NVIDIA A16 PCIe vs NVIDIA RTX A400

VS

NVIDIA A16 PCIe

NVIDIA RTX A400

We compared two Desktop platform GPUs: 16GB VRAM A16 PCIe and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A16 PCIe 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (231.9GB/s vs 96.00GB/s)

512 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 3 years late

Boost Clock has increased by 4% (1762MHz vs 1695MHz)

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

A16 PCIe +60%

4.339 TFLOPS

RTX A400

2.706 TFLOPS

A16 PCIe

VS

RTX A400

Graphics Card

Apr 2021

Release Date

Apr 2024

Tesla

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

885 MHz

Base Clock

1417 MHz

1695 MHz

Boost Clock

1762 MHz

1812 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

64bit

231.9GB/s

Bandwidth

96.00GB/s

Render Config

-

10

SM Count

6

1280

Shading Units

768

40

TMUs

24

32

ROPs

16

40

Tensor Cores

24

10

RT Cores

6

128 KB (per SM)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

54.24 GPixel/s

Pixel Rate

28.19 GPixel/s

67.80 GTexel/s

Texture Rate

42.29 GTexel/s

4.339 TFLOPS

FP16 (half)

2.706 TFLOPS

4.339 TFLOPS

FP32 (float)

2.706 TFLOPS

135.6 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

No outputs

Outputs

4x mini-DisplayPort 1.4a

8-pin EPS

Power Connectors

None

Graphics Processor

GA107

GPU Name

GA107

-

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

Unknown

Transistors

8.7 billion

Unknown

Die Size

200 mm²

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

6.8

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