Fujifilm X100S vs Nikon D3100
The Fujifilm X100S and the Nikon D3100 are two digital cameras that were officially introduced, respectively, in January 2013 and August 2010. The X100S is a fixed lens compact, while the D3100 is a DSLR. Both cameras are equipped with an APS-C sensor. The Fujifilm has a resolution of 16 megapixels, whereas the Nikon provides 14.2 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 Fujifilm X100S and the Nikon D3100? 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.
An illustration of the physical size and weight of the Fujifilm X100S and the Nikon D3100 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.
The X100S can be obtained in two different colors (black, silver), while the D3100 is also available in two color-versions, but different ones (black, red).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D3100 is notably larger (27 percent) than the Fujifilm X100S. In this context, it is worth noting that neither the X100S nor the D3100 are weather-sealed.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the X100S has a lens built in, whereas the D3100 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the D3100 and their specifications in the Nikon Lens Catalog.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.
|1.||Fujifilm X100S||127 mm||74 mm||54 mm||445 g||330||n||Jan 2013||1,299|
|2.||Nikon D3100||124 mm||96 mm||75 mm||505 g||550||n||Aug 2010||599|
|3.||Canon G1 X||117 mm||81 mm||65 mm||534 g||250||n||Jan 2012||799|
|4.||Fujifilm X100F||127 mm||75 mm||52 mm||469 g||390||n||Jan 2017||1,299|
|5.||Fujifilm X30||119 mm||72 mm||60 mm||423 g||470||n||Aug 2014||599|
|6.||Fujifilm X100T||127 mm||74 mm||52 mm||440 g||330||n||Sep 2014||1,299|
|7.||Fujifilm X-Pro1||140 mm||82 mm||43 mm||450 g||300||n||Jan 2012||1,699|
|8.||Fujifilm X100||126 mm||75 mm||54 mm||445 g||300||n||Sep 2010||1,199|
|9.||Leica D-LUX 7||115 mm||66 mm||65 mm||392 g||300||n||Nov 2018||1,195|
|10.||Leica D-LUX Typ 109||118 mm||66 mm||55 mm||405 g||300||n||Sep 2014||1,195|
|11.||Leica X Typ 113||133 mm||73 mm||78 mm||486 g||350||n||Sep 2014||2,295|
|12.||Nikon Coolpix A||111 mm||64 mm||40 mm||299 g||230||n||Mar 2013||1,099|
|13.||Nikon D3200||125 mm||96 mm||77 mm||505 g||540||n||Apr 2012||599|
|14.||Nikon D5100||128 mm||97 mm||79 mm||560 g||660||n||Apr 2011||749|
|15.||Nikon D3000||126 mm||97 mm||64 mm||536 g||500||n||Jul 2009||599|
|16.||Nikon D5000||127 mm||104 mm||80 mm||590 g||510||n||Apr 2009||749|
|17.||Nikon D40||124 mm||94 mm||64 mm||522 g||470||n||Nov 2006||499|
|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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. 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.
The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.
Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the D3100 is 3 percent smaller. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 16MP, the X100S offers a higher resolution than the D3100 (14.2MP), but the X100S has smaller individual pixels (pixel pitch of 4.80μm versus 5.01μm for the D3100). However, the X100S is a much more recent model (by 2 years and 4 months) than the D3100, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the X100S has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Fujifilm X100S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X100S for good quality output (200 dots per inch) amounts to 24.5 x 16.3 inches or 62.2 x 41.5 cm, for very good quality (250 dpi) 19.6 x 13.1 inches or 49.7 x 33.2 cm, and for excellent quality (300 dpi) 16.3 x 10.9 inches or 41.5 x 27.6 cm. The corresponding values for the Nikon D3100 are 23 x 15.4 inches or 58.5 x 39 cm for good quality, 18.4 x 12.3 inches or 46.8 x 31.2 cm for very good quality, and 15.4 x 10.2 inches or 39 x 26 cm for excellent quality prints.
