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Olympus E-M1X vs Pentax K-01

Portability
54
Imaging
61
Features
93
Overall
73
Olympus OM-D E-M1X front
 
Pentax K-01 front
Portability
76
Imaging
57
Features
68
Overall
61

Olympus E-M1X vs Pentax K-01 Key Specs

Olympus E-M1X
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 997g - 144 x 147 x 75mm
  • Revealed January 2019
  • Succeeded the Olympus E-M1 II
Pentax K-01
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 561g - 122 x 79 x 58mm
  • Revealed May 2012
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Olympus E-M1X vs Pentax K-01 Overview

Its time to examine more closely at the Olympus E-M1X and Pentax K-01, former being a Pro Mirrorless while the other is a Entry-Level Mirrorless by rivals Olympus and Pentax. There is a noticeable difference between the resolutions of the E-M1X (20MP) and K-01 (16MP) and the E-M1X (Four Thirds) and K-01 (APS-C) use different sensor measurements.

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The E-M1X was revealed 6 years later than the K-01 and that is quite a sizable difference as far as tech is concerned. Both the cameras come with the identical body type (SLR-style mirrorless).

Before delving through a step-by-step comparison, below is a quick overview of how the E-M1X scores vs the K-01 in terms of portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M1X over the Pentax K-01

 E-M1X K-01 
RevealedJanuary 2019May 2012More recent by 81 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution1037k921kSharper display (+116k dot)
Selfie screen Easy selfies
Touch display Easily navigate

Reasons to pick Pentax K-01 over the Olympus E-M1X

 K-01 E-M1X 

Common features in the Olympus E-M1X and Pentax K-01

 E-M1X K-01 
Manually focus Dial precise focus
Display dimension3"3"Identical display measurements

Olympus E-M1X vs Pentax K-01 Physical Comparison

For anybody who is aiming to lug around your camera frequently, you'll have to factor its weight and volume. The Olympus E-M1X has got outer measurements of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") with a weight of 997 grams (2.20 lbs) whilst the Pentax K-01 has sizing of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") accompanied by a weight of 561 grams (1.24 lbs).

Examine the Olympus E-M1X and Pentax K-01 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ based on the lens you are using at that time. Here is the front view proportions comparison of the E-M1X against the K-01.

Olympus E-M1X vs Pentax K-01 size comparison

Looking at size and weight, the portability grade of the E-M1X and K-01 is 54 and 76 respectively.

Olympus E-M1X vs Pentax K-01 top view buttons comparison

Olympus E-M1X vs Pentax K-01 Sensor Comparison

In many cases, its tough to visualize the gap between sensor measurements merely by reviewing specifications. The visual here should give you a greater sense of the sensor sizing in the E-M1X and K-01.

To sum up, the 2 cameras have got different megapixels and different sensor measurements. The E-M1X using its tinier sensor is going to make achieving bokeh more challenging and the Olympus E-M1X will offer extra detail because of its extra 4MP. Greater resolution can also make it easier to crop photos much more aggressively. The younger E-M1X should have an advantage when it comes to sensor innovation.

Olympus E-M1X vs Pentax K-01 sensor size comparison

Olympus E-M1X vs Pentax K-01 Screen and ViewFinder

Olympus E-M1X vs Pentax K-01 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus E-M1X Portrait photography features
Pentax K-01 Portrait photography features
76
focusing manually
good resolution (20 megapixels)
decent sensor size (Four Thirds)
includes face detection autofocus
exports RAW files
74
focusing manually
MP count good (16MP)
sensor size is decent (APS-C)
supports face detection autofocus
exports RAW formats
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Street Comparison

Olympus E-M1X Street photography factors
Pentax K-01 Street photography factors
67
fully articulated screen
has image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
exports RAW files
supports touch to focus
environment sealing
above average ISO range (25,600)
heavier than competition in class (997g)
66
has image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW formats
no moving screen
more heavy than competition in class (561g)
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Sports Comparison

Olympus E-M1X as a Sports photography camera
Pentax K-01 as a Sports photography camera
80
high shutter speed (1/8,000 seconds)
quiet shooting (1/32,000 seconds)
max frames per second high (60.0 frames per second)
has image stabilization (Sensor based 5-axis)
good resolution (20MP)
decent sensor size (Four Thirds)
includes tracking autofocus
environment sealing
great battery power (870 shots)
supports phase detect autofocus
61
has image stabilization (Sensor based)
MP count good (16 megapixels)
sensor size is decent (APS-C)
better than average battery power (540 shots)
max fps very slow (6.0 frames/s)
doesn't have phase detect autofocus
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Travel Comparison

