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Pentax Efina vs Sony RX100

Portability
97
Imaging
38
Features
26
Overall
33
Pentax Efina front
 
Sony Cyber-shot DSC-RX100 front
Portability
91
Imaging
50
Features
68
Overall
57

Pentax Efina vs Sony RX100 Key Specs

Pentax Efina
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.5" Fixed Screen
  • ISO 80 - 1600
  • Digital Image Stabilization
  • 1280 x 720 video
  • 26-130mm (F3.5-6.3) lens
  • 91g - 87 x 54 x 21mm
  • Released June 2013
Sony RX100
(Full Review)
  • 20MP - 1" Sensor
  • 3" Fixed Screen
  • ISO 100 - 25600
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 240g - 102 x 58 x 36mm
  • Introduced August 2012
  • Successor is Sony RX100 II
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Pentax Efina vs Sony RX100 Overview

Lets look a bit more closely at the Pentax Efina vs Sony RX100, former being a Ultracompact while the latter is a Large Sensor Compact by competitors Pentax and Sony. There is a considerable difference between the image resolutions of the Efina (14MP) and RX100 (20MP) and the Efina (1/2.3") and RX100 (1") possess different sensor dimensions.

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The Efina was launched 10 months later than the RX100 so they are both of a similar age. Each of the cameras come with different body type with the Pentax Efina being a Ultracompact camera and the Sony RX100 being a Large Sensor Compact camera.

Before getting straight into a more detailed comparison, below is a quick view of how the Efina grades vs the RX100 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Pentax Efina over the Sony RX100

 Efina RX100 
IntroducedJune 2013August 2012More recent by 10 months

Reasons to pick Sony RX100 over the Pentax Efina

 RX100 Efina 
Manually focus Dial exact focusing
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution1229k230kClearer screen (+999k dot)

Common features in the Pentax Efina and Sony RX100

 Efina RX100 
Screen typeFixed Fixed Fixed screen
Selfie screen Missing selfie screen
Touch screen Neither offers Touch screen

Pentax Efina vs Sony RX100 Physical Comparison

For those who are looking to lug around your camera often, you will have to consider its weight and measurements. The Pentax Efina offers outer measurements of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") with a weight of 91 grams (0.20 lbs) and the Sony RX100 has proportions of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") accompanied by a weight of 240 grams (0.53 lbs).

Check out the Pentax Efina vs Sony RX100 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary based on the lens you use at that time. Underneath is the front view physical size comparison of the Efina versus the RX100.

Pentax Efina vs Sony RX100 size comparison

Factoring in size and weight, the portability score of the Efina and RX100 is 97 and 91 respectively.

Pentax Efina vs Sony RX100 top view buttons comparison

Pentax Efina vs Sony RX100 Sensor Comparison

Usually, it can be difficult to imagine the difference between sensor measurements merely by reading specifications. The visual here may give you a clearer sense of the sensor sizing in the Efina and RX100.

To sum up, the 2 cameras posses different megapixels and different sensor measurements. The Efina due to its tinier sensor is going to make getting shallow depth of field more difficult and the Sony RX100 will offer more detail utilizing its extra 6MP. Higher resolution can also make it easier to crop pictures somewhat more aggressively. The newer Efina provides a benefit in sensor technology.

Pentax Efina vs Sony RX100 sensor size comparison

Pentax Efina vs Sony RX100 Screen and ViewFinder

Pentax Efina vs Sony RX100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax Efina Portrait photography factors
Sony RX100 Portrait photography factors
34
resolution is good (14MP)
features face detect autofocus
lack of manual focus
manual mode not available
external flash not possible
very small sensor (1/2.3")
does not have RAW format
64
has manual focus
flash sync is higher than normal (1/2,000s)
MP count decent (20MP)
sensor size is nice (1")
includes face detect focusing
exports RAW files
external flash not possible
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Street Comparison

Pentax Efina as a Street photography camera
Sony RX100 as a Street photography camera
64
image stabilization (Digital)
lighter than competition in class (91g)
no articulating screen
very small sensor (1/2.3")
does not have RAW format
79
image stabilization (Optical)
sensor size is nice (1")
exports RAW files
lighter than competitors in class (240 grams)
great high ISO (25,600)
screen is fixed
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Sports Comparison

