# Understand power architecture

The CPU subsystem architecture describes the organization of CPU cores
and their power domains. Understanding the architecture helps you to
monitor the CPU core usage and balance the power
consumption and performance of the device.

> 
> 
> Tab QCS6490/QCS5430
> Tab QCS9075
> Tab QCS8275
> 
> APSS is a set of CPUs organized into clusters. All CPU cores in a
> cluster operate at a similar frequency. Each CPU core in a cluster has a
> dedicated L1 and L2 cache.
> 
> 
> The CPU subsystem consists of three clusters and L3 cache as follows:
> 
> 
> - Qualcomm^®^ Kryo^™^ CPU Prime cluster, which has a performance CPU core
> - Kryo Gold cluster, which has CPU cores with balanced power and performance
> - Kryo Silver cluster, which has low power CPU cores for lightweight applications
> - Common L3 cache
> 
> 
> 
> ![../../_images/cpu_arch_qcs6490_updated_1.png](data:image/png;base64,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)
> 
> 
> **Figure : QCS6490/QCS5430 APSS CPU subsystem architecture**
> 
> The CPU subsystem operates on two power domains, each supplied by a dedicated switched mode power supply (SMPS) rail.
> 
> 
> The following are the supported power domains:
> 
> 
> 
> > 
> > 
> > Table : Power domains and their descriptions
> > 
> > 
> > | Power domains | Description |
> > | --- | --- |
> > | `VDD_APC0` | Power domain for the Silver cluster CPU cores and L3 cache digital circuit |
> > | `VDD_APC1` | Power domain for the Gold and Prime clusters CPU cores |
> > | `Chip_MX` | Power domain for the L1, L2, and L3 cache memories |
> > 
> > 
> > 
> > Note
> > 
> > 
> > To know more about CPU core arrangement, see [QCS6490 Data Sheet](https://docs.qualcomm.com/bundle/publicresource/topics/80-23889-1/device-description.html)
> > and [QCS5430 Data Sheet](https://docs.qualcomm.com/bundle/publicresource/topics/80-23889-1/device-description.html).
> 
> The CPU subsystem consists of two clusters with a dedicated L3 cache for each cluster.
> Each CPU core in a cluster has a dedicated L1 and L2 cache. All CPU
> cores in a cluster operate at a similar frequency.
> 
> ![../../_images/cpu_arch_qcs9075.png](data:image/png;base64,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)
> 
> **Figure : QCS9075 APSS CPU subsystem architecture**
> 
> The CPU subsystem operates on two power domains, each supplied by a
> dedicated SMPS rail.
> 
> 
> The following are the supported power domains:
> 
> 
> 
> Table : Power domains and their descriptions
> 
> 
> | Power domains | Description |
> | --- | --- |
> | `VDD_APC0` | Power domain for Cluster0 CPU cores and L3 cache digital circuit |
> | `VDD_APC1` | Power domain for Cluster1 CPU cores and L3 cache digital circuit |
> | `Chip_MX` | Power domain for the L1, L2, and L3 cache memories |
> 
> 
> 
> To know more about CPU core arrangement, see [QCS9075 Data
> Sheet](https://docs.qualcomm.com/bundle/publicresource/topics/80-73417-1/Device-description.html).
> 
> > 
> > 
> > > 
> > > 
> > > APSS is a set of CPUs organized into clusters. All CPU cores in a cluster operate at a similar frequency. Each CPU core in a cluster has a
> > > dedicated L1 and L2 cache.
> > 
> > 
> > 
> > The CPU subsystem consists of three clusters and L3 cache as follows:
> 
> 
> - Kryo Prime cluster with performance CPU cores
> - Kryo Gold cluster, which has CPU cores with balanced power and performance
> - Kryo Silver cluster, which has low power CPU cores for lightweight applications
> - Silver cluster has a dedicated L3 cache
> - Gold and Prime clusters share a dedicated L3 cache
> 
> ![../../_images/cpu_arch_qcs8275.png](data:image/png;base64,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)
> 
>     **Figure : QCS8275 APSS CPU subsystem architecture**
> 
>     The CPU subsystem operates on two power domains, each supplied by a
> dedicated SMPS rail.
> 
> 
>     The following are the supported power domains:
> 
> 
> 
> Table : Power domains and their descriptions
> 
> 
>     | Power domains | Description |
>     | --- | --- |
>     | `VDD_APC0` | Power domain for the Gold and Prime cluster CPU cores and L3 cache digital circuit |
>     | `VDD_APC1` | Power domain for the Silver cluster CPU cores and L3 cache digital circuit |
>     | `Chip_MX` | Power domain for the L1, L2, and L3 cache memories |
> 
> 
> 
> 
> > 
> > 
> > To know more about CPU core arrangement, see [QCS8275 Data
> > Sheet](https://docs.qualcomm.com/bundle/publicresource/topics/80-73475-1/device-description.html).

Last Published: Apr 10, 2025

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