---
library_name: pytorch
license: other
tags:
- android
pipeline_tag: image-to-image

---

![](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/real_esrgan_general_x4v3/web-assets/model_demo.png)

# Real-ESRGAN-General-x4v3: Optimized for Qualcomm Devices

Real-ESRGAN is a machine learning model that upscales an image with minimal loss in quality.

This is based on the implementation of Real-ESRGAN-General-x4v3 found [here](https://github.com/xinntao/Real-ESRGAN/tree/master).
This repository contains pre-exported model files optimized for Qualcomm® devices. You can use the [Qualcomm® AI Hub Models](https://github.com/qualcomm/ai-hub-models/blob/main/src/qai_hub_models/models/real_esrgan_general_x4v3) library to export with custom configurations. More details on model performance across various devices, can be found [here](#performance-summary).

Qualcomm AI Hub Models uses [Qualcomm AI Hub Workbench](https://workbench.aihub.qualcomm.com) to compile, profile, and evaluate this model. [Sign up](https://myaccount.qualcomm.com/signup) to run these models on a hosted Qualcomm® device.

## Getting Started
There are two ways to deploy this model on your device:

### Option 1: Download Pre-Exported Models

Below are pre-exported model assets ready for deployment.

| Runtime | Precision | Chipset | SDK Versions | Download |
|---|---|---|---|---|
| ONNX | float | Universal | QAIRT 2.42, ONNX Runtime 1.24.3 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/real_esrgan_general_x4v3/releases/v0.53.1/real_esrgan_general_x4v3-onnx-float.zip)
| ONNX | w8a8 | Universal | QAIRT 2.42, ONNX Runtime 1.24.3 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/real_esrgan_general_x4v3/releases/v0.53.1/real_esrgan_general_x4v3-onnx-w8a8.zip)
| QNN_DLC | float | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/real_esrgan_general_x4v3/releases/v0.53.1/real_esrgan_general_x4v3-qnn_dlc-float.zip)
| QNN_DLC | w8a8 | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/real_esrgan_general_x4v3/releases/v0.53.1/real_esrgan_general_x4v3-qnn_dlc-w8a8.zip)
| TFLITE | float | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/real_esrgan_general_x4v3/releases/v0.53.1/real_esrgan_general_x4v3-tflite-float.zip)
| TFLITE | w8a8 | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/real_esrgan_general_x4v3/releases/v0.53.1/real_esrgan_general_x4v3-tflite-w8a8.zip)

For more device-specific assets and performance metrics, visit **[Real-ESRGAN-General-x4v3 on Qualcomm® AI Hub](https://aihub.qualcomm.com/models/real_esrgan_general_x4v3)**.


### Option 2: Export with Custom Configurations

Use the [Qualcomm® AI Hub Models](https://github.com/qualcomm/ai-hub-models/blob/main/src/qai_hub_models/models/real_esrgan_general_x4v3) Python library to compile and export the model with your own:
- Custom weights (e.g., fine-tuned checkpoints)
- Custom input shapes
- Target device and runtime configurations

This option is ideal if you need to customize the model beyond the default configuration provided here.

See our repository for [Real-ESRGAN-General-x4v3 on GitHub](https://github.com/qualcomm/ai-hub-models/blob/main/src/qai_hub_models/models/real_esrgan_general_x4v3) for usage instructions.

## Model Details

**Model Type:** Model_use_case.super_resolution

**Model Stats:**
- Model checkpoint: realesr-general-x4v3
- Input resolution: 128x128
- Number of parameters: 1.21M
- Model size (float): 4.65 MB
- Model size (w8a8): 1.25 MB

