Olympus E-P1 vs Sony A5100
The Olympus PEN E-P1 and the Sony Alpha A5100 are two digital cameras that were announced, respectively, in June 2009 and August 2014. Both the E-P1 and the A5100 are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-P1) and an APS-C (A5100) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Sony provides 24 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P1 and the Sony Alpha A5100? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
The physical size and weight of the Olympus E-P1 and the Sony A5100 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.
The E-P1 can be obtained in three different colors (black, silver, white), while the A5100 is available in two color-versions (black, white).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A5100 is notably smaller (18 percent) than the Olympus E-P1. Moreover, the A5100 is markedly lighter (20 percent) than the E-P1. In this context, it is worth noting that neither the E-P1 nor the A5100 are weather-sealed.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (E-P1) and the Sony E-Mount Lens Catalog (A5100). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.
Concerning battery life, the E-P1 gets 300 shots out of its BLS-1 battery, while the A5100 can take 400 images on a single charge of its NP-FW50 power pack. The power pack in the A5100 can be charged via the USB port, which can be very convenient when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Olympus E-P1||121 mm||70 mm||36 mm||355 g||300||n||Jun 2009||799||ebay.com|
|2.||Sony A5100||110 mm||63 mm||36 mm||283 g||400||n||Aug 2014||549||ebay.com|
|3.||Olympus E-M10||119 mm||82 mm||46 mm||396 g||320||n||Jan 2014||699||ebay.com|
|4.||Olympus E-P3||122 mm||69 mm||34 mm||369 g||330||n||Jun 2011||799||ebay.com|
|5.||Olympus E-PL2||114 mm||72 mm||42 mm||362 g||280||n||Jan 2011||599||ebay.com|
|6.||Olympus E-PL3||110 mm||64 mm||37 mm||313 g||300||n||Jun 2011||599||ebay.com|
|7.||Olympus E-PL1||115 mm||72 mm||42 mm||334 g||290||n||Feb 2010||599||ebay.com|
|8.||Olympus E-620||130 mm||94 mm||60 mm||521 g||500||n||Feb 2009||699||ebay.com|
|9.||Olympus E-P2||121 mm||70 mm||36 mm||355 g||300||n||Nov 2009||799||ebay.com|
|10.||Olympus E-520||136 mm||92 mm||68 mm||535 g||750||n||May 2008||699||ebay.com|
|11.||Panasonic GF1||119 mm||71 mm||36 mm||385 g||380||n||Sep 2009||749||ebay.com|
|12.||Panasonic GH1||124 mm||90 mm||45 mm||385 g||300||n||Mar 2009||899||ebay.com|
|13.||Sony RX100 IV||102 mm||58 mm||41 mm||298 g||280||n||Jun 2015||999||ebay.com|
|14.||Sony A5000||110 mm||63 mm||36 mm||269 g||420||n||Jan 2014||449||ebay.com|
|15.||Sony A6000||120 mm||67 mm||45 mm||344 g||360||n||Feb 2014||599||ebay.com|
|16.||Sony NEX-3N||110 mm||62 mm||35 mm||269 g||480||n||Feb 2013||499||ebay.com|
|17.||Sony RX100||102 mm||58 mm||36 mm||240 g||330||n||Jun 2012||649||ebay.com|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A5100 was launched at a markedly lower price (by 31 percent) than the E-P1, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Olympus E-P1 features a Four Thirds sensor and the Sony A5100 an APS-C sensor. The sensor area in the A5100 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the E-P1 has a native 4:3 aspect ratio, while the one in the A5100 offers a 3:2 aspect.
With 24MP, the A5100 offers a higher resolution than the E-P1 (12.2MP), but the A5100 has smaller individual pixels (pixel pitch of 3.91μm versus 4.29μm for the E-P1). Yet, the A5100 is a much more recent model (by 5 years and 2 months) than the E-P1, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.
The resolution advantage of the Sony A5100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A5100 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-P1 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.
The A5100 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Olympus PEN E-P1 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Sony Alpha A5100 are ISO 100 to ISO 25600 (no boost).
