Haha, so, one of my computers is a Dell Latitude D830 with the optional 1920x1200 screen and nVidia Quadro NVS 140M.
This GPU is so pathetically slow when used for a modern Linux desktop that Firefox is actually running faster and smoother with software rendering instead.
On a Core 2 Duo. Which moments ago had a core pegged to 100% as it failed to read and write the GPU fast enough.
... I'm actually impressed.
Edit: oh my fucking God I turned off hardware video decoding in Telegram Desktop and that's fixed too now, HOW IS THE GPU SO BAD
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