Travel photography with Olympus E-M1X
Travel photography with Pentax K-01
68
great battery power (870 CIPA)
environment sealing
has bluetooth
supports touch to focus
good resolution (20MP)
selfie friendly display
heavier than competition in class (997g)
65
better than average battery power (540 CIPA)
MP count good (16 megapixels)
built-in flash
more heavy than competition in class (561 grams)
doesn't posses selfie friendly display
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Landscape Comparison

Olympus E-M1X as a Landscape photography camera
Pentax K-01 as a Landscape photography camera
79
focusing manually
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
good resolution (20 megapixels)
decent sensor size (Four Thirds)
above average ISO range (25,600)
exports RAW files
environment sealing
great battery power (870 shots)
two card slots
80
focusing manually
switch lenses (Pentax KAF2 mount)
pretty good screen size (3")
has image stabilization (Sensor based)
MP count good (16 megapixels)
sensor size is decent (APS-C)
exports RAW formats
better than average battery power (540 per charge)
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Vlogging Comparison

Vlogging with Olympus E-M1X
Vlogging with Pentax K-01
68
selfie friendly display
touchscreen capability
has image stabilization (Sensor based 5-axis)
includes face detection autofocus
high quality video (4096 x 2160 pixels)
comes with external mic socket
heavier than competition in class (997g)
34
has image stabilization (Sensor based)
supports face detection autofocus
high quality video (1920 x 1080 pixels)
has external microphone socket
doesn't posses selfie friendly display
more heavy than competition in class (561 grams)
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Olympus E-M1X vs Pentax K-01 Specifications

Detailed spec comparison table for Olympus E-M1X and Pentax K-01
 Olympus OM-D E-M1XPentax K-01
General Information
Manufacturer Olympus Pentax
Model type Olympus OM-D E-M1X Pentax K-01
Class Pro Mirrorless Entry-Level Mirrorless
Revealed 2019-01-24 2012-05-30
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip Dual TruePic VIII -
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.4 x 13mm 23.7 x 15.7mm
Sensor area 226.2mm² 372.1mm²
Sensor resolution 20 megapixels 16 megapixels
Anti alias filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Maximum resolution 5184 x 3888 4928 x 3264
Maximum native ISO 25600 12800
Maximum boosted ISO - 25600
Lowest native ISO 200 100
RAW images
Lowest boosted ISO 64 -
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 121 81
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Fully Articulated Fixed Type
Display size 3 inch 3 inch
Resolution of display 1,037 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Display tech - TFT LCD monitor
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.74x -
Features
Lowest shutter speed 60 secs 30 secs
Highest shutter speed 1/8000 secs 1/4000 secs
Highest quiet shutter speed 1/32000 secs -
Continuous shooting rate 60.0 frames/s 6.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance no built-in flash 12.00 m (at ISO 100)
Flash settings Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync.(1st curtain), Slow sync (2nd curtain), manual Auto, On, Off, Red-eye, Slow-speed Sync, Trailing Curtain Sync
Hot shoe
AEB
White balance bracketing
Highest flash synchronize - 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (30, 25, 24 fps),1280 x 720 (60, 50, 30, 25, 24 fps), 640 x 480 (30, 25, 24 fps)
Maximum video resolution 4096x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes (USB-PD allows charging by laptop or external power bank) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 997 gr (2.20 lbs) 561 gr (1.24 lbs)
Dimensions 144 x 147 x 75mm (5.7" x 5.8" x 3.0") 122 x 79 x 58mm (4.8" x 3.1" x 2.3")
DXO scores
DXO All around rating not tested 79
DXO Color Depth rating not tested 23.7
DXO Dynamic range rating not tested 12.9
DXO Low light rating not tested 1135
Other
Battery life 870 pictures 540 pictures
Type of battery Built-in Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 12 secs, custom) Yes (2 or 12 sec)
Time lapse feature
Type of storage - SD/SDHC/SDXC
Card slots Two Single
Retail price $2,999 $899