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Pentax 645Z vs Samsung NX3000

Portability
49
Imaging
81
Features
74
Overall
78
Pentax 645Z front
 
Samsung NX3000 front
Portability
89
Imaging
64
Features
62
Overall
63

Pentax 645Z vs Samsung NX3000 Key Specs

Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Launched April 2014
  • Previous Model is Pentax 645D
Samsung NX3000
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600
  • 1920 x 1080 video
  • Samsung NX Mount
  • 230g - 117 x 66 x 39mm
  • Introduced May 2014
  • Old Model is Samsung NX2000
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Pentax 645Z vs Samsung NX3000 Overview

Let's take a more detailed look at the Pentax 645Z vs Samsung NX3000, one is a Pro DSLR and the latter is a Entry-Level Mirrorless by rivals Pentax and Samsung. There exists a big gap among the image resolutions of the 645Z (51MP) and NX3000 (20MP) and the 645Z (Medium format) and NX3000 (APS-C) feature different sensor sizing.

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The 645Z was unveiled about the same time to the NX3000 and they are of a similar generation. Both the cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Samsung NX3000 being a Rangefinder-style mirrorless camera.

Before we go straight into a step-by-step comparison, below is a short summary of how the 645Z matches up against the NX3000 with regards to portability, imaging, features and an overall score.

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Reasons to pick Pentax 645Z over the Samsung NX3000

 645Z NX3000 
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution1037k461kSharper screen (+576k dot)

Reasons to pick Samsung NX3000 over the Pentax 645Z

 NX3000 645Z 

Common features in the Pentax 645Z and Samsung NX3000

 645Z NX3000 
IntroducedApril 2014May 2014Same generation
Manual focus Dial precise focus
Screen typeTiltingTiltingTilting screen
Selfie screen Absent selfie screen
Touch screen Neither includes Touch screen

Pentax 645Z vs Samsung NX3000 Physical Comparison

For anyone who is aiming to carry around your camera frequently, you'll have to think about its weight and dimensions. The Pentax 645Z features physical dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs) and the Samsung NX3000 has dimensions of 117mm x 66mm x 39mm (4.6" x 2.6" x 1.5") having a weight of 230 grams (0.51 lbs).

Check the Pentax 645Z vs Samsung NX3000 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising at that time. Below is the front view measurements comparison of the 645Z compared to the NX3000.

Pentax 645Z vs Samsung NX3000 size comparison

Taking into account dimensions and weight, the portability score of the 645Z and NX3000 is 49 and 89 respectively.

Pentax 645Z vs Samsung NX3000 top view buttons comparison

Pentax 645Z vs Samsung NX3000 Sensor Comparison

More often than not, it is very hard to imagine the difference in sensor sizes purely by seeing technical specs. The image here will offer you a stronger sense of the sensor dimensions in the 645Z and NX3000.

As you can tell, the two cameras have got different resolutions and different sensor sizes. The 645Z using its bigger sensor is going to make getting shallower depth of field simpler and the Pentax 645Z will provide more detail having an extra 31 Megapixels. Higher resolution can also make it easier to crop shots much more aggressively.

Pentax 645Z vs Samsung NX3000 sensor size comparison

Pentax 645Z vs Samsung NX3000 Screen and ViewFinder

Pentax 645Z vs Samsung NX3000 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645Z Portrait photography factors
Samsung NX3000 Portrait photography factors
88
you can focus manually
MP count fantastic (51 megapixels)
sensor size is great (Medium format)
supports face detect focus
exports RAW files
78
manual focus
decent megapixels (20 megapixels)
sensor size is decent (APS-C)
features face detection focus
saves RAW files
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Street Comparison

Street photography with Pentax 645Z
Street photography with Samsung NX3000
63
tilting screen
sensor size is great (Medium format)
exports RAW files
weather proof
good high ISO (204,800)
does not have image stabilization
more heavy than others in class (1,550g)
81
tilting screen
sensor size is decent (APS-C)
saves RAW files
lighter than others in class (230g)
good ISO range (25,600)
lack of image stabilization
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Sports Comparison

