... | ... | @@ -46,4 +46,4 @@ The i.MX 8M Quad in the Librem 5 contains the same four Cortex-A53 CPU cores as |
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The faster DRAM in the Librem 5 effects the speed at which it loads programs and can display an interface. Although the CPU performance of the i.MX 8M Quad is significantly behind the Raspberry Pi 4B, its graphics performance is much closer, due to its Vivante GC7000Lite GPU, which is significantly more powerful than the Mali-400 MP2 in the PinePhone.
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These results probably wil change in the future, with better software development. Currently the Vivante GC7000Lite GPU in the Librem 5 is running at 800MHz with 0.9V. When dynamic voltage frequency scaling (DVFS) is enabled in the i.MX 8M Quad, it should be able to run at 1000MHz with 1.0V, so that should provide about a 20% improvement to its GPU scores. If the free Entaviv driver gets support for OpenGL 3, OpenGL ES 3 and Vulkan in the future, the Librem 5 will become a signficantly better gaming device. Currently, the A64 in the PinePhone is running at 1.152GHz, but the A64 documentation says that it supports up to 1.2GHz, which would provide a 4% improvement to its CPU scores. If the PinePhone's DRAM clock can be increased from 552MHz to 624MHz, that would improve its memory speed by 13%. glmark2-es2 runs significantly faster in Wayland than in X11, but Raspbarian doesn't yet support Wayland, so the Raspberry Pi 4B's glmark2-es2 score can probably be improved by installing a distro that supports Wayland. |
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These results probably wil change in the future, with better software development. Currently the Vivante GC7000Lite GPU in the Librem 5 is running at 800MHz with 0.9V. When dynamic voltage frequency scaling (DVFS) is enabled in the i.MX 8M Quad, it should be able to run at 1000MHz with 1.0V, so that should provide about a 20% improvement to its GPU scores. If the free Entaviv driver gets support for OpenGL 3, OpenGL ES 3 and Vulkan in the future, the Librem 5 will become a significantly better gaming device. Currently, the A64 in the PinePhone is running at 1.152GHz, but the A64 documentation says that it supports up to 1.2GHz, which would provide a 4% improvement to its CPU scores. If the PinePhone's DRAM clock can be increased from 552MHz to 624MHz, that would improve its memory speed by 13%. glmark2-es2 runs significantly faster in Wayland than in X11, but Raspbarian doesn't yet support Wayland, so the Raspberry Pi 4B's glmark2-es2 score can probably be improved by installing a distro that supports Wayland. |
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