Nikon D3100 vs Z6 II
The Nikon D3100 and the Nikon Z6 II are two digital cameras that were revealed to the public, respectively, in August 2010 and October 2020. The D3100 is a DSLR, while the Z6 II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D3100) and a full frame (Z6 II) sensor. The D3100 has a resolution of 14.2 megapixels, whereas the Z6 II provides 24.3 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 D3100 and the Nikon Z6 II? 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 D3100 and the Nikon Z6 II are illustrated 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 size dimensions are rounded to the nearest millimeter.
The D3100 can be obtained in two different colors (black, red), while the Z6 II 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 Nikon Z6 II is notably larger (14 percent) than the Nikon D3100. Moreover, the Z6 II is substantially heavier (40 percent) than the D3100. It is noteworthy in this context that the Z6 II is splash and dust-proof, while the D3100 does not feature any corresponding weather-sealing.
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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.
Concerning battery life, the D3100 gets 550 shots out of its EN-EL14 battery, while the Z6 II can take 410 images on a single charge of its EN-EL15c power pack. The power pack in the Z6 II 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 D3100||124 mm||96 mm||75 mm||505 g||550||n||Aug 2010||599||ebay.com|
|2.||Nikon Z6 II||134 mm||101 mm||70 mm||705 g||410||Y||Oct 2020||1,999||amazon.com|
|3.||Nikon Z5||134 mm||101 mm||67 mm||675 g||470||Y||Jul 2020||1,399||amazon.com|
|4.||Nikon Z6||134 mm||101 mm||67 mm||675 g||310||Y||Aug 2018||1,999||ebay.com|
|5.||Nikon Z7||134 mm||101 mm||67 mm||675 g||330||Y||Aug 2018||3,399||ebay.com|
|6.||Nikon D750||141 mm||113 mm||78 mm||750 g||1230||Y||Sep 2014||2,299||ebay.com|
|7.||Nikon D3200||125 mm||96 mm||77 mm||505 g||540||n||Apr 2012||599||ebay.com|
|8.||Nikon D5100||128 mm||97 mm||79 mm||560 g||660||n||Apr 2011||749||ebay.com|
|9.||Nikon D7000||132 mm||105 mm||77 mm||780 g||1050||Y||Sep 2010||1,499||ebay.com|
|10.||Nikon D3000||126 mm||97 mm||64 mm||536 g||500||n||Jul 2009||599||ebay.com|
|11.||Nikon D5000||127 mm||104 mm||80 mm||590 g||510||n||Apr 2009||749||ebay.com|
|12.||Nikon D60||126 mm||94 mm||64 mm||522 g||500||n||Jan 2008||629||ebay.com|
|13.||Nikon D40X||124 mm||94 mm||64 mm||522 g||520||n||Mar 2007||729||ebay.com|
|14.||Nikon D40||124 mm||94 mm||64 mm||522 g||470||n||Nov 2006||499||ebay.com|
|15.||Sony A7 II||127 mm||96 mm||60 mm||599 g||350||Y||Nov 2014||1,999||ebay.com|
|16.||Sony NEX-5N||111 mm||59 mm||38 mm||269 g||460||n||Aug 2011||699||ebay.com|
|17.||Sony NEX-C3||110 mm||60 mm||33 mm||225 g||400||n||Jun 2011||599||ebay.com|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The D3100 was launched at a markedly lower price (by 70 percent) than the Z6 II, 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.
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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the 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 D3100 features an APS-C sensor and the Nikon Z6 II a full frame sensor. The sensor area in the Z6 II is 141 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 24.3MP, the Z6 II offers a higher resolution than the D3100 (14.2MP), but the Z6 II nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.01μm for the D3100) due to its larger sensor. Moreover, the Z6 II is a much more recent model (by 10 years and 1 month) than the D3100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.
The resolution advantage of the Nikon Z6 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Z6 II for good quality output (200 dots per inch) amounts to 30.2 x 20.1 inches or 76.8 x 51.1 cm, for very good quality (250 dpi) 24.2 x 16.1 inches or 61.4 x 40.9 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inches or 51.2 x 34.1 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 Z6 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Nikon D3100 has a native sensitivity range from ISO 100 to ISO 3200, which can be extended to ISO 100-12800. The corresponding ISO settings for the Nikon Z6 II are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.
