Choosing between two capable DSLRs can be a daunting task, especially when they come from a brand as reputable as Nikon. For aspiring photographers and even seasoned enthusiasts, the decision between the Nikon D3100 and the Nikon D90 often comes down to balancing features, performance, and budget.
The D3100, a popular entry-level model, offers a user-friendly experience with excellent image quality for its class. It’s designed to guide beginners through the complexities of DSLR photography with its helpful guide modes.
On the other hand, the D90, a former enthusiast favorite, brings a more robust set of controls and a slightly more advanced feature set. It bridges the gap between beginner and professional, offering more creative freedom for those ready to take the next step.
This comparison aims to dissect the key differences and similarities between the Nikon D3100 and the Nikon D90, helping you make an informed choice that best suits your photographic journey.
Specs at a Glance
| Feature | nikon d3100 | d90 |
|---|---|---|
| Sensor Size | APS-C | APS-C |
| Megapixels | 14.2 MP | 12.3 MP |
| ISO Range | 100-3200 (expandable to 12800) | 200-3200 (expandable to 6400) |
| Autofocus Points | 11 | 11 |
| Continuous Shooting Speed | 3 fps | 4.5 fps |
| Video Recording | 1080p @ 24 fps | 720p @ 24 fps |
| LCD Screen Size | 3.0 inch | 3.0 inch |
| Viewfinder Coverage | 95% | 96% |
| Body Construction | Plastic | Magnesium Alloy/Plastic |
| Weather Sealing | No | No |
| Built-in GPS | No | No |
| Live View | Yes | Yes |
Feature-by-Feature Breakdown
Sensor and Image Quality
- Nikon D3100: Features a 14.2 MP APS-C CMOS sensor. It produces good image quality for its class, with decent low-light performance for everyday shooting. Its resolution is sufficient for most casual photographers and smaller prints.
- D90: Equipped with a 12.3 MP APS-C CMOS sensor. While slightly lower resolution, it’s renowned for excellent image quality, particularly in dynamic range and color rendition, often outperforming the D3100 in challenging lighting conditions.
- Winner: d90
Autofocus System
- Nikon D3100: Utilizes a 3-point AF system. This is a basic setup, adequate for stationary subjects but can struggle with fast-moving action or precise focus in low light.
- D90: Boasts a more advanced 11-point AF system with 3D tracking. This provides superior subject acquisition and tracking capabilities, making it much more versatile for sports and action photography.
- Winner: d90
Video Recording
- Nikon D3100: Capable of recording Full HD (1080p) video at 24fps. It offers a good introduction to DSLR video, with basic manual controls available.
- D90: Records HD (720p) video at 24fps. While lower resolution than the D3100, it was one of the first DSLRs to offer video recording, and its implementation is generally considered solid, though lacking advanced features.
- Winner: nikon d3100
Build Quality and Ergonomics
- Nikon D3100: Constructed with a lighter, more plastic-heavy body. It’s compact and easy to handle for beginners, but might feel less robust for extensive professional use.
- D90: Features a more substantial, weather-sealed magnesium alloy body. This offers greater durability and a more professional feel, with better button placement for experienced users.
- Winner: d90
LCD Screen
- Nikon D3100: Comes with a 3-inch, 230k-dot fixed LCD screen. It’s bright and clear for reviewing images, but its lower resolution and lack of articulation can be limiting.
- D90: Equipped with a 3-inch, 921k-dot LCD screen. The significantly higher resolution provides a much sharper and more detailed view for composing shots and reviewing images, offering a superior viewing experience.
- Winner: d90
Continuous Shooting Speed
- Nikon D3100: Offers a continuous shooting speed of approximately 3 frames per second (fps). This is sufficient for casual bursts but can be a bottleneck for capturing fast-paced action.
- D90: Achieves a faster continuous shooting speed of approximately 4.5 frames per second (fps). This slight advantage makes it better suited for capturing sequences of action.
- Winner: d90
Battery Life
- Nikon D3100: Rated for approximately 550 shots per charge. This is a respectable battery life for a consumer-level DSLR, allowing for extended shooting sessions.
- D90: Offers an impressive battery life of around 850 shots per charge. This significantly longer endurance is a major advantage for photographers who are often away from power sources.
- Winner: d90
Top LCD Panel
- Nikon D3100: Lacks a dedicated top LCD panel. Information is primarily displayed on the rear LCD, requiring more interaction for quick setting checks.
- D90: Features a convenient top LCD panel. This allows for quick and easy checking of shooting settings like aperture, shutter speed, and ISO without needing to look at the rear screen.
- Winner: d90
Winner by Category
| Category | Winner |
|---|---|
| Beginner Friendliness | nikon d3100 |
| Image Quality (Overall) | nikon d3100 |
| Video Capabilities | nikon d3100 |
| Build Quality | d90 |
| Continuous Shooting Speed | d90 |
| Advanced Features | d90 |
| Value for Money (New) | nikon d3100 |
What They Have in Common
- Sensor Size: Both cameras utilize an APS-C sized sensor, which is a standard for DSLRs in their class, offering a good balance between image quality and lens compatibility.
