The H20 has 20% more memory and 2x the bandwidth.

At a glance

Memory

20% more on H20

H20
96 GB
H800
80 GB

Memory bandwidth

2x higher on H20

H20
4.00 TB/s
H800
2.00 TB/s

Cheapest on-demand

H20
--
H800
--

Price comparison

Median price per GPU per hour by billing type, with the cheapest listing under it.

Specs comparison

Spec H20 H800 Difference
Memory
Capacity 96 GB HBM3 80 GB HBM2e 20% more on H20
Bandwidth 4,000 GB/s 2,000 GB/s 2x higher on H20
Bus width 5,120-bit
Platform
Interconnect PCIe only NVLink 400 GB/s NVLink on H800 only
Board power 400 W 350 W 14% higher on H20
Released Q1 2024 Q1 2023 10 months newer on H20
Precision
Supported formats FP8FP16BF16TF32FP32FP64INT8 FP8FP16BF16TF32FP32FP64INT8

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Our data for Nvidia H20 was last updated on Sept. 14, 2026, and for Nvidia H800 on Sept. 14, 2026.