NVIDIA A16 PCIe vs NVIDIA A100 SXM4 80 GB

VS

AI GPU We compared a Desktop platform GPU: 16GB VRAM A16 PCIe and a GPU: 80GB VRAM A100 SXM4 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A16 PCIe 's Advantages

Boost Clock has increased by 20% (1695MHz vs 1410MHz)

Lower TDP (250W vs 400W)

NVIDIA A100 SXM4 80 GB 's Advantages

More VRAM (80GB vs 16GB)

Larger VRAM bandwidth (2039GB/s vs 231.9GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

A16 PCIe

4.339 TFLOPS

A100 SXM4 80 GB +349%

19.49 TFLOPS

A16 PCIe

VS

A100 SXM4 80 GB

Graphics Card

Apr 2021

Release Date

Nov 2020

Tesla

Generation

Tesla Ampere

Desktop

Type

AI GPU

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

885 MHz

Base Clock

1275 MHz

1695 MHz

Boost Clock

1410 MHz

1812 MHz

Memory Clock

1593 MHz

Memory

16GB

Memory Size

80GB

GDDR6

Memory Type

HBM2e

128bit

Memory Bus

5120bit

231.9GB/s

Bandwidth

2039GB/s

Render Config

10

SM Count

108

-

Compute Units

-

1280

Shading Units

6912

40

TMUs

432

32

ROPs

160

40

Tensor Cores

432

10

RT Cores

-

128 KB (per SM)

L1 Cache

192 KB (per SM)

2 MB

L2 Cache

40 MB

Theoretical Performance

54.24 GPixel/s

Pixel Rate

225.6 GPixel/s

67.80 GTexel/s

Texture Rate

609.1 GTexel/s

4.339 TFLOPS

FP16 (half)

77.97 TFLOPS

4.339 TFLOPS

FP32 (float)

19.49 TFLOPS

135.6 GFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

GA107

GPU Name

GA100

-

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

Unknown

Transistors

54.2 billion

Unknown

Die Size

826 mm²

Board Design

250W

TDP

400W

600 W

Suggested PSU

800 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.6

CUDA

8.0

6.6

Shader Model

N/A

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