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the A5100 offers substantially better image quality than the E-P1 (overall score 25 points higher). The advantage is based on 2.4 bits higher color depth, 2.3 EV in additional dynamic range, and 1.3 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|1.||Olympus E-P1||Four Thirds||12.2||4032||3024||720/30p||21.4||10.4||536||55|
|3.||Olympus E-M10||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.3||884||72|
|4.||Olympus E-P3||Four Thirds||12.2||4032||3024||1080/60i||20.8||10.1||536||51|
|5.||Olympus E-PL2||Four Thirds||12.2||4032||3024||720/30p||21.4||10.2||573||55|
|6.||Olympus E-PL3||Four Thirds||12.2||4032||3024||1080/60i||20.9||10.3||499||52|
|7.||Olympus E-PL1||Four Thirds||12.2||4032||3024||720/30p||21.5||10.1||487||54|
|8.||Olympus E-620||Four Thirds||12.2||4032||3024||none||21.3||10.3||536||55|
|9.||Olympus E-P2||Four Thirds||12.2||4032||3024||720/30p||21.5||10.4||505||56|
|10.||Olympus E-520||Four Thirds||10.0||3648||2736||none||21.4||10.4||548||55|
|11.||Panasonic GF1||Four Thirds||12.0||4000||3000||720/30p||21.2||10.3||513||54|
|12.||Panasonic GH1||Four Thirds||12.0||4000||3000||1080/24p||21.6||11.6||772||64|
|13.||Sony RX100 IV||1-inch||20.0||5472||3648||4K/30p||22.8||12.6||591||70|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A5100 provides a better video resolution than the E-P1. It can shoot movie footage at 1080/60p, while the Olympus is limited to 720/30p.
Beyond body and sensor, cameras can and do differ across a range of features. The E-P1 and the A5100 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. The following table reports on some other key feature differences and similarities of the Olympus E-P1, the Sony A5100, and comparable cameras.
|1.||Olympus E-P1||none||n||3.0 / 230||fixed||n||1/4000s||3.0/s||n||Y|
|2.||Sony A5100||none||n||3.0 / 922||tilting||Y||1/4000s||6.0/s||Y||n|
|3.||Olympus E-M10||1440||n||3.0 / 1037||tilting||Y||1/4000s||8.0/s||Y||Y|
|4.||Olympus E-P3||optional||n||3.0 / 614||fixed||Y||1/4000s||3.0/s||Y||Y|
|5.||Olympus E-PL2||optional||n||3.0 / 460||fixed||n||1/4000s||3.0/s||Y||Y|
|6.||Olympus E-PL3||optional||n||3.0 / 460||tilting||n||1/4000s||5.5/s||n||Y|
|7.||Olympus E-PL1||optional||n||2.7 / 230||fixed||n||1/2000s||3.0/s||Y||Y|
|8.||Olympus E-620||optical||n||2.7 / 230||swivel||n||1/4000s||4.0/s||Y||Y|
|9.||Olympus E-P2||optional||n||3.0 / 230||fixed||n||1/4000s||3.0/s||n||Y|
|10.||Olympus E-520||optical||n||2.7 / 215||fixed||n||1/4000s||3.5/s||Y||Y|
|11.||Panasonic GF1||optional||n||3.0 / 460||fixed||n||1/4000s||3.0/s||Y||n|
|12.||Panasonic GH1||1440||n||3.0 / 460||swivel||n||1/4000s||3.0/s||Y||n|
|13.||Sony RX100 IV||2359||n||3.0 / 1228||tilting||n||1/2000s||16.0/s||Y||Y|
|14.||Sony A5000||none||n||3.0 / 461||tilting||n||1/4000s||3.5/s||Y||n|
|15.||Sony A6000||1440||n||3.0 / 922||tilting||n||1/4000s||11.0/s||Y||n|
|16.||Sony NEX-3N||optional||n||3.0 / 460||tilting||n||1/4000s||4.0/s||Y||n|
|17.||Sony RX100||none||n||3.0 / 1229||fixed||n||1/2000s||10.0/s||Y||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One feature that differentiates the E-P1 and the A5100 is in-body image stabilization (IBIS). The E-P1 reduces the risk of handshake-induced blur with all attached lenses, while the A5100 offers no blur reduction with lenses that themselves do not provide optical image stabilization.The A5100 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-P1 does not have a selfie-screen.