## Performance Summary
| Model | Runtime | Precision | Chipset | Inference Time (ms) | Peak Memory Range (MB) | Primary Compute Unit
|---|---|---|---|---|---|---
| Real-ESRGAN-General-x4v3 | ONNX | float | Snapdragon® 8 Elite Gen 5 Mobile | 2.65 ms | 0 - 152 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Snapdragon® 8 Elite Mobile | 3.572 ms | 0 - 147 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Snapdragon® X2 Elite | 3.438 ms | 4 - 4 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Snapdragon® X Elite | 6.426 ms | 9 - 9 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Snapdragon® X Elite | 6.426 ms | 9 - 9 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Snapdragon® 8 Gen 3 Mobile | 4.557 ms | 6 - 199 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Qualcomm® QCS8550 (Proxy) | 5.973 ms | 6 - 8 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Qualcomm® QCS9075 | 9.826 ms | 6 - 9 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | float | Snapdragon® 8 Elite For Galaxy Mobile | 3.572 ms | 0 - 147 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 0.695 ms | 0 - 157 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® 8 Elite Mobile | 0.979 ms | 0 - 39 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® X2 Elite | 2.788 ms | 0 - 0 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® X Elite | 1.948 ms | 2 - 2 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® X Elite | 1.948 ms | 2 - 2 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® 8 Gen 3 Mobile | 1.226 ms | 0 - 169 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Qualcomm® QCS6490 | 154.727 ms | 23 - 29 MB | CPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Qualcomm® QCS8550 (Proxy) | 1.728 ms | 0 - 79 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Qualcomm® QCS9075 | 1.95 ms | 0 - 3 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Qualcomm® QCM6690 | 146.545 ms | 23 - 31 MB | CPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 0.979 ms | 0 - 39 MB | NPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® 7 Gen 4 Mobile | 119.411 ms | 26 - 35 MB | CPU
| Real-ESRGAN-General-x4v3 | ONNX | w8a8 | Snapdragon® 7 Gen 4 Mobile | 119.411 ms | 26 - 35 MB | CPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Snapdragon® 8 Elite Gen 5 Mobile | 2.302 ms | 0 - 159 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Snapdragon® 8 Elite Mobile | 3.253 ms | 0 - 155 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Snapdragon® X2 Elite | 3.497 ms | 0 - 0 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Snapdragon® X Elite | 6.353 ms | 0 - 0 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Snapdragon® X Elite | 6.353 ms | 0 - 0 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Snapdragon® 8 Gen 3 Mobile | 4.291 ms | 0 - 184 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® QCS8275 (Proxy) | 33.183 ms | 0 - 150 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® QCS8550 (Proxy) | 5.828 ms | 0 - 3 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® SA8775P | 9.407 ms | 0 - 154 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® SA8775P | 9.407 ms | 0 - 154 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® SA8775P | 9.407 ms | 0 - 154 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® QCS9075 | 9.619 ms | 0 - 5 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® QCS8450 (Proxy) | 8.887 ms | 0 - 89 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® SA7255P | 33.183 ms | 0 - 150 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Qualcomm® SA8295P | 9.725 ms | 0 - 51 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | float | Snapdragon® 8 Elite For Galaxy Mobile | 3.253 ms | 0 - 155 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 0.638 ms | 0 - 38 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® 8 Elite Mobile | 0.924 ms | 0 - 39 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® X2 Elite | 0.97 ms | 0 - 0 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® X Elite | 1.975 ms | 0 - 0 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® X Elite | 1.975 ms | 0 - 0 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® 8 Gen 3 Mobile | 1.242 ms | 0 - 163 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® QCS6490 | 6.263 ms | 0 - 2 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® QCS8275 (Proxy) | 5.675 ms | 0 - 148 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® QCS8550 (Proxy) | 1.751 ms | 0 - 2 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® SA8775P | 2.047 ms | 0 - 151 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® SA8775P | 2.047 ms | 0 - 151 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® SA8775P | 2.047 ms | 0 - 151 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® QCS9075 | 1.98 ms | 2 - 4 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® QCM6690 | 25.018 ms | 0 - 147 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® QCS8450 (Proxy) | 2.809 ms | 0 - 66 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® SA7255P | 5.675 ms | 0 - 148 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Qualcomm® SA8295P | 3.233 ms | 0 - 45 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 0.924 ms | 0 - 39 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® 7 Gen 4 Mobile | 2.353 ms | 0 - 147 MB | NPU
| Real-ESRGAN-General-x4v3 | QNN_DLC | w8a8 | Snapdragon® 7 Gen 4 Mobile | 2.353 ms | 0 - 147 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Snapdragon® 8 Elite Gen 5 Mobile | 2.302 ms | 0 - 163 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Snapdragon® 8 Elite Mobile | 3.219 ms | 0 - 158 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Snapdragon® 8 Gen 3 Mobile | 4.291 ms | 0 - 186 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® QCS8275 (Proxy) | 33.217 ms | 3 - 157 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® QCS8550 (Proxy) | 5.886 ms | 3 - 6 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® SA8775P | 9.439 ms | 3 - 160 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® SA8775P | 9.439 ms | 3 - 160 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® SA8775P | 9.439 ms | 3 - 160 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® QCS9075 | 9.566 ms | 3 - 11 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® QCS8450 (Proxy) | 8.891 ms | 3 - 96 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® SA7255P | 33.217 ms | 3 - 157 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Qualcomm® SA8295P | 9.76 ms | 3 - 57 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | float | Snapdragon® 8 Elite For Galaxy Mobile | 3.219 ms | 0 - 158 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 0.648 ms | 0 - 39 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Snapdragon® 8 Elite Mobile | 0.918 ms | 0 - 35 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Snapdragon® 8 Gen 3 Mobile | 1.244 ms | 12 - 177 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® QCS6490 | 6.18 ms | 1 - 5 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® QCS8275 (Proxy) | 5.693 ms | 1 - 150 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® QCS8550 (Proxy) | 1.759 ms | 0 - 2 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® SA8775P | 2.063 ms | 0 - 152 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® SA8775P | 2.063 ms | 0 - 152 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® SA8775P | 2.063 ms | 0 - 152 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® QCS9075 | 1.997 ms | 0 - 4 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® QCM6690 | 24.952 ms | 1 - 150 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® QCS8450 (Proxy) | 2.842 ms | 0 - 65 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® SA7255P | 5.693 ms | 1 - 150 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Qualcomm® SA8295P | 3.227 ms | 0 - 46 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 0.918 ms | 0 - 35 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Snapdragon® 7 Gen 4 Mobile | 2.364 ms | 0 - 149 MB | NPU
| Real-ESRGAN-General-x4v3 | TFLITE | w8a8 | Snapdragon® 7 Gen 4 Mobile | 2.364 ms | 0 - 149 MB | NPU

## License
* The license for the original implementation of Real-ESRGAN-General-x4v3 can be found
  [here](https://github.com/xinntao/Real-ESRGAN/blob/master/LICENSE).

## References
* [Real-ESRGAN: Training Real-World Blind Super-Resolution with Pure Synthetic Data](https://arxiv.org/abs/2107.10833)
* [Source Model Implementation](https://github.com/xinntao/Real-ESRGAN/tree/master)

## Community
* Join [our AI Hub Slack community](https://aihub.qualcomm.com/community/slack) to collaborate, post questions and learn more about on-device AI.
* For questions or feedback please [reach out to us](mailto:ai-hub-support@qti.qualcomm.com).