Pentax K-1 vs Panasonic G100

Cameras
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Pentax K-1 vs Panasonic G100

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35mm 861.6mm²
36.4 megapixels
ISO 100 - 204,800

Go in depth with our full Pentax K-1 Review.
How does it shoot? Pentax K-1 in the real world.
See real-world photos taken with the K-1.
Compare Pentax K-1 image quality against competitors.
What’s the bottom line? Read our Pentax K-1 conclusion.

4/3 224.9mm²
20.3 megapixels
ISO 200 - 25,600

Go in depth with our full Panasonic G100 Review.
See real-world photos taken with the G100.

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Differences

Pentax K-1 advantages over Panasonic G100

Larger sensor
35mm vs 4/3
More sensor area. Bigger is (generally) better.
In-Camera Image Stabilization
Yes vs No
Reduces the effects of camera shake at slower shutter speeds
Bigger pixels
~ 4.88 vs 3.34 microns
Better low-light and dynamic range (all else equal)
High resolution composite
Yes vs No
Combine multiple shots to form a super hi-res version
Built-in GPS
GPS vs None
Geotag your photos
Top deck display
Yes vs No
Check settings with a screen on top of the camera
More pixels
36.4 vs 20.3 megapixels
Higher resolution photos
Dual card slots
Yes vs No
Gives you more storage flexibility
Headphone jack
Yes vs No
Monitor audio recording while you shoot video
Optional anti-aliasing filter
Optional vs None
Lets you choose sharper photos or reduced moiré
Higher extended ISO
204800 vs 25600 ISO
Higher extended ISO can give more low-light flexibility

Panasonic G100 advantages over Pentax K-1

Tilt-swivel screen
Tilt-swivel vs tilt-only
Tilt and swivel the screen for maximum shooting flexibility
Shoot 4K video
4K (UHD) vs 1080p
Make sure you have a fast computer
Touchscreen
Touch vs No touch
Interact with your camera just like your smartphone
In-camera panoramas
Yes vs No
Stitches multiple shots into a panoramic photo
Built-in Bluetooth
Yes vs No
Always-on wireless connectivity
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Thinner
54 mm vs 85 mm
Thinner
Newer
4 years vs 9 years old
Newer cameras often support more advanced features
More dots on screen
1840k vs 1037k dots
Can mean greater resolution or a brighter screen
Longer exposure
60 vs 30 sec
Long exposures for night shots
Slow-motion videos
Yes vs No
Shoot slow-motion videos
Faster shutter
1/16000 vs 1/8000 sec
Shoot wide open in bright light

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
Built-in Wi-Fi
Both provide
Share your photos wirelessly
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
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

NFC
Neither provide
Simplifies pairing your camera with supported phones
On-sensor phase detect
Neither provide
Usually improves live view and video AF performance

User reviews

Amazon
Adorama
Read K-1 User Reviews

Amazon
Adorama
Read G100 User Reviews

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Review Excerpt

Unlocks the full potential of full-frame Pentax lenses; Excellent image quality; Great ergonomics and build; Very compact for full-frame; Decent performance; Fast autofocus with great low-light capabilities; Very wide sensitivity range; Bright, accurate viewfinder; Articulated LCD; Stabilization, Wi-Fi and GPS in-camera
No built-in flash strobe; Quite heavy compared to APS-C flagships; Somewhat soft images and blown highlights by default in JPEG mode; Warm Auto white balance indoors; Slow startup and buffer clearing; Small top-deck status display; Weak viewfinder illumination; Below-average battery life for DSLR
Read our Pentax K-1 Review

We haven’t reviewed the Panasonic G100.
Read our Panasonic G100 Hands-On Preview

The Competition

Compared to Canon 5DS

Pentax K-1

Canon 5DS

$1800
35mm

Focus peaking
In-Camera Image Stabilization

$1549
35mm

Fast startup
More cross-type AF points

Compare Pentax K-1 vs Canon 5DS

Panasonic G100

Canon 5DS

$599
4/3

Focus peaking
Less expensive

$1549
35mm

Larger sensor
Bigger pixels

Compare Panasonic G100 vs Canon 5DS

Compared to Canon 5DS R

Pentax K-1

Canon 5DS R

$1800
35mm

Focus peaking
In-Camera Image Stabilization

$1729
35mm

Fast startup
More cross-type AF points

Compare Pentax K-1 vs Canon 5DS R

Panasonic G100

Canon 5DS R

$599
4/3

Focus peaking
Less expensive

$1729
35mm

Larger sensor
Bigger pixels

Compare Panasonic G100 vs Canon 5DS R

Compared to Pentax K-1 II

Pentax K-1

Pentax K-1 II

$1800
35mm

$1747
35mm

Higher extended ISO

Compare Pentax K-1 vs Pentax K-1 II

Panasonic G100

Pentax K-1 II

$599
4/3

Less expensive
Tilt-swivel screen

$1747
35mm

Larger sensor
In-Camera Image Stabilization

Compare Panasonic G100 vs Pentax K-1 II

Compared to Olympus E-M5 III

Pentax K-1

Olympus E-M5 III

$1800
35mm

Larger sensor
Bigger pixels

$824
4/3

Tilt-swivel screen
Shoot 4K video

Compare Pentax K-1 vs Olympus E-M5 III

Panasonic G100

Olympus E-M5 III

$599
4/3

Less expensive
In-camera panoramas

$824
4/3

In-Camera Image Stabilization
High resolution composite

Compare Panasonic G100 vs Olympus E-M5 III

Compared to Olympus E-M10 IV

Pentax K-1

Olympus E-M10 IV

$1800
35mm

Larger sensor
Bigger pixels

$666
4/3

Shoot 4K video
Touchscreen

Compare Pentax K-1 vs Olympus E-M10 IV

Panasonic G100

Olympus E-M10 IV

$599
4/3

Less expensive
Tilt-swivel screen

$666
4/3

In-Camera Image Stabilization
More telephoto lens reach

Compare Panasonic G100 vs Olympus E-M10 IV

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