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Panasonic GH5S vs Pentax 645D

Portability
62
Imaging
50
Features
82
Overall
62
Panasonic Lumix DC-GH5S front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Panasonic GH5S vs Pentax 645D Key Specs

Panasonic GH5S
(Full Review)
  • 10MP - Four Thirds Sensor
  • 3.2" Fully Articulated Screen
  • ISO 160 - 51200 (Expand to 204800)
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 660g - 139 x 98 x 87mm
  • Introduced January 2018
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Screen
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Announced March 2010
  • Successor is Pentax 645Z
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Panasonic GH5S vs Pentax 645D Overview

Lets take a more detailed look at the Panasonic GH5S and Pentax 645D, one is a Pro Mirrorless and the latter is a Pro DSLR by companies Panasonic and Pentax. There exists a big gap among the sensor resolutions of the GH5S (10MP) and 645D (40MP) and the GH5S (Four Thirds) and 645D (Medium format) feature different sensor sizing.

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The GH5S was announced 7 years after the 645D which is a fairly big gap as far as camera technology is concerned. Both of these cameras come with different body type with the Panasonic GH5S being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before we go through a complete comparison, below is a quick introduction of how the GH5S grades vs the 645D when considering portability, imaging, features and an overall mark.

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Reasons to pick Panasonic GH5S over the Pentax 645D

 GH5S 645D 
AnnouncedJanuary 2018March 2010Newer by 96 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution1620k921kSharper screen (+699k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax 645D over the Panasonic GH5S

 645D GH5S 

Common features in the Panasonic GH5S and Pentax 645D

 GH5S 645D 
Focus manually Dial accurate focus

Panasonic GH5S vs Pentax 645D Physical Comparison

If you're aiming to travel with your camera regularly, you'll have to think about its weight and measurements. The Panasonic GH5S comes with physical dimensions of 139mm x 98mm x 87mm (5.5" x 3.9" x 3.4") having a weight of 660 grams (1.46 lbs) while the Pentax 645D has proportions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Take a look at the Panasonic GH5S and Pentax 645D in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilising at that moment. Underneath is the front view scale comparison of the GH5S compared to the 645D.

Panasonic GH5S vs Pentax 645D size comparison

Considering dimensions and weight, the portability score of the GH5S and 645D is 62 and 50 respectively.

Panasonic GH5S vs Pentax 645D top view buttons comparison

Panasonic GH5S vs Pentax 645D Sensor Comparison

Typically, it's tough to picture the contrast in sensor dimensions simply by seeing a spec sheet. The pic below should provide you a much better sense of the sensor dimensions in the GH5S and 645D.

As you can see, the two cameras have got different resolutions and different sensor dimensions. The GH5S having a smaller sensor is going to make achieving shallow depth of field trickier and the Pentax 645D will show extra detail with its extra 30 Megapixels. Higher resolution will enable you to crop pictures much more aggressively. The fresher GH5S provides an advantage in sensor tech.

Panasonic GH5S vs Pentax 645D sensor size comparison

Panasonic GH5S vs Pentax 645D Screen and ViewFinder

Panasonic GH5S vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GH5S Portrait photography information
Pentax 645D Portrait photography information
62
has manual focus
sensor size is nice (Four Thirds)
supports face detect focusing
exports RAW formats
sensor resolution low (10MP)
77
you can focus manually
great sensor resolution (40 megapixels)
big sensor size (Medium format)
supports RAW formats
does not have liveview
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Street Comparison

Panasonic GH5S Street photography highlights
Pentax 645D Street photography highlights
68
screen can move to multiple angles
sensor size is nice (Four Thirds)
exports RAW formats
features focus via touch
environment sealing
good high ISO (51,200)
does not have image stabilization
58
big sensor size (Medium format)
supports RAW formats
weather proofing
no articulating screen
does not have image stabilization
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Sports Comparison

