidelity when shooting video
HDMI out
Both provide
Use HDMI output to monitor or review video
Hot shoe
Both provide
Off-camera flashes open new possibilities
Dual card slots
Both provide
Gives you more storage flexibility
Headphone jack
Both provide
Monitor audio recording while you shoot video
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

In-camera panoramas
Neither provide
Stitches multiple shots into a panoramic photo
NFC
Neither provide
Simplifies pairing your camera with supported phones
Built-in GPS
Neither provide
Geotag your photos

User reviews

Amazon
Adorama
Read K-3 User Reviews

Amazon
Adorama
Read R5 User Reviews

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Buy the Pentax K-3

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Kit with 18-135mm Lens

All K-3 Deals

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Buy the Canon R5

Body Only

Body Only
Kit with RF 24-105mm f/4 L

All R5 Deals

Review Excerpt

Top-notch image quality; Great ergonomics in a compact body; Unique on-demand low-pass filtering; Broad sensitivity range; Large and bright viewfinder for an APS-C camera; Dual card slots; Optional Wi-Fi remote control
AE Lock button is poorly located; Below-average battery life for a DSLR; Rather dated-looking menu system; Requires a different battery grip accessory than its predecessors; Less third-party support than some rivals
Read our Pentax K-3 Review

We haven’t finished our review of the Canon R5, but we have extensive sample photos and a hands-on report.
Read our Canon R5 Shooter's Report

The Competition

Compared to Nikon D7100

Pentax K-3

Nikon D7100

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$750
APS-C

Fast startup
Longer stills battery life

Compare Pentax K-3 vs Nikon D7100

Canon R5

Nikon D7100

$3349
35mm

Tilt-swivel screen
Focus peaking

$750
APS-C

Less expensive
Longer stills battery life

Compare Canon R5 vs Nikon D7100

Compared to Nikon D5300

Pentax K-3

Nikon D5300

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$549
APS-C

Tilt-swivel screen
Fast startup

Compare Pentax K-3 vs Nikon D5300

Canon R5

Nikon D5300

$3349
35mm

Focus peaking
Larger sensor

$549
APS-C

Less expensive
Built-in GPS

Compare Canon R5 vs Nikon D5300

Compared to Nikon D7200

Pentax K-3

Nikon D7200

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$1021
APS-C

Fast startup
Built-in Wi-Fi

Compare Pentax K-3 vs Nikon D7200

Canon R5

Nikon D7200

$3349
35mm

Focus peaking
Larger sensor

$1021
APS-C

Less expensive
NFC

Compare Canon R5 vs Nikon D7200

Compared to Nikon Z7 II

Pentax K-3

Nikon Z7 II

$699
APS-C

More telephoto lens reach
Internal flash

$2330
35mm

Larger sensor
Shoot 4K video

Compare Pentax K-3 vs Nikon Z7 II

Canon R5

Nikon Z7 II

$3349
35mm

Tilt-swivel screen
More telephoto lens reach

$2330
35mm

Less expensive
Lacks anti-aliasing filter

Compare Canon R5 vs Nikon Z7 II

Compared to Sony A1

Pentax K-3

Sony A1

$699
APS-C

Lens selection
Internal flash

$5498
35mm

Larger sensor
Shoot 4K video

Compare Pentax K-3 vs Sony A1

Canon R5

Sony A1

$3349
35mm

Less expensive
Tilt-swivel screen

$5498
35mm

Slower slow-motion
NFC

Compare Canon R5 vs Sony A1

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