RTX 5090

The RTX 5090 is NVIDIA’s flagship consumer Blackwell GPU, pairing 32GB of GDDR7 with 419.6 TFLOPS of FP16/BF16 tensor throughput. Its PCIe 5.0 design and 575W power envelope put it in a very different class from prior consumer cards, but it remains a consumer product rather than a data-center accelerator.

Its 1,792 GB/s memory bandwidth is exceptionally high for a non-HBM card and helps feed inference workloads that would otherwise be bandwidth-bound. The 32GB capacity is enough for many 13B to 30B-class workflows with careful precision and batch-size choices, but it is still a fixed single-card memory ceiling because there is no NVLink or ECC protection.

This is a strong fit for high-throughput local inference, fine-tuning that fits in 32GB, and development environments where consumer economics are attractive. It is less appropriate for unattended, compliance-sensitive production infrastructure, very large FP16 models, or workloads that need pooled multi-GPU memory.