Pentax Efina as a Sports photography camera
Sony RX100 as a Sports photography camera
35
image stabilization (Digital)
resolution is good (14MP)
maximum shutter speed is a little low (1/1,400s)
no shutter priority
very small sensor (1/2.3")
does not have phase detect autofocus
65
image stabilization (Optical)
MP count decent (20MP)
sensor size is nice (1")
includes tracking focus
does not have phase detect AF
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Travel Comparison

Pentax Efina Travel photography information
Sony RX100 Travel photography information
69
lighter than competition in class (91g)
resolution is good (14 megapixels)
has built in flash
relatively wide (26mm)
no Time Lapse recording
doesn't offer selfie friendly display
slow max aperture (f3.5)
79
lighter than competitors in class (240 grams)
MP count decent (20 megapixels)
has built in flash
reasonably wide (28mm)
great maximum aperture (f1.8)
screen isn't selfie friendly
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Landscape Comparison

Pentax Efina Landscape photography features
Sony RX100 Landscape photography features
38
relatively wide (26mm)
image stabilization (Digital)
resolution is good (14 megapixels)
lack of manual focus
fixed lens (fixed lens mount)
slow max aperture (f3.5)
screen is somewhat small (2.5")
manual mode not available
very small sensor (1/2.3")
does not have RAW format
no Time Lapse recording
74
has manual focus
reasonably wide (28mm)
great maximum aperture (f1.8)
screen size is good (3")
image stabilization (Optical)
MP count decent (20 megapixels)
sensor size is nice (1")
great high ISO (25,600)
exports RAW files
lens is fixed (fixed lens mount)
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Vlogging Comparison

Pentax Efina Vlogging features
Sony RX100 Vlogging features
33
relatively wide (26mm)
image stabilization (Digital)
features face detect autofocus
lighter than competition in class (91 grams)
slow max aperture (f3.5)
doesn't offer selfie friendly display
video res low (1280 x 720 pixels)
no mic support
38
reasonably wide (28mm)
great maximum aperture (f1.8)
image stabilization (Optical)
includes face detect focusing
video resolution high (1920 x 1080 pixels)
lighter than competitors in class (240 grams)
screen isn't selfie friendly
does not have microphone support
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Pentax Efina vs Sony RX100 Specifications

Detailed spec comparison table for Pentax Efina and Sony RX100
 Pentax EfinaSony Cyber-shot DSC-RX100
General Information
Manufacturer Pentax Sony
Model Pentax Efina Sony Cyber-shot DSC-RX100
Class Ultracompact Large Sensor Compact
Released 2013-06-03 2012-08-28
Physical type Ultracompact Large Sensor Compact
Sensor Information
Sensor type CCD CMOS
Sensor size 1/2.3" 1"
Sensor measurements 6.17 x 4.55mm 13.2 x 8.8mm
Sensor surface area 28.1mm² 116.2mm²
Sensor resolution 14MP 20MP
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 4288 x 3216 5472 x 3648
Highest native ISO 1600 25600
Lowest native ISO 80 100
RAW format
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points - 25
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 26-130mm (5.0x) 28-100mm (3.6x)
Highest aperture f/3.5-6.3 f/1.8-4.9
Macro focus range 20cm 5cm
Focal length multiplier 5.8 2.7
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 2.5 inch 3 inch
Screen resolution 230 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch display
Screen tech QVGA TFT LCD WhiteMagic TFT LCD
Viewfinder Information
Viewfinder type None None
Features
Lowest shutter speed 1/8 secs 30 secs
Highest shutter speed 1/1400 secs 1/2000 secs
Continuous shooting rate - 10.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Change white balance
Image stabilization
Integrated flash
Flash range 4.10 m -
Flash options Auto, Auto Red-eye Reduction, Forced On, Forced Off Auto, On, Off, Slow Sync
Hot shoe
AEB
White balance bracketing
Highest flash synchronize - 1/2000 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720, 640 x 480 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1280x720 1920x1080
Video data format - MPEG-4, AVCHD
Microphone support
Headphone support
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 91 grams (0.20 lb) 240 grams (0.53 lb)
Dimensions 87 x 54 x 21mm (3.4" x 2.1" x 0.8") 102 x 58 x 36mm (4.0" x 2.3" x 1.4")
DXO scores
DXO All around score not tested 66
DXO Color Depth score not tested 22.6
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 390
Other
Battery life 200 shots 330 shots
Style of battery Battery Pack Battery Pack
Battery model D-LI109 NP-BX1
Self timer Yes Yes (2 or 10 sec, Portrait 1/2)
Time lapse recording With downloadable app
Storage type SC/SDHC, Internal SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Cost at launch $10 $448