NVIDIA A800 SXM4 80 GB vs NVIDIA H800 PCIe 80 GB

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs NVIDIA H800 PCIe 80 GB with 80 GB HBM2e and 14,592 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
Instinct MI300X Instinct MI300X
MI250 MI250

NVIDIA H800 PCIe 80 GB

44.1

NVIDIA H800 PCIe 80 GB

44.1

Contents:

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

Memory

Memory Size

80 GB
🔥 80 ГБ

Memory Type

HBM2e HBM2e

Memory Bandwidth

2.04 TB/s
🔥 2.04 TB/s

Memory Bus Width

5,120 бит 5,120 бит

ML Performance

FP16 (Half Precision)

77.97 TFLOPS
🔥 +163% 204.9 TFLOPS

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS
🔥 +163% 51.22 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS
🔥 +163% 25.61 TFLOPS

CUDA Cores

6,912
🔥 +111% 14,592

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Ampere Hopper

SM (Streaming Multiprocessor)

108
🔥 +6% 114

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
🔥 +24% 1,755

Memory Clock

1,593
🔥 1,593

Power Consumption

TDP/TGP

400 W
🔥 -12% 350 W

Recommended PSU

800 W
🔥 -6% 750 W

Power Connector

None 1x 16-pin

Rendering

Texture Units (TMU)

432
🔥 +6% 456

ROP

No No

L2 Cache

40 MB
🔥 +25% 50 MB

Additional

Slots

SXM Module Dual-slot

Release Date

Aug. 11, 2022 March 21, 2023

Display Outputs

No outputs
No outputs

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