Panasonic Lumix DMC-G7 vs Nikon D3100

  • Four Thirds
  • 16 megapixels
  • Micro Four Thirds
  • 43
    Overall
  • 16
    Imaging
  • 69
    Features
  • 73
    Size
  • 0
    Price
  • APS-C
  • 14 megapixels
  • Nikon F
  • 41
    Overall
  • 13
    Imaging
  • 29
    Features
  • 73
    Size
  • 0
    Price

Panasonic Lumix DMC-G7 vs Nikon D3100: a Complete Review and Comparison

Are you looking for the best camera to suit your needs? Due to a wide range of options, making a wise and weighted decision can be rather challenging. Which specs to keep in mind? What are the key pros and cons of each model? This comparison should give some helpful hints!

In this review, we are going to make a detailed comparison of two cameras that fall into different categories. While the first model we are looking at, Panasonic Lumix DMC-G7 belongs to a Semi-Pro Mirrorless category, the other model, Panasonic Lumix DMC-G7 is a Entry-Level DSLR camera. Panasonic Lumix DMC-G7 is equipped with a 16.0 MP CMOS sensor, while Nikon D3100 comes with a 14.0 MP CMOS sensor.

Both cameras we are going to look at in our overview fall into two different categories - MirrorLess and DSLR. Keeping in mind all the distinctive features of each category, it will be hard to make a detailed comparison of these two models. However, we will do our best to make this review as unbiased and detailed as possible.

To get started, let’s take a look at some of the key features of Panasonic Lumix DMC-G7 and Nikon D3100 and, after this, we can go on to our detailed comparison of these models.

Panasonic Lumix DMC-G7 Key Features:

  • 16.0 MP Four Thirds CMOS sensor
  • ISO 160 - 25600
  • Image Stabilization: No
  • 3″ Fully Articulated Screen
  • ViewFinder: Yes
  • 7.0 fps Continuous Shooting
  • Video: 3840 x 2160 (30, 25, 24, 20fps) 1920 x 1080 (60, 50, 30, 25fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps
  • Built-in Wireless: Yes
  • Dimensions: 125 x 86 x 77 mm
  • Weight: 410 g
  • Environmental Sealing: No
  • Built-in GPS: No
  • Replaced Panasonic G6.

Nikon D3100 Key Features:

  • 14.0 MP APS-C CMOS sensor
  • ISO 100 - 3200 (Expands to 12800)
  • Image Stabilization: No
  • 3″ Fixed Type Screen
  • ViewFinder: Yes
  • 3.0 fps Continuous Shooting
  • Video: 1920 x 1080 (24 fps), 1280 x 720 (30, 25, 24 fps), 640 x 424 (24 fps)
  • Built-in Wireless: Yes
  • Dimensions: 124 x 96 x 75 mm
  • Weight: 505 g
  • Environmental Sealing: No
  • Built-in GPS: Yes
  • Replaced Nikon D3000. Compare
  • Replaced by Nikon D3200. Compare

Panasonic Lumix DMC-G7 substituted Panasonic G6.

Why is Panasonic Lumix DMC-G7 a better choice than Nikon D3100

Timelapse Recording Yes vs No Creative shooting
Sensor Resolution 16.0 MP vs 14.0 MP 12.5% more pixels
Continuous Shooting 7 fps vs 3 fps 4 fps faster
Max Shutter Speed 1/16000 vs 1/4000 Faster shutter speed
Number Of Focus Points 49 vs 11 38 more focus points
Screen Type Fully Articulated vs Fixed Type Flexible shooting positions
Screen Resolution 1,040k dots vs 230k dots 77.9% higher resolution screen
Touch Screen Yes vs No Easy control of camera functions
Weight 410 g vs 505 g 95 g lighter
Max Video Resolution 3840 x 2160 vs 1920 x 1080 Higher Resolution Video
Microphone Port Yes vs No High quality audio recording option
Viewfinder Magnification 0.7 vs 0.53 0.17 better magnification

What are the key reasons to pick Nikon D3100 over Panasonic Lumix DMC-G7

Sensor Area 355.74 mm2 vs 224.9 mm2 36.8% larger pixel area
Flash Range 12 vs 9.3 2.7 better flash range
Battery Life 550 shots vs 350 shots 200 more frames with a single charge

