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Pentax 645D vs Samsung NX11

Portability
50
Imaging
75
Features
52
Overall
65
Pentax 645D front
 
Samsung NX11 front
Portability
80
Imaging
54
Features
50
Overall
52

Pentax 645D vs Samsung NX11 Key Specs

Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Launched March 2010
  • Refreshed by Pentax 645Z
Samsung NX11
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200
  • 1280 x 720 video
  • Samsung NX Mount
  • 499g - 123 x 87 x 40mm
  • Launched December 2010
  • Older Model is Samsung NX10
  • Later Model is Samsung NX20
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Pentax 645D vs Samsung NX11 Overview

Here is a detailed analysis of the Pentax 645D vs Samsung NX11, former being a Pro DSLR while the latter is a Entry-Level Mirrorless by rivals Pentax and Samsung. There exists a sizable gap among the sensor resolutions of the 645D (40MP) and NX11 (15MP) and the 645D (Medium format) and NX11 (APS-C) have different sensor size.

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The 645D was announced 9 months prior to the NX11 so they are both of a similar age. The two cameras have different body design with the Pentax 645D being a Large SLR camera and the Samsung NX11 being a SLR-style mirrorless camera.

Before diving into a in-depth comparison, here is a quick introduction of how the 645D scores against the NX11 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Pentax 645D over the Samsung NX11

 645D NX11 
Screen resolution921k614kClearer screen (+307k dot)

Reasons to pick Samsung NX11 over the Pentax 645D

 NX11 645D 
LaunchedDecember 2010March 2010Fresher by 9 months

Common features in the Pentax 645D and Samsung NX11

 645D NX11 
Focus manually More exact focus
Screen typeFixed Fixed Fixed screen
Screen dimensions3"3"Equal screen size
Selfie screen Absent selfie screen
Touch friendly screen Neither includes Touch friendly screen

Pentax 645D vs Samsung NX11 Physical Comparison

For anyone who is looking to carry your camera, you will need to take into account its weight and dimensions. The Pentax 645D features outer dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) while the Samsung NX11 has dimensions of 123mm x 87mm x 40mm (4.8" x 3.4" x 1.6") accompanied by a weight of 499 grams (1.10 lbs).

Check out the Pentax 645D vs Samsung NX11 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary depending on the lens you have chosen during that time. Underneath is a front view overall size comparison of the 645D against the NX11.

Pentax 645D vs Samsung NX11 size comparison

Looking at dimensions and weight, the portability grade of the 645D and NX11 is 50 and 80 respectively.

Pentax 645D vs Samsung NX11 top view buttons comparison

Pentax 645D vs Samsung NX11 Sensor Comparison

Typically, it is hard to picture the gap in sensor sizing just by viewing specs. The graphic underneath may offer you a much better sense of the sensor sizes in the 645D and NX11.

All in all, the two cameras provide different megapixel count and different sensor sizing. The 645D having a bigger sensor is going to make achieving shallow depth of field less difficult and the Pentax 645D will provide you with greater detail with its extra 25 Megapixels. Higher resolution can also help you crop pictures more aggressively. The older 645D will be disadvantaged with regard to sensor innovation.

Pentax 645D vs Samsung NX11 sensor size comparison

Pentax 645D vs Samsung NX11 Screen and ViewFinder

Pentax 645D vs Samsung NX11 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax 645D
Portrait photography with Samsung NX11
77
focusing manually
high MP (40MP)
great sensor size (Medium format)
exports RAW formats
no liveview
72
has manual focus
good MP (15MP)
sensor size is decent (APS-C)
provides face detection focusing
exports RAW formats
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Street Comparison

Pentax 645D Street photography factors
Samsung NX11 Street photography factors
58
great sensor size (Medium format)
exports RAW formats
weather proofing
screen is fixed
does not have image stabilization
60
sensor size is decent (APS-C)
exports RAW formats
no articulating screen
does not have image stabilization
more heavy than average in class (499 grams)
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Sports Comparison

