| GPU | VRAM | Memory bandwidth | Launch MSRP (US) | Source |
|---|---|---|---|---|
| GeForce RTX 5090 | 32 GB | 1792 GB/s | $1,999 | NVIDIA: GeForce RTX 5090 specs; NVIDIA Newsroom (Jan 2025): RTX 5090/5080/5070 Ti/5070 pricing; Wikipedia: GeForce RTX 50 series (memory bandwidth table) |
| GeForce RTX 4090 | 24 GB | 1008 GB/s | $1,599 Launch MSRP (2022). Current price TBD. | NVIDIA: GeForce RTX 4090 specs; NVIDIA Newsroom (Sep 2022): RTX 40 Series pricing; Wikipedia: GeForce RTX 40 series (memory bandwidth table) |
| GeForce RTX 3090 | 24 GB | 936 GB/s | $1,499 Launch MSRP (2020); sold used today. Used price TBD. | NVIDIA: GeForce RTX 3090 specs; NVIDIA Newsroom (Sep 2020): RTX 30 Series pricing; Wikipedia: GeForce RTX 30 series (memory bandwidth table) |
VRAM and bus width from NVIDIA spec pages; bandwidth from Wikipedia series tables (not listed on NVIDIA pages); MSRPs from NVIDIA press releases. Current street prices: TBD.
The 5090 adds 8 GB over the 24 GB cards and roughly 1.8–1.9× their bandwidth. Theoretical decode ceilings for a Q4_K_M 32.8B model (≈20 GB of weights): 5090 ≈ 90 tok/s, 4090 ≈ 50, 3090 ≈ 47. These are bandwidth ceilings, not measured results.