Key PROs of Panasonic Lumix DMC-G7 and Nikon D3100

Screen Size 3″ | 3″ Large display
Viewfinder Electronic | Optical (pentamirror) Better framing and control
Raw Support Yes | Yes Better image quality
AutoFocus Face Detection Yes | Yes Very handy for portraits
Built-In Flash Yes | Yes External flash available
Flash Sync Port Yes | Yes Port for Flash Sync

Key CONs of Panasonic Lumix DMC-G7 and Nikon D3100

Sensor Resolution 16.0 MP | 14.0 MP Small sensor resolution
Headphone Port No | No No headphone port
Continuous Shooting 7.0 fps | 3.0 fps Low continuous shooting
Image Stabilization No | No No image stabilization
Environmental Sealing No | No No environmental sealing

Panasonic Lumix DMC-G7 vs Nikon D3100: Comparing Two Models By Physical Characteristics

Before heading straight to the technical characteristics of each model, let’s start with comparing their physical specs. Let’s start with looking at the physical difference of the two products. Below are images that clearly show the sizes of Panasonic Lumix DMC-G7 and Nikon D3100 from the front view.

Panasonic Lumix DMC-G7
Nikon D3100
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Now, let’s go on and see how the reviewed models are different or similar by the top view.

Panasonic Lumix DMC-G7
Nikon D3100
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After looking at these images, you should get a clear idea of each model’s dimensions and how they are different from each other. However, we are not going to stop there. The next characteristic worth looking at is the weight. Of course, not every photographer is concerned about the weight, for example, it wouldn't be a decisive point for those who shoot in a studio. However, it is still an important factor because if you happen to go on a long photo session or just love having the camera with you wherever you go, you want to be sure that the chosen model isn't too heavy.

Speaking of weight, Panasonic Lumix DMC-G7 is a lighter option of these two, as it weights 95g less than the Nikon D3100. This difference, in fact, can become a significant disadvantage for the photographers, who prefer to have their cameras with them wherever they go.

Comparing Panasonic Lumix DMC-G7 and Nikon D3100 by the type of Sensor and Resolution

Sensor is, without a doubt, the most significant element of every digital camera. Its type, size, and resolution are the factors that define the quality of future shots. Thus, it is barely possible to pick a suitable camera without looking at these specs.

Are Panasonic Lumix DMC-G7 and Nikon D3100 any different in terms of sensor type?

In fact, that's exactly what makes these two models really different. Thus, it is a good point to consider if your are choosing between these two cameras. Panasonic Lumix DMC-G7 features a 16.0 MP Four Thirds sized CMOS sensor . Nikon D3100, in its turn, comes with a 14.0 MP APS-C sized CMOS sensor , which makes it significantly different from the first model.

Take a look below to find the comparison of Panasonic Lumix DMC-G7 and Nikon D3100 by the size of their sensors.

Panasonic Lumix DMC-G7
Nikon D3100
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One more distinctive feature of compared models is the sensor size. Nikon D3100 is equipped with a sensor that is 0.6x larger than the one featured in Panasonic Lumix DMC-G7. Compared to the cameras with smaller sensor area, the ones with larger sensors ensure more control on the blurry background and depth of field if you shoot in the same aperture and focal length. Thus, the first model has a significant advantage here.

For Which Fields Of Photography Are Panasonic Lumix DMC-G7 and Nikon D3100 Suitable?

If you are interested in photography or has made a career in this field, you should know that different types of shooting actually require different camera characteristics. While one model can produce outstanding portraits, at the same time, it can be terrible for shooting landscapes, and so on. Thus, before you purchase a specific camera, it is vital to decide, which type of shooting you do most often and consider an option that suits it the most.

This section of our comparison is devoted to the performance of Panasonic Lumix DMC-G7 and Nikon D3100 in different fields of photography. Here we are going to look at the five main areas and evaluate how well each of the reviewed models performs in them. This will help you choose an option that suits your needs the most depending on your interest in one or several of these fields.

