Olympus E-PM1 vs Ricoh GXR Mount A12
89 Imaging
48 Features
52 Overall
49


84 Imaging
53 Features
39 Overall
47
Olympus E-PM1 vs Ricoh GXR Mount A12 Key Specs
(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
- Updated by Olympus E-PM2
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Screen
- ISO 200 - 3200
- 1/9000s Maximum Shutter
- 1280 x 720 video
- ()mm (F) lens
- 370g - 120 x 70 x 45mm
- Launched August 2011

Olympus E-PM1 vs Ricoh GXR Mount A12 Overview
In this article, we will be contrasting the Olympus E-PM1 vs Ricoh GXR Mount A12, both Entry-Level Mirrorless cameras by rivals Olympus and Ricoh. The resolution of the E-PM1 (12MP) and the GXR Mount A12 (12MP) is relatively comparable but the E-PM1 (Four Thirds) and GXR Mount A12 (APS-C) feature different sensor measurements.

The E-PM1 was revealed 4 months later than the GXR Mount A12 which means that they are both of a similar age. Both of the cameras offer the identical body type (Rangefinder-style mirrorless).
Before diving straight into a thorough comparison, below is a quick introduction of how the E-PM1 matches up against the GXR Mount A12 with regards to portability, imaging, features and an overall rating.

Olympus E-PM1 vs Ricoh GXR Mount A12 Gallery
Here is a preview of the gallery photos for Olympus PEN E-PM1 & Ricoh GXR Mount A12. The full galleries are provided at Olympus E-PM1 Gallery & Ricoh GXR Mount A12 Gallery.
Reasons to pick Olympus E-PM1 over the Ricoh GXR Mount A12
E-PM1 | GXR Mount A12 |
---|
Reasons to pick Ricoh GXR Mount A12 over the Olympus E-PM1
GXR Mount A12 | E-PM1 | |||
---|---|---|---|---|
Screen resolution | 920k | ![]() | 460k | Crisper screen (+460k dot) |
Common features in the Olympus E-PM1 and Ricoh GXR Mount A12
E-PM1 | GXR Mount A12 | |||
---|---|---|---|---|
Launched | November 2011 | ![]() | August 2011 | Same age |
Manually focus | ![]() | Dial accurate focus | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen sizing | 3" | ![]() | 3" | Equivalent screen measurements |
Selfie screen | ![]() | Lack of selfie screen | ||
Touch friendly screen | ![]() | Neither comes with Touch friendly screen |
Olympus E-PM1 vs Ricoh GXR Mount A12 Physical Comparison
For anybody who is going to carry your camera frequently, you'll have to factor its weight and volume. The Olympus E-PM1 comes with outer dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") and a weight of 265 grams (0.58 lbs) whilst the Ricoh GXR Mount A12 has sizing of 120mm x 70mm x 45mm (4.7" x 2.8" x 1.8") having a weight of 370 grams (0.82 lbs).
Look at the Olympus E-PM1 vs Ricoh GXR Mount A12 in our newest Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will vary depending on the lens you choose during that time. Underneath is the front view physical size comparison of the E-PM1 versus the GXR Mount A12.

Factoring in dimensions and weight, the portability score of the E-PM1 and GXR Mount A12 is 89 and 84 respectively.

Olympus E-PM1 vs Ricoh GXR Mount A12 Sensor Comparison
Normally, it is very hard to picture the difference in sensor sizing only by seeing specs. The photograph underneath might provide you a much better sense of the sensor dimensions in the E-PM1 and GXR Mount A12.
All in all, both cameras offer the same exact megapixels albeit different sensor sizing. The E-PM1 comes with the smaller sensor which is going to make obtaining shallower DOF harder.

Olympus E-PM1 vs Ricoh GXR Mount A12 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-PM1 vs Ricoh GXR Mount A12 Specifications
Olympus PEN E-PM1 | Ricoh GXR Mount A12 | |
---|---|---|
General Information | ||
Make | Olympus | Ricoh |
Model | Olympus PEN E-PM1 | Ricoh GXR Mount A12 |
Category | Entry-Level Mirrorless | Entry-Level Mirrorless |
Revealed | 2011-11-23 | 2011-08-05 |
Body design | Rangefinder-style mirrorless | Rangefinder-style mirrorless |
Sensor Information | ||
Processor | TruePic VI | - |
Sensor type | CMOS | CMOS |
Sensor size | Four Thirds | APS-C |
Sensor measurements | 17.3 x 13mm | 23.6 x 15.7mm |
Sensor surface area | 224.9mm² | 370.5mm² |
Sensor resolution | 12MP | 12MP |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
Highest Possible resolution | 4032 x 3024 | 4288 x 2848 |
Maximum native ISO | 12800 | 3200 |
Min native ISO | 100 | 200 |
RAW format | ||
Autofocusing | ||
Focus manually | ||
AF touch | ||
AF continuous | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
Multi area AF | ||
Live view AF | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Number of focus points | 35 | - |
Lens | ||
Lens mounting type | Micro Four Thirds | fixed lens |
Lens focal range | - | () |
Available lenses | 107 | - |
Focal length multiplier | 2.1 | 1.5 |
Screen | ||
Range of display | Fixed Type | Fixed Type |
Display diagonal | 3 inches | 3 inches |
Resolution of display | 460k dot | 920k dot |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Display tech | HyperCrystal LCD AR(Anti-Reflective) coating | - |
Viewfinder Information | ||
Viewfinder | Electronic (optional) | Electronic (optional) |
Features | ||
Minimum shutter speed | 60 seconds | 1 seconds |
Fastest shutter speed | 1/4000 seconds | 1/9000 seconds |
Continuous shutter speed | 6.0fps | 3.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | 9.60 m |
Flash settings | Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) | Auto, On, Off, Red-Eye, Slow Sync, Manual |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Fastest flash sync | 1/160 seconds | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) | 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) |
Maximum video resolution | 1920x1080 | 1280x720 |
Video data format | AVCHD, Motion JPEG | Motion JPEG |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 265 gr (0.58 lbs) | 370 gr (0.82 lbs) |
Dimensions | 110 x 64 x 34mm (4.3" x 2.5" x 1.3") | 120 x 70 x 45mm (4.7" x 2.8" x 1.8") |
DXO scores | ||
DXO Overall score | 52 | not tested |
DXO Color Depth score | 21.0 | not tested |
DXO Dynamic range score | 10.3 | not tested |
DXO Low light score | 499 | not tested |
Other | ||
Battery life | 330 images | 330 images |
Battery form | Battery Pack | Battery Pack |
Battery model | BLS-5 | DB-90 |
Self timer | Yes (2 or 12 sec) | Yes (5 sec, custom) |
Time lapse shooting | ||
Type of storage | SD/SDHC/SDXC | SD/SDHC, Internal |
Storage slots | Single | Single |
Retail cost | $499 | $349 |