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Olympus E-M10 IV vs Pentax X70

Portability
81
Imaging
63
Features
83
Overall
71
Olympus OM-D E-M10 IV front
 
Pentax X70 front
Portability
71
Imaging
35
Features
34
Overall
34

Olympus E-M10 IV vs Pentax X70 Key Specs

Olympus E-M10 IV
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 383g - 122 x 84 x 49mm
  • Released August 2020
  • Previous Model is Olympus E-M10 III
Pentax X70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 50 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-624mm (F2.8-5.0) lens
  • 410g - 110 x 83 x 90mm
  • Released March 2009
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Olympus E-M10 IV vs Pentax X70 Overview

Let's look more closely at the Olympus E-M10 IV versus Pentax X70, former being a Entry-Level Mirrorless while the other is a Small Sensor Superzoom by brands Olympus and Pentax. There exists a substantial gap among the image resolutions of the E-M10 IV (20MP) and X70 (12MP) and the E-M10 IV (Four Thirds) and X70 (1/2.3") feature different sensor measurements.

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The E-M10 IV was brought out 11 years later than the X70 and that is a fairly big difference as far as camera technology is concerned. Both of these cameras offer different body type with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax X70 being a SLR-like (bridge) camera.

Before diving straight into a comprehensive comparison, below is a simple overview of how the E-M10 IV grades versus the X70 with respect to portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Olympus E-M10 IV over the Pentax X70

 E-M10 IV X70 
ReleasedAugust 2020March 2009More recent by 140 months
Display typeTiltingFixed Tilting display
Display sizing3"2.7"Larger display (+0.3")
Display resolution1040k230kSharper display (+810k dot)
Selfie screen Easy selfies
Touch friendly display Easily navigate

Reasons to pick Pentax X70 over the Olympus E-M10 IV

 X70 E-M10 IV 

Common features in the Olympus E-M10 IV and Pentax X70

 E-M10 IV X70 
Manually focus Very exact focusing

Olympus E-M10 IV vs Pentax X70 Physical Comparison

If you are aiming to lug around your camera regularly, you'll need to factor in its weight and volume. The Olympus E-M10 IV has got exterior dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") accompanied by a weight of 383 grams (0.84 lbs) while the Pentax X70 has sizing of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") accompanied by a weight of 410 grams (0.90 lbs).

See the Olympus E-M10 IV versus Pentax X70 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ dependant on the lens you are working with at that time. Underneath is the front view sizing comparison of the E-M10 IV compared to the X70.

Olympus E-M10 IV vs Pentax X70 size comparison

Considering dimensions and weight, the portability rating of the E-M10 IV and X70 is 81 and 71 respectively.

Olympus E-M10 IV vs Pentax X70 top view buttons comparison

Olympus E-M10 IV vs Pentax X70 Sensor Comparison

More often than not, its difficult to picture the difference in sensor measurements purely by going through a spec sheet. The graphic underneath should offer you a greater sense of the sensor sizes in the E-M10 IV and X70.

Clearly, both cameras offer different megapixel count and different sensor measurements. The E-M10 IV due to its larger sensor is going to make shooting bokeh easier and the Olympus E-M10 IV will produce extra detail having its extra 8 Megapixels. Greater resolution will make it easier to crop pics a little more aggressively. The more recent E-M10 IV should have an advantage when it comes to sensor tech.