Photography Type Panasonic Lumix DMC-G7 Nikon D3100
Portrait Photography
60%
63%
Street Photography
92%
62%
Sports Photography
84%
66%
Daily Photography
74%
47%
Landscape Photography
73%
78%

Panasonic Lumix DMC-G7 for Portrait Photography

Advantages:

  • Fast Max Shutter Speed (1/16000s)
  • Face Detection Focusing

Disadvantages:

  • Small Four Thirds (17.3 x 13 mm) sensor
  • No Image Stabilization

Nikon D3100 for Portrait Photography

Advantages:

  • Large APS-C (23.1 x 15.4 mm) sensor
  • Face Detection Focusing

Disadvantages:

  • You might not like Nikon skintone
  • No Image Stabilization

Panasonic Lumix DMC-G7 for Street Photography

Advantages:

  • Built-in View Finder
  • Live View
  • Fully Articulated Screen
  • Large Four Thirds(17.3 x 13 mm) sensor

Disadvantages:

  • Big size (125 x 86 x 77 mm)
  • No Image Stabilization

Nikon D3100 for Street Photography

Advantages:

  • Built-in View Finder
  • Live View
  • Large APS-C(23.1 x 15.4 mm) sensor

Disadvantages:

  • Big size (124 x 96 x 75 mm)
  • No Image Stabilization
  • Small Number of autofocus Points (11)

Panasonic Lumix DMC-G7 for Sports Photography

Advantages:

  • Fast Max Shutter Speed (1/16000s)

Disadvantages:

  • Slow Continuous Shooting (7.0 fps)
  • No Environmental Sealing
  • Smal Number of autofocus Points (49)
  • Small battery life (350 shots)

Nikon D3100 for Sports Photography

Advantages:

  • Big size (124 x 96 x 75 mm)

Disadvantages:

  • Slow Continuous Shooting (3.0 fps)
  • No Environmental Sealing
  • Slow Max Shutter Speed (1/4000s)
  • Smal Number of autofocus Points (11)
  • Small Number of CrossFocus Points (1)
  • Bad Low Light ISO (919)
  • Small battery life (550 shots)

Panasonic Lumix DMC-G7 for Daily Photography

Advantages:

  • Built-in Flash
  • Built-in View Finder
  • Live View
  • Wireless Connectivity
  • Video is available

Disadvantages:

  • Small Four Thirds (17.3 x 13 mm) sensor
  • Big weight (410 g)
  • Big size (125 x 86 x 77 mm)

Nikon D3100 for Daily Photography

Advantages:

  • Large APS-C (23.1 x 15.4 mm) sensor
  • Built-in Flash
  • Built-in View Finder
  • Live View
  • Wireless Connectivity
  • Video is available

Disadvantages:

  • Big weight (505 g)
  • Big size (124 x 96 x 75 mm)

Panasonic Lumix DMC-G7 for Landscape Photography

Advantages:

  • Live View
  • RAW Support

Disadvantages:

  • Small Four Thirds (17.3 x 13 mm) sensor
  • Low resolution sensor (16 MP)
  • No Environmental Sealing

Nikon D3100 for Landscape Photography

Advantages:

  • Large APS-C (23.1 x 15.4 mm) sensor
  • Good Dynamic Range (11.3)
  • Live View
  • RAW Support

Disadvantages:

  • Low resolution sensor (14 MP)
  • No Environmental Sealing
  • Bad Low Light ISO (919)

Comparison of Panasonic Lumix DMC-G7 vs Nikon D3100: Final Verdict

Hopefully, our detailed overview of these models has helped you consider all the main specs, pros and cons of each cameras. Maybe, after reading this comparison, some of you have already decided which option to opt for depending on your needs and preferences. However, if you are still wondering which option is a better choice, Panasonic Lumix DMC-G7 or Nikon D3100, below you can see what scores each of them received in five different aspects. To wrap up, we have used our unique Decision Algorithm that assesses different camera models upon 63 different factors including their price, and, if possible, DxO Mark scores. This algorithm allows us to make our verdict more consistent and objective.

