Nikon D7100 vs Olympus E-M1X
The Nikon D7100 and the Olympus OM-D E-M1X are two enthusiast cameras that were announced, respectively, in February 2013 and January 2019. The D7100 is a DSLR, while the E-M1X is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D7100) and a Four Thirds (E-M1X) sensor. The Nikon has a resolution of 24 megapixels, whereas the Olympus provides 20.2 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 Nikon D7100 and the Olympus OM-D E-M1X? 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 Nikon D7100 and the Olympus E-M1X are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.
The E-M1X can be obtained in two different colors (black, silver), while the D7100 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M1X is considerably larger (45 percent) than the Nikon D7100. Moreover, the E-M1X is markedly heavier (30 percent) than the D7100. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.
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 Nikon Lens Catalog (D7100) and the Micro Four Thirds Lens Catalog (E-M1X). Mirrorless cameras, such as the E-M1X, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.
Concerning battery life, the D7100 gets 950 shots out of its EN-EL15 battery, while the E-M1X can take 870 images on a single charge of its BLH-1 power pack. As can be seen in the images above, the E-M1X has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the D7100, Nikon provides the MB-D15 vertical grip as an optional accessory (see here on eBay). The power pack in the E-M1X 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.||Nikon D7100||136 mm||107 mm||76 mm||765 g||950||Y||Feb 2013||1,199|
|2.||Olympus E-M1X||144 mm||147 mm||75 mm||997 g||870||Y||Jan 2019||2,999|
|3.||Canon 70D||139 mm||104 mm||79 mm||755 g||920||Y||Jul 2013||1,199|
|4.||Nikon D7500||136 mm||104 mm||73 mm||720 g||950||Y||Apr 2017||1,299|
|5.||Nikon D500||147 mm||115 mm||81 mm||860 g||1240||Y||Jan 2016||1,999|
|6.||Nikon D7200||136 mm||107 mm||76 mm||765 g||1110||Y||Mar 2015||1,199|
|7.||Nikon D750||141 mm||113 mm||78 mm||750 g||1230||Y||Sep 2014||2,299|
|8.||Nikon D3300||124 mm||98 mm||76 mm||430 g||700||n||Jan 2014||499|
|9.||Nikon D610||141 mm||113 mm||82 mm||850 g||900||Y||Oct 2013||1,999|
|10.||Nikon D600||141 mm||113 mm||82 mm||850 g||900||Y||Sep 2012||2,099|
|11.||Nikon D7000||132 mm||105 mm||77 mm||780 g||1050||Y||Sep 2010||1,499|
|12.||Olympus E-M1 III||134 mm||91 mm||69 mm||580 g||420||Y||Feb 2020||1,799|
|13.||Olympus E-M5 III||125 mm||85 mm||50 mm||414 g||310||Y||Oct 2019||1,199|
|14.||Olympus E-M1 II||134 mm||91 mm||67 mm||574 g||440||Y||Sep 2016||1,999|
|15.||Panasonic S1||149 mm||110 mm||97 mm||1017 g||400||Y||Feb 2019||2,499|
|16.||Panasonic G90||130 mm||94 mm||77 mm||536 g||290||Y||Apr 2019||999|
|17.||Sony RX10||129 mm||88 mm||102 mm||813 g||420||Y||Oct 2013||1,299|
|Notes: 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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The D7100 was launched at a markedly lower price (by 60 percent) than the E-M1X, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. 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 more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Nikon D7100 features an APS-C sensor and the Olympus E-M1X a Four Thirds sensor. The sensor area in the E-M1X is 39 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D7100 has a native 3:2 aspect ratio, while the one in the E-M1X offers a 4:3 aspect.
In terms of underlying technology, both cameras are build around CMOS sensors.
With 24MP, the D7100 offers a higher resolution than the E-M1X (20.2MP), but the D7100 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.34μm for the E-M1X) due to its larger sensor. However, the E-M1X is a much more recent model (by 5 years and 11 months) than the D7100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.
The resolution advantage of the Nikon D7100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D7100 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-M1X are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.