Panasonic GH5S Sports photography features
Pentax 645D Sports photography features
56
high shutter speed (1/8,000s)
quiet shutter (1/16,000s)
sensor size is nice (Four Thirds)
supports tracking focus
environment sealing
does not have image stabilization
sensor resolution low (10 megapixels)
no phase detect AF
63
great sensor resolution (40 megapixels)
big sensor size (Medium format)
weather proofing
supports phase detect autofocus
does not have liveview
painfully slow continuous shooting (1.0 fps)
does not have image stabilization
bad battery pack (800 per charge)
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Travel Comparison

Panasonic GH5S Travel photography highlights
Pentax 645D Travel photography highlights
61
environment sealing
connects via bluetooth
features focus via touch
display is selfie friendly
doesn't have Timelapse mode
sensor resolution low (10 megapixels)
55
weather proofing
great sensor resolution (40MP)
bad battery pack (800 per charge)
does not have a selfie friendly screen
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Landscape Comparison

Panasonic GH5S Landscape photography details
Pentax 645D Landscape photography details
63
has manual focus
switch lenses (Micro Four Thirds mount)
good sized screen (3.2 inches)
sensor size is nice (Four Thirds)
no anti-alias filter
good high ISO (51,200)
exports RAW formats
environment sealing
has dual storage slots
does not have image stabilization
sensor resolution low (10MP)
doesn't have Timelapse mode
72
you can focus manually
change lenses (Pentax 645AF2 mount)
screen size is good (3 inches)
great sensor resolution (40 megapixels)
big sensor size (Medium format)
does not have anti-alias filter
supports RAW formats
weather proofing
2 card slots
does not have liveview
does not have image stabilization
bad battery pack (800 CIPA)
Photography Glossary

Vlogging Comparison

Panasonic GH5S as a Vlogging camera
Pentax 645D as a Vlogging camera
68
display is selfie friendly
has touchscreen
supports face detect focusing
high quality video (4096 x 2160 resolution)
comes with microphone jack
does not have image stabilization
9
no video shooting
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Panasonic GH5S vs Pentax 645D Specifications

Detailed spec comparison table for Panasonic GH5S and Pentax 645D
 Panasonic Lumix DC-GH5SPentax 645D
General Information
Manufacturer Panasonic Pentax
Model type Panasonic Lumix DC-GH5S Pentax 645D
Category Pro Mirrorless Pro DSLR
Introduced 2018-01-08 2010-03-10
Physical type SLR-style mirrorless Large SLR
Sensor Information
Processor Chip Venus Engine 10 Prime II
Sensor type CMOS CCD
Sensor size Four Thirds Medium format
Sensor dimensions 17.3 x 13mm 44 x 33mm
Sensor area 224.9mm² 1,452.0mm²
Sensor resolution 10 megapixel 40 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Max resolution 3680 x 2760 7264 x 5440
Max native ISO 51200 1600
Max enhanced ISO 204800 -
Min native ISO 160 200
RAW photos
Min enhanced ISO 80 100
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 225 11
Lens
Lens mount type Micro Four Thirds Pentax 645AF2
Total lenses 107 6
Crop factor 2.1 0.8
Screen
Screen type Fully Articulated Fixed Type
Screen diagonal 3.2" 3"
Resolution of screen 1,620 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Screen technology - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 3,680 thousand dots -
Viewfinder coverage 100% 98%
Viewfinder magnification 0.76x 0.85x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/8000 secs 1/4000 secs
Max silent shutter speed 1/16000 secs -
Continuous shutter rate 12.0fps 1.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash options Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AEB
WB bracketing
Max flash synchronize - 1/125 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 4096 x 2160 @ 60p / 150 Mbps, MOV, H.264, Linear PCM -
Max video resolution 4096x2160 None
Video data format MPEG-4, H.264, H.265 -
Mic support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 660g (1.46 lb) 1480g (3.26 lb)
Dimensions 139 x 98 x 87mm (5.5" x 3.9" x 3.4") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO Overall rating not tested 82
DXO Color Depth rating not tested 24.6
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 1262
Other
Battery life 440 photographs 800 photographs
Battery style Battery Pack Battery Pack
Battery ID DMW-BLF19 D-LI90
Self timer Yes (2 or 10 secs, 10 secs w/3 images) Yes (2 or 10 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC cards (UHS-II V60 cards supported) SD/SDHC
Card slots Dual Dual
Launch pricing $2,498 $4,000