BF4 Mantle update is live
http://battlelog.battlefield.com/bf4/news/view/bf4-mantle-live/
How to enable Mantle
In order to use Mantle you will need the following:
- AMD Catalyst 14.1 Beta drivers. AMD will post them here.
- AMD Radeon GPU with Graphics Core Next
- Note: AMD Catalyst™ 14.1 initially supports the AMD Radeon™ R9 290X, R9 290, R7 260X and “Kaveri” APU (learn more)
- 64-bit Windows (7, 8 or 8.1)
If you have the above you will see a new “Graphics API” option in the in-game Graphics Options settings after starting the game, here you can switch between using DirectX 11 and Mantle (remember to restart the game after changing).
Here is a summary of the test cases:
Test case | 1: Low-end single-player | 2: 64-player multi-player | 3: Multi-GPU single-player |
CPU | AMD A10-7850K (‘Kaveri’ APU), 4 cores @ 3.7 GHz | AMD FX-8350, 8 cores @ 4 GHz | Intel Core i7-3970x Extreme, 12 logical cores @ 3.5 GHz |
GPU | N/A | AMD Radeon 7970 3 GB | 2x AMD Radeon R9 290x 4 GB |
Settings | 720p Medium | Ultra 1080p | Ultra 1080p 4x MSAA |
OS | Windows 7 64-bit | Windows 8 64-bit | Windows 8 64-bit |
Level | Singapore | Siege of Shanghai | South China Sea |
DX11 avg | 26.6 ms/f (37.6 fps) | 18.87 ms/f (52.9 fps) | 13.24 ms/f (78.4 fps) |
Mantle avg | 23.3 ms/f (43 fps) | 15.08 ms/f (66.3 fps) | 8.38 ms/f (121.5 fps) |
Improvement | 14% faster | 25.1% faster | 58% faster |
More at the link
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