GPUSPECINDEX

NVIDIA · Hopper · 2023

H800 GPU accelerator (SXM card)

H800 GPU accelerator (SXM card): 80 GB HBM3, 700 W, 16,896 CUDA cores. Launched March 21, 2023.

Memory
80 GB
Power
700 W
Bus width
5,120 bit
Memory80 GB5 of 32 in Data Center
Power700 W8 of 40 by higher draw in Data Center
CUDA cores16,8964 of 47 in Data Center

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Memory

Capacity
80 GB
Memory type
HBM3
Bus width
5,120 bit
Bandwidth
3,360 GB/s

Compute

CUDA cores
16,896
SM count
132
TMUs
528
ROPs
24
FP32
59,300 GFLOPS
FP64
29,650 GFLOPS

Clocks

Base clock
1,095 MHz
Boost clock
1,755 MHz

Board

TDP
700 W
Form factor
datacenter

Physical

Architecture
Hopper
Series
Data Center
Launch date
March 21, 2023

Not recorded by the source: generation, codename, process and transistors, or 7 further fields.

Silicon, made visible

Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.

Die size not recorded · 16,896 shadersDie size not recorded; shader grid shown without scale. Each dot = 128 shaders.16,896 shadersEach dot = 128 shadersDie size not recorded; shader grid shown without scale

Within its series, the H800 GPU accelerator (SXM card) ranks 6th of 36 for FP32 throughput and 5th of 32 for memory capacity. Its 700 W TDP is above the 75 W PCIe slot-power ceiling.

Source: Wikipedia, revision 1369488585 · catalog loaded 2026-08-16