Olympus E-M1X vs Pentax K-01
54 Imaging
61 Features
93 Overall
73


76 Imaging
57 Features
68 Overall
61
Olympus E-M1X vs Pentax K-01 Key Specs
(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
(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

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.

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.

Olympus E-M1X vs Pentax K-01 Gallery
This is a sample of the gallery pictures for Olympus OM-D E-M1X & Pentax K-01. The full galleries are available at Olympus E-M1X Gallery & Pentax K-01 Gallery.
Reasons to pick Olympus E-M1X over the Pentax K-01
E-M1X | K-01 | |||
---|---|---|---|---|
Revealed | January 2019 | ![]() | May 2012 | More recent by 81 months |
Display type | Fully Articulated | ![]() | Fixed | Fully Articulating display |
Display resolution | 1037k | ![]() | 921k | Sharper 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 dimension | 3" | ![]() | 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.
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.

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 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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-M1X vs Pentax K-01 Specifications
Olympus OM-D E-M1X | Pentax 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 |