NVIDIA B200 vs NVIDIA H20

Side-by-side comparison of specifications, performance, and efficiency.

Specifications

NVIDIA B200 NVIDIA H20
Architecture
Blackwell Hopper
Launch Year
2025 2024
Form Factor
SXM SXM
VRAM
180 GB96 GB
Memory Bandwidth
7.7 TB/s4.0 TB/s
TDP
1.0 kW400 W
Process Node
4nm 4nm

Performance (TFLOPS)

NVIDIA B200 NVIDIA H20
FP64
37.0 TFlops1.0 TFlops
FP32
75.0 TFlops44.0 TFlops
FP16
2250.0 TFlops148.0 TFlops
BF16
2250.0 TFlops148.0 TFlops
FP8
4500.0 TFlops
INT8
4500.0 TFlops296.0 TFlops

FLOPS by Precision

Efficiency — TDP vs FP32 Performance

Analysis

Most Efficient
NVIDIA H20
0.11 TFLOPS/W

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