NVIDIA A40 PCIe vs NVIDIA A16 PCIe

VS

NVIDIA A40 PCIe NVIDIA A16 PCIe

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 16GB VRAM A16 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Boost Clock has increased by 3% (1740MHz vs 1695MHz)

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (695.8GB/s vs 231.9GB/s)

9472 additional rendering cores

NVIDIA A16 PCIe 's Advantages

Released 6 months late

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +762%

37.42 TFLOPS

A16 PCIe

4.339 TFLOPS

Blender

A40 PCIe +717%

4170

A16 PCIe

510

A40 PCIe

VS

A16 PCIe

Graphics Card

Oct 2020

Release Date

Apr 2021

Tesla

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1305 MHz

Base Clock

885 MHz

1740 MHz

Boost Clock

1695 MHz

1812 MHz

Memory Clock

1812 MHz

Memory

48GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

128bit

695.8GB/s

Bandwidth

231.9GB/s

Render Config

84

SM Count

10

-

Compute Units

-

10752

Shading Units

1280

336

TMUs

40

112

ROPs

32

336

Tensor Cores

40

84

RT Cores

10

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

2 MB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

54.24 GPixel/s

584.6 GTexel/s

Texture Rate

67.80 GTexel/s

37.42 TFLOPS

FP16 (half)

4.339 TFLOPS

37.42 TFLOPS

FP32 (float)

4.339 TFLOPS

584.6 GFLOPS

FP64 (double)

135.6 GFLOPS

Graphics Processor

GA102

GPU Name

GA107

-

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

28.3 billion

Transistors

Unknown

628 mm²

Die Size

Unknown

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

3x DisplayPort 1.4a

Outputs

No outputs

8-pin EPS

Power Connectors

8-pin EPS

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

8.6

6.6

Shader Model

6.6

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