How to reproduce:
1. Open the "Game" Scene in the user-attached Unity project on OSX and Windows machines
2. In the Game view's Control bar, open the Stats window
3. Observe the Graphics section's Tris and Verts values

Expected result: on both the OSX and Windows machines, the Tris and Verts values are the same
Actual result: the Tris and Verts values differ between OSX and Windows devices

Reproducible with:
1. LWRP 4.10.0-preview (Unity 2018.4.23f1)
2. LWRP 6.9.2 (Unity 2019.2.21f1)
3. URP 7.1.1 (Unity 2019.3.7f1)
4. URP 7.3.1 (Unity 2019.3.7f1)
5. URP 8.1.0 (Unity 2020.2.0a12)

Notes:
1. With LWRP 4.10.0-preview, iOS:
1.1. Mac: Tris 40.7k, Verts 50.8k
1.2. Windows: Tris 52.7k, Verts 63.2k
2. With URP 7.1.8, 8.1.0, iOS:
2.1. Mac: Tris 28.5k Verts 37.7k
2.2. Windows: Tris 6.8k, Verts 14.6k
3. With URP 8.1.0, Standalone:
3.1. Mac: Tris 18.6k, Verts 27.9k
3.2. Windows: Tris 6.8k, Verts 14.6k
4. No URP, Standalone:
4.1. Mac: Tris 18.6k, Verts 27.9k
4.2. Windows: Tris 18.6k, Verts 28.6k
5. No URP, iOS:
5.1. Mac: Tris 28.5k, Verts 37.7k
5.2. Windows: Tris 28.5k, Verts 37.7k