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Olympus E-PM1 vs Sony RX100 IV

Portability
89
Imaging
48
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
52
Features
79
Overall
62

Olympus E-PM1 vs Sony RX100 IV Key Specs

Olympus E-PM1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 265g - 110 x 64 x 34mm
  • Revealed November 2011
  • Successor is Olympus E-PM2
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Raise to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Revealed June 2015
  • Previous Model is Sony RX100 III
  • Newer Model is Sony RX100 V
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Olympus E-PM1 vs Sony RX100 IV Overview

The following is a extensive overview of the Olympus E-PM1 vs Sony RX100 IV, one is a Entry-Level Mirrorless and the other is a Large Sensor Compact by competitors Olympus and Sony. There is a sizeable difference between the sensor resolutions of the E-PM1 (12MP) and RX100 IV (20MP) and the E-PM1 (Four Thirds) and RX100 IV (1") posses different sensor sizing.

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The E-PM1 was launched 4 years prior to the RX100 IV which is quite a large gap as far as tech is concerned. Each of the cameras have different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before we go right into a thorough comparison, here is a simple summary of how the E-PM1 scores versus the RX100 IV in the way of portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-PM1 over the Sony RX100 IV

 E-PM1 RX100 IV 

Reasons to pick Sony RX100 IV over the Olympus E-PM1

 RX100 IV E-PM1 
RevealedJune 2015November 2011Newer by 43 months
Display typeTiltingFixed Tilting display
Display resolution1229k460kSharper display (+769k dot)
Selfie screen Take selfies

Common features in the Olympus E-PM1 and Sony RX100 IV

 E-PM1 RX100 IV 
Manually focus Very accurate focusing
Display dimensions3"3"Equal display measurement
Touch display Neither comes with Touch display

Olympus E-PM1 vs Sony RX100 IV Physical Comparison

For those who are intending to travel with your camera, you will want to think about its weight and volume. The Olympus E-PM1 comes with outside dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 265 grams (0.58 lbs) whilst the Sony RX100 IV has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 298 grams (0.66 lbs).

Check the Olympus E-PM1 vs Sony RX100 IV in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that moment. Below is a front view physical size comparison of the E-PM1 against the RX100 IV.

Olympus E-PM1 vs Sony RX100 IV size comparison

Looking at size and weight, the portability grade of the E-PM1 and RX100 IV is 89 and 89 respectively.

Olympus E-PM1 vs Sony RX100 IV top view buttons comparison

Olympus E-PM1 vs Sony RX100 IV Sensor Comparison

Often, it's hard to picture the contrast between sensor dimensions simply by reading specifications. The image underneath will offer you a greater sense of the sensor sizes in the E-PM1 and RX100 IV.

To sum up, the 2 cameras have different megapixel count and different sensor dimensions. The E-PM1 due to its larger sensor is going to make shooting shallow DOF simpler and the Sony RX100 IV will offer greater detail utilizing its extra 8 Megapixels. Greater resolution can also enable you to crop pics a bit more aggressively. The more aged E-PM1 is going to be disadvantaged with regard to sensor innovation.

Olympus E-PM1 vs Sony RX100 IV sensor size comparison

Olympus E-PM1 vs Sony RX100 IV Screen and ViewFinder

Olympus E-PM1 vs Sony RX100 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-PM1
Portrait photography with Sony RX100 IV
60
has manual focus
sensor size is nice (Four Thirds)
comes with face detection autofocus
supports RAW files
low megapixels (12 megapixels)
65
focusing manually
great flash sync speed (1/2,000s)
good megapixels (20MP)
good sensor size (1")
comes with face detect focusing
saves RAW files
external flash not possible
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Street Comparison

Street photography with Olympus E-PM1
Street photography with Sony RX100 IV
75
built in image stabilization (Sensor based)
sensor size is nice (Four Thirds)
supports RAW files
no articulating screen
85
screen tilts
built in image stabilization (Optical)
good sensor size (1")
saves RAW files
lighter than competition (298 grams)
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Sports Comparison