Pentax 645Z Sports photography factors
Samsung NX3000 Sports photography factors
71
MP count fantastic (51 megapixels)
sensor size is great (Medium format)
supports tracking focus
weather proof
sensor has phase detect auto focus
very slow continuous shooting (3.0 fps)
does not have image stabilization
low battery power (650 CIPA)
57
decent megapixels (20MP)
sensor size is decent (APS-C)
features tracking autofocus
slow frames per second (5.0 frames per second)
lack of image stabilization
no phase detect auto focus
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Travel Comparison

Pentax 645Z Travel photography info
Samsung NX3000 Travel photography info
51
weather proof
MP count fantastic (51MP)
low battery power (650 shots)
more heavy than others in class (1,550g)
display isn't selfie friendly
68
lighter than others in class (230 grams)
decent megapixels (20 megapixels)
does not have Time Lapse function
doesn't contain selfie friendly screen
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Landscape Comparison

Pentax 645Z Landscape photography details
Samsung NX3000 Landscape photography details
78
you can focus manually
switch lenses (Pentax 645AF2 mount)
nice screen size (3.2 inches)
MP count fantastic (51 megapixels)
sensor size is great (Medium format)
does not have low pass filter
good high ISO (204,800)
exports RAW files
weather proof
has dual storage slots
does not have image stabilization
low battery power (650 CIPA)
73
manual focus
change lenses (Samsung NX mount)
nice screen size (3")
decent megapixels (20 megapixels)
sensor size is decent (APS-C)
good ISO range (25,600)
saves RAW files
lack of image stabilization
does not have Time Lapse function
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Vlogging Comparison

Pentax 645Z Vlogging features
Samsung NX3000 Vlogging features
27
supports face detect focus
video resolution high (1920 x 1080 resolution)
includes microphone jack
display isn't selfie friendly
does not have image stabilization
more heavy than others in class (1,550g)
34
features face detection focus
video res high (1920 x 1080 pxls)
lighter than others in class (230g)
doesn't contain selfie friendly screen
lack of image stabilization
does not have external mic jack
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Pentax 645Z vs Samsung NX3000 Specifications

Detailed spec comparison table for Pentax 645Z and Samsung NX3000
 Pentax 645ZSamsung NX3000
General Information
Brand Name Pentax Samsung
Model Pentax 645Z Samsung NX3000
Class Pro DSLR Entry-Level Mirrorless
Launched 2014-04-15 2014-05-26
Body design Large SLR Rangefinder-style mirrorless
Sensor Information
Powered by PRIME III -
Sensor type CMOS CMOS
Sensor size Medium format APS-C
Sensor dimensions 44 x 33mm 23.5 x 15.7mm
Sensor surface area 1,452.0mm² 369.0mm²
Sensor resolution 51MP 20MP
Anti aliasing filter
Aspect ratio 4:3 1:1, 3:2 and 16:9
Full resolution 8256 x 6192 5472 x 3648
Max native ISO 204800 25600
Lowest native ISO 100 100
RAW files
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 27 35
Cross focus points - 1
Lens
Lens mount Pentax 645AF2 Samsung NX
Number of lenses 6 32
Crop factor 0.8 1.5
Screen
Screen type Tilting Tilting
Screen diagonal 3.2" 3"
Resolution of screen 1,037k dot 461k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Continuous shooting speed 3.0 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash modes Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync no built-in flash
External flash
AEB
WB bracketing
Maximum flash sync 1/125 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) 1920 x 1080 (30p), 1280 x 720, 640 x 480, 320 x 240
Max video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 H.264
Mic input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1550g (3.42 pounds) 230g (0.51 pounds)
Dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 117 x 66 x 39mm (4.6" x 2.6" x 1.5")
DXO scores
DXO All around score 101 not tested
DXO Color Depth score 26.0 not tested
DXO Dynamic range score 14.7 not tested
DXO Low light score 4505 not tested
Other
Battery life 650 photos 370 photos
Type of battery Battery Pack Battery Pack
Battery model D-LI90 B740
Self timer Yes (2 or 10 secs) Yes (2-30 sec)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC slots microSD/microSDHC/microSDXC
Storage slots Dual Single
Pricing at launch $5,024 $897