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Panasonic GX850 vs Pentax K-3 II

Portability
90
Imaging
55
Features
70
Overall
61
Panasonic Lumix DMC-GX850 front
 
Pentax K-3 II front
Portability
59
Imaging
66
Features
84
Overall
73

Panasonic GX850 vs Pentax K-3 II Key Specs

Panasonic GX850
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 269g - 107 x 65 x 33mm
  • Launched January 2017
  • Additionally referred to as Lumix DMC-GX800 / Lumix DMC-GF9
Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Announced April 2015
  • Older Model is Pentax K-3
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Panasonic GX850 vs Pentax K-3 II Overview

Its time to look closer at the Panasonic GX850 and Pentax K-3 II, one being a Entry-Level Mirrorless and the latter is a Advanced DSLR by manufacturers Panasonic and Pentax. There is a crucial difference among the image resolutions of the GX850 (16MP) and K-3 II (24MP) and the GX850 (Four Thirds) and K-3 II (APS-C) posses different sensor sizing.

Photography Glossary

The GX850 was brought out 21 months later than the K-3 II which makes them a generation apart from each other. Each of the cameras have different body design with the Panasonic GX850 being a Rangefinder-style mirrorless camera and the Pentax K-3 II being a Mid-size SLR camera.

Before getting straight to a full comparison, here is a brief summary of how the GX850 grades versus the K-3 II with respect to portability, imaging, features and an overall rating.

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Reasons to pick Panasonic GX850 over the Pentax K-3 II

 GX850 K-3 II 
AnnouncedJanuary 2017April 2015Fresher by 21 months
Screen typeTiltingFixed Tilting screen
Screen resolution1040k1037kSharper screen (+3k dot)
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Pentax K-3 II over the Panasonic GX850

 K-3 II GX850 
Screen dimensions3.2"3"Bigger screen (+0.2")

Common features in the Panasonic GX850 and Pentax K-3 II

 GX850 K-3 II 
Manual focus Dial exact focusing

Panasonic GX850 vs Pentax K-3 II Physical Comparison

For those who are intending to carry your camera, you will need to factor its weight and dimensions. The Panasonic GX850 has got outside dimensions of 107mm x 65mm x 33mm (4.2" x 2.6" x 1.3") with a weight of 269 grams (0.59 lbs) and the Pentax K-3 II has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") and a weight of 800 grams (1.76 lbs).

Check the Panasonic GX850 and Pentax K-3 II in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing during that time. Following is a front view sizing comparison of the GX850 compared to the K-3 II.

Panasonic GX850 vs Pentax K-3 II size comparison

Looking at size and weight, the portability grade of the GX850 and K-3 II is 90 and 59 respectively.

Panasonic GX850 vs Pentax K-3 II top view buttons comparison

Panasonic GX850 vs Pentax K-3 II Sensor Comparison

Generally, it can be hard to visualize the contrast in sensor sizing merely by seeing technical specs. The graphic below may provide you a greater sense of the sensor sizes in the GX850 and K-3 II.

As you have seen, each of these cameras have different resolutions and different sensor sizing. The GX850 because of its smaller sensor is going to make shooting shallower depth of field trickier and the Pentax K-3 II will produce extra detail having its extra 8 Megapixels. Higher resolution can also make it easier to crop photographs a bit more aggressively. The younger GX850 should have an edge when it comes to sensor technology.

Panasonic GX850 vs Pentax K-3 II sensor size comparison

Panasonic GX850 vs Pentax K-3 II Screen and ViewFinder

Panasonic GX850 vs Pentax K-3 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GX850 Portrait photography advice
Pentax K-3 II Portrait photography advice
66
focusing manually
megapixel count decent (16MP)
good sensor size (Four Thirds)
includes face detection focus
saves RAW files
can't use external flash
79
manual focus
resolution is good (24MP)
decent sensor size (APS-C)
features face detection focus
saves RAW files
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Street Comparison

Panasonic GX850 Street photography highlights
Pentax K-3 II Street photography highlights
80
tilting screen
good sensor size (Four Thirds)
saves RAW files
features focus by touch
great ISO range (25,600)
does not have image stabilization
69
image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
weather sealing
great high ISO (51,200)
screen is fixed
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Sports Comparison