Olympus E-PM1 Sports photography highlights
Sony RX100 IV Sports photography highlights
49
built in image stabilization (Sensor based)
sensor size is nice (Four Thirds)
comes with tracking autofocus
max fps low (6.0 fps)
low megapixels (12MP)
lacks phase detect autofocus
68
quiet mode (1/32,000 seconds)
fast continuous shooting (16.0 frames/s)
built in image stabilization (Optical)
good megapixels (20 megapixels)
good sensor size (1")
comes with tracking focus
lack of phase detect AF
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Travel Comparison

Olympus E-PM1 Travel photography advice
Sony RX100 IV Travel photography advice
45
doesn't have Time Lapse function
low megapixels (12MP)
does not posses selfie friendly display
86
lighter than competition (298g)
good megapixels (20 megapixels)
flash built-in
display is selfie friendly
relatively wide (24mm)
fast maximum aperture (f1.8)
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Landscape Comparison

Landscape photography with Olympus E-PM1
Landscape photography with Sony RX100 IV
65
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3")
built in image stabilization (Sensor based)
sensor size is nice (Four Thirds)
supports RAW files
low megapixels (12MP)
doesn't have Time Lapse function
74
focusing manually
relatively wide (24mm)
fast maximum aperture (f1.8)
screen size is good (3")
built in image stabilization (Optical)
good megapixels (20 megapixels)
good sensor size (1")
saves RAW files
fixed lens (fixed lens mount)
Photography Glossary

Vlogging Comparison

Olympus E-PM1 Vlogging advice
Sony RX100 IV Vlogging advice
34
built in image stabilization (Sensor based)
comes with face detection autofocus
good video quality (1920 x 1080 pixels)
does not posses selfie friendly display
doesn't have external mic socket
81
relatively wide (24mm)
fast maximum aperture (f1.8)
display is selfie friendly
built in image stabilization (Optical)
comes with face detect focusing
video resolution high (3840 x 2160 pxls)
lighter than competition (298 grams)
lack of mic socket
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Olympus E-PM1 vs Sony RX100 IV Specifications

Detailed spec comparison table for Olympus E-PM1 and Sony RX100 IV
 Olympus PEN E-PM1Sony Cyber-shot DSC-RX100 IV
General Information
Company Olympus Sony
Model Olympus PEN E-PM1 Sony Cyber-shot DSC-RX100 IV
Category Entry-Level Mirrorless Large Sensor Compact
Revealed 2011-11-23 2015-06-10
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Processor Chip TruePic VI Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds 1"
Sensor dimensions 17.3 x 13mm 13.2 x 8.8mm
Sensor surface area 224.9mm² 116.2mm²
Sensor resolution 12 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Highest resolution 4032 x 3024 5472 x 3648
Highest native ISO 12800 12800
Highest boosted ISO - 25600
Lowest native ISO 100 125
RAW images
Lowest boosted ISO - 80
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 35 25
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 24-70mm (2.9x)
Maximum aperture - f/1.8-2.8
Macro focus range - 5cm
Total lenses 107 -
Focal length multiplier 2.1 2.7
Screen
Type of display Fixed Type Tilting
Display sizing 3" 3"
Display resolution 460k dots 1,229k dots
Selfie friendly
Liveview
Touch functionality
Display technology HyperCrystal LCD AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder Electronic (optional) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.59x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/4000s 1/2000s
Maximum quiet shutter speed - 1/32000s
Continuous shooting rate 6.0 frames per second 16.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range no built-in flash -
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) -
Hot shoe
AEB
White balance bracketing
Maximum flash synchronize 1/160s 1/2000s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 3840x2160
Video data format AVCHD, Motion JPEG MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 265g (0.58 lb) 298g (0.66 lb)
Physical dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO All around score 52 70
DXO Color Depth score 21.0 22.9
DXO Dynamic range score 10.3 12.6
DXO Low light score 499 562
Other
Battery life 330 photographs 280 photographs
Form of battery Battery Pack Battery Pack
Battery model BLS-5 NP-BX1
Self timer Yes (2 or 12 sec) Yes
Time lapse recording With downloadable app
Storage type SD/SDHC/SDXC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Cost at launch $499 $898