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

NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4090

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

The 4090 is ~2x faster with the same VRAM; the 3090 delivers the capacity for a fraction of the price if you don't need top speed.