Sports photography with Panasonic GX850
Sports photography with Pentax K-3 II
52
silent shutter (1/16,000 seconds)
megapixel count decent (16 megapixels)
good sensor size (Four Thirds)
includes tracking autofocus
low max shutter speed (1/500 seconds)
does not have image stabilization
bad battery (210 CIPA)
no phase detect auto focus
76
great max shutter speed (1/8,000s)
image stabilization (Sensor based)
resolution is good (24MP)
decent sensor size (APS-C)
features tracking autofocus
weather sealing
supports phase detect auto focus
bad battery (720 per charge)
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Travel Comparison

Panasonic GX850 Travel photography highlights
Pentax K-3 II Travel photography highlights
79
features focus by touch
megapixel count decent (16 megapixels)
has built in flash
selfie friendly screen
bad battery (210 CIPA)
56
weather sealing
resolution is good (24MP)
bad battery (720 per charge)
doesn't offer selfie friendly display
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Landscape Comparison

Landscape photography with Panasonic GX850
Landscape photography with Pentax K-3 II
71
focusing manually
swap lenses (Micro Four Thirds mount)
nice screen size (3")
megapixel count decent (16 megapixels)
good sensor size (Four Thirds)
no anti-alias filter
great ISO range (25,600)
saves RAW files
does not have image stabilization
bad battery (210 shots)
78
manual focus
switch lenses (Pentax KAF2 mount)
good sized screen (3.2")
image stabilization (Sensor based)
resolution is good (24 megapixels)
decent sensor size (APS-C)
doesnt have low pass filter
great high ISO (51,200)
saves RAW files
weather sealing
2 card slots
bad battery (720 CIPA)
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Vlogging Comparison

Panasonic GX850 Vlogging information
Pentax K-3 II Vlogging information
73
selfie friendly screen
touch screen
includes face detection focus
high quality video (3840 x 2160 pxls)
does not have image stabilization
missing external microphone support
34
image stabilization (Sensor based)
features face detection focus
high quality video (1920 x 1080 pixels)
comes with external microphone support
doesn't offer selfie friendly display
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Panasonic GX850 vs Pentax K-3 II Specifications

Detailed spec comparison table for Panasonic GX850 and Pentax K-3 II
 Panasonic Lumix DMC-GX850Pentax K-3 II
General Information
Company Panasonic Pentax
Model Panasonic Lumix DMC-GX850 Pentax K-3 II
Also Known as Lumix DMC-GX800 / Lumix DMC-GF9 -
Type Entry-Level Mirrorless Advanced DSLR
Launched 2017-01-04 2015-04-23
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip Venus Engine Prime III
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 16 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Maximum resolution 4592 x 3448 6016 x 4000
Maximum native ISO 25600 51200
Minimum native ISO 200 100
RAW files
Minimum boosted ISO 100 -
Autofocusing
Manual focus
AF touch
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 49 27
Cross focus points - 25
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Crop factor 2.1 1.5
Screen
Type of display Tilting Fixed Type
Display diagonal 3" 3.2"
Display resolution 1,040 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.64x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/500s 1/8000s
Maximum quiet shutter speed 1/16000s -
Continuous shooting rate 10.0fps 8.3fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 4.00 m (at ISO 100) no built-in flash
Flash options Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction Auto Flash Discharge, Auto Flash + Red-eye Reduction, 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 (available with dedicated external flash)
Hot shoe
AE bracketing
WB bracketing
Maximum flash synchronize - 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 30p / 100 Mbps, MP4, H.264, AAC3840 x 2160 @ 24p / 100 Mbps, MP4, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, MP4, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, AVCHD, MTS, H.264, Dolby Digital1920 x 1080 @ 60i / 17 Mbps, AVCHD, MTS, H.264, Dolby Digital1920 x 1080 @ 30p / 20 Mbps, MP4, H.264 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Maximum video resolution 3840x2160 1920x1080
Video file format MPEG-4, AVCHD MPEG-4, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In Optional
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 269 grams (0.59 lbs) 800 grams (1.76 lbs)
Physical dimensions 107 x 65 x 33mm (4.2" x 2.6" x 1.3") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around score 73 80
DXO Color Depth score 23.2 23.6
DXO Dynamic range score 13.3 13.6
DXO Low light score 586 1106
Other
Battery life 210 photographs 720 photographs
Battery style Battery Pack Battery Pack
Battery model - D-LI90
Self timer Yes (2, 10 sec, 3 images/10 sec) Yes ( 2 or 12 seconds)
Time lapse shooting
Storage type microSD/SDHC/SDXC Dual SD/SDHC/SDXC
Card slots 1 Two
Price at launch $548 $829