NVIDIA A800 SXM4 80 GB vs NVIDIA H800 SXM5

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs NVIDIA H800 SXM5 with 80 GB HBM3 and 16,896 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

NVIDIA A800 SXM4 80 GB

NVIDIA A800 SXM4 80 GB

RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA H800 SXM5

NVIDIA H800 SXM5

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

80 GB 80 GB

Memory Type

HBM2e HBM3

Memory Bandwidth

2.04 TB/s 3.36 TB/s

Memory Bus Width

5,120 бит 5,120 бит

ML Performance

FP16 (Half Precision)

77.97 TFLOPS 237.2 TFLOPS

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS 59.3 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 29.65 TFLOPS

CUDA Cores

6,912 16,896

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Ampere Hopper

SM (Streaming Multiprocessor)

108 132

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

8.0
🔥 9.0

Clocks & Performance

Base Clock

1,155 1,095

Boost Clock

1,410 1,755

Memory Clock

1,593 1,313

Power Consumption

TDP/TGP

🔥 -43% 400 W
700 W

Recommended PSU

🔥 -27% 800 W
1100 W

Power Connector

None 8-pin EPS

Rendering

Texture Units (TMU)

432 528

ROP

No No

L2 Cache

40 MB 50 MB

Additional

Slots

SXM Module SXM Module

Release Date

Aug. 11, 2022 March 21, 2023

Display Outputs

No outputs
No outputs

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