NVIDIA A100 SXM4 80 GB vs NVIDIA A800 PCIe 80 GB

VS

NVIDIA A100 SXM4 80 GB

NVIDIA A800 PCIe 80 GB

AI GPUAI GPU We compared two GPUs: 80GB VRAM A100 SXM4 80 GB and 80GB VRAM A800 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A800 PCIe 80 GB 's Advantages

Released 2 years late

Lower TDP (250W vs 400W)

Score

Benchmark

FP32 (float)

A100 SXM4 80 GB

19.49 TFLOPS

A800 PCIe 80 GB

19.49 TFLOPS

A100 SXM4 80 GB

VS

A800 PCIe 80 GB

Graphics Card

Nov 2020

Release Date

Nov 2022

Tesla Ampere

Generation

Ampere

AI GPU

Type

AI GPU

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1275 MHz

Base Clock

1065 MHz

1410 MHz

Boost Clock

1410 MHz

1593 MHz

Memory Clock

1593 MHz

Memory

80GB

Memory Size

80GB

HBM2e

Memory Type

HBM2e

5120bit

Memory Bus

5120bit

2039GB/s

Bandwidth

2039GB/s

Render Config

-

108

SM Count

108

6912

Shading Units

6912

432

TMUs

432

160

ROPs

160

432

Tensor Cores

432

-

192 KB (per SM)

L1 Cache

192 KB (per SM)

40 MB

L2 Cache

80 MB

-

Theoretical Performance

225.6 GPixel/s

Pixel Rate

225.6 GPixel/s

609.1 GTexel/s

Texture Rate

609.1 GTexel/s

77.97 TFLOPS

FP16 (half)

77.97 TFLOPS

19.49 TFLOPS

FP32 (float)

19.49 TFLOPS

9.746 TFLOPS

FP64 (double)

9.746 TFLOPS

Board Design

400W

TDP

250W

800 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

None

Power Connectors

8-pin EPS

Graphics Processor

GA100

GPU Name

GA100

-

Ampere

Architecture

Ampere

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

54.2 billion

Transistors

54.2 billion

826 mm²

Die Size

826 mm²

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

8.0

CUDA

8.0

N/A

Shader Model

N/A

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