The E-P1 writes its imaging data to SDHC cards, while the A5100 uses SDXC or Memory Stick PRO Duo cards. The A5100 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the E-P1 cannot take advantage of Ultra High Speed SD cards.
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus PEN E-P1 and Sony Alpha A5100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Olympus E-P1||Y||stereo / -||-||-||mini||2.0||-||-||-|
|2.||Sony A5100||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|3.||Olympus E-M10||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|4.||Olympus E-P3||Y||stereo / -||-||-||mini||2.0||-||-||-|
|5.||Olympus E-PL2||Y||stereo / -||-||-||mini||2.0||-||-||-|
|6.||Olympus E-PL3||Y||stereo / -||-||-||mini||2.0||-||-||-|
|7.||Olympus E-PL1||Y||stereo / -||-||-||mini||2.0||-||-||-|
|8.||Olympus E-620||Y||- / -||-||-||-||2.0||-||-||-|
|9.||Olympus E-P2||Y||stereo / -||-||-||mini||2.0||-||-||-|
|10.||Olympus E-520||Y||- / -||-||-||-||2.0||-||-||-|
|11.||Panasonic GF1||Y||mono / mono||-||-||mini||2.0||-||-||-|
|12.||Panasonic GH1||Y||stereo / -||Y||-||mini||2.0||-||-||-|
|13.||Sony RX100 IV||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|14.||Sony A5000||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|15.||Sony A6000||Y||stereo / mono||-||-||micro||2.0||Y||Y||-|
|16.||Sony NEX-3N||-||stereo / mono||-||-||micro||2.0||-||-||-|
|17.||Sony RX100||-||stereo / mono||-||-||micro||2.0||-||-||-|
It is notable that the E-P1 has a hotshoe, while the A5100 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.
Both the E-P1 and the A5100 have been discontinued, but can regularly be found used on ebay. The E-P1 was replaced by the Olympus E-P2, while the A5100 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Sony websites.
So what conclusions can be drawn? Is there a clear favorite between the Olympus E-P1 and the Sony A5100? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Olympus PEN E-P1:
- Sharper images: Has hand-shake reducing image stabilization built-in.
- Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
- More heavily discounted: Has been available for much longer (launched in June 2009).
Arguments in favor of the Sony Alpha A5100:
- More detail: Has more megapixels (24 vs 12.2MP), which boosts linear resolution by 43%.
- Better image quality: Scores substantially higher (25 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (2.4 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (2.3 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (1.3 stops ISO advantage).
- Better video: Provides higher definition movie capture (1080/60p vs 720/30p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More detailed LCD: Has a higher resolution rear screen (922k vs 230k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (110x63mm vs 121x70mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 72g or 20 percent) and is thus easier to take along.
- Longer lasting: Gets more shots (400 versus 300) out of a single battery charge.
- Easier travel charging: Can be conveniently charged via its USB port.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More affordable: Was introduced into a lower priced category (31 percent cheaper at launch).
- More modern: Reflects 5 years and 2 months of technical progress since the E-P1 launch.
