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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - AMD's GPU is Slower than Intel's"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109171">109171</a>
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<th>Summary</th>
<td>AMD's GPU is Slower than Intel's
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>18.2
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>critical
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Drivers/Gallium/r600
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>ali.sherif10@yahoo.com
</td>
</tr>
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<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
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<pre>glxgears and CS: Go are much slower with AMD's GPU. Performance's much higher
with Intel's.
Outputs:
$ glxgears
306 frames in 5.0 seconds = 61.029 FPS
299 frames in 5.0 seconds = 59.761 FPS
299 frames in 5.0 seconds = 59.762 FPS
299 frames in 5.0 seconds = 59.762 FPS
299 frames in 5.0 seconds = 59.762 FPS
$ DRI_PRIME=1 glxgears
304 frames in 5.0 seconds = 60.666 FPS
299 frames in 5.0 seconds = 59.762 FPS
299 frames in 5.0 seconds = 59.762 FPS
299 frames in 5.0 seconds = 59.763 FPS
299 frames in 5.0 seconds = 59.760 FPS
$ vblank_mode=0 glxgears
ATTENTION: default value of option vblank_mode overridden by environment.
32606 frames in 5.0 seconds = 6521.047 FPS
31516 frames in 5.0 seconds = 6302.010 FPS
32145 frames in 5.0 seconds = 6428.891 FPS
31443 frames in 5.0 seconds = 6288.595 FPS
31029 frames in 5.0 seconds = 6205.721 FPS
$ DRI_PRIME=1 vblank_mode=0 glxgears
ATTENTION: default value of option vblank_mode overridden by environment.
12031 frames in 5.0 seconds = 2406.195 FPS
10110 frames in 5.0 seconds = 2021.870 FPS
10122 frames in 5.0 seconds = 2022.474 FPS
9782 frames in 5.0 seconds = 1956.206 FPS
10175 frames in 5.0 seconds = 2034.901 FPS
Laptop: HP Pavilion g6.
AMD's GPU: Radeon HD 7670M.
OS: 64-bit Linux (Fedora 29 KDE Spin).</pre>
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