Pentax 645D Sports photography features
Samsung NX11 Sports photography features
62
high MP (40MP)
great sensor size (Medium format)
weather proofing
has phase detect auto focus
no liveview
continuous shooting slow (1.0 fps)
does not have image stabilization
terrible battery power (800 shots)
52
good MP (15 megapixels)
sensor size is decent (APS-C)
great battery power (400 shots)
very slow continuous shooting (3.0 frames/s)
does not have image stabilization
does not have phase detect AF
Photography Glossary

Travel Comparison

Pentax 645D as a Travel photography camera
Samsung NX11 as a Travel photography camera
55
weather proofing
high MP (40MP)
terrible battery power (800 shots)
display is not selfie friendly
62
great battery power (400 shots)
good MP (15MP)
flash built-in
lack of Timelapse function
more heavy than average in class (499 grams)
doesn't feature selfie friendly display
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Landscape Comparison

Pentax 645D as a Landscape photography camera
Samsung NX11 as a Landscape photography camera
72
focusing manually
interchangeable lenses (Pentax 645AF2 mount)
screen is a good size (3")
high MP (40 megapixels)
great sensor size (Medium format)
no low pass filter
exports RAW formats
weather proofing
has double storage slots
no liveview
does not have image stabilization
terrible battery power (800 shots)
68
has manual focus
interchangeable lenses (Samsung NX mount)
screen size is good (3 inch)
good MP (15 megapixels)
sensor size is decent (APS-C)
exports RAW formats
great battery power (400 CIPA)
does not have image stabilization
lack of Timelapse function
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Vlogging Comparison

Pentax 645D Vlogging advice
Samsung NX11 Vlogging advice
9
no video
24
provides face detection focusing
doesn't feature selfie friendly display
does not have image stabilization
video resolution low (1280 x 720 pixels)
lack of external microphone port
more heavy than average in class (499g)
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Pentax 645D vs Samsung NX11 Specifications

Detailed spec comparison table for Pentax 645D and Samsung NX11
 Pentax 645DSamsung NX11
General Information
Make Pentax Samsung
Model type Pentax 645D Samsung NX11
Class Pro DSLR Entry-Level Mirrorless
Launched 2010-03-10 2010-12-28
Body design Large SLR SLR-style mirrorless
Sensor Information
Chip Prime II DRIM Engine
Sensor type CCD CMOS
Sensor size Medium format APS-C
Sensor measurements 44 x 33mm 23.4 x 15.6mm
Sensor surface area 1,452.0mm² 365.0mm²
Sensor resolution 40MP 15MP
Anti alias filter
Aspect ratio 4:3 3:2 and 16:9
Maximum resolution 7264 x 5440 4592 x 3056
Maximum native ISO 1600 3200
Min native ISO 200 100
RAW format
Min boosted ISO 100 -
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 15
Lens
Lens mount type Pentax 645AF2 Samsung NX
Amount of lenses 6 32
Focal length multiplier 0.8 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 3 inch
Resolution of display 921k dot 614k dot
Selfie friendly
Liveview
Touch display
Display tech TFT Color LCD with wide-viewing angle and with AR coating Active Matrix OLED screen
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.85x 0.57x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting speed 1.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 11.00 m
Flash options Auto, On, Off, Red-eye, Slow Sync, Rear Curtain Auto, On, Off, Red-eye, Fill-in, 1st/2nd Curtain, Smart Flash, Manual
External flash
Auto exposure bracketing
WB bracketing
Highest flash sync 1/125 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution None 1280x720
Video format - H.264
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1480 grams (3.26 pounds) 499 grams (1.10 pounds)
Physical dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 123 x 87 x 40mm (4.8" x 3.4" x 1.6")
DXO scores
DXO All around rating 82 63
DXO Color Depth rating 24.6 22.7
DXO Dynamic range rating 12.6 10.8
DXO Low light rating 1262 553
Other
Battery life 800 pictures 400 pictures
Battery form Battery Pack Battery Pack
Battery ID D-LI90 BP1130
Self timer Yes (2 or 10 sec) Yes (2 sec to 30 sec)
Time lapse recording
Storage media SD/SDHC SD/SDHC
Storage slots 2 1
Retail cost $4,000 $626