The E-M1X has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the D7100, the E-M1X has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
The Nikon D7100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-25600. The corresponding ISO settings for the Olympus OM-D E-M1X are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 64-25600.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|2.||Olympus E-M1X||Four Thirds||20.2||5184||3888||4K/30p||23.2||13.0||1254||75|
|7.||Nikon D750||Full Frame||24.2||6016||4016||1080/60p||24.8||14.5||2956||93|
|9.||Nikon D610||Full Frame||24.2||6016||4016||1080/30p||25.1||14.4||2925||94|
|10.||Nikon D600||Full Frame||24.2||6016||4016||1080/30p||25.1||14.2||2980||94|
|12.||Olympus E-M1 III||Four Thirds||20.2||5184||3888||4K/30p||23.3||13.1||1356||76|
|13.||Olympus E-M5 III||Four Thirds||20.2||5184||3888||4K/30p||23.3||13.1||1324||76|
|14.||Olympus E-M1 II||Four Thirds||20.2||5184||3888||4K/30p||23.7||12.8||1312||80|
|15.||Panasonic S1||Full Frame||24.0||6000||4000||4K/60p||25.2||14.5||3333||95|
|16.||Panasonic G90||Four Thirds||20.2||5184||3888||4K/30p||23.2||13.0||1273||75|
|Note: DXO values in italics represent estimates based on sensor size and age.|
Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the E-M1X provides a better video resolution than the D7100. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/60p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M1X has an electronic viewfinder (2360k dots), while the D7100 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the E-M1X has a higher magnification than the one of the D7100 (0.83x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D7100, the Olympus E-M1X, and comparable cameras.
|1.||Nikon D7100||optical||Y||3.2 / 1229||fixed||n||1/8000s||6.0||Y||n|
|2.||Olympus E-M1X||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0||n||Y|
|3.||Canon 70D||optical||Y||3.0 / 1040||swivel||Y||1/8000s||7.0||Y||n|
|4.||Nikon D7500||optical||Y||3.2 / 922||tilting||Y||1/8000s||8.0||Y||n|
|5.||Nikon D500||optical||Y||3.2 / 2359||tilting||Y||1/8000s||10.0||n||n|
|6.||Nikon D7200||optical||Y||3.2 / 1229||fixed||n||1/8000s||6.0||Y||n|
|7.||Nikon D750||optical||Y||3.2 / 1229||tilting||n||1/4000s||6.0||Y||n|
|8.||Nikon D3300||optical||n||3.0 / 921||fixed||n||1/4000s||5.0||Y||n|
|9.||Nikon D610||optical||Y||3.2 / 921||fixed||n||1/4000s||6.0||Y||n|
|10.||Nikon D600||optical||Y||3.0 / 921||fixed||n||1/4000s||5.5||Y||n|
|11.||Nikon D7000||optical||Y||3.0 / 921||fixed||n||1/8000s||6.0||Y||n|
|12.||Olympus E-M1 III||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0||n||Y|
|13.||Olympus E-M5 III||2360||n||3.0 / 1040||swivel||Y||1/8000s||10.0||n||Y|
|14.||Olympus E-M1 II||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0||n||Y|
|15.||Panasonic S1||5760||Y||3.2 / 2100||full-flex||Y||1/8000s||9.0||n||Y|
|16.||Panasonic G90||2360||n||3.0 / 1240||swivel||Y||1/4000s||9.0||Y||Y|
|17.||Sony RX10||1440||Y||3.0 / 1229||tilting||n||1/3200s||10.0||Y||Y|
One difference between the cameras concerns the presence of an on-board flash. The D7100 has one, while the E-M1X does not. While the built-in flash of the D7100 is not very powerful, it can at times be useful as a fill-in light.The E-M1X 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 D7100 does not have a selfie-screen.
