---
title: MTLTensorDataType.metalFloat8e4m3
framework: Metal
role: symbol
role_heading: Case
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: metal/mtltensordatatype/metalfloat8e4m3
---

# MTLTensorDataType.metalFloat8e4m3

An 8-bit floating point data type with 4 exponent bits, 3 mantissa bits, and 1 sign bit.

## Declaration

```swift
case metalFloat8e4m3
```