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Nikon D5100 vs Panasonic GX8

The Nikon D5100 and the Panasonic Lumix DMC-GX8 are two digital cameras that were announced, respectively, in April 2011 and July 2015. The D5100 is a DSLR, while the GX8 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D5100) and a Four Thirds (GX8) sensor. The Nikon has a resolution of 16.1 megapixels, whereas the Panasonic provides 20.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Nikon D5100
versus
Panasonic GX8
Nikon D5100   Panasonic GX8
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
16.1 MP – APS-C sensor 20.2 MP – Four Thirds sensor
1080/30p Video 4K/30p Video
ISO 100-6,400 (100 - 25,600) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
3.0" LCD – 921k dots 3.0" LCD – 1040k dots
Swivel screen (not touch-sensitive) Swivel touchscreen
4 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
660 shots per battery charge330 shots per battery charge
128 x 97 x 79 mm, 560 g 133 x 78 x 63 mm, 487 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D5100 and the Panasonic Lumix DMC-GX8? 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.

Body comparison

An illustration of the physical size and weight of the Nikon D5100 and the Panasonic GX8 is provided 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 dimensions are rounded to the nearest millimeter.

The GX8 can be obtained in two different colors (black, silver), while the D5100 is only available in black.

Size Nikon D5100 vs Panasonic GX8
Compare D5100 versus GX8 top
Comparison D5100 or GX8 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX8 is notably smaller (16 percent) than the Nikon D5100. Moreover, the GX8 is markedly lighter (13 percent) than the D5100. It is noteworthy in this context that the GX8 is splash and dust-proof, while the D5100 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. 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 (D5100) and the Micro Four Thirds Lens Catalog (GX8). Mirrorless cameras, such as the GX8, 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 D5100 gets 660 shots out of its EN-EL14 battery, while the GX8 can take 330 images on a single charge of its DMW-BLC12 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D5100 128 mm 97 mm 79 mm 560 g 660 n Apr 2011 749ebay.com
2.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
3.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 799ebay.com
4.
 
Canon 550D 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699ebay.com
5.
 
Nikon D5600 124 mm 97 mm 70 mm 465 g 970 n Nov 2016 699 amazon.com
6.
 
Nikon D5500 124 mm 97 mm 70 mm 470 g 820 n Jan 2015 899ebay.com
7.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799ebay.com
8.
 
Nikon D3200 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599ebay.com
9.
 
Nikon D5200 129 mm 98 mm 78 mm 555 g 500 n Nov 2012 749ebay.com
10.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499ebay.com
11.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599ebay.com
12.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749ebay.com
13.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
14.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
15.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
16.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999ebay.com
17.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399ebay.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 naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D5100 was launched at a markedly lower price (by 38 percent) than the GX8, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon D5100 features an APS-C sensor and the Panasonic GX8 a Four Thirds sensor. The sensor area in the GX8 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 D5100 has a native 3:2 aspect ratio, while the one in the GX8 offers a 4:3 aspect.

Nikon D5100 and Panasonic GX8 sensor measures

Despite having a smaller sensor, the GX8 offers a higher resolution of 20.2 megapixels, compared with 16.1 MP of the D5100. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 4.80μm for the D5100). However, it should be noted that the GX8 is much more recent (by 4 years and 3 months) than the D5100, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Panasonic GX8 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GX8 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Nikon D5100 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.

The Nikon D5100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Panasonic Lumix DMC-GX8 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

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.

D5100 versus GX8 MP

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 review, the D5100 has a notably higher overall DXO score than the GX8 (overall score 5 points higher), which gives it an advantage in terms of imaging quality. 1 EV in additional dynamic range, and 0.6 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.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D5100 APS-C 16.1 4928 32641080/30p23.513.6118380
2.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
3.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
4.
 
Canon 550D APS-C 17.9 5184 34561080/30p22.111.578466
5.
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684
6.
 
Nikon D5500 APS-C 24.0 6000 40001080/60p24.114.0143884
7.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
8.
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
9.
 
Nikon D5200 APS-C 24.0 6000 40001080/60i24.213.9128484
10.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
11.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
12.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
13.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
14.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
15.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
16.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
17.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the GX8 provides a better video resolution than the D5100. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the GX8 has an electronic viewfinder (2360k dots), while the D5100 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 GX8 offers a wider field of view (100%) than the one in the D5100 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the GX8 has a higher magnification (0.77x vs 0.51x), 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 D5100 and Panasonic GX8 along with similar information for a selection of comparators.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D5100optical n3.0 / 921 swivel n 1/4000s 4.0/s Y n
2.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon G1 Xoptical n3.0 / 922 swivel n 1/4000s 1.9/s Y Y
4.
 
Canon 550Doptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
5.
 
Nikon D5600optical n3.2 / 1037 swivel Y 1/4000s 5.0/s Y n
6.
 
Nikon D5500optical n3.2 / 1037 swivel Y 1/4000s 5.0/s Y n
7.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0/s Y n
8.
 
Nikon D3200optical n3.0 / 921 fixed n 1/4000s 4.0/s Y n
9.
 
