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Pentax X90 vs Sigma Quattro

Portability
69
Imaging
35
Features
34
Overall
34
Pentax X90 front
 
Sigma sd Quattro front
Portability
63
Imaging
69
Features
56
Overall
63

Pentax X90 vs Sigma Quattro Key Specs

Pentax X90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-676mm (F2.8-5.0) lens
  • 428g - 111 x 85 x 110mm
  • Released July 2010
Sigma Quattro
(Full Review)
  • 29MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sigma SA Mount
  • 625g - 147 x 95 x 91mm
  • Released February 2016
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Pentax X90 vs Sigma Quattro Overview

Lets look more in depth at the Pentax X90 vs Sigma Quattro, former is a Small Sensor Superzoom while the latter is a Advanced Mirrorless by manufacturers Pentax and Sigma. There exists a considerable gap among the image resolutions of the X90 (12MP) and Quattro (29MP) and the X90 (1/2.3") and Quattro (APS-C) have different sensor measurements.

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The X90 was launched 6 years before the Quattro which is a fairly large difference as far as camera technology is concerned. Each of these cameras feature different body design with the Pentax X90 being a SLR-like (bridge) camera and the Sigma Quattro being a Rangefinder-style mirrorless camera.

Before delving into a in-depth comparison, here is a concise summary of how the X90 grades versus the Quattro in relation to portability, imaging, features and an overall mark.

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Reasons to pick Pentax X90 over the Sigma Quattro

 X90 Quattro 

Reasons to pick Sigma Quattro over the Pentax X90

 Quattro X90 
ReleasedFebruary 2016July 2010Newer by 68 months
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution1620k230kClearer screen (+1390k dot)

Common features in the Pentax X90 and Sigma Quattro

 X90 Quattro 
Manually focus More accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen
Touch screen Neither offers Touch screen

Pentax X90 vs Sigma Quattro Physical Comparison

For those who are going to travel with your camera frequently, you'll have to factor its weight and proportions. The Pentax X90 offers exterior measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") along with a weight of 428 grams (0.94 lbs) whilst the Sigma Quattro has measurements of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") with a weight of 625 grams (1.38 lbs).

Look at the Pentax X90 vs Sigma Quattro in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ depending on the lens you are utilizing during that time. Below is a front view physical size comparison of the X90 compared to the Quattro.

Pentax X90 vs Sigma Quattro size comparison

Using dimensions and weight, the portability rating of the X90 and Quattro is 69 and 63 respectively.

Pentax X90 vs Sigma Quattro top view buttons comparison

Pentax X90 vs Sigma Quattro Sensor Comparison

Normally, it can be hard to picture the contrast in sensor dimensions simply by looking through technical specs. The picture underneath may offer you a much better sense of the sensor measurements in the X90 and Quattro.

As you have seen, the 2 cameras feature different megapixel count and different sensor dimensions. The X90 because of its smaller sensor is going to make getting shallower DOF harder and the Sigma Quattro will provide you with more detail utilizing its extra 17MP. Higher resolution can also enable you to crop shots way more aggressively. The more aged X90 will be disadvantaged in sensor technology.

Pentax X90 vs Sigma Quattro sensor size comparison

Pentax X90 vs Sigma Quattro Screen and ViewFinder

Pentax X90 vs Sigma Quattro Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X90 as a Portrait photography camera
Sigma Quattro as a Portrait photography camera
29
has manual focus
external flash not possible
MP count low (12 megapixels)
sensor is very small (1/2.3")
does not have RAW format
81
manual focus
high resolution (29 megapixels)
sensor size is good (APS-C)
includes face detect focusing
saves RAW files
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Street Comparison

Pentax X90 as a Street photography camera
Sigma Quattro as a Street photography camera
45
built in image stabilization (Sensor-shift)
no articulating screen
sensor is very small (1/2.3")
does not have RAW format
59
sensor size is good (APS-C)
saves RAW files
weather proof
no moving screen
lack of image stabilization
more heavy than competition (625 grams)
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Sports Comparison