In terms of underlying technology, the D3100 is build around a CMOS sensor, while the Z6 II uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
For many cameras, data on sensor performance has been reported by DXO Mark. 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. Of the two cameras under consideration, the Z6 II offers substantially better image quality than the D3100 (overall score 27 points higher). The advantage is based on 2.5 bits higher color depth, 3.1 EV in additional dynamic range, and 1.8 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.
|2.||Nikon Z6 II||Full Frame||24.3||6048||4024||4K/60p||25.0||14.4||3303||94|
|3.||Nikon Z5||Full Frame||24.2||6016||4016||4K/30p||25.3||14.3||2929||95|
|4.||Nikon Z6||Full Frame||24.3||6048||4024||4K/30p||25.3||14.3||3299||95|
|5.||Nikon Z7||Full Frame||45.4||8256||5504||4K/30p||26.3||14.6||2668||99|
|6.||Nikon D750||Full Frame||24.2||6016||4016||1080/60p||24.8||14.5||2956||93|
|15.||Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90|
|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 have a sensor with sufficiently fast read-out times for moving pictures, but the Z6 II provides a better video resolution than the D3100. It can shoot movie footage at 4K/60p, while the D3100 is limited to 1080/24p.
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the Z6 II has an electronic viewfinder (3690k 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 Z6 II 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. In addition, the viewfinder of the Z6 II has a higher magnification (0.80x vs 0.53x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Nikon D3100 and Nikon Z6 II along with similar information for a selection of comparators.
|1.||Nikon D3100||optical||n||3.0 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|2.||Nikon Z6 II||3690||Y||3.2 / 2100||tilting||Y||1/8000s||14.0/s||n||Y|
|3.||Nikon Z5||3690||n||3.2 / 1040||tilting||Y||1/8000s||4.5/s||n||Y|
|4.||Nikon Z6||3690||Y||3.2 / 2100||tilting||Y||1/8000s||12.0/s||n||Y|
|5.||Nikon Z7||3690||Y||3.2 / 2100||tilting||Y||1/8000s||9.0/s||n||Y|
|6.||Nikon D750||optical||Y||3.2 / 1229||tilting||n||1/4000s||6.0/s||Y||n|
|7.||Nikon D3200||optical||n||3.0 / 921||fixed||n||1/4000s||4.0/s||Y||n|
|8.||Nikon D5100||optical||n||3.0 / 921||swivel||n||1/4000s||4.0/s||Y||n|
|9.||Nikon D7000||optical||Y||3.0 / 921||fixed||n||1/8000s||6.0/s||Y||n|
|10.||Nikon D3000||optical||n||3.0 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|11.||Nikon D5000||optical||n||2.7 / 230||full-flex||n||1/4000s||4.0/s||Y||n|
|12.||Nikon D60||optical||n||2.5 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|13.||Nikon D40X||optical||n||2.5 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|14.||Nikon D40||optical||n||2.5 / 230||fixed||n||1/4000s||2.5/s||Y||n|
|15.||Sony A7 II||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0/s||n||Y|
|16.||Sony NEX-5N||optional||n||3.0 / 920||tilting||Y||1/4000s||10.0/s||n||n|
|17.||Sony NEX-C3||optional||n||3.0 / 920||tilting||n||1/4000s||5.5/s||n||n|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One difference between the cameras concerns the presence of an on-board flash. The D3100 has one, while the Z6 II does not. While the built-in flash of the D3100 is not very powerful, it can at times be useful as a fill-in light.
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 Z6 II 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 Z6 II has 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.
