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Pentax Q7 vs Sony G3

Portability
92
Imaging
37
Features
54
Overall
43
Pentax Q7 front
 
Sony Cyber-shot DSC-G3 front
Portability
94
Imaging
33
Features
30
Overall
31

Pentax Q7 vs Sony G3 Key Specs

Pentax Q7
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Pentax Q Mount
  • 200g - 102 x 58 x 34mm
  • Released August 2013
  • Older Model is Pentax Q10
Sony G3
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F3.5-10.0) lens
  • 185g - 97 x 59 x 22mm
  • Announced January 2009
Photography Glossary

Pentax Q7 vs Sony G3 Overview

Lets take a more detailed look at the Pentax Q7 vs Sony G3, former being a Entry-Level Mirrorless while the latter is a Small Sensor Compact by companies Pentax and Sony. The resolution of the Q7 (12MP) and the G3 (10MP) is relatively similar but the Q7 (1/1.7") and G3 (1/2.3") offer totally different sensor size.

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The Q7 was released 4 years later than the G3 and that is quite a sizable difference as far as tech is concerned. Both of these cameras have different body design with the Pentax Q7 being a Rangefinder-style mirrorless camera and the Sony G3 being a Compact camera.

Before going into a thorough comparison, here is a quick overview of how the Q7 grades against the G3 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Pentax Q7 over the Sony G3

 Q7 G3 
AnnouncedAugust 2013January 2009More recent by 56 months

Reasons to pick Sony G3 over the Pentax Q7

 G3 Q7 
Screen dimensions3.5"3"Bigger screen (+0.5")
Screen resolution921k460kSharper screen (+461k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax Q7 and Sony G3

 Q7 G3 
Manual focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen

Pentax Q7 vs Sony G3 Physical Comparison

For those who are going to lug around your camera regularly, you will want to take into account its weight and dimensions. The Pentax Q7 comes with physical measurements of 102mm x 58mm x 34mm (4.0" x 2.3" x 1.3") with a weight of 200 grams (0.44 lbs) while the Sony G3 has dimensions of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") having a weight of 185 grams (0.41 lbs).

Contrast the Pentax Q7 vs Sony G3 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ depending on the lens you are using during that time. The following is a front view scale comparison of the Q7 and the G3.

Pentax Q7 vs Sony G3 size comparison

Factoring in size and weight, the portability grade of the Q7 and G3 is 92 and 94 respectively.

Pentax Q7 vs Sony G3 top view buttons comparison

Pentax Q7 vs Sony G3 Sensor Comparison

Oftentimes, it can be tough to visualise the contrast between sensor measurements just by going over specs. The photograph underneath may give you a far better sense of the sensor sizing in the Q7 and G3.

All in all, both of those cameras provide different megapixels and different sensor measurements. The Q7 because of its bigger sensor will make achieving shallow DOF easier and the Pentax Q7 will deliver greater detail as a result of its extra 2 Megapixels. Higher resolution can also allow you to crop pictures more aggressively. The more modern Q7 will have a benefit in sensor technology.

Pentax Q7 vs Sony G3 sensor size comparison

Pentax Q7 vs Sony G3 Screen and ViewFinder

Pentax Q7 vs Sony G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax Q7
Portrait photography with Sony G3
48
manual focus
great flash sync speed (1/2,000s)
comes with face detect focus
saves RAW files
megapixel count low (12 megapixels)
sensor is tiny (1/1.7")
26
manual focus
manual mode not possible
external flash not possible
megapixel count low (10 megapixels)
small sensor size (1/2.3")
does not have RAW files
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Street Comparison

Pentax Q7 Street photography highlights
Sony G3 Street photography highlights
69
built in image stabilization (Sensor based)
saves RAW files
lighter than competition in class (200g)
fixed screen
sensor is tiny (1/1.7")
56
image stabilization (Optical)
no articulating screen
small sensor size (1/2.3")
does not have RAW files
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Sports Comparison

Pentax Q7 Sports photography information
Sony G3 Sports photography information
32
built in image stabilization (Sensor based)
comes with tracking focus
continuous shooting slow (5.0 frames/s)
megapixel count low (12 megapixels)
sensor is tiny (1/1.7")
not so great battery (250 CIPA)
does not have phase detect auto focus
23
image stabilization (Optical)
maximum shutter speed is a little low (1/1,000s)
slow continuous shooting (2.0 frames/s)
no shutter priority
megapixel count low (10MP)
small sensor size (1/2.3")
does not have phase detect autofocus
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Travel Comparison