Pentax X90 Sports photography information
Sigma Quattro Sports photography information
42
great zoom range (26-676mm 26.0 x zoom)
built in image stabilization (Sensor-shift)
comes with tracking focus
MP count low (12MP)
sensor is very small (1/2.3")
does not have phase detect AF
70
high resolution (29MP)
sensor size is good (APS-C)
includes tracking focus
weather proof
sensor has phase detect AF
max frames per second low (3.8 frames/s)
lack of image stabilization
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Travel Comparison

Pentax X90 as a Travel photography camera
Sigma Quattro as a Travel photography camera
51
built-in flash
pretty wide (26mm)
very long reach (676mm)
doesn't have Timelapse mode
MP count low (12MP)
does not offer selfie friendly screen
slow maximum aperture (f2.8)
55
weather proof
high resolution (29 megapixels)
doesn't have Timelapse recording
more heavy than competition (625g)
doesn't have a selfie friendly display
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Landscape Comparison

Pentax X90 as a Landscape photography camera
Sigma Quattro as a Landscape photography camera
35
has manual focus
pretty wide (26mm)
built in image stabilization (Sensor-shift)
can't switch lenses (fixed lens mount)
slow maximum aperture (f2.8)
screen is small (2.7 inches)
MP count low (12 megapixels)
sensor is very small (1/2.3")
does not have RAW format
doesn't have Timelapse mode
72
manual focus
switch lenses (Sigma SA mount)
screen size is good (3 inches)
high resolution (29 megapixels)
sensor size is good (APS-C)
saves RAW files
weather proof
lack of image stabilization
doesn't have Timelapse recording
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Vlogging Comparison

Pentax X90 as a Vlogging camera
Sigma Quattro as a Vlogging camera
23
pretty wide (26mm)
built in image stabilization (Sensor-shift)
slow maximum aperture (f2.8)
does not offer selfie friendly screen
low res video (1280 x 720 resolution)
doesn't have microphone socket
22
includes face detect focusing
doesn't have a selfie friendly display
lack of image stabilization
low quality video ( resolution)
doesn't have microphone support
more heavy than competition (625g)
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Pentax X90 vs Sigma Quattro Specifications

Detailed spec comparison table for Pentax X90 and Sigma Quattro
 Pentax X90Sigma sd Quattro
General Information
Make Pentax Sigma
Model Pentax X90 Sigma sd Quattro
Category Small Sensor Superzoom Advanced Mirrorless
Released 2010-07-06 2016-02-23
Physical type SLR-like (bridge) Rangefinder-style mirrorless
Sensor Information
Processor Chip Prime Dual TRUE III
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor measurements 6.08 x 4.56mm 23.5 x 15.6mm
Sensor surface area 27.7mm² 366.6mm²
Sensor resolution 12MP 29MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 4000 x 3000 5424 x 3616
Highest native ISO 6400 6400
Min native ISO 80 100
RAW pictures
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 9 9
Lens
Lens mounting type fixed lens Sigma SA
Lens focal range 26-676mm (26.0x) -
Highest aperture f/2.8-5.0 -
Macro focus range 1cm -
Total lenses - 76
Crop factor 5.9 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 2.7 inches 3 inches
Resolution of display 230k dots 1,620k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution - 2,360k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Slowest shutter speed 4 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate - 3.8fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range 9.10 m no built-in flash
Flash options - no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) -
Highest video resolution 1280x720 -
Video data format Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 428 grams (0.94 pounds) 625 grams (1.38 pounds)
Physical dimensions 111 x 85 x 110mm (4.4" x 3.3" x 4.3") 147 x 95 x 91mm (5.8" x 3.7" x 3.6")
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 model D-L106 BP-61
Self timer Yes (2 or 10 sec) Yes
Time lapse feature
Type of storage SD/SDHC, Internal SD/SDHC/SDXC
Card slots One One
Retail pricing $350 $738