gpu//db
$ gpudb compare --a=rtx-4090 --b=rtx-3090
// side-by-side spec diff · AI workload focus

NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 3090

NVIDIA GeForce RTX 4090 Ada Lovelace · 24 GB · flagship
NVIDIA GeForce RTX 3090 Ampere · 24 GB · enthusiast
Spec wins
NVIDIA GeForce RTX 4090: 2 NVIDIA GeForce RTX 3090: 2
Spec NVIDIA GeForce RTX 4090NVIDIA GeForce RTX 3090
Overview
Manufacturer NVIDIA NVIDIA
Architecture Ada Lovelace Ampere
Tier flagship enthusiast
Memory
VRAM 24 GB 24 GB
Compute
FP16 TFLOPS 82.6 35.6
FP32 TFLOPS 82.6 35.6
TDP 450 W 350 W
AI
Runs 70B (quantized) ✕ no ✕ no
AI value 4.0/5 4.3/5
Verdict
Price
$ / FP16 TFLOP
▸ VERDICT

The 3090 has the same 24GB VRAM for far less on the used market; the 4090 is roughly 2x faster and adds Ada efficiency for those who need speed.