NVIDIA GeForce RTX 3090 vs NVIDIA H20
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA GeForce RTX 3090
Architecture
Ampere
Year
2020
VRAM
24 GB
TDP
350 W
NVIDIA H20
Architecture
Hopper
Year
2024
VRAM
96 GB
TDP
400 W
Specifications
NVIDIA GeForce RTX 3090 NVIDIA H20
Architecture
Ampere Hopper
Launch Year
2020 2024
Form Factor
PCIe SXM
VRAM
24 GB96 GB
Memory Bandwidth
936 GB/s4.0 TB/s
TDP
350 W400 W
Process Node
8nm 4nm
| Spec | NVIDIA GeForce RTX 3090 | NVIDIA H20 |
|---|---|---|
| Architecture | Ampere | Hopper |
| Launch Year | 2020 | 2024 |
| Form Factor | PCIe | SXM |
| VRAM | 24 GB | 96 GB |
| Memory Bandwidth | 936 GB/s | 4.0 TB/s |
| TDP | 350 W | 400 W |
| Process Node | 8nm | 4nm |
Performance (TFLOPS)
NVIDIA GeForce RTX 3090 NVIDIA H20
FP64
0.6 TFlops1.0 TFlops
FP32
35.6 TFlops44.0 TFlops
FP16
35.6 TFlops148.0 TFlops
BF16
35.6 TFlops148.0 TFlops
INT8
71.2 TFlops296.0 TFlops
| Precision | NVIDIA GeForce RTX 3090 | NVIDIA H20 |
|---|---|---|
| FP64 | 0.6 TFlops | 1.0 TFlops |
| FP32 | 35.6 TFlops | 44.0 TFlops |
| FP16 | 35.6 TFlops | 148.0 TFlops |
| BF16 | 35.6 TFlops | 148.0 TFlops |
| INT8 | 71.2 TFlops | 296.0 TFlops |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
NVIDIA
H20
0.11 TFLOPS/W
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