Pentax K-3 vs Ricoh GR III

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Pentax K-3 vs Ricoh GR III

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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.

APS-C 366.6mm²
24.2 megapixels
28.00mm (35mm eq.)

Go in depth with our full Ricoh GR III Review.
How does it shoot? Ricoh GR III in the real world.
See real-world photos taken with the GR III.

Succeeded by the Pentax K-3 II
Compare K-3 vs K-3 II
Compare Pentax K-3 II vs Ricoh GR III

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Differences

Pentax K-3 advantages over Ricoh GR III

Focus peaking
Peaker vs Non-peaker
Your camera will highlight what's in focus
Eye-level viewfinder
Eye-level vs Rear display only
You'll be able to frame photos even when the sun is out
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 200 shots
Capture more photos
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Top deck display
Yes vs No
Check settings with a screen on top of the camera
External Mic Jack
Jack vs No jack
Improved sound fidelity when shooting video
HDMI out
HDMI out vs None
Use HDMI output to monitor or review video
Dual card slots
Yes vs No
Gives you more storage flexibility
Headphone jack
Yes vs No
Monitor audio recording while you shoot video
Faster JPEG shooting
7.1 fps vs 4.3 fps
Faster JPEG shooting (burst mode)
Faster RAW shooting
7.1 fps vs 4.1 fps
Faster RAW shooting in burst mode
Bigger RAW buffer
24 vs 9 shots
Larger buffer for RAW shots (burst mode)
Faster shutter
1/8000 vs 1/4000 sec
Shoot wide open in bright light

Ricoh GR III advantages over Pentax K-3

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
Integrated ND filter
Yes vs No
Shoot in daylight with a large aperture or slow shutter
Thinner
33 mm vs 77 mm
Thinner
Newer
6 years vs 11 years old
Newer cameras often support more advanced features
Longer exposure
1200 vs 30 sec
Long exposures for night shots
Bigger JPEG buffer
Unlimited vs 75 shots
Take more JPEG shots before waiting (burst mode)
Higher extended ISO
102400 vs 51200 ISO
Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

Rear display
Both provide
Review photos on the back of the camera
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
RAW file ability
Both provide
Gives you more flexibility to develop your photos later
Manual focus
Both provide
AF is for the weak. Real photographers focus manually.
Hot shoe
Both provide
Off-camera flashes open new possibilities
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

Tilt-swivel screen
Neither provide
Tilt and swivel the screen for maximum shooting flexibility
In-camera panoramas
Neither provide
Stitches multiple shots into a panoramic photo
Tiltable Screen
Neither provide
Tilt the screen for shooting flexbility
NFC
Neither provide
Simplifies pairing your camera with supported phones
Built-in GPS
Neither provide
Geotag your photos
Slow-motion videos
Neither provide
Shoot slow-motion videos

User reviews

Amazon
Adorama
Read K-3 User Reviews

Amazon
Adorama
Read GR III User Reviews

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Buy the Pentax K-3

Body Only

Body Only
Kit with 18-135mm Lens

All K-3 Deals

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Buy the Ricoh GR III

Ricoh GR III

All GR III 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 Ricoh GR III, but we have extensive sample photos and a hands-on report.
Read our Ricoh GR III Shooter's Report

The Competition

Compared to Nikon D7100

Pentax K-3

Nikon D7100

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$745
APS-C

Fast startup
Longer stills battery life

Compare Pentax K-3 vs Nikon D7100

Ricoh GR III

Nikon D7100

$984
APS-C

In-Camera Image Stabilization
Touchscreen

$745
APS-C

Eye-level viewfinder
Fast startup

Compare Ricoh GR III vs Nikon D7100

Compared to Canon 70D

Pentax K-3

Canon 70D

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$1149
APS-C

Tilt-swivel screen
Touchscreen

Compare Pentax K-3 vs Canon 70D

Ricoh GR III

Canon 70D

$984
APS-C

In-Camera Image Stabilization
Built-in Bluetooth

$1149
APS-C

Tilt-swivel screen
Eye-level viewfinder

Compare Ricoh GR III vs Canon 70D

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

Ricoh GR III

Nikon D5300

$984
APS-C

In-Camera Image Stabilization
Touchscreen

$549
APS-C

Less expensive
Tilt-swivel screen

Compare Ricoh GR III vs Nikon D5300

Compared to Sony A77 II

Pentax K-3

Sony A77 II

$699
APS-C

Lens selection
More telephoto lens reach

$1198
APS-C

Tilt-swivel screen
In-camera panoramas

Compare Pentax K-3 vs Sony A77 II

Ricoh GR III

Sony A77 II

$984
APS-C

Less expensive
Touchscreen

$1198
APS-C

Tilt-swivel screen
Focus peaking

Compare Ricoh GR III vs Sony A77 II

Compared to Nikon D7200

Pentax K-3

Nikon D7200

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$1016
APS-C

Fast startup
Built-in Wi-Fi

Compare Pentax K-3 vs Nikon D7200

Ricoh GR III

Nikon D7200

$984
APS-C

Less expensive
In-Camera Image Stabilization

$1016
APS-C

Eye-level viewfinder
Fast startup

Compare Ricoh GR III vs Nikon D7200

Compare Other Cameras?