The D3100 writes its imaging data to SDXC cards, while the Z6 II uses CFexpress (type B) or SDXC cards. The Z6 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the D3100 only has one slot. The Z6 II supports UHS-II cards (Ultra High Speed data transfer of up to 312 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 Nikon D3100 and Nikon Z6 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Nikon D3100||Y||mono / mono||-||-||mini||2.0||-||-||-|
|2.||Nikon Z6 II||Y||stereo / mono||Y||Y||micro||3.2||Y||-||Y|
|3.||Nikon Z5||Y||stereo / mono||Y||Y||micro||3.2||Y||-||Y|
|4.||Nikon Z6||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|5.||Nikon Z7||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|6.||Nikon D750||Y||stereo / mono||Y||Y||mini||2.0||Y||-||-|
|7.||Nikon D3200||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|8.||Nikon D5100||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|9.||Nikon D7000||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|10.||Nikon D3000||Y||- / -||-||-||-||2.0||-||-||-|
|11.||Nikon D5000||Y||mono / mono||-||-||mini||2.0||-||-||-|
|12.||Nikon D60||Y||- / -||-||-||-||2.0||-||-||-|
|13.||Nikon D40X||Y||- / -||-||-||-||2.0||-||-||-|
|14.||Nikon D40||Y||- / -||-||-||-||2.0||-||-||-|
|15.||Sony A7 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|16.||Sony NEX-5N||Y||stereo / mono||-||-||mini||2.0||-||-||-|
|17.||Sony NEX-C3||Y||stereo / mono||-||-||mini||2.0||-||-||-|
It is notable that the Z6 II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D3100 does not provide wifi capability.
The Z6 II is a recent model that features in the current product line-up of Nikon. In contrast, the D3100 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the D3100 was succeeded by the Nikon D3200. Further information on the features and operation of the D3100 and Z6 II can be found, respectively, in the Nikon D3100 Manual (free pdf) or the online Nikon Z6 II Manual.
So what conclusions can be drawn? Is there a clear favorite between the Nikon D3100 and the Nikon Z6 II? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Arguments in favor of the Nikon D3100:
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- More compact: Is smaller (124x96mm vs 134x101mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 200g or 28 percent) and hence easier to carry around.
- Longer lasting: Can take more shots (550 versus 410) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More affordable: Was introduced into a lower priced category (70 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in August 2010).
Advantages of the Nikon Z6 II:
- More detail: Has more megapixels (24.3 vs 14.2MP), which boosts linear resolution by 31%.
- Better image quality: Scores substantially higher (27 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (2.5 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (3.1 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (1.8 stops ISO advantage).
- Better video: Provides higher definition movie capture (4K/60p vs 1080/24p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- 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%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.80x vs 0.53x).
- Easier setting verification: Features a control panel on top to check 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 (2100k 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.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (14 vs 3 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- 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.
- Faster data transfer: Supports a more advanced USB protocol (3.2 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.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
- More modern: Reflects 10 years and 1 month of technical progress since the D3100 launch.
If the number of relative strengths (bullet points above) is taken as a guide, the Z6 II is the clear winner of the contest (31 : 7 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape 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 D3100 and the Nikon Z6 II 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the D3100 and the Z6 II in practical situations. 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 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], 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 D3100||5/5||+ +||..||72/100||4.5/5||4.5/5||Aug 2010||599||ebay.com|
|2.||Nikon Z6 II||4.5/5||..||4/5||89/100||4.5/5||4.5/5||Oct 2020||1,999||amazon.com|
|3.||Nikon Z5||4/5||..||4/5||89/100||4.5/5||4/5||Jul 2020||1,399||amazon.com|
|4.||Nikon Z6||5/5||..||5/5||89/100||4.5/5||5/5||Aug 2018||1,999||ebay.com|
|5.||Nikon Z7||5/5||+||4.8/5||89/100||4.5/5||5/5||Aug 2018||3,399||ebay.com|
|6.||Nikon D750||5/5||+ +||4/5||90/100||4.5/5||4.5/5||Sep 2014||2,299||ebay.com|
|7.||Nikon D3200||5/5||+ +||..||73/100||4.5/5||4.5/5||Apr 2012||599||ebay.com|
|8.||Nikon D5100||5/5||+ +||..||76/100||4.5/5||4.5/5||Apr 2011||749||ebay.com|
|9.||Nikon D7000||4/5||..||..||80/100||4.5/5||4.5/5||Sep 2010||1,499||ebay.com|
|10.||Nikon D3000||..||+||..||72/100||4/5||4.5/5||Jul 2009||599||ebay.com|
|11.||Nikon D5000||..||+ +||..||75/100||4/5||4.5/5||Apr 2009||749||ebay.com|
|12.||Nikon D60||..||80/100||..||+ +||4/5||4.5/5||Jan 2008||629||ebay.com|
|13.||Nikon D40X||..||79/100||..||+ +||4/5||4/5||Mar 2007||729||ebay.com|
|14.||Nikon D40||..||81/100||..||+ +||o||4.5/5||Nov 2006||499||ebay.com|
|15.||Sony A7 II||5/5||+||4/5||82/100||4.5/5||5/5||Nov 2014||1,999||ebay.com|
|16.||Sony NEX-5N||3/5||+ +||..||79/100||4.5/5||4.5/5||Aug 2011||699||ebay.com|
|17.||Sony NEX-C3||3/5||+ +||..||74/100||4.5/5||4/5||Jun 2011||599||ebay.com|
|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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.
