1080p how many megapixels

So look through the usages of 4K security cameras, 5MP security cameras, p security cameras and p security cameras below to decide which your best bet is. Important Note : Actually, some high quality p Full HD security cameras might also offer you clear images with vivid details, just like the ZOSI C p rechargeable battery security camera shown as below. Not only because the HD security cameras deliver blurry and low-quality images, they also no long hold advantages in price over p or 5MP security cameras.

Now that you have learned the differences among 4K security cameras, 5MP security cameras, p security cameras and p security cameras, you can be off to choose the one that best meets your security needs and budget. Let me know what your option is in the comments below. Sign in close.

Remember me. No account yet? Create an Account. Search for: Search. Shopping cart close. Are They Right For Me? Though 4K IP cameras are not budget-accessible and prevailing now, they can greatly enhance your video streaming experience with no doubt.

They are currently the mainstream in the security camera filed and deliver much clearer images than p and p IP cameras. They are suitable for the general-purpose video surveillance but sometimes may fail to figure out small details from a distance.

Due to the growing demand for higher quality images and videos, p security IP cameras are now gradually losing their grip in the market. Image Quality The higher the security camera resolution, the better image quality and more vivid details you will obtain.

This is extremely common with 4K video since very few sensors and processor can handle that data at 30 FPS. The disadvantage of this is a diminished angle-of-view. How much depends on the sensor resolution; for 12 MP, it would be very minimal since x is not much wider than x For a 16 or 20 MP sensor, it can be as much as 1. Note that HD and 4K video have a aspect-ratio, so even on a 12 MP sensor, there will be a high amount of vertical cropping. Some sensors have additional circuitry that makes them able to output binned pixels which then must be resampled down to the desired video resolution.

So say a 12 MP sensor with xpx resolution could output x which would then be resampled or cropped to p. This way one does not need such fast readout and a less powerful processor can be used. CMOS sensors - which are the most common nowadays - can also perform random reading of pixels so they can subsample pixels from a large area of the sensor, skipping some in between.

This results in certain artifacts, particularly moire. The phone is capable of 12 Mpixel still images but only p video. This is fairly typical; it takes a lot more processing power to take video at a given resolution than to take a still at that resolution. The difference is that the video image is processed from still frames. The data transfer rate for full sensor resolution i.

We barely make full use of p video. So the hardware in your phone does a specialized and very fast scaling of each frame of video down from the full 12Mp to the standard p or whatever you specified. That video frame is then encoded using the required codec again typically by fast specialized hardware to form a compact video stream. Sign up to join this community. The best answers are voted up and rise to the top.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. How can a camera be both 12MP and p, when x is just 2,,? Ask Question. Asked 4 years, 9 months ago. Active 4 years, 9 months ago. While was the year of megapixel surveillance cameras, it was also the year where confusion between HD and megapixel cameras began. Historically, everyone who sold cameras with 1 million pixels or more called them megapixel cameras.

However, in the last 6 months, a number of manufacturers have begun touting their new megapixel cameras as HD. Indeed, Axis emphasizes HD, rather than megapixel in its marketing, causing many to ask what is the difference and which is better? HD is a type of megapixel camera. All HD cameras are megapixel but not all megapixel cameras are HD. While standard definition cameras e.

For most surveillance applications, the aspect ratio of HD cameras will be more efficient to the aspect of traditional megapixel cameras. In surveillance, you generally need to view far wider than you need to see high. The reason is that people and vehicles are only so tall but they can be anywhere across a wide area. However, this does not mean you have to use a HDTV camera.