If the number of relative strengths (bullet points above) is taken as a guide, the A5100 is the clear winner of the contest (22 : 3 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Olympus E-P1 and the Sony A5100 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the E-P1 or the A5100 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|1.||Olympus E-P1||..||+||..||66/100||4/5||4.5/5||Jun 2009||799||ebay.com|
|2.||Sony A5100||4.5/5||+||..||..||4.5/5||5/5||Aug 2014||549||ebay.com|
|3.||Olympus E-M10||4/5||..||..||80/100||5/5||5/5||Jan 2014||699||ebay.com|
|4.||Olympus E-P3||..||83/100||..||74/100||4.5/5||4.5/5||Jun 2011||799||ebay.com|
|5.||Olympus E-PL2||3/5||83/100||..||71/100||4.5/5||4.5/5||Jan 2011||599||ebay.com|
|6.||Olympus E-PL3||3/5||+ +||..||72/100||4.5/5||4/5||Jun 2011||599||ebay.com|
|7.||Olympus E-PL1||..||86/100||..||69/100||4/5||4.5/5||Feb 2010||599||ebay.com|
|8.||Olympus E-620||3/5||88/100||..||72/100||4.5/5||5/5||Feb 2009||699||ebay.com|
|9.||Olympus E-P2||3/5||+||..||69/100||4/5||4.5/5||Nov 2009||799||ebay.com|
|10.||Olympus E-520||..||87/100||..||+ +||4.5/5||4.5/5||May 2008||699||ebay.com|
|11.||Panasonic GF1||..||85/100||..||69/100||4.5/5||4.5/5||Sep 2009||749||ebay.com|
|12.||Panasonic GH1||..||+ +||..||72/100||4.5/5||4.5/5||Mar 2009||899||ebay.com|
|13.||Sony RX100 IV||4.5/5||+ +||..||85/100||4/5||4.5/5||Jun 2015||999||ebay.com|
|14.||Sony A5000||3/5||+||..||..||4.5/5||4.5/5||Jan 2014||449||ebay.com|
|15.||Sony A6000||5/5||+||4.5/5||80/100||4.5/5||5/5||Feb 2014||599||ebay.com|
|16.||Sony NEX-3N||3/5||..||..||..||4.5/5||4.5/5||Feb 2013||499||ebay.com|
|17.||Sony RX100||5/5||+ +||..||78/100||4/5||5/5||Jun 2012||649||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 5DS R vs Sony A5100
- Canon M6 vs Sony A5100
- Canon S120 vs Sony A5100
- Canon XS vs Sony A5100
- Leica M10-P vs Sony A5100
- Nikon D3400 vs Olympus E-P1
- Nikon D40X vs Olympus E-P1
- Nikon D5200 vs Olympus E-P1
- Nikon Z6 II vs Olympus E-P1
- Olympus E-M1X vs Olympus E-P1
- Olympus E-P1 vs Olympus E-PL8
- Panasonic G6 vs Sony A5100
Specifications: Olympus E-P1 vs Sony A5100
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
|Camera Model||Olympus E-P1||Sony A5100|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Micro Four Thirds lenses||Sony E mount lenses|
|Launch Date||June 2009||August 2014|
|Launch Price||USD 799||USD 549|
|Sensor Specs||Olympus E-P1||Sony A5100|
|Sensor Format||Four Thirds Sensor||APS-C Sensor|
|Sensor Size||17.3 x 13.0 mm||23.5 x 15.6 mm|
|Sensor Area||224.9 mm2||366.6 mm2|
|Sensor Diagonal||21.6 mm||28.2 mm|
|Sensor Resolution||12.2 Megapixels||24 Megapixels|
|Image Resolution||4032 x 3024 pixels||6000 x 4000 pixels|
|Pixel Pitch||4.29 μm||3.91 μm|
|Pixel Density||5.42 MP/cm2||6.55 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||720/30p Video||1080/60p Video|
|ISO Setting||100 - 6,400 ISO||100 - 25,600 ISO|
|Image Processor||TruePic V||BIONZ X|
|DXO Sensor Quality (score)||55||80|
|DXO Color Depth (bits)||21.4||23.8|
|DXO Dynamic Range (EV)||10.4||12.7|
|DXO Low Light (ISO)||536||1347|
|Screen Specs||Olympus E-P1||Sony A5100|
|Viewfinder Type||no viewfinder||no viewfinder|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||230k dots||922k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Olympus E-P1||Sony A5100|
|Focus System||Contrast-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/4000s|
|Continuous Shooting||3 shutter flaps/s||6 shutter flaps/s|
|Image Stabilization||In-body stabilization||Lens stabilization only|
|Fill Flash||no On-Board Flash||Built-in Flash|
|Storage Medium||SDHC cards||MS or SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||no||UHS-I|
|Connectivity Specs||Olympus E-P1||Sony A5100|
|External Flash||Hotshoe||no Hotshoe|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||micro HDMI|
|Wifi Support||no Wifi||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Body Specs||Olympus E-P1||Sony A5100|
|Battery Life (CIPA)||300 shots per charge||400 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
121 x 70 x 36 mm
(4.8 x 2.8 x 1.4 in)
110 x 63 x 36 mm
(4.3 x 2.5 x 1.4 in)
|Camera Weight||355 g (12.5 oz)||283 g (10.0 oz)|
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