Storage:

IP cameras have a lot of versatility when it comes to storage and can be very convenient. However, they can quickly become burdensome when managing many cameras or a lot of footage. DVR systems are a bit more future-proofed and are designed to manage a lot of footage and many cameras

Ease of Use (Hardware/Software):

IP cameras are typically the best solution for consumers who have a very simplistic need for surveillance. They are easy to install, but can be difficult to manage. DVR systems can be difficult to install, but tend to be very easy to manage and are mostly used where a security or surveillance presence needs to be established and taken seriously.

Performance:

No one denies that IP cameras can have beautiful HD footage. But when it comes to powerful, long-term, and reliable surveillance, a DVR is the way to go.

Overall:

there is no clear-cut right or wrong answer as to which is better for you. It all really depends on what it is you need the technology for. The best way to think about it is that an IP camera system tends to sacrifice performance for convenience, and a DVR system tends to sacrifice convenience for performance. But it’s important to keep the distinction in mind that the convenience sacrificed by a DVR system has to do with the installation, which only has to be dealt once. But the performance sacrificed by an IP camera is by design and will have to be dealt with for the life of the product.
IP cameras are very convenient, quick and can be pretty powerful. DVR systems are a bit tricky to install, but are truly a more permanent solution for surveillance and offer a level of reliability and performance that distinguishes them from IP cameras. But once again, depending on the situation and application of these system, an IP camera could easily make a lot more sense in every way. So now there’s only the matter of finding which of these two options is more appropriate for your particular scenario, and that’s where you come in.

Recommendation:

IP cameras are more suitable for big corporate with servers and HDCVI are more suitable for small businesses and residential with no servers.