H200 SXM vs NVIDIA A800 PCIe 80 GB

VS

H200 SXM NVIDIA A800 PCIe 80 GB

AI GPUAI GPU We compared two GPUs: 141GB VRAM H200 SXM and 80GB VRAM A800 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

H200 SXM 's Advantages

Released 1 years late

Boost Clock has increased by 40% (1980MHz vs 1410MHz)

More VRAM (141GB vs 80GB)

Larger VRAM bandwidth (4800GB/s vs 2039GB/s)

9984 additional rendering cores

NVIDIA A800 PCIe 80 GB 's Advantages

Lower TDP (250W vs 700W)

Score

Benchmark

FP32 (float)

H200 SXM +243%

67 TFLOPS

A800 PCIe 80 GB

19.49 TFLOPS

H200 SXM

VS

A800 PCIe 80 GB

Graphics Card

Nov 2023

Release Date

Nov 2022

Hopper

Generation

Ampere

AI GPU

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1590 MHz

Base Clock

1065 MHz

1980 MHz

Boost Clock

1410 MHz

1313 MHz

Memory Clock

1593 MHz

Memory

141GB

Memory Size

80GB

HBM3e

Memory Type

HBM2e

5120bit

Memory Bus

5120bit

4800GB/s

Bandwidth

2039GB/s

Render Config

132

SM Count

108

-

Compute Units

-

16896

Shading Units

6912

528

TMUs

432

24

ROPs

160

528

Tensor Cores

432

-

RT Cores

-

256 KB (per SM)

L1 Cache

192 KB (per SM)

50 MB

L2 Cache

80 MB

Theoretical Performance

47.52 GPixel/s

Pixel Rate

225.6 GPixel/s

1045 GTexel/s

Texture Rate

609.1 GTexel/s

1979 TFLOPS

FP16 (half)

77.97 TFLOPS

67 TFLOPS

FP32 (float)

19.49 TFLOPS

34 TFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

GH200

GPU Name

GA100

-

GPU Variant

-

Hopper

Architecture

Ampere

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

80 billion

Transistors

54.2 billion

814 mm²

Die Size

826 mm²

Board Design

700W

TDP

250W

1100 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

8-pin EPS

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

9.0

CUDA

8.0

N/A

Shader Model

N/A

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