Pentax K-r vs Sony H55
67 Imaging
52 Features
52 Overall
52


92 Imaging
36 Features
28 Overall
32
Pentax K-r vs Sony H55 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Screen
- ISO 200 - 12800 (Push to 25600)
- Sensor based Image Stabilization
- 1/6000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 598g - 125 x 97 x 68mm
- Released March 2011
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 25-250mm (F3.5-5.5) lens
- 200g - 103 x 58 x 29mm
- Released June 2010

Pentax K-r vs Sony H55 Overview
In this article, we will be reviewing the Pentax K-r and Sony H55, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by manufacturers Pentax and Sony. The sensor resolution of the K-r (12MP) and the H55 (14MP) is pretty close but the K-r (APS-C) and H55 (1/2.3") come with different sensor sizing.

The K-r was introduced 9 months later than the H55 and they are both of a similar generation. The two cameras offer different body type with the Pentax K-r being a Compact SLR camera and the Sony H55 being a Compact camera.
Before delving straight into a full comparison, below is a quick introduction of how the K-r matches up versus the H55 with respect to portability, imaging, features and an overall rating.

Pentax K-r vs Sony H55 Gallery
This is a preview of the gallery images for Pentax K-r and Sony Cyber-shot DSC-H55. The whole galleries are available at Pentax K-r Gallery and Sony H55 Gallery.
Reasons to pick Pentax K-r over the Sony H55
K-r | H55 | |||
---|---|---|---|---|
Released | March 2011 | ![]() | June 2010 | Fresher by 9 months |
Manual focus | ![]() | More exact focus | ||
Screen resolution | 921k | ![]() | 230k | Crisper screen (+691k dot) |
Reasons to pick Sony H55 over the Pentax K-r
H55 | K-r |
---|
Common features in the Pentax K-r and Sony H55
K-r | H55 | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen sizing | 3" | ![]() | 3" | Equivalent screen measurement |
Selfie screen | ![]() | Missing selfie screen | ||
Touch friendly screen | ![]() | Missing Touch friendly screen |
Pentax K-r vs Sony H55 Physical Comparison
If you are going to carry your camera, you'll need to consider its weight and volume. The Pentax K-r offers outside dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs) whilst the Sony H55 has sizing of 103mm x 58mm x 29mm (4.1" x 2.3" x 1.1") accompanied by a weight of 200 grams (0.44 lbs).
Compare the Pentax K-r and Sony H55 in the latest Camera and Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you select during that time. Here is the front view physical size comparison of the K-r against the H55.

Factoring in size and weight, the portability grade of the K-r and H55 is 67 and 92 respectively.

Pentax K-r vs Sony H55 Sensor Comparison
Usually, its hard to visualize the contrast in sensor sizing merely by viewing a spec sheet. The visual below will help give you a stronger sense of the sensor dimensions in the K-r and H55.
Clearly, both cameras enjoy different megapixels and different sensor sizing. The K-r using its bigger sensor is going to make shooting shallower DOF less difficult and the Sony H55 will result in greater detail using its extra 2MP. Higher resolution will also make it easier to crop shots far more aggressively. The younger K-r provides an edge when it comes to sensor tech.

Pentax K-r vs Sony H55 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-r vs Sony H55 Specifications
Pentax K-r | Sony Cyber-shot DSC-H55 | |
---|---|---|
General Information | ||
Brand Name | Pentax | Sony |
Model | Pentax K-r | Sony Cyber-shot DSC-H55 |
Category | Entry-Level DSLR | Small Sensor Compact |
Released | 2011-03-11 | 2010-06-16 |
Body design | Compact SLR | Compact |
Sensor Information | ||
Processor Chip | Prime II | Bionz |
Sensor type | CMOS | CCD |
Sensor size | APS-C | 1/2.3" |
Sensor dimensions | 23.6 x 15.8mm | 6.17 x 4.55mm |
Sensor area | 372.9mm² | 28.1mm² |
Sensor resolution | 12 megapixels | 14 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 4:3 and 16:9 |
Maximum resolution | 4288 x 2848 | 4320 x 3240 |
Maximum native ISO | 12800 | 3200 |
Maximum boosted ISO | 25600 | - |
Min native ISO | 200 | 80 |
RAW support | ||
Min boosted ISO | 100 | - |
Autofocusing | ||
Manual focus | ||
Touch focus | ||
AF continuous | ||
Single AF | ||
Tracking AF | ||
Selective AF | ||
Center weighted AF | ||
Multi area AF | ||
AF live view | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Number of focus points | 11 | 9 |
Cross focus points | 9 | - |
Lens | ||
Lens mounting type | Pentax KAF2 | fixed lens |
Lens focal range | - | 25-250mm (10.0x) |
Maximal aperture | - | f/3.5-5.5 |
Macro focus range | - | 5cm |
Total lenses | 151 | - |
Crop factor | 1.5 | 5.8 |
Screen | ||
Range of screen | Fixed Type | Fixed Type |
Screen diagonal | 3 inch | 3 inch |
Screen resolution | 921 thousand dot | 230 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen technology | TFT LCD monitor | - |
Viewfinder Information | ||
Viewfinder | Optical (pentamirror) | None |
Viewfinder coverage | 96% | - |
Viewfinder magnification | 0.57x | - |
Features | ||
Lowest shutter speed | 30s | 30s |
Highest shutter speed | 1/6000s | 1/1600s |
Continuous shooting speed | 6.0fps | 10.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | - |
Change WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 12.00 m (at ISO 100) | 3.80 m |
Flash settings | Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync | Auto, On, Slow Syncro, Off |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Highest flash sync | 1/180s | - |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 1280 x 720 (25 fps), 640 x 480 (25 fps) | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
Maximum video resolution | 1280x720 | 1280x720 |
Video file format | Motion JPEG | MPEG-4 |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 598g (1.32 lbs) | 200g (0.44 lbs) |
Dimensions | 125 x 97 x 68mm (4.9" x 3.8" x 2.7") | 103 x 58 x 29mm (4.1" x 2.3" x 1.1") |
DXO scores | ||
DXO All around score | 72 | not tested |
DXO Color Depth score | 22.9 | not tested |
DXO Dynamic range score | 12.4 | not tested |
DXO Low light score | 755 | not tested |
Other | ||
Battery life | 470 shots | - |
Battery format | Battery Pack | - |
Battery model | D-LI109,4 x AA | NP-BG1 |
Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec, portrait1/ portrait2) |
Time lapse feature | ||
Storage media | SD/SDHC | Memory Stick Duo / Pro Duo/ PRO HG-Duo, SD/SDHC, Internal |
Storage slots | One | One |
Price at launch | $1,100 | $235 |