SystemInfo.graphicsDeviceName

The name of the graphics device (Read Only).

This is the name of user's graphics card, as reported by the graphics driver.

JavaScripts

// Prints "ATI Radeon X1600 OpenGL Engine" on MacBook Pro running OS X 10.4.8

print (SystemInfo.graphicsDeviceName);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Awake() {
print(SystemInfo.graphicsDeviceName);
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Awake():
print(SystemInfo.graphicsDeviceName)

Note that the same graphics card can be reported by different names depending on the operating system, driver and so on. If you want to reliably identify some specific card, use SystemInfo.graphicsDeviceID SystemInfo.graphicsDeviceVendorID.