- Autofocus System: They share the same 11-point autofocus system, providing decent coverage for tracking moving subjects and achieving sharp focus in various shooting scenarios.
- Lcd Screen: Both models feature a 3.0-inch LCD screen, offering a good size for reviewing images and navigating menus.
- Live View Functionality: The inclusion of Live View on both cameras allows users to compose shots using the rear screen, similar to a point-and-shoot camera.
- Scene Modes: Both the D3100 and D90 come equipped with various scene modes, which automatically adjust camera settings to suit specific shooting situations like portraits, landscapes, or sports.
- Image Stabilization: While not built into the body, both cameras rely on lens-based image stabilization (VR lenses) to help reduce blur from camera shake.
Nikon D3100 Vs D90 Buying Guide
Beginner Photographers
The Nikon D3100 is an excellent starting point for those new to DSLR photography. Its intuitive interface and Guide Mode make it incredibly easy to learn the basics of exposure, composition, and shooting in different scenarios. The D3100 offers a forgiving learning curve, allowing beginners to focus on capturing great shots without being overwhelmed by complex settings. It’s a camera that empowers you to grow your skills. (See Also: Demeyere 5 Plus Vs Atlantis )
Enthusiast Photographers Seeking More Control
For photographers who have outgrown entry-level DSLRs and crave more creative freedom, the Nikon D90 presents a compelling upgrade. It offers a more robust set of manual controls, a wider ISO range for better low-light performance, and a more sophisticated autofocus system. The D90 provides the flexibility needed to experiment with advanced techniques and achieve a more professional look in your images.
Portability and Durability
While both cameras are relatively compact for DSLRs, the D3100 is generally lighter and more streamlined, making it an excellent choice for casual outings and travel. The D90, though slightly bulkier, offers a more substantial feel and build quality that many enthusiasts appreciate. Consider your typical shooting environment when deciding which form factor best suits your needs for extended use.
Budget Considerations
The Nikon D3100 is typically found at a lower price point, making it a more accessible option for those on a tighter budget. The D90, being a more advanced model with a longer production run and often available on the used market, can offer a great value for its performance. Determine your budget and weigh the features offered by each camera to find the best fit.
Who Should Buy What?
Buy nikon d3100 If…
- You are a beginner photographer looking for an easy-to-use DSLR with helpful guidance modes.
- You prioritize a lightweight and compact camera body for everyday shooting.
- You want to shoot Full HD video at a higher frame rate.
- Budget-conscious and seeking an excellent entry-level DSLR experience.
Buy d90 If…
- You are an enthusiast photographer who wants more manual control and creative flexibility.
- You desire a slightly faster continuous shooting speed for capturing action.
- You prefer a more robust build quality and a slightly more advanced feature set.
- You are comfortable with a slightly older, but still capable, DSLR.
Frequently Asked Questions
Which camera is better for video recording?
The Nikon D3100 offers decent 1080p video recording capabilities, making it suitable for casual video projects. The D90, while also capable of recording video, was one of the earlier DSLRs to do so and its video features are less refined. For dedicated video shooters, newer models might be preferable, but between these two, the D3100 generally provides a slightly more user-friendly video experience. (See Also: Nikon 50 1 8 Vs 1 4 )
What is the difference in image quality?
Both cameras produce excellent image quality for their class. The D3100 features a 14.2-megapixel sensor, while the D90 boasts a 12.3-megapixel sensor. While the D3100 has a slight edge in resolution, the D90’s sensor is known for its excellent dynamic range and performance at higher ISOs. For most everyday shooting, the differences will be subtle, but the D90 may offer a bit more flexibility in challenging lighting conditions.
Which camera has better autofocus performance?
The Nikon D90 generally offers a more advanced and capable autofocus system compared to the D3100. The D90 features 11 focus points, including a cross-type sensor in the center, which allows for quicker and more accurate focusing, especially in low light or when tracking moving subjects. The D3100’s autofocus is competent for general use but may struggle more with fast action or dim environments.
Is the D90’s top LCD screen a significant advantage?
Yes, the top LCD screen on the Nikon D90 is a significant advantage for enthusiasts. It allows you to quickly check and adjust camera settings like aperture, shutter speed, ISO, and exposure compensation without having to delve into the main menu or look at the rear LCD. This streamlines the shooting process and is a feature commonly found on more professional-grade DSLRs.
Which camera is more durable and built for heavy use?
The Nikon D90 is generally considered more durable and built for heavier use than the D3100. It has a more robust construction and a more professional feel, often featuring a magnesium alloy top and rear cover. The D3100, while a solid camera, is designed more with portability and a beginner-friendly price point in mind, so it might not withstand the same level of rigorous handling as the D90. (See Also: Samsung Pro Vs Evo 850 )
Final Verdict
The Nikon D3100 is an exceptional entry-level DSLR, perfect for beginners seeking an easy-to-use camera with great image quality and helpful guide modes. However, for those who desire more creative control, better low-light performance, and a more durable build for enthusiast-level photography, the Nikon D90 stands out. Its advanced features and robust handling make it the superior choice for photographers looking to grow their skills and capture more demanding shots.
Winner: Nikon D90