Nikon D5200optical n3.0 / 921 swivel n 1/4000s 5.0/s Y n
10.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
11.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
12.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
13.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
14.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
15.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
16.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
17.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
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 D5100 has one, while the GX8 does not. While the built-in flash of the D5100 is not very powerful, it can at times be useful as a fill-in light.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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 GX8 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 D5100 and the Panasonic GX8 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 D5100 and the GX8 write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

Connectivity comparison

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 D5100 and Panasonic Lumix DMC-GX8 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D5100Ymono / monoY-mini2.0---
2.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
3.
 
Canon G1 XYstereo / mono--mini2.0---
4.
 
Canon 550DYstereo / -Y-mini2.0---
5.
 
Nikon D5600Ystereo / monoY-mini2.0YYY
6.
 
Nikon D5500Ystereo / monoY-mini2.0Y--
7.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
8.
 
Nikon D3200Ymono / monoY-mini2.0---
9.
 
Nikon D5200Ystereo / monoY-mini2.0---
10.
 
Nikon D7000Ymono / monoY-mini2.0---
11.
 
Nikon D3100Ymono / mono--mini2.0---
12.
 
Nikon D5000Ymono / mono--mini2.0---
13.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
14.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
15.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
16.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
17.
 
Sony A6500Ystereo / monoY-micro2.0YY-

It is notable that the GX8 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D5100 does not provide wifi capability.

Both the D5100 and the GX8 have been discontinued, but can regularly be found used on ebay. The D5100 was replaced by the Nikon D5200, while the GX8 was followed by the Panasonic GX9. Further information on the features and operation of the D5100 and GX8 can be found, respectively, in the Nikon D5100 Manual (free pdf) or the online Panasonic GX8 Manual.

Review summary

So what conclusions can be drawn? Is the Nikon D5100 better than the Panasonic GX8 or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Nikon D5100:

  • Better image quality: Scores markedly higher (5 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (660 versus 330) 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 (38 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in April 2011).

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Arguments in favor of the Panasonic Lumix DMC-GX8:

  • More detail: Has more megapixels (20.2 vs 16.1MP), which boosts linear resolution by 10%.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • 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 (0.77x vs 0.51x).
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • 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 (10 vs 4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (133x78mm vs 128x97mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 73g or 13 percent) and is thus easier to take along.
  • 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.
  • 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.
  • More modern: Reflects 4 years and 3 months of technical progress since the D5100 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the GX8 is the clear winner of the contest (18 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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.

D5100 08:18 GX8

How about other alternatives? Do the specifications of the Nikon D5100 and the Panasonic GX8 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 D5100 or the GX8 perform in practice. 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.

Expert reviews

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.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D51005/5+ +..76/1004.5/54.5/5 Apr 2011 749ebay.com
2.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
3.
 
Canon G1 X5/5+..76/1004/54.5/5 Jan 2012 799ebay.com
4.
 
Canon 550D..+ +..77/1004/54.5/5 Feb 2010 699ebay.com
5.
 
Nikon D56004/5..4/579/1004.5/54/5 Nov 2016 699 amazon.com
6.
 
Nikon D55005/5+..79/1004.5/54.5/5 Jan 2015 899ebay.com
7.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 799ebay.com
8.
 
Nikon D32005/5+ +..73/1004.5/54.5/5 Apr 2012 599ebay.com
9.
 
Nikon D52004/5+ +..79/1004.5/54.5/5 Nov 2012 749ebay.com
10.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499ebay.com
11.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 599ebay.com
12.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 749ebay.com
13.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
14.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
15.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
16.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999ebay.com
17.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 1,399ebay.com
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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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 use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D5100 vs Panasonic GX8

    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 Specifications
    Camera Model Nikon D5100 Panasonic GX8
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date April 2011 July 2015
    Launch Price USD 749 USD 1,199
    Sensor Specs Nikon D5100 Panasonic GX8
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.6 x 15.7 mm 17.3 x 13.0 mm
    Sensor Area 370.52 mm2 224.9 mm2
    Sensor Diagonal 28.3 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 16.1 Megapixels 20.2 Megapixels
    Image Resolution 4928 x 3264 pixels 5184 x 3888 pixels
    Pixel Pitch 4.80 μm 3.34 μm
    Pixel Density 4.34 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost 100 - 25,600 ISO 100 - 25,600 ISO
    Image Processor EXPEED 2 Venus
    DXO Sensor Quality (score) 80 75
    DXO Color Depth (bits) 23.5 23.5
    DXO Dynamic Range (EV) 13.6 12.6
    DXO Low Light (ISO) 1183 806
    Screen Specs Nikon D5100 Panasonic GX8
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.51x 0.77x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 1040k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D5100 Panasonic GX8
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 4 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon D5100 Panasonic GX8
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Nikon D5100 Panasonic GX8
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL14 DMW-BLC12
    Battery Life (CIPA)660 shots per charge330 shots per charge
    Body Dimensions 128 x 97 x 79 mm
    (5.0 x 3.8 x 3.1 in)
    133 x 78 x 63 mm
    (5.2 x 3.1 x 2.5 in)
    Camera Weight 560 g (19.8 oz) 487 g (17.2 oz)
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