Sony DSLR-A330 vs Pentax K-x

Cameras
Compare Cameras
Sony DSLR-A330 vs Pentax K-x

Leave Feedback

APS-C 369.7mm²
10.2 megapixels
ISO 100 - 3200

Go in depth with our full Sony DSLR-A330 Review.
See real-world photos taken with the DSLR-A330.

APS-C 369.7mm²
12.4 megapixels
ISO 200 - 6400

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

Succeeded by the Pentax K-r
Compare K-x vs K-r
Compare Sony DSLR-A330 vs Pentax K-r

Buy From

Differences

Sony DSLR-A330 advantages over Pentax K-x

Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
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

510 vs 420 shots
Capture more photos
HDMI out
HDMI out vs None
Use HDMI output to monitor or review video

Pentax K-x advantages over Sony DSLR-A330

Lens selection
Excellent vs Good
Better lens selection gives you more options
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-x test data on DxO Mark DSLR-A330 test data on DxO Mark

811 vs 535 iso
Take photos in low light with less noise
More cross-type AF points
9 vs 1
Cross-type AF points improve autofocus performance
Shoots 24p video
Yes vs No
Gives your movies a big-screen feel
More viewfinder magnification
0.57x vs 0.49x
Get a bigger view of the scene through the eye-level viewfinder
More pixels
12.4 vs 10.2 megapixels
Higher resolution photos
Faster JPEG shooting
4.3 fps vs 2.4 fps
Faster JPEG shooting (burst mode)
Faster shutter
1/6000 vs 1/4000 sec
Shoot wide open in bright light
Higher extended ISO
12800 vs 3200 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
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
Internal flash
Both provide
Useful in a pinch for fill flash
Hot shoe
Both provide
Off-camera flashes open new possibilities
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

Focus peaking
Neither provide
Your camera will highlight what's in focus
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
Top deck display
Neither provide
Check settings with a screen on top of the camera
External Mic Jack
Neither provide
Improved sound fidelity when shooting video
Pentaprism viewfinder
Neither provide
Much better viewfinder picture fidelity
Dual card slots
Neither provide
Gives you more storage flexibility
Headphone jack
Neither provide
Monitor audio recording while you shoot video
Slow-motion videos
Neither provide
Shoot slow-motion videos

Buy From

Your purchases support this site

Buy the Sony DSLR-A330

Your purchases support this site

Buy the Pentax K-x

Review Excerpt

Read our Sony DSLR-A330 Review

Read our Pentax K-x Full Review

The Competition

Compared to Pentax K200D

Sony DSLR-A330

Pentax K200D

$530
APS-C

Less expensive
Tiltable Screen

$800
APS-C

Lens selection
Top deck display

Compare Sony DSLR-A330 vs Pentax K200D

Pentax K-x

Pentax K200D

$702
APS-C

Less expensive
Higher effective ISO

$800
APS-C

Top deck display

Compare Pentax K-x vs Pentax K200D

Compared to Sony DSLR-A230

Sony DSLR-A330

Sony DSLR-A230

$530
APS-C

Tiltable Screen

$549
APS-C

Less expensive
More viewfinder magnification

Compare Sony DSLR-A330 vs Sony DSLR-A230

Pentax K-x

Sony DSLR-A230

$702
APS-C

Lens selection
Higher effective ISO

$549
APS-C

Less expensive
Longer stills battery life

Compare Pentax K-x vs Sony DSLR-A230

Compared to Pentax K-7

Sony DSLR-A330

Pentax K-7

$530
APS-C

Less expensive
Bigger pixels

$1300
APS-C

Lens selection
Longer stills battery life

Compare Sony DSLR-A330 vs Pentax K-7

Pentax K-x

Pentax K-7

$702
APS-C

Less expensive
Higher effective ISO

$1300
APS-C

Longer stills battery life
Top deck display

Compare Pentax K-x vs Pentax K-7

Compared to Nikon D3000

Sony DSLR-A330

Nikon D3000

$530
APS-C

In-Camera Image Stabilization
Tiltable Screen

$450
APS-C

Lens selection
More viewfinder magnification

Compare Sony DSLR-A330 vs Nikon D3000

Pentax K-x

Nikon D3000

$702
APS-C

In-Camera Image Stabilization
Higher effective ISO

$450
APS-C

Longer stills battery life

Compare Pentax K-x vs Nikon D3000

Compared to Pentax K-r

Sony DSLR-A330

Pentax K-r

$530
APS-C

Less expensive
Tiltable Screen

$850
APS-C

Lens selection
Fast startup

Compare Sony DSLR-A330 vs Pentax K-r

Pentax K-x

Pentax K-r

$702
APS-C

Less expensive
Shoots 24p video

$850
APS-C

Fast startup
External Mic Jack

Compare Pentax K-x vs Pentax K-r

Compare Other Cameras?