The X100S has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Fujifilm X100S has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Nikon D3100 are ISO 100 to ISO 3200, with the possibility to increase the ISO range to 100-12800.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
| DXO |
|3.||Canon G1 X||1.5-inch||14.2||4352||3264||1080/24p||21.7||10.8||644||60|
|9.||Leica D-LUX 7||Four Thirds||16.8||4736||3552||4K/30p||..||..||..||..|
|10.||Leica D-LUX Typ 109||Four Thirds||12.7||4112||3088||4K/30p||..||..||..||..|
|11.||Leica X Typ 113||APS-C||16.1||4928||3264||1080/30p||..||..||..||..|
|12.||Nikon Coolpix A||APS-C||16.1||4928||3264||1080/30p||23.4||13.8||1164||80|
Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the X100S provides a higher frame rate than the D3100. It can shoot video footage at 1080/60p, while the Nikon is limited to 1080/24p.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the X100S has an electronic viewfinder (2360k dots), while the D3100 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 viewfinder in the X100S offers a wider field of view (100%) than the one in the D3100 (95%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the D3100 has a higher magnification (0.53x vs 0.43x), 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 Fujifilm X100S, the Nikon D3100, and comparable cameras.
|3.||Canon G1 X||optical||n||3.0||922||Swivel||n||1/4000s||1.9||Y||Y|
|9.||Leica D-LUX 7||2764||n||3.0||1240||fixed||Y||1/4000s||11.0||n||Y|
|10.||Leica D-LUX Typ 109||2764||n||3.0||921||fixed||n||1/4000s||11.0||n||Y|
|11.||Leica X Typ 113||optional||n||3.0||920||fixed||n||1/2000s||5.0||Y||n|
|12.||Nikon Coolpix A||optional||n||3.0||921||fixed||n||1/2000s||4.0||Y||n|
Concerning the storage of imaging data, both the X100S and the D3100 write their files to SDXC cards. The X100S supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D3100 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 Fujifilm X100S and Nikon D3100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
| NFC |
|3.||Canon G1 X||Y||stereo||mono||-||-||mini||2.0||-||-||-|
|9.||Leica D-LUX 7||Y||stereo||mono||-||-||micro||2.0||Y||-||Y|
|10.||Leica D-LUX Typ 109||Y||stereo||mono||-||-||micro||2.0||Y||Y||-|
|11.||Leica X Typ 113||Y||stereo||mono||-||-||mini||2.0||-||-||-|
|12.||Nikon Coolpix A||Y||stereo||mono||-||-||-||2.0||-||-||-|
Both the X100S and the D3100 have been discontinued, but can regularly be found used on eBay. The D3100 was replaced by the Nikon D3200, while the X100S was followed by the Fujifilm X100T. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Nikon websites.
So what is the bottom line? Is there a clear favorite between the Fujifilm X100S and the Nikon D3100? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.
Reasons to prefer the Fujifilm X100S:
- More detail: Offers more megapixels (16 vs 14.2MP) with a 6% higher linear resolution.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better video: Provides higher movie framerates (1080/60p versus 1080/24p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- More detailed LCD: Has a higher resolution rear screen (460k vs 230k dots).
- Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
- Ready to shoot: Comes with a built-in lens, while the D3100 requires a separate lens.
- More compact: Is smaller (127x74mm vs 124x96mm) and thus needs less room in the bag.
- Less heavy: Is lighter even though it comes with a built-in lens (unlike the D3100).
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More modern: Reflects 2 years and 4 months of technical progress since the D3100 launch.
Arguments in favor of the Nikon D3100:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.53x vs 0.43x).
- Larger screen: Has a bigger rear LCD (3.0" vs 2.8") for image review and settings control.
- More flexible: Makes it possible to change lenses and thus to use specialty optics.
- Longer lasting: Gets more shots (550 versus 330) out of a single battery charge.
- More heavily discounted: Has been around for much longer (launched in August 2010).
