NVIDIA RTX A4000 vs NVIDIA Quadro 400

VS

We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 512MB VRAM Quadro 400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Released 10 years late

Boost Clock1560MHz

Larger VRAM bandwidth (448.0GB/s vs 12.32GB/s)

6096 additional rendering cores

NVIDIA Quadro 400 's Advantages

Lower TDP (32W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000 +17650%

19.17 TFLOPS

Quadro 400

0.108 TFLOPS

RTX A4000

VS

Quadro 400

Graphics Card

Apr 2021

Release Date

Apr 2011

Quadro Ampere

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1750 MHz

Memory Clock

770 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

12.32GB/s

Render Config

48

SM Count

6

-

Compute Units

-

6144

Shading Units

48

192

TMUs

16

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

32 KB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

3.600 GPixel/s

299.5 GTexel/s

Texture Rate

7.200 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

108.0 GFLOPS

299.5 GFLOPS

FP64 (double)

-

Graphics Processor

GA104

GPU Name

GT216

GA104-875-A1

GPU Variant

GT216 GL

Ampere

Architecture

Tesla 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

0.486 billion

392 mm²

Die Size

100 mm²

Board Design

140W

TDP

32W

300 W

Suggested PSU

200 W

4x DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

1.2

6.7

Shader Model

4.1

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