Olympus E-M10 IV vs Pentax X70 sensor size comparison

Olympus E-M10 IV vs Pentax X70 Screen and ViewFinder

Olympus E-M10 IV vs Pentax X70 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography info
Pentax X70 Portrait photography info
77
focusing manually
sensor resolution is decent (20MP)
good sensor size (Four Thirds)
provides face detection autofocus
supports RAW files
29
manual focus
no external flash support
low MP (12MP)
sensor is tiny (1/2.3")
doesn't have RAW files
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Street Comparison

Olympus E-M10 IV Street photography information
Pentax X70 Street photography information
84
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
supports RAW files
provides touch to focus
very good high ISO (25,600)
46
built in image stabilization (Sensor-shift)
fixed screen
sensor is tiny (1/2.3")
doesn't have RAW files
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Sports Comparison

Olympus E-M10 IV Sports photography information
Pentax X70 Sports photography information
73
silent shutter (1/16,000 seconds)
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (20 megapixels)
good sensor size (Four Thirds)
provides tracking autofocus
lack of phase detect autofocus
50
excellent zoom range (26-624mm 24.0 x zoom)
built in image stabilization (Sensor-shift)
supports tracking autofocus
sensor has phase detect auto focus
low MP (12MP)
sensor is tiny (1/2.3")
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Travel Comparison

Travel photography with Olympus E-M10 IV
Travel photography with Pentax X70
85
supports bluetooth
provides touch to focus
sensor resolution is decent (20 megapixels)
flash built-in
display is selfie friendly
52
flash built-in
quite wide (26mm)
long zoom (624mm)
no Time Lapse function
low MP (12MP)
display isn't selfie friendly
sluggish max aperture (f2.8)
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Landscape Comparison

Landscape photography with Olympus E-M10 IV
Landscape photography with Pentax X70
83
focusing manually
swap lenses (Micro Four Thirds mount)
pretty good screen size (3")
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (20 megapixels)
good sensor size (Four Thirds)
very good high ISO (25,600)
supports RAW files
36
manual focus
quite wide (26mm)
built in image stabilization (Sensor-shift)
cannot change lens (fixed lens mount)
sluggish max aperture (f2.8)
tiny screen (2.7 inches)
low MP (12MP)
sensor is tiny (1/2.3")
doesn't have RAW files
no Time Lapse function
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Vlogging Comparison

Olympus E-M10 IV Vlogging features
Pentax X70 Vlogging features
78
display is selfie friendly
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
provides face detection autofocus
high res video (3840 x 2160 pixels)
does not have external microphone port
24
quite wide (26mm)
built in image stabilization (Sensor-shift)
sluggish max aperture (f2.8)
display isn't selfie friendly
video res low (1280 x 720 pixels)
no external mic support
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Olympus E-M10 IV vs Pentax X70 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Pentax X70
 Olympus OM-D E-M10 IVPentax X70
General Information
Brand Olympus Pentax
Model Olympus OM-D E-M10 IV Pentax X70
Category Entry-Level Mirrorless Small Sensor Superzoom
Released 2020-08-04 2009-03-02
Physical type SLR-style mirrorless SLR-like (bridge)
Sensor Information
Chip TruePic VIII -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.4 x 13mm 6.17 x 4.55mm
Sensor surface area 226.2mm² 28.1mm²
Sensor resolution 20MP 12MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Full resolution 5184 x 3888 4000 x 3000
Max native ISO 25600 6400
Min native ISO 200 50
RAW data
Min boosted ISO 100 -
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 121 9
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 26-624mm (24.0x)
Maximal aperture - f/2.8-5.0
Macro focus range - 10cm
Amount of lenses 107 -
Crop factor 2.1 5.8
Screen
Display type Tilting Fixed Type
Display diagonal 3 inches 2.7 inches
Resolution of display 1,040k dots 230k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.62x -
Features
Lowest shutter speed 60 seconds 4 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Highest quiet shutter speed 1/16000 seconds -
Continuous shooting rate 8.7 frames per sec -
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range 7.20 m (at ISO 200) 9.10 m
Flash settings Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual -
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 3840x2160 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Mic support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 383 grams (0.84 lbs) 410 grams (0.90 lbs)
Dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 110 x 83 x 90mm (4.3" x 3.3" x 3.5")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 360 photos -
Battery style Battery Pack -
Battery model BLS-50 D-LI92
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC, Internal
Card slots One One
Pricing at launch $699 $200