If the count of individual advantages (bullet points above) is taken as a guide, the X100S is the clear winner of the match-up (13 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro 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 Fujifilm X100S and the Nikon D3100 place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the X100S and the D3100 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], 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.||Fujifilm X100S||5/5||+ +||81/100||4.5/5||5/5||Jan 2013||1,299|
|2.||Nikon D3100||5/5||+ +||72/100||4.5/5||4.5/5||Aug 2010||599|
|3.||Canon G1 X||5/5||+||76/100||4/5||4.5/5||Jan 2012||799|
|4.||Fujifilm X100F||5/5||+||83/100||4.5/5||4.5/5||Jan 2017||1,299|
|5.||Fujifilm X30||4/5||..||76/100||4.5/5||4.5/5||Aug 2014||599|
|6.||Fujifilm X100T||5/5||+||81/100||4.5/5||5/5||Sep 2014||1,299|
|7.||Fujifilm X-Pro1||5/5||+ +||79/100||4.5/5||4.5/5||Jan 2012||1,699|
|8.||Fujifilm X100||3/5||..||75/100||4/5||5/5||Sep 2010||1,199|
|9.||Leica D-LUX 7||..||..||..||..||4.5/5||Nov 2018||1,195|
|10.||Leica D-LUX Typ 109||..||..||..||4.5/5||4.5/5||Sep 2014||1,195|
|11.||Leica X Typ 113||3.5/5||..||..||3.5/5||4/5||Sep 2014||2,295|
|12.||Nikon Coolpix A||4/5||+||75/100||4/5||4/5||Mar 2013||1,099|
|13.||Nikon D3200||5/5||+ +||73/100||4.5/5||4.5/5||Apr 2012||599|
|14.||Nikon D5100||5/5||+ +||76/100||4.5/5||4.5/5||Apr 2011||749|
|15.||Nikon D3000||..||+||72/100||4/5||4.5/5||Jul 2009||599|
|16.||Nikon D5000||..||+ +||75/100||4/5||4.5/5||Apr 2009||749|
|17.||Nikon D40||..||81/100||+ +||o||4.5/5||Nov 2006||499|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
Specifications: Fujifilm X100S vs Nikon D3100
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||Fujifilm X100S||Nikon D3100|
|Camera Type||Fixed lens compact camera||Digital single lens reflex|
|Camera Lens||35mm f/2.0||Nikon F mount lenses|
|Launch Date||January 2013||August 2010|
|Launch Price||USD 1,299||USD 599|
|Sensor Specs||Fujifilm X100S||Nikon D3100|
|Sensor Format||APS-C Sensor||APS-C Sensor|
|Sensor Size||23.6 x 15.6 mm||23.1 x 15.4 mm|
|Sensor Area||368.16 mm2||355.74 mm2|
|Sensor Diagonal||28.3 mm||27.8 mm|
|Sensor Resolution||16 Megapixels||14.2 Megapixels|
|Image Resolution||4896 x 3264 pixels||4608 x 3072 pixels|
|Pixel Pitch||4.80 μm||5.01 μm|
|Pixel Density||4.34 MP/cm2||3.98 MP/cm2|
|Moiré control||no AA filter||Anti-Alias filter|
|Movie Capability||1080/60p Video||1080/24p Video|
|ISO Setting||200 - 6,400 ISO||100 - 3,200 ISO|
|ISO Boost||100 - 25,600 ISO||100 - 12,800 ISO|
|Image Processor||EXR Processor II||EXPEED 2|
|DXO Sensor Quality (score)||..||67|
|DXO Color Depth (bits)||..||22.5|
|DXO Dynamic Range (EV)||..||11.3|
|DXO Low Light (ISO)||..||919|
|Screen Specs||Fujifilm X100S||Nikon D3100|
|Viewfinder Type||Electronic viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||95%|
|Viewfinder Resolution||2360k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||2.8inch||3.0inch|
|LCD Resolution||460k dots||230k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Fujifilm X100S||Nikon D3100|
|Focus System||On-Sensor Phase-detect||Phase-detect AF|
|Manual Focusing Aid||Focus Peaking||no Peaking Feature|
|Continuous Shooting||6 shutter flaps/s||3 shutter flaps/s|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||no|
|Connectivity Specs||Fujifilm X100S||Nikon D3100|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||mini HDMI|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Fujifilm X100S||Nikon D3100|
|Battery Life (CIPA)||330 shots per charge||550 shots per charge|
127 x 74 x 54 mm
(5.0 x 2.9 x 2.1 in)
124 x 96 x 75 mm
(4.9 x 3.8 x 3.0 in)
|Camera Weight||445 g (15.7 oz)||505 g (17.8 oz)|
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