What is our final verdict? Based on our comparison and the final scores of Panasonic Lumix DMC-G7 and Nikon D3100 here is what we can say in conclusion:

According all the factors that we considered in the process of comparing these two cameras, Panasonic Lumix DMC-G7 deserves a higher Total Score than the Nikon D3100. Thus, if you are choosing between these options, we would recommend you to choose the first model over the other one.

Panasonic Lumix DMC-G7 vs Nikon D3100 Table Of Technical Specs

For better understanding of each model’s technical characteristics, find the detailed comparison below:

Panasonic Lumix DMC-G7 Nikon D3100
General
Brand Panasonic Nikon
Model Lumix DMC-G7 D3100
Announced May 19, 2015 Dec 21, 2010
Body Type SLR-style mirrorless Compact SLR
Sensor
Sensor Type CMOS CMOS
Sensor Size Four Thirds APS-C
Sensor Dimensions 17.3 x 13 mm 23.1 x 15.4 mm
Sensor Area 224.90 mm2 355.74 mm2
Sensor Resolution 16.0 MP 14.0 MP
Max Image Resolution 4592 x 3448 4608 x 3072
Max Native ISO 25,600 3,200
Max Boosted ISO n/a 12,800
Min Native ISO 160 100
RAW Support Yes Yes
Lens
Manual Focus Yes Yes
Lens Mount Micro Four Thirds Nikon F
Number of Lenses 94 287
Focal Length Multiplier 2x 1.5x
Macro Focus Range
AutoFocus
AF Touch Yes No
AF Continuous Yes Yes
AF Single Yes Yes
AF Tracking Yes Yes
AF Selective Yes Yes
AF Center No No
AF Multi Area Yes Yes
AF Live View Yes Yes
AF Face Detection Yes Yes
AF Contrast Detection Yes Yes
AF Phase Detection No Yes
Number of Focus Points 49 11
Number of Cross Focus Points n/a 1
Screen
Screen Type Fully Articulated Fixed Type
Screen Size 3″ 3″
Screen Resolution 1,040k dots 230k dots
Live View Yes Yes
Touch Screen Yes No
ViewFinder
ViewFinder Electronic Optical (pentamirror)
ViewFinder Resolution 2,360k dots 0k dots
ViewFinder Coverage 100% 95%
ViewFinder Magnification 0.7 0.53
Photography Features
Min Shutter Speed 60 s 30 s
Max Shutter Speed 1/16000 s 1/4000 s
Continuous Shooting 7.0 fps 3.0 fps
Shutter Priority Yes Yes
Aperture Priority Yes Yes
Manual Exposure Mode Yes Yes
Exposure Compensation Yes Yes
Custom White Balance Yes Yes
Image Stabilization No No
Built-in Flash Yes Yes
Flash Range 9.3 12
Flash Modes Auto, Red-Eye, Slow Sync Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain
External Flash Yes Yes
AE Bracketing Yes No
WB Bracketing Yes Yes
Exposure Modes
Multi-Segment Yes Yes
Average No Yes
Spot Yes No
Partial No No
AF-Area No No
Center Weighted No Yes
Video Features
Video Resolutions 3840 x 2160 (30, 25, 24, 20fps) 1920 x 1080 (60, 50, 30, 25fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps 1920 x 1080 (24 fps), 1280 x 720 (30, 25, 24 fps), 640 x 424 (24 fps)
Max Video Resolution 3840 x 2160 1920 x 1080
Video Formats MPEG-4, AVCHD MPEG-4
Microphone Port Yes No
Headphone Port No No
Connectivity
Wireless Connectivity Yes Yes
HDMI Yes Yes
USB USB 2.0 USB 2.0
Physical
Environmental Sealing No No
Water Proof No No
Dust Proof No No
Shock Proof No No
Crush Proof No No
Freeze Proof No No
Weight 410 g 505 g
Physical Dimensions 125 x 86 x 77 mm 124 x 96 x 75 mm
Battery Life 350 shots 550 shots
Battery Type Battery Pack Battery Pack
Battery Model n/a EN-EL14
Other Features
Self Timer Yes Yes
Timelapse Recording Yes No
GPS Optional
Storage Type SD/SDHC/SDXC SD/SDHC/SDXC
Storage Slots 1 1

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