MyPrivateClaw
AMD Radeon RX 7900 XTX 24GB — Best AMD option for local inference — with significant ROCm caveats
The RX 7900 XTX offers 24GB GDDR6 at 960 GB/s bandwidth and is significantly cheaper than the RTX 4090. For llama.cpp with Vulkan or HIP backend it perfor…
Category
hardware
Why it matters
The RX 7900 XTX offers 24GB GDDR6 at 960 GB/s bandwidth and is significantly cheaper than the RTX 4090. For llama.cpp with Vulkan or HIP backend it performs reasonably well on 7B–34B models. However, ROCm support on consumer Radeon cards is a second class citizen — AMD's official ROCm stack targets Instinct datacenter GPUs, not Radeon. Consumer ROCm requires workarounds and performance can be inconsistent.
Best for
Linux users comfortable with ROCm workarounds who want maximum VRAM at the lowest price