Nikon D5000 vs Pentax K-3

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Nikon D5000 vs Pentax K-3

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APS-C 372.9mm²
12.3 megapixels
ISO 200 - 3200

Go in depth with our full Nikon D5000 Review.
See real-world photos taken with the D5000.

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.

Succeeded by the Nikon D5100
Compare D5000 vs D5100

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

Compare NIKON D5100 vs PENTAX K-3 II

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Differences

Nikon D5000 advantages over Pentax K-3

Less expensive
$850 vs $1150 (MSRP)
Save money for lenses or accessories
Bigger pixels
~ 5.50 vs 3.91 microns
Better low-light and dynamic range (all else equal)
Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
Fast startup
~0.40 vs 0.9 sec
Faster startup lets you catch the moment

Pentax K-3 advantages over Nikon D5000

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
Higher effective ISO

Higher effective ISO

Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.

Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.

You can learn more at our glossary entry.

Maximum effective ISO test data courtesy of DxO Mark.
K-3 test data on DxO Mark D5000 test data on DxO Mark

1,216 vs 868 iso
Take photos in low light with less noise
More telephoto lens reach
203 mm vs 84 mm
Capture objects farther away with the kit lens
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
11 years vs 16 years old
Newer cameras often support more advanced features
More dots on screen
1037k vs 230k dots
Can mean greater resolution or a brighter screen
Shoots 1080p video
Yes vs No
You'll want this if you shoot video
Less shutter lag
0.14 vs 0.28 sec
Focus and take a photo quickly (wide angle)
More viewfinder magnification
0.63x vs 0.52x
Get a bigger view of the scene through the eye-level viewfinder
More pixels
24.4 vs 12.3 megapixels
Higher resolution photos
Shoots 60p video
Yes vs No
A faster framerate can give you more editing options
Dual card slots
Yes vs No
Gives you more storage flexibility
More AF points
27 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 Fixed
Lets you choose sharper photos or reduced moiré
Faster JPEG shooting
7.1 fps vs 4.0 fps
Faster JPEG shooting (burst mode)
Faster RAW shooting
7.1 fps vs 4.0 fps
Faster RAW shooting in burst mode
Bigger RAW buffer
24 vs 10 shots
Larger buffer for RAW shots (burst mode)
Faster shutter
1/8000 vs 1/4000 sec
Shoot wide open in bright light
Higher extended ISO
51200 vs 6400 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
Internal flash
Both provide
Useful in a pinch for fill flash
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

Touchscreen
Neither provide
Interact with your camera just like your smartphone
In-camera panoramas
Neither provide
Stitches multiple shots into a panoramic photo
Built-in Wi-Fi
Neither provide
Share your photos wirelessly
Built-in Bluetooth
Neither provide
Always-on wireless connectivity
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 D5000 User Reviews

Amazon
Adorama
Read K-3 User Reviews

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Body Only

Body Only
Kit with 18-135mm Lens

All K-3 Deals

Review Excerpt

Read our Nikon D5000 Full Review

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

The Competition

Compared to Sony DSLR-A350

Nikon D5000

Sony DSLR-A350

$850
APS-C

Lens selection
Fast startup

$900
APS-C

In-Camera Image Stabilization
Longer stills battery life

Compare Nikon D5000 vs Sony DSLR-A350

Pentax K-3

Sony DSLR-A350

$699
APS-C

Lens selection
Focus peaking

$900
APS-C

Less expensive
Bigger pixels

Compare Pentax K-3 vs Sony DSLR-A350

Compared to Sony DSLR-A300

Nikon D5000

Sony DSLR-A300

$850
APS-C

Lens selection
Higher effective ISO

$563
APS-C

In-Camera Image Stabilization
Longer stills battery life

Compare Nikon D5000 vs Sony DSLR-A300

Pentax K-3

Sony DSLR-A300

$699
APS-C

Lens selection
Focus peaking

$563
APS-C

Less expensive
Bigger pixels

Compare Pentax K-3 vs Sony DSLR-A300

Compared to Sony DSLR-A390

Nikon D5000

Sony DSLR-A390

$850
APS-C

Lens selection
Higher effective ISO

$507
APS-C

Less expensive
In-Camera Image Stabilization

Compare Nikon D5000 vs Sony DSLR-A390

Pentax K-3

Sony DSLR-A390

$699
APS-C

Lens selection
Focus peaking

$507
APS-C

Less expensive
Bigger pixels

Compare Pentax K-3 vs Sony DSLR-A390

Compared to Nikon D7100

Nikon D5000

Nikon D7100

$850
APS-C

Bigger pixels
Tiltable Screen

$745
APS-C

Fast startup
Higher effective ISO

Compare Nikon D5000 vs 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

Compared to Nikon D7200

Nikon D5000

Nikon D7200

$850
APS-C

Bigger pixels
Tiltable Screen

$1016
APS-C

Built-in Wi-Fi
Higher effective ISO

Compare Nikon D5000 vs 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

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