The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the E-M1X is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Nikon D7100 and the Olympus E-M1X both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
Concerning the storage of imaging data, both the D7100 and the E-M1X write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The E-M1X supports UHS-II cards (on both slots), while the D7100 can use UHS-I 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 Nikon D7100 and Olympus OM-D E-M1X and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Nikon D7100||Y||stereo / mono||Y||Y||mini||2.0||-||-||-|
|2.||Olympus E-M1X||Y||stereo / mono||Y||Y||micro||3.0||Y||-||Y|
|3.||Canon 70D||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|4.||Nikon D7500||Y||stereo / mono||Y||Y||mini||2.0||Y||-||Y|
|5.||Nikon D500||Y||stereo / mono||Y||Y||mini||3.0||Y||Y||Y|
|6.||Nikon D7200||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|7.||Nikon D750||Y||stereo / mono||Y||Y||mini||2.0||Y||-||-|
|8.||Nikon D3300||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|9.||Nikon D610||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|10.||Nikon D600||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|11.||Nikon D7000||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|12.||Olympus E-M1 III||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|13.||Olympus E-M5 III||Y||stereo / mono||Y||-||micro||2.0||Y||-||Y|
|14.||Olympus E-M1 II||Y||stereo / mono||Y||Y||micro||3.0||Y||-||-|
|15.||Panasonic S1||Y||stereo / mono||Y||Y||full||3.1||Y||-||Y|
|16.||Panasonic G90||Y||stereo / mono||Y||Y||micro||2.0||Y||-||Y|
|17.||Sony RX10||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the E-M1X offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D7100 does not provide wifi capability.
Studio photographers will appreciate that the Olympus E-M1X (unlike the D7100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Travel and landscape photographers will find it useful that the E-M1X has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The E-M1X is a recent model that features in the current product line-up of Olympus. In contrast, the D7100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the D7100 was succeeded by the Nikon D7200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Olympus websites.
So what conclusions can be drawn? Is there a clear favorite between the Nikon D7100 and the Olympus E-M1X? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Nikon D7100:
- More detail: Offers more megapixels (24 vs 20.2MP) with a 11% higher linear resolution.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Easier setting verification: Features an LCD display on top to control shooting parameters.
- Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1229k vs 1037k dots).
- More compact: Is smaller (136x107mm vs 144x147mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 232g or 23 percent) and hence easier to carry around.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More affordable: Was introduced into a lower priced category (60 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in February 2013).
Arguments in favor of the Olympus OM-D E-M1X:
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.83x vs 0.63x).
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or 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 (18 vs 6 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
- Easier travel charging: Can be conveniently charged via its USB port.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
- More modern: Reflects 5 years and 11 months of technical progress since the D7100 launch.
If the count of relative strengths (bullet points above) is taken as a measure, the E-M1X is the clear winner of the contest (21 : 10 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 Nikon D7100 and the Olympus E-M1X place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings 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 D7100 or the E-M1X perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major 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.||Nikon D7100||5/5||+ +||..||85/100||4.5/5||4.5/5||Feb 2013||1,199|
