NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4090
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA GeForce RTX 3090
Architecture
Ampere
Year
2020
VRAM
24 GB
TDP
350 W
NVIDIA GeForce RTX 4090
Architecture
Ada Lovelace
Year
2022
VRAM
24 GB
TDP
450 W
Specifications
NVIDIA GeForce RTX 3090 NVIDIA GeForce RTX 4090
Architecture
Ampere Ada Lovelace
Launch Year
2020 2022
Form Factor
PCIe PCIe
VRAM
24 GB24 GB
Memory Bandwidth
936 GB/s1.0 TB/s
TDP
350 W450 W
Process Node
8nm 4nm
| Spec | NVIDIA GeForce RTX 3090 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| Architecture | Ampere | Ada Lovelace |
| Launch Year | 2020 | 2022 |
| Form Factor | PCIe | PCIe |
| VRAM | 24 GB | 24 GB |
| Memory Bandwidth | 936 GB/s | 1.0 TB/s |
| TDP | 350 W | 450 W |
| Process Node | 8nm | 4nm |
Performance (TFLOPS)
NVIDIA GeForce RTX 3090 NVIDIA GeForce RTX 4090
FP64
0.6 TFlops1.3 TFlops
FP32
35.6 TFlops82.6 TFlops
FP16
35.6 TFlops165.2 TFlops
BF16
35.6 TFlops165.2 TFlops
FP8
—330.3 TFlops
INT8
71.2 TFlops330.3 TFlops
| Precision | NVIDIA GeForce RTX 3090 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| FP64 | 0.6 TFlops | 1.3 TFlops |
| FP32 | 35.6 TFlops | 82.6 TFlops |
| FP16 | 35.6 TFlops | 165.2 TFlops |
| BF16 | 35.6 TFlops | 165.2 TFlops |
| FP8 | — | 330.3 TFlops |
| INT8 | 71.2 TFlops | 330.3 TFlops |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
NVIDIA
GeForce RTX 4090
0.18 TFLOPS/W
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