Panasonic LUMIX S9 Mirrorless Camera, 24. vs Sony a5100 16-
Updated August 2026 — Panasonic LUMIX S9 Mirrorless Camera, 24. wins on video and image quality, Sony a5100 16- wins on price and portability.
The Panasonic LUMIX S9 excels in advanced features and image quality, making it ideal for professionals, while the Sony a5100 offers great value for casual users.
Why Panasonic LUMIX S9 Mirrorless Camera, 24. is better
Image Quality
Full-frame sensor provides superior low-light performance.
Video Capabilities
4K video recording for professional use.
Autofocus
Advanced Phase Hybrid AF technology for fast focusing.
Why Sony a5100 16- is better
Price
Significantly lower price point.
Portability
Lightweight design with flip-up LCD.
Ease of Use
User-friendly for beginners.
Overall score
Specifications
| Spec | Panasonic LUMIX S9 Mirrorless Camera, 24. | Sony a5100 16- |
|---|---|---|
| Sensor Type | Full Frame | APS-C |
| Megapixels | 24.2MP | 24MP |
| Video Resolution | 4K | 1080p |
| Autofocus Points | Phase Hybrid AF | 179 AF points |
| Weight | Approx. 1.5 lbs | Approx. 0.9 lbs |
Dimension comparison
Introduction to the Cameras
When it comes to choosing a mirrorless camera, the Panasonic LUMIX S9 and the Sony a5100 stand out as two popular options. The LUMIX S9 is priced at $1,497.99, while the a5100 offers a more budget-friendly option at $777.48, making it about 48% less expensive. Each camera appeals to different users, catering to a range of photography needs and preferences. This comparison will delve into their features, performance, design, and overall value.
Image Quality
The Panasonic LUMIX S9 boasts a full-frame sensor with 24.2MP, delivering high-resolution images with excellent low-light performance. In contrast, the Sony a5100 features a 24MP APS-C sensor, which also provides impressive image quality but may not perform as well in challenging lighting conditions. The LUMIX S9 is designed for content creators who prioritize high image quality and flexibility in framing, whereas the a5100 is suitable for casual photographers looking for reliable performance in a compact package.
Autofocus and Performance
In terms of autofocus capabilities, the LUMIX S9 utilizes Phase Hybrid AF technology, which ensures fast and accurate focusing, especially in dynamic shooting environments. The camera's advanced features are complemented by powerful image stabilization. On the other hand, the Sony a5100 features an ultra-fast autofocus system with 179 AF points and a continuous shooting speed of 6 frames per second, making it efficient for capturing fast-moving subjects. Both cameras excel in their autofocus performance, but the LUMIX S9 offers more advanced options for professional use.
Video Capabilities
The Panasonic LUMIX S9 is designed with videographers in mind, allowing for high-resolution video recording, including 4K capabilities, which is ideal for content creators. It also includes features like slow motion and time-lapse, enhancing its versatility. In contrast, the Sony a5100 records Full HD 1080p video at 24/60 frames per second, which is sufficient for most casual users. While both cameras deliver quality video, the LUMIX S9 stands out for those focusing on professional video production.
Connectivity and Sharing
Both cameras feature seamless connectivity options for sharing images. The LUMIX S9 allows users to transfer content to smartphones via ultra-fast Wi-Fi and the LUMIX Lab app, making it easy for users to share their stunning shots on social media. The Sony a5100 also supports instant sharing through Wi-Fi and NFC, catering to users who prioritize convenience. While both cameras excel in this area, the LUMIX S9's features may offer a slight edge for those who use more advanced editing and sharing methods.
Design and Build Quality
The design of the Panasonic LUMIX S9 is compact yet packed with professional-grade features, making it an attractive option for serious photographers. Its sleek design not only looks good but is also functional, providing easy access to controls. The Sony a5100, on the other hand, features a lightweight and portable design with a 3-inch flip-up LCD, which is perfect for selfies and vlogging. While both cameras are designed for mobility, the a5100's flip-up screen adds practical benefits for content creators.
Price Comparison
The price difference between the two cameras is significant, with the Panasonic LUMIX S9 priced at $1,497.99 and the Sony a5100 at $777.48, making the LUMIX S9 about 93% more expensive. This substantial price gap reflects the advanced features and capabilities of the LUMIX S9, aimed at professional users compared to the more budget-friendly a5100, which appeals to entry-level photographers. If cost is a primary consideration, the a5100 presents a compelling value.
User Experience and Popularity
The Panasonic LUMIX S9 has a sales rank of 39,115, indicating a strong presence in the market, while the Sony a5100 holds a sales rank of 41,658. Both cameras are popular choices, but the slight edge in sales rank for the LUMIX S9 suggests it may be favored among more serious photography enthusiasts. User experience can vary significantly based on individual needs, with the LUMIX S9 catering to advanced users and the a5100 appealing to those seeking simplicity and ease of use.
Which should you buy?
Choosing between the Panasonic LUMIX S9 and the Sony a5100 ultimately depends on your photography needs and budget. If you are a professional or serious enthusiast seeking high image quality and advanced features, the LUMIX S9 is the better option despite its higher price. However, for casual photographers or those new to mirrorless cameras, the Sony a5100 offers excellent value with solid performance and ease of use at a significantly lower price. In the end, both cameras have their merits, making them suitable for different types of users.

