NVIDIA H20 vs NVIDIA GH200

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

Specifications

NVIDIA H20 NVIDIA GH200
Architecture
Hopper Hopper
Launch Year
2025 2023
Form Factor
SXM SXM
VRAM
141 GB468 GB
Memory Bandwidth
4.0 TB/s900 GB/s
TDP
400 W1.0 kW
Process Node
4nm 4nm

Performance (TFLOPS)

NVIDIA H20 NVIDIA GH200
FP64
1.0 TFlops34.0 TFlops
FP32
44.0 TFlops67.0 TFlops
FP16
148.0 TFlops989.5 TFlops
BF16
148.0 TFlops989.5 TFlops
FP8
296.0 TFlops1979.0 TFlops
INT8
296.0 TFlops1979.0 TFlops

FLOPS by Precision

Efficiency — TDP vs FP32 Performance

Analysis

Most Efficient
NVIDIA H20
0.11 TFLOPS/W

Get Comparison Updates

New GPUs added weekly. Be the first to see how they compare.