Other camera comparisons
Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon R5 vs Nikon D3100
- Canon SL3 vs Nikon Z6 II
- Fujifilm XQ2 vs Nikon Z6 II
- Leica D-LUX Typ 109 vs Nikon Z6 II
- Nikon D3100 vs Nikon D800E
- Nikon D3100 vs Nikon W150
- Nikon D3100 vs Sony NEX-F3
- Nikon D3100 vs Sony RX1R
- Nikon D3100 vs Sony WX800
- Nikon Z fc vs Nikon Z6 II
- Nikon Z6 II vs Sony A6000
- Nikon Z6 II vs Sony NEX-5T
Specifications: Nikon D3100 vs Nikon Z6 II
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 D3100||Nikon Z6 II|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Nikon F mount lenses||Nikon Z mount lenses|
|Launch Date||August 2010||October 2020|
|Launch Price||USD 599||USD 1,999|
|Sensor Specs||Nikon D3100||Nikon Z6 II|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||23.1 x 15.4 mm||35.9 x 23.9 mm|
|Sensor Area||355.74 mm2||858.01 mm2|
|Sensor Diagonal||27.8 mm||43.1 mm|
|Sensor Resolution||14.2 Megapixels||24.3 Megapixels|
|Image Resolution||4608 x 3072 pixels||6048 x 4024 pixels|
|Pixel Pitch||5.01 μm||5.94 μm|
|Pixel Density||3.98 MP/cm2||2.84 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/24p Video||4K/60p Video|
|ISO Setting||100 - 3,200 ISO||100 - 51,200 ISO|
|ISO Boost||100 - 12,800 ISO||50 - 204,800 ISO|
|Image Processor||EXPEED 2||DUAL EXPEED 6|
|DXO Sensor Quality (score)||67||94|
|DXO Color Depth (bits)||22.5||25|
|DXO Dynamic Range (EV)||11.3||14.4|
|DXO Low Light (ISO)||919||3303|
|Screen Specs||Nikon D3100||Nikon Z6 II|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||3690k dots|
|Top-Level Screen||no Top Display||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.2inch|
|LCD Resolution||230k dots||2100k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Nikon D3100||Nikon Z6 II|
|Focus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/8000s|
|Continuous Shooting||3 shutter flaps/s||14 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||200 000 actuations|
|Electronic Shutter||no E-Shutter||up to 1/8000s|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Built-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||CFexB or SDXC cards|
|Single or Dual Card Slots||Single card slot||Dual card slots|
|UHS card support||no||UHS-II|
|Connectivity Specs||Nikon D3100||Nikon Z6 II|
|USB Connector||USB 2.0||USB 3.2|
|HDMI Port||mini HDMI||micro HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Nikon D3100||Nikon Z6 II|
|Environmental Sealing||not weather sealed||Weathersealed body|
|Battery Life (CIPA)||550 shots per charge||410 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
124 x 96 x 75 mm
(4.9 x 3.8 x 3.0 in)
134 x 101 x 70 mm
(5.3 x 4.0 x 2.8 in)
|Camera Weight||505 g (17.8 oz)||705 g (24.9 oz)|
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