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NVIDIA GeForce RTX 3090 Ti vs NVIDIA GeForce RTX 3080 Ti
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA GeForce RTX 3090 Ti
Architecture
Ampere
Year
2022
VRAM
24 GB
TDP
450 W
NVIDIA GeForce RTX 3080 Ti
Architecture
Ampere
Year
2021
VRAM
12 GB
TDP
350 W
Specifications
NVIDIA GeForce RTX 3090 Ti NVIDIA GeForce RTX 3080 Ti
Architecture
Ampere Ampere
Launch Year
2022 2021
Form Factor
PCIe PCIe
VRAM
24 GB12 GB
Memory Bandwidth
1.0 TB/s912 GB/s
TDP
450 W350 W
Process Node
8nm 8nm
| Spec | NVIDIA GeForce RTX 3090 Ti | NVIDIA GeForce RTX 3080 Ti |
|---|---|---|
| Architecture | Ampere | Ampere |
| Launch Year | 2022 | 2021 |
| Form Factor | PCIe | PCIe |
| VRAM | 24 GB | 12 GB |
| Memory Bandwidth | 1.0 TB/s | 912 GB/s |
| TDP | 450 W | 350 W |
| Process Node | 8nm | 8nm |
Performance (TFLOPS)
NVIDIA GeForce RTX 3090 Ti NVIDIA GeForce RTX 3080 Ti
FP64
0.6 TFlops 0.5 TFlops
FP32
40.0 TFlops 34.1 TFlops
FP16
40.0 TFlops
sparse not published
34.1 TFlops sparse not published
BF16
40.0 TFlops
sparse not published
34.1 TFlops sparse not published
INT8
80.0 TFlops
sparse not published
68.2 TFlops sparse not published
| Precision | NVIDIA GeForce RTX 3090 Ti | NVIDIA GeForce RTX 3080 Ti |
|---|---|---|
| FP64 | 0.6 TFlops | 0.5 TFlops |
| FP32 | 40.0 TFlops | 34.1 TFlops |
| FP16 | 40.0 TFlops sparse not published | 34.1 TFlops sparse not published |
| BF16 | 40.0 TFlops sparse not published | 34.1 TFlops sparse not published |
| INT8 | 80.0 TFlops sparse not published | 68.2 TFlops sparse not published |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
NVIDIA
GeForce RTX 3080 Ti
0.10 TFLOPS/W
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