---
title: MTLFeatureSet.iOS_GPUFamily2_v4
framework: metal
role: symbol
role_heading: Case
path: metal/mtlfeatureset/ios_gpufamily2_v4
---

# MTLFeatureSet.iOS_GPUFamily2_v4

The GPU family 2, version 4 feature set for iOS.

## Declaration

```swift
case iOS_GPUFamily2_v4
```

## Discussion

Discussion This feature set corresponds with Apple A8 devices running iOS 11.

## See Also

### iOS GPU family 2

- [MTLFeatureSet.iOS_GPUFamily2_v5](metal/mtlfeatureset/ios_gpufamily2_v5.md)
- [MTLFeatureSet.iOS_GPUFamily2_v3](metal/mtlfeatureset/ios_gpufamily2_v3.md)
- [MTLFeatureSet.iOS_GPUFamily2_v2](metal/mtlfeatureset/ios_gpufamily2_v2.md)
- [MTLFeatureSet.iOS_GPUFamily2_v1](metal/mtlfeatureset/ios_gpufamily2_v1.md)