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, Nikon D3100 belongs to a Entry-Level DSLR category, the other model, Nikon D3100 is a Entry-Level Mirrorless camera. Nikon D3100 is equipped with a 14.0 MP CMOS sensor, while Olympus OM-D E-M10 Mark III comes with a 16.0 MP CMOS sensor.
Both cameras we are going to look at in our overview fall into two different categories - DSLR and MirrorLess. 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 Nikon D3100 and Olympus OM-D E-M10 Mark III and, after this, we can go on to our detailed comparison of these models.
Nikon D3100 Key Features:
Olympus OM-D E-M10 Mark III Key Features:
|Sensor Area||355.74 mm2 vs 226.2 mm2||36.4% larger pixel area|
|Flash Range||12 vs 5.8||6.2 better flash range|
|Battery Life||550 shots vs 330 shots||220 more frames with a single charge|
|Timelapse Recording||Yes vs No||Creative shooting|
|Sensor Resolution||16.0 MP vs 14.0 MP||12.5% more pixels|
|Image Stabilization||Yes vs No||All lenses are stabilized|
|Continuous Shooting||8.6 fps vs 3 fps||5.6 fps faster|
|Number Of Focus Points||121 vs 11||110 more focus points|
|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|
|Viewfinder Magnification||0.62 vs 0.53||0.09 better magnification|
|Screen Size||3″ | 3″||Large display|
|Viewfinder||Optical (pentamirror) | Electronic||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|
|Sensor Resolution||14.0 MP | 16.0 MP||Small sensor resolution|
|Microphone Port||No | No||No microphone port|
|Headphone Port||No | No||No headphone port|
|Environmental Sealing||No | No||No environmental sealing|
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 Nikon D3100 and Olympus OM-D E-M10 Mark III from the front view.
Now, let’s go on and see how the reviewed models are different or similar by the top view.
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, Olympus OM-D E-M10 Mark III 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.
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 Nikon D3100 and Olympus OM-D E-M10 Mark III 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. Nikon D3100 features a 14.0 MP APS-C sized CMOS sensor . Olympus OM-D E-M10 Mark III, in its turn, comes with a 16.0 MP Four Thirds sized CMOS sensor and TruePic VIII processor , which makes it significantly different from the first model.
Take a look below to find the comparison of Nikon D3100 and Olympus OM-D E-M10 Mark III by the size of their sensors.
One more distinctive feature of compared models is the sensor size. Nikon D3100 has a sensor area 0.6x bigger compared to Olympus OM-D E-M10 Mark III. What does it mean? This basically means that if you these cameras them with the same aperture and focal length, the first model will give you more control in terms of the blurry background and depth of field.
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 Nikon D3100 and Olympus OM-D E-M10 Mark III 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||Nikon D3100||Olympus OM-D E-M10 Mark III|
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, Nikon D3100 or Olympus OM-D E-M10 Mark III, 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 Nikon D3100 and Olympus OM-D E-M10 Mark III here is what we can say in conclusion:
According all the factors that we considered in the process of comparing these two cameras, Olympus OM-D E-M10 Mark III 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.
For better understanding of each model’s technical characteristics, find the detailed comparison below:
|Nikon D3100||Olympus OM-D E-M10 Mark III|
|Model||D3100||OM-D E-M10 Mark III|
|Announced||Dec 21, 2010||Aug 31, 2017|
|Body Type||Compact SLR||SLR-style mirrorless|
|Sensor Size||APS-C||Four Thirds|
|Sensor Dimensions||23.1 x 15.4 mm||17.4 x 13 mm|
|Sensor Area||355.74 mm2||226.20 mm2|
|Sensor Resolution||14.0 MP||16.0 MP|
|Max Image Resolution||4608 x 3072||4608 x 3456|
|Max Native ISO||3,200||25,600|
|Max Boosted ISO||12,800||n/a|
|Min Native ISO||100||200|
|Lens Mount||Nikon F||Micro Four Thirds|
|Number of Lenses||287||94|
|Focal Length Multiplier||1.5x||2x|
|Macro Focus Range|
|AF Multi Area|
|AF Live View|
|AF Face Detection|
|AF Contrast Detection|
|AF Phase Detection|
|Number of Focus Points||11||121|
|Number of Cross Focus Points||1||n/a|
|Screen Type||Fixed Type||Tilting|
|Screen Resolution||230k dots||1,040k dots|
|ViewFinder Resolution||0k dots||2,360k dots|
|Min Shutter Speed||30 s||60 s|
|Max Shutter Speed||1/4000 s||1/4000 s|
|Continuous Shooting||3.0 fps||8.6 fps|
|Manual Exposure Mode|
|Custom White Balance|
|Flash Modes||Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain||Auto, redeye, slow sync, 2nd-curtain slow sync, redeye slow sync, fill-in, manual|
|Video Resolutions||1920 x 1080 (24 fps), 1280 x 720 (30, 25, 24 fps), 640 x 424 (24 fps)||3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM|
|Max Video Resolution||1920 x 1080||3840 x 2160|
|Video Formats||MPEG-4||MPEG-4, H.264|
|USB||USB 2.0||USB 2.0|
|Weight||505 g||410 g|
|Physical Dimensions||124 x 96 x 75 mm||122 x 84 x 50 mm|
|Battery Life||550 shots||330 shots|
|Battery Type||Battery Pack||Battery Pack|
|Storage Type||SD/SDHC/SDXC||SD/SDHC/SDXC (UHS-I/II supported)|