Nikon D3400 vs Pentax K-3 III

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Nikon D3400 vs Pentax K-3 III

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APS-C 366.6mm²
24.2 megapixels
ISO 100 - 25,600

Go in depth with our full Nikon D3400 Review.
How does it shoot? Nikon D3400 in the real world.
See real-world photos taken with the D3400.
Compare Nikon D3400 image quality against competitors.
What’s the bottom line? Read our Nikon D3400 conclusion.

APS-C 361.2mm²
25.7 megapixels
ISO 100 - 1,600,000

Go in depth with our full Pentax K-3 III Review.
See real-world photos taken with the K-3 III.

Succeeded by the Nikon D3500
Compare D3400 vs D3500
Compare Nikon D3500 vs Pentax K-3 III

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Differences

Nikon D3400 advantages over Pentax K-3 III

Less expensive
$497 vs $2344
Save money for lenses or accessories
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

1200 vs 800 shots
Capture more photos
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Bigger JPEG buffer
100 vs 30 shots
Take more JPEG shots before waiting (burst mode)

Pentax K-3 III advantages over Nikon D3400

Focus peaking
Peaker vs Non-peaker
Your camera will highlight what's in focus
In-Camera Image Stabilization
Yes vs No
Reduces the effects of camera shake at slower shutter speeds
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
High resolution composite
Yes vs No
Combine multiple shots to form a super hi-res version
Built-in Wi-Fi
Wi-Fi vs None
Share your photos wirelessly
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
More cross-type AF points
25 vs 1
Cross-type AF points improve autofocus performance
Pentaprism viewfinder
Pentaprism vs Pentamirror
Much better viewfinder picture fidelity
Newer
4 years vs 8 years old
Newer cameras often support more advanced features
Higher-res screen
540k vs 307k pixels
More detail on the screen lets you judge focus and composition
More viewfinder magnification
1.05x vs 0.57x
Get a bigger view of the scene through the eye-level viewfinder
Dual card slots
Yes vs No
Gives you more storage flexibility
More AF points
101 vs 11
More AF points improve autofocus
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
Faster JPEG shooting
12.0 fps vs 5.1 fps
Faster JPEG shooting (burst mode)
Faster shutter
1/8000 vs 1/4000 sec
Shoot wide open in bright light
Higher extended ISO
1600000 vs 25600 ISO
Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

Eye-level viewfinder
Both provide
You'll be able to frame photos even when the sun is out
Built-in Bluetooth
Both provide
Always-on wireless connectivity
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

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
On-sensor phase detect
Neither provide
Usually improves live view and video AF performance
Slow-motion videos
Neither provide
Shoot slow-motion videos

User reviews

Amazon
Adorama
Read D3400 User Reviews

Amazon
Adorama
Read K-3 III User Reviews

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Buy the Nikon D3400

Kit with 18-55mm Lens (Black)

Kit with 18-55mm Lens (Black)
Kit with 18-55mm & 70-300mm Lenses (Black)
Kit with 18-55mm Lens (Red)

All D3400 Deals

Your purchases support this site

Buy the Pentax K-3 III

Body Only

Body Only
Kit with 20-40mm F2.8-4 Lens
Kit with 55-300mm f/4.5-6.3 Lens

All K-3 III Deals

Review Excerpt

Compact DSLR camera body; Excellent image quality; Reliable single-shot autofocus; Good continuous JPEG shooting performance; New kit lens has improved AF; Great value at current prices.
SnapBridge is slow and limited; Poor continuous autofocus; No built-in Wi-Fi; Mediocre video features.
Read our Nikon D3400 Review

We haven’t finished our review of the Pentax K-3 III, but we have extensive sample photos and a hands-on report.
See our Pentax K-3 III First Shots

The Competition

Compared to Canon T6i

Nikon D3400

Canon T6i

$497
APS-C

Less expensive
Larger sensor

$699
APS-C

Tilt-swivel screen
Touchscreen

Compare Nikon D3400 vs Canon T6i

Pentax K-3 III

Canon T6i

$1797
APS-C

Focus peaking
In-Camera Image Stabilization

$699
APS-C

Less expensive
Tilt-swivel screen

Compare Pentax K-3 III vs Canon T6i

Compared to Nikon D5500

Nikon D3400

Nikon D5500

$497
APS-C

Less expensive
Built-in Bluetooth

$697
APS-C

Tilt-swivel screen
Touchscreen

Compare Nikon D3400 vs Nikon D5500

Pentax K-3 III

Nikon D5500

$1797
APS-C

Focus peaking
In-Camera Image Stabilization

$697
APS-C

Less expensive
Tilt-swivel screen

Compare Pentax K-3 III vs Nikon D5500

Compared to Nikon D5600

Nikon D3400

Nikon D5600

$497
APS-C

Less expensive
Longer stills battery life

$898
APS-C

Tilt-swivel screen
Touchscreen

Compare Nikon D3400 vs Nikon D5600

Pentax K-3 III

Nikon D5600

$1797
APS-C

Focus peaking
In-Camera Image Stabilization

$898
APS-C

Less expensive
Tilt-swivel screen

Compare Pentax K-3 III vs Nikon D5600

Compared to Pentax KP

Nikon D3400

Pentax KP

$497
APS-C

Less expensive
Fast startup

$999
APS-C

Focus peaking
In-Camera Image Stabilization

Compare Nikon D3400 vs Pentax KP

Pentax K-3 III

Pentax KP

$1797
APS-C

Shoot 4K video
Touchscreen

$999
APS-C

Less expensive
Tiltable Screen

Compare Pentax K-3 III vs Pentax KP

Compared to Canon SL2

Nikon D3400

Canon SL2

$497
APS-C

Larger sensor
Higher effective ISO

$549
APS-C

Tilt-swivel screen
Touchscreen

Compare Nikon D3400 vs Canon SL2

Pentax K-3 III

Canon SL2

$1797
APS-C

Focus peaking
In-Camera Image Stabilization

$549
APS-C

Less expensive
Tilt-swivel screen

Compare Pentax K-3 III vs Canon SL2

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