|2.||Olympus E-M1X||4.5/5||o||5/5||85/100||4.5/5||..||Jan 2019||2,999|
|3.||Canon 70D||5/5||+ +||..||83/100||4.5/5||5/5||Jul 2013||1,199|
|4.||Nikon D7500||4.5/5||+ +||4.5/5||86/100||5/5||4.5/5||Apr 2017||1,299|
|5.||Nikon D500||5/5||+ +||4.7/5||91/100||4.5/5||5/5||Jan 2016||1,999|
|6.||Nikon D7200||4/5||+ +||..||84/100||4.5/5||4.5/5||Mar 2015||1,199|
|7.||Nikon D750||5/5||+ +||4/5||90/100||4.5/5||4.5/5||Sep 2014||2,299|
|8.||Nikon D3300||3/5||+||..||77/100||4.5/5||4.5/5||Jan 2014||499|
|9.||Nikon D610||4/5||+ +||..||87/100||4.5/5||4.5/5||Oct 2013||1,999|
|10.||Nikon D600||4/5||+ +||..||87/100||5/5||4.5/5||Sep 2012||2,099|
|11.||Nikon D7000||4/5||..||..||80/100||4.5/5||4.5/5||Sep 2010||1,499|
|12.||Olympus E-M1 III||5/5||..||5/5||83/100||4.5/5||4/5||Feb 2020||1,799|
|13.||Olympus E-M5 III||5/5||+||5/5||82/100||4.5/5||4.5/5||Oct 2019||1,199|
|14.||Olympus E-M1 II||5/5||+ +||5/5||85/100||4.5/5||4.5/5||Sep 2016||1,999|
|15.||Panasonic S1||4.5/5||+ +||4.5/5||88/100||4.5/5||4/5||Feb 2019||2,499|
|16.||Panasonic G90||4.5/5||+||4.5/5||83/100||4.5/5||4.5/5||Apr 2019||999|
|17.||Sony RX10||5/5||+||..||80/100||4.5/5||4.5/5||Oct 2013||1,299|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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 1D X Mark III vs Olympus E-M1X
- Epson R-D1 vs Olympus E-M1X
- Fujifilm X-A2 vs Nikon D7100
- Leica V-LUX 1 vs Nikon D7100
- Nikon D7100 vs Olympus E-M10 II
- Nikon D7100 vs Panasonic G3
- Nikon D7100 vs Panasonic ZS100
- Nikon D7100 vs Pentax K-5
- Olympus E-M1 II vs Olympus E-M1X
- Olympus E-M1X vs Panasonic GX7
- Olympus E-M1X vs Panasonic TS7
- Olympus E-M1X vs Sony HX350
Specifications: Nikon D7100 vs Olympus E-M1X
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||Nikon D7100||Olympus E-M1X|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Nikon F mount lenses||Micro Four Thirds lenses|
|Launch Date||February 2013||January 2019|
|Launch Price||USD 1,199||USD 2,999|
|Sensor Specs||Nikon D7100||Olympus E-M1X|
|Sensor Format||APS-C Sensor||Four Thirds Sensor|
|Sensor Size||23.5 x 15.6 mm||17.3 x 13.0 mm|
|Sensor Area||366.6 mm2||224.9 mm2|
|Sensor Diagonal||28.2 mm||21.6 mm|
|Sensor Resolution||24 Megapixels||20.2 Megapixels|
|Image Resolution||6000 x 4000 pixels||5184 x 3888 pixels|
|Pixel Pitch||3.91 μm||3.34 μm|
|Pixel Density||6.55 MP/cm2||8.96 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||1080/60p Video||4K/30p Video|
|ISO Setting||100 - 6,400 ISO||200 - 25,600 ISO|
|ISO Boost||50 - 25,600 ISO||64 - 25,600 ISO|
|Image Processor||EXPEED 4||Dual TruePic VIII|
|DXO Sensor Quality (score)||83||..|
|DXO Color Depth (bits)||24.2||..|
|DXO Dynamic Range (EV)||13.7||..|
|DXO Low Light (ISO)||1256||..|
|Screen Specs||Nikon D7100||Olympus E-M1X|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||2360k dots|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.0inch|
|LCD Resolution||1229k dots||1037k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Nikon D7100||Olympus E-M1X|
|Focus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/8000s|
|Continuous Shooting||6 shutter flaps/s||18 shutter flaps/s|
|Shutter Life Expectancy||150 000 actuations||200 000 actuations|
|Electronic Shutter||no E-Shutter||up to 1/32000s|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Built-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||UHS-I||Dual UHS-II|
|Connectivity Specs||Nikon D7100||Olympus E-M1X|
|Studio Flash||no PC Sync||PC Sync socket|
|USB Connector||USB 2.0||USB 3.0|
|HDMI Port||mini HDMI||micro HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Geotagging||no internal GPS||GPS built-in|
|Body Specs||Nikon D7100||Olympus E-M1X|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||950 shots per charge||870 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
136 x 107 x 76 mm
(5.4 x 4.2 x 3.0 in)
144 x 147 x 75 mm
(5.7 x 5.8 x 3.0 in)
|Camera Weight||765 g (27.0 oz)||997 g (35.2 oz)|
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