Olympus E-M1X vs Pentax K-5
54 Imaging
60 Features
93 Overall
73
60 Imaging
55 Features
82 Overall
65
Olympus E-M1X vs Pentax K-5 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 997g - 144 x 147 x 75mm
- Introduced January 2019
- Earlier Model is Olympus E-M1 II
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Display
- ISO 80 - 12800 (Expand to 51200)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 740g - 131 x 97 x 73mm
- Announced December 2010
- Earlier Model is Pentax K-7
- Later Model is Pentax K-5 IIs
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Below is a in depth assessment of the Olympus E-M1X vs Pentax K-5, former being a Pro Mirrorless while the other is a Advanced DSLR by companies Olympus and Pentax. There is a sizable difference among the image resolutions of the E-M1X (20MP) and K-5 (16MP) and the E-M1X (Four Thirds) and K-5 (APS-C) have totally different sensor measurements.
Photobucket discusses licensing 13 billion images with AI firmsThe E-M1X was released 8 years later than the K-5 and that is a fairly significant difference as far as camera tech is concerned. The two cameras feature different body design with the Olympus E-M1X being a SLR-style mirrorless camera and the Pentax K-5 being a Mid-size SLR camera.
Before delving into a complete comparison, here is a simple highlight of how the E-M1X scores against the K-5 with respect to portability, imaging, features and an overall grade.
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Following is a sample of the gallery pics for Olympus OM-D E-M1X & Pentax K-5. The complete galleries are provided at Olympus E-M1X Gallery & Pentax K-5 Gallery.
Reasons to pick Olympus E-M1X over the Pentax K-5
| E-M1X | K-5 | |||
|---|---|---|---|---|
| Announced | January 2019 | December 2010 | More recent by 99 months | |
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Display resolution | 1037k | 921k | Sharper display (+116k dot) | |
| Selfie screen | Take selfies | |||
| Touch friendly display | Easily navigate |
Reasons to pick Pentax K-5 over the Olympus E-M1X
| K-5 | E-M1X |
|---|
Common features in the Olympus E-M1X and Pentax K-5
| E-M1X | K-5 | |||
|---|---|---|---|---|
| Focus manually | More exact focusing | |||
| Display size | 3" | 3" | Same display measurements |
Olympus E-M1X vs Pentax K-5 Physical Comparison
If you're planning to lug around your camera often, you have to consider its weight and proportions. The Olympus E-M1X features outside dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") along with a weight of 997 grams (2.20 lbs) whilst the Pentax K-5 has measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 740 grams (1.63 lbs).
Examine the Olympus E-M1X vs Pentax K-5 in our completely new Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will vary depending on the lens you choose at that time. Underneath is a front view dimensions comparison of the E-M1X against the K-5.

Taking into consideration size and weight, the portability rating of the E-M1X and K-5 is 54 and 60 respectively.
Olympus E-M1X vs Pentax K-5 Sensor Comparison
Usually, it is hard to see the difference in sensor measurements only by checking out a spec sheet. The visual underneath may provide you a greater sense of the sensor sizes in the E-M1X and K-5.
Clearly, both the cameras feature different megapixels and different sensor measurements. The E-M1X due to its smaller sensor will make shooting shallower depth of field more challenging and the Olympus E-M1X will produce extra detail as a result of its extra 4MP. Greater resolution will let you crop pics way more aggressively. The newer E-M1X will have an advantage when it comes to sensor technology.
Olympus E-M1X vs Pentax K-5 Screen and ViewFinder
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Olympus E-M1X vs Pentax K-5 Specifications
| Olympus OM-D E-M1X | Pentax K-5 | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Pentax |
| Model type | Olympus OM-D E-M1X | Pentax K-5 |
| Category | Pro Mirrorless | Advanced DSLR |
| Introduced | 2019-01-24 | 2010-12-18 |
| Body design | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Powered by | Dual TruePic VIII | Prime II |
| 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 | 20MP | 16MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 3:2 |
| Highest resolution | 5184 x 3888 | 4928 x 3264 |
| Highest native ISO | 25600 | 12800 |
| Highest boosted ISO | - | 51200 |
| Lowest native ISO | 200 | 80 |
| RAW photos | ||
| Lowest boosted ISO | 64 | - |
| Autofocusing | ||
| Manual focusing | ||
| Touch to focus | ||
| Continuous AF | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | 121 | 11 |
| Cross type focus points | - | 9 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Pentax KAF2 |
| Number of lenses | 107 | 151 |
| Focal length multiplier | 2.1 | 1.5 |
| Screen | ||
| Range of screen | Fully Articulated | Fixed Type |
| Screen diagonal | 3 inch | 3 inch |
| Screen resolution | 1,037k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Screen tech | - | TFT LCD monitor |
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 2,360k dot | - |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.74x | 0.61x |
| Features | ||
| Lowest shutter speed | 60 seconds | 30 seconds |
| Highest shutter speed | 1/8000 seconds | 1/8000 seconds |
| Highest silent shutter speed | 1/32000 seconds | - |
| Continuous shooting speed | 60.0fps | 7.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | 13.00 m (at ISO 100) |
| Flash options | 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 sync, High speed, Rear curtain and Wireless |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Highest flash sync | - | 1/180 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 424 (25, 30 fps) |
| Highest video resolution | 4096x2160 | 1920x1080 |
| Video format | MPEG-4, H.264 | Motion JPEG |
| Microphone input | ||
| Headphone input | ||
| 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 | Optional |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 997 gr (2.20 lb) | 740 gr (1.63 lb) |
| Physical dimensions | 144 x 147 x 75mm (5.7" x 5.8" x 3.0") | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") |
| DXO scores | ||
| DXO All around rating | not tested | 82 |
| DXO Color Depth rating | not tested | 23.7 |
| DXO Dynamic range rating | not tested | 14.1 |
| DXO Low light rating | not tested | 1162 |
| Other | ||
| Battery life | 870 photographs | 980 photographs |
| Style of battery | Built-in | Battery Pack |
| Battery ID | - | D-LI90 |
| Self timer | Yes (2 or 12 secs, custom) | Yes ( 2 or 12 seconds) |
| Time lapse recording | ||
| Storage media | - | SD/SDHC/SDXC |
| Storage slots | 2 | One |
| Launch cost | $2,999 | $800 |