GPU cloud / RTX 3090 vs RTX 4090

RTX 3090 vs RTX 4090 for inference

VRAM: RTX 3090 24 GB; RTX 4090 24 GB. 70B 4-bit estimated memory with 20% headroom: 42.0 GB. Throughput depends on model and workload; enter a measured rate in the cost calculator.

GPUProviderVRAMGPU countUSD/hour$/GB/hrBillingTypeVerifiedSource
RTX 3090salad24 GB1$0.09lowest priority$0.004per-secondinterruptible2026-09-26Official price ↗
RTX 4090salad24 GB1$0.16lowest priority$0.007per-secondinterruptible2026-09-26Official price ↗
RTX 4090tensordock24 GB1from $0.35$0.015hourlyon-demand2026-09-26Official price ↗
RTX 3090runpod24 GB1$0.50$0.021per-secondon-demand2026-09-26Official price ↗
RTX 4090runpod24 GB1$0.74$0.031per-secondon-demand2026-09-26Official price ↗

Each price has an official source and verification date. Rates and availability change; affiliate links, if added later, will be marked sponsored.