---
title: "Device Score"
slug: "device-score"
updated: 2025-11-14T15:24:21Z
published: 2025-11-14T15:24:21Z
canonical: "support.controlup.com/device-score"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.controlup.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Device Score

On the **Devices > Details** page, each device is given a score from 0-10 to give you an at-a-glance indication of the device's performance. It is calculated by first averaging key performance metrics and then subtracting points for poor user experiences. ![DeviceScoreHover.png](https://cdn.document360.io/098100b7-b9da-4bea-b4b9-017140ab863e/Images/Documentation/DeviceScoreHover.png)

## Step 1: Calculating the base score

The score begins by grading several available performance metrics on a scale from 0 (worst) to 10 (best). All available metric scores are then averaged together to create the base performance score.

If a metric is not available or applicable to the device, it does not contribute to the average.

| Metric | Perfect Score (10) | Worst Score (0) |
| --- | --- | --- |
| **CPU Usage** | $\le$ 80% | $\ge$ 100% |
| **Available Memory** | $\ge$ 100 MB | 0 MB |
| **Network Latency** | $\le$ 50 ms | $\ge$ 250 ms |
| **WiFi Signal** | $>$ 90% | $\le$ 30% |
| **CPU Queue Length** | 5 or more '0's (clear queue in history string) | No '0's (constantly busy queue in history string) |
| **User Input Delay** | $\le$ 1 second | $\ge$ 41 seconds |

## Step 2: Applying penalties

After the base performance score is calculated, points are deducted based on recent negative user experiences. The final score is the base score minus any applicable penalties.

| Penalty event | Scoring rule |
| --- | --- |
| **App Crashes** | Deducts **2 points** from the final score for each crash recorded. |
| **Slow Logon** | Starts deducting points if logon takes longer than 3 seconds, with a maximum penalty of 3 points for a logon time of 30 seconds or longer. |