Pentax K-3 vs Sony W730
59 Imaging
65 Features
85 Overall
73


96 Imaging
39 Features
33 Overall
36
Pentax K-3 vs Sony W730 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Revealed April 2014
- Refreshed by Pentax K-3 II
(Full Review)
- 16MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 25-224mm (F3.3-6.3) lens
- 122g - 93 x 52 x 22mm
- Revealed January 2013

Pentax K-3 vs Sony W730 Overview
Here is a in-depth review of the Pentax K-3 and Sony W730, one being a Advanced DSLR and the latter is a Small Sensor Compact by competitors Pentax and Sony. There exists a significant gap among the resolutions of the K-3 (24MP) and W730 (16MP) and the K-3 (APS-C) and W730 (1/2.3") feature totally different sensor measurements.

The K-3 was introduced 16 months later than the W730 which makes the cameras a generation apart from one another. Both of these cameras offer different body type with the Pentax K-3 being a Mid-size SLR camera and the Sony W730 being a Compact camera.
Before going in to a in depth comparison, below is a concise highlight of how the K-3 matches up against the W730 for portability, imaging, features and an overall rating.

Pentax K-3 vs Sony W730 Gallery
This is a preview of the gallery images for Pentax K-3 and Sony Cyber-shot DSC-W730. The whole galleries are available at Pentax K-3 Gallery and Sony W730 Gallery.
Reasons to pick Pentax K-3 over the Sony W730
K-3 | W730 | |||
---|---|---|---|---|
Revealed | April 2014 | ![]() | January 2013 | Fresher by 16 months |
Manual focus | ![]() | Dial accurate focus | ||
Screen sizing | 3.2" | ![]() | 2.7" | Bigger screen (+0.5") |
Screen resolution | 1037k | ![]() | 230k | Crisper screen (+807k dot) |
Reasons to pick Sony W730 over the Pentax K-3
W730 | K-3 | |||
---|---|---|---|---|
Touch screen | ![]() | Quickly navigate |
Common features in the Pentax K-3 and Sony W730
K-3 | W730 | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Absent selfie screen |
Pentax K-3 vs Sony W730 Physical Comparison
In case you're intending to carry your camera often, you will need to factor in its weight and proportions. The Pentax K-3 features physical measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) whilst the Sony W730 has measurements of 93mm x 52mm x 22mm (3.7" x 2.0" x 0.9") with a weight of 122 grams (0.27 lbs).
Analyze the Pentax K-3 and Sony W730 in the latest Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at the time. Underneath is the front view physical size comparison of the K-3 compared to the W730.

Taking into consideration dimensions and weight, the portability score of the K-3 and W730 is 59 and 96 respectively.

Pentax K-3 vs Sony W730 Sensor Comparison
Sometimes, it is difficult to see the difference in sensor sizing purely by going through specifications. The photograph underneath might give you a clearer sense of the sensor measurements in the K-3 and W730.
To sum up, both of these cameras enjoy different resolutions and different sensor sizing. The K-3 with its bigger sensor will make achieving bokeh easier and the Pentax K-3 will provide extra detail using its extra 8MP. Higher resolution can also let you crop pictures far more aggressively. The more modern K-3 is going to have an edge when it comes to sensor tech.

Pentax K-3 vs Sony W730 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-3 vs Sony W730 Specifications
Pentax K-3 | Sony Cyber-shot DSC-W730 | |
---|---|---|
General Information | ||
Brand Name | Pentax | Sony |
Model | Pentax K-3 | Sony Cyber-shot DSC-W730 |
Category | Advanced DSLR | Small Sensor Compact |
Revealed | 2014-04-10 | 2013-01-08 |
Physical type | Mid-size SLR | Compact |
Sensor Information | ||
Processor Chip | Prime III | - |
Sensor type | CMOS | CCD |
Sensor size | APS-C | 1/2.3" |
Sensor dimensions | 23.5 x 15.6mm | 6.17 x 4.55mm |
Sensor surface area | 366.6mm² | 28.1mm² |
Sensor resolution | 24 megapixels | 16 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 4:3 and 16:9 |
Highest Possible resolution | 6016 x 4000 | 4608 x 3456 |
Maximum native ISO | 51200 | 3200 |
Min native ISO | 100 | 100 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
AF touch | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
Center weighted AF | ||
AF multi area | ||
Live view AF | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Number of focus points | 27 | - |
Cross focus points | 25 | - |
Lens | ||
Lens mounting type | Pentax KAF2 | fixed lens |
Lens focal range | - | 25-224mm (9.0x) |
Highest aperture | - | f/3.3-6.3 |
Macro focus distance | - | 5cm |
Total lenses | 151 | - |
Focal length multiplier | 1.5 | 5.8 |
Screen | ||
Type of display | Fixed Type | Fixed Type |
Display size | 3.2" | 2.7" |
Display resolution | 1,037 thousand dots | 230 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Display technology | TFT LCD monitor | TFT LCD display |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | None |
Viewfinder coverage | 100% | - |
Viewfinder magnification | 0.64x | - |
Features | ||
Minimum shutter speed | 30s | 2s |
Fastest shutter speed | 1/8000s | 1/1600s |
Continuous shutter rate | 8.0 frames/s | 1.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | - |
Custom WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | 13.00 m (at ISO 100) | 2.80 m |
Flash modes | Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual | Auto, On, Off, Slow Sync, Advanced Flash |
Hot shoe | ||
AEB | ||
White balance bracketing | ||
Fastest flash synchronize | 1/180s | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
Maximum video resolution | 1920x1080 | 1280x720 |
Video format | MPEG-4, H.264 | MPEG-4, AVCHD |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 800 grams (1.76 lbs) | 122 grams (0.27 lbs) |
Dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 93 x 52 x 22mm (3.7" x 2.0" x 0.9") |
DXO scores | ||
DXO Overall score | 80 | not tested |
DXO Color Depth score | 23.7 | not tested |
DXO Dynamic range score | 13.4 | not tested |
DXO Low light score | 1216 | not tested |
Other | ||
Battery life | 560 shots | 240 shots |
Style of battery | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-BN |
Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec, Portrait 1/2) |
Time lapse shooting | ||
Storage type | Dual SD/SDHC/SDXC | SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo |
Card slots | Two | 1 |
Retail cost | $639 | $138 |