Pentax Efina vs Samsung ST90
97 Imaging
38 Features
26 Overall
33
99 Imaging
36 Features
19 Overall
29
Pentax Efina vs Samsung ST90 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.5" Fixed Display
- ISO 80 - 1600
- Digital Image Stabilization
- 1280 x 720 video
- 26-130mm (F3.5-6.3) lens
- 91g - 87 x 54 x 21mm
- Launched June 2013
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 0 - 0
- 1280 x 720 video
- ()mm (F) lens
- n/ag - 92 x 53 x 17mm
- Introduced January 2011
Snapchat Adds Watermarks to AI-Created Images Pentax Efina vs Samsung ST90 Overview
In this write-up, we will be contrasting the Pentax Efina vs Samsung ST90, both Ultracompact digital cameras by companies Pentax and Samsung. The resolution of the Efina (14MP) and the ST90 (14MP) is pretty well matched and they come with the same exact sensor sizes (1/2.3").
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe Efina was brought out 2 years later than the ST90 and that is quite a sizable gap as far as technology is concerned. Both of these cameras offer the identical body type (Ultracompact).
Before diving through a more detailed comparison, below is a short view of how the Efina scores versus the ST90 for portability, imaging, features and an overall grade.
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Below is a preview of the gallery images for Pentax Efina and Samsung ST90. The entire galleries are available at Pentax Efina Gallery and Samsung ST90 Gallery.
Reasons to pick Pentax Efina over the Samsung ST90
| Efina | ST90 | |||
|---|---|---|---|---|
| Introduced | June 2013 | January 2011 | More recent by 29 months |
Reasons to pick Samsung ST90 over the Pentax Efina
| ST90 | Efina | |||
|---|---|---|---|---|
| Screen sizing | 3" | 2.5" | Bigger screen (+0.5") | |
| Screen resolution | 460k | 230k | Clearer screen (+230k dot) |
Common features in the Pentax Efina and Samsung ST90
| Efina | ST90 | |||
|---|---|---|---|---|
| Focus manually | No manual focusing | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Absent selfie screen | |||
| Touch screen | Neither features Touch screen |
Pentax Efina vs Samsung ST90 Physical Comparison
When you are going to lug around your camera frequently, you should take into account its weight and size. The Pentax Efina enjoys outside dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") with a weight of 91 grams (0.20 lbs) while the Samsung ST90 has specifications of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") with a weight of n/a grams (0.00 lbs).
Examine the Pentax Efina vs Samsung ST90 in the all new Camera with Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you select at that moment. Underneath is the front view size comparison of the Efina against the ST90.

Considering dimensions and weight, the portability rating of the Efina and ST90 is 97 and 99 respectively.
Pentax Efina vs Samsung ST90 Sensor Comparison
Quite often, it's hard to visualize the gap between sensor measurements just by checking technical specs. The photograph underneath will help give you a more clear sense of the sensor dimensions in the Efina and ST90.
As you have seen, each of these cameras enjoy the same exact sensor sizing and the same MP so you should expect similar quality of pictures however you should take the release date of the products into consideration. The more modern Efina provides an edge when it comes to sensor innovation.
Pentax Efina vs Samsung ST90 Screen and ViewFinder
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Pentax Efina vs Samsung ST90 Specifications
| Pentax Efina | Samsung ST90 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Samsung |
| Model | Pentax Efina | Samsung ST90 |
| Category | Ultracompact | Ultracompact |
| Launched | 2013-06-03 | 2011-01-19 |
| Body design | Ultracompact | Ultracompact |
| Sensor Information | ||
| Sensor type | CCD | CCD |
| Sensor size | 1/2.3" | 1/2.3" |
| Sensor dimensions | 6.17 x 4.55mm | 6.16 x 4.62mm |
| Sensor surface area | 28.1mm² | 28.5mm² |
| Sensor resolution | 14 megapixels | 14 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | - |
| Highest resolution | 4288 x 3216 | 4608 x 3456 |
| Highest native ISO | 1600 | - |
| Lowest native ISO | 80 | - |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| Center weighted AF | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Cross focus points | - | - |
| Lens | ||
| Lens mounting type | fixed lens | fixed lens |
| Lens focal range | 26-130mm (5.0x) | () |
| Maximum aperture | f/3.5-6.3 | - |
| Macro focus range | 20cm | - |
| Focal length multiplier | 5.8 | 5.8 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display sizing | 2.5" | 3" |
| Display resolution | 230k dot | 460k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display technology | QVGA TFT LCD | - |
| Viewfinder Information | ||
| Viewfinder type | None | None |
| Features | ||
| Lowest shutter speed | 1/8 secs | 8 secs |
| Highest shutter speed | 1/1400 secs | 1/2000 secs |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Change WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 4.10 m | - |
| Flash options | Auto, Auto Red-eye Reduction, Forced On, Forced Off | - |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1280 x 720, 640 x 480 | 1280 x 720 |
| Highest video resolution | 1280x720 | 1280x720 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | none |
| GPS | None | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 91 grams (0.20 lb) | - |
| Dimensions | 87 x 54 x 21mm (3.4" x 2.1" x 0.8") | 92 x 53 x 17mm (3.6" x 2.1" x 0.7") |
| DXO scores | ||
| DXO All around score | not tested | not tested |
| DXO Color Depth score | not tested | not tested |
| DXO Dynamic range score | not tested | not tested |
| DXO Low light score | not tested | not tested |
| Other | ||
| Battery life | 200 images | - |
| Battery form | Battery Pack | - |
| Battery model | D-LI109 | - |
| Self timer | Yes | - |
| Time lapse shooting | ||
| Type of storage | SC/SDHC, Internal | - |
| Storage slots | One | One |
| Price at launch | $10 | $150 |