NVIDIA Quadro P400 vs NVIDIA RTX A4000

VS

We compared two Professional market GPUs: 2GB VRAM Quadro P400 and 16GB VRAM RTX A4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro P400 's Advantages

Lower TDP (30W vs 140W)

NVIDIA RTX A4000 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 25% (1560MHz vs 1252MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 32.06GB/s)

5888 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro P400

0.641 TFLOPS

RTX A4000 +2890%

19.17 TFLOPS

OctaneBench

Quadro P400

9

RTX A4000 +3788%

350

Quadro P400

VS

RTX A4000

Graphics Card

Feb 2017

Release Date

Apr 2021

Quadro

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1228 MHz

Base Clock

735 MHz

1252 MHz

Boost Clock

1560 MHz

1002 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

32.06GB/s

Bandwidth

448.0GB/s

Render Config

2

SM Count

48

-

Compute Units

-

256

Shading Units

6144

16

TMUs

192

16

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

48 KB (per SM)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

Theoretical Performance

20.03 GPixel/s

Pixel Rate

149.8 GPixel/s

20.03 GTexel/s

Texture Rate

299.5 GTexel/s

10.02 GFLOPS

FP16 (half)

19.17 TFLOPS

641.0 GFLOPS

FP32 (float)

19.17 TFLOPS

20.03 GFLOPS

FP64 (double)

299.5 GFLOPS

Graphics Processor

GP107

GPU Name

GA104

GP107-825-KA-A1

GPU Variant

GA104-875-A1

Pascal

Architecture

Ampere

Samsung

Foundry

Samsung

14 nm

Process Size

8 nm

3.3 billion

Transistors

17.4 billion

132 mm²

Die Size

392 mm²

Board Design

30W

TDP

140W

200 W

Suggested PSU

300 W

3x mini-DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

6.1

CUDA

8.6

6.4

Shader Model

6.7

