If you lot've had your iPhone for some time and you notice its performance is slower than usual, you constantly lack space for new items, or the battery doesn't last more than a couple of hours, yous need to monitor the usage of three major components.

Checking the RAM, CPU, and bombardment usage of your iPhone helps you determine whether your battery is wearing down or the telephone needs a replacement altogether.

Someone working on an iPhone

It too helps you to know how to maintain your device for better functioning so it tin deliver on the kind of tasks you apply information technology for while saving coin that you'd otherwise have to spend on costly replacements and repairs.

It'south not the same as monitoring the CPU or GPU in your laptop, but there are several easy methods you can utilise to cheque the CPU on your iPhone as well as the bombardment life and memory usage.

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There'due south no born manner of monitoring your iPhone'south CPU or RAM, but there are several free and paid CPU apps you tin get from the App Store. For this guide, we're going to show you how to do information technology using the Lirum Device Info Lite app.

For the battery life and health, y'all can use the native settings to cheque these, or a 3rd-party app if y'all prefer.

How To Monitor RAM Usage On An iPhone

iPhone RAM

You may not hear virtually specs like iPhone RAM during an Apple keynote, or fifty-fifty notice such data on the visitor's website. However, yous can find it from different sources because some governments' regulatory agencies crave Apple to file these details with them. For example, China'due south TENAA (Ministry of Manufacture and It) has this data.

For the latest iPhones such every bit the 8 Plus, XS Max, XS, Ten, and XR, the RAM size is either 3GB or 4GB depending on the model, with battery capacity ranging betwixt 2,675mAh and 3,174mAh.

As mentioned earlier, there's no direct, native setting on your iPhone to monitor and/or see the actual RAM size of your iPhone, but you lot can use the Lirum Device Info Lite app to check the bodily and used memory.

The Lirum Device Info Lite app is available for gratis and can assist you retrieve your iPhone'south specifications while monitoring its performance.

To check RAM on your iPhone, download and install the app on your iPhone. Launch the app and become to the home screen. Tap Options (three horizontal lines) at the upper left side of the screen.

Next, tap This Device.

This Device highlighted under Lirum Device Info window

Tap Organization. Check the metrics you want and exit the app in one case you're washed.

How to Check CPU Usage on iPhone

Your iPhone may limit the clocking cycle to salvage battery ability, only if the device is running out of full capacity, yous need to check its CPU frequency. To bank check the CPU on iPhone, you lot can use the Lirum Device Info Low-cal app here too.

It has a real-time multicore optimized CPU usage monitor that lets y'all watch real-fourth dimension CPU usage graphs and run into metrics like:

  • Number of GPU cores
  • GPU model
  • CPU Core Base
  • CPU Current Clock and Maximum Clock
  • Dissimilarity Ratio

You can likewise see your iPhone'south internal activeness and system information with a existent-time memory allocation graph, memory clock, amount of memory, and much more than.

To bank check CPU usage on your iPhone, launch the app and go to the dwelling house screen. Tap Options (3 horizontal lines) at the upper left side of the screen.

Next, tap This Device.

Tap CPU.

CPU under Details menu

Check the metrics you want and exit the app one time you're done.

Metrics in Details menu

You can also become dorsum to the home screen and tap Tools.

Tools meu in Lirum Device Info window

Tap CPU Monitor.

CPU Monitor in Tools window

Check the graphical representation of your iPhone's CPU performance.

CPU Monitor window

How to Monitor Battery Usage on iPhone

You can also check the battery life and health or performance of your iPhone. But unlike checking RAM and CPU usage that requires an app, y'all can use the native settings on your iPhone or use a tertiary-party app if you adopt.

To bank check the battery on iPhone, open Settings and tap Bombardment.

Battery under Settings menu

Tap Bombardment Health to check the health and the functioning management characteristic that prevents unexpected shutdowns past dynamically managing your iPhone's performance. It can too automatically plough your device off.

This feature is enabled if your iPhone battery tin't deliver maximum power instantaneously, and comes on only subsequently the first unexpected shutdown happens. Information technology applies to iPhone half dozen or newer models starting with iOS 13.1, but you lot may not notice the effects of the feature on the later iPhone models every bit they have more avant-garde software and hardware design.

On the Battery Health screen, you can see data about your battery's height performance capability and capacity. The latter measures the capacity relative to when your iPhone'south battery was new.

If you notice the capacity is lower, it'southward because the battery chemically ages with fourth dimension, thus y'all become fewer usage hours between each charge, and this affects its ability to evangelize the best functioning.

Battery Health window

To check the battery life, you'll need to visit an Apple Shop or go to the native Settings app and tap Bombardment.

You lot can then bank check the battery percentage, battery usage by app, charge levels, and other important metrics.

Battery window

If you adopt to use a 3rd-political party app, you can do so and check all three metrics: CPU, RAM, and battery.

For this guide, we've been using the free Lirum Device Info Light app. To check your battery using this app, get to the Home screen and tap This Device, and tap Battery.

Battery in Details menu

Check the battery usage statistics you want to monitor and exit the app when you're done.

Battery Details screen

Yous tin besides get to the home screen and tap Tools and and so tap Bombardment.

Battery in Tools menu

Check the stats you want to monitor like the battery percent, habiliment level, actual voltage, charging level, and more.

Battery Wear Level screen

Monitoring Your iPhone Stats

As we increasingly utilise our smartphones for almost of our daily computing tasks, information technology makes sense to pay more attention to their functioning. Choosing a smartphone today is more than just a matter of mobile Os preference and aesthetics; it's largely virtually performance.

You may not be able to see an iPhone'south processor or the number of cores information technology has when buying it, but at least y'all now know how to check the RAM, CPU, and battery of your iPhone for better maintenance of your device.