Pentax Q7 Travel photography features
Sony G3 Travel photography features
60
lighter than competition in class (200 grams)
has built in flash
not so great battery (250 per charge)
megapixel count low (12 megapixels)
doesn't offer selfie friendly display
50
has built in flash
no Time Lapse mode
megapixel count low (10MP)
display is not selfie friendly
wide angle not the best (35mm)
sluggish maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax Q7
Landscape photography with Sony G3
55
manual focus
interchangeable lenses (Pentax Q mount)
screen size is good (3 inches)
built in image stabilization (Sensor based)
saves RAW files
megapixel count low (12 megapixels)
sensor is tiny (1/1.7")
not so great battery (250 shots)
36
manual focus
big screen (3.5 inches)
image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not the best (35mm)
sluggish maximum aperture (f3.5)
manual mode not possible
megapixel count low (10MP)
small sensor size (1/2.3")
does not have RAW files
no Time Lapse mode
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Vlogging Comparison

Vlogging with Pentax Q7
Vlogging with Sony G3
35
built in image stabilization (Sensor based)
comes with face detect focus
video res high (1920 x 1080 pixels)
lighter than competition in class (200g)
doesn't offer selfie friendly display
doesn't have mic support
27
touchscreen capability
image stabilization (Optical)
wide angle not the best (35mm)
sluggish maximum aperture (f3.5)
display is not selfie friendly
video resolution low (640 x 480 pixels)
no mic jack
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Pentax Q7 vs Sony G3 Specifications

Detailed spec comparison table for Pentax Q7 and Sony G3
 Pentax Q7Sony Cyber-shot DSC-G3
General Information
Company Pentax Sony
Model type Pentax Q7 Sony Cyber-shot DSC-G3
Class Entry-Level Mirrorless Small Sensor Compact
Released 2013-08-08 2009-01-08
Body design Rangefinder-style mirrorless Compact
Sensor Information
Sensor type BSI-CMOS CCD
Sensor size 1/1.7" 1/2.3"
Sensor dimensions 7.44 x 5.58mm 6.17 x 4.55mm
Sensor area 41.5mm² 28.1mm²
Sensor resolution 12 megapixel 10 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 4000 x 3000 3648 x 2736
Max native ISO 12800 3200
Minimum native ISO 100 80
RAW images
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points - 9
Cross type focus points - -
Lens
Lens support Pentax Q fixed lens
Lens zoom range - 35-140mm (4.0x)
Max aperture - f/3.5-10.0
Available lenses 8 -
Focal length multiplier 4.8 5.8
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 3.5 inch
Resolution of display 460k dot 921k dot
Selfie friendly
Liveview
Touch functionality
Display technology TFT color LCD monitor, wide angle viewing, AR coating -
Viewfinder Information
Viewfinder type Optical (optional) None
Features
Lowest shutter speed 30s 1s
Highest shutter speed 1/2000s 1/1000s
Continuous shooting speed 5.0 frames per second 2.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Change white balance
Image stabilization
Built-in flash
Flash distance 4.90 m (ISO100/m) 4.30 m (Auto ISO)
Flash options P-TTL, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
AE bracketing
WB bracketing
Highest flash sync 1/2000s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions FullHD(1920x1080, 30fps/25fps/24fps), HD(1280x720,16:9,30fps/25fps/24fps), VGA(640x480,4:3,30fps/25fps/24fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1920x1080 640x480
Video format MPEG-4, H.264 Motion JPEG
Mic input
Headphone input
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 200 gr (0.44 pounds) 185 gr (0.41 pounds)
Physical dimensions 102 x 58 x 34mm (4.0" x 2.3" x 1.3") 97 x 59 x 22mm (3.8" x 2.3" x 0.9")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 250 images -
Type of battery Battery Pack -
Battery ID D-LI68 -
Self timer Yes (12 sec, 2 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD, SDHC, SDXC and Eye-Fi Card Memory Stick Duo/Pro Duo, Internal
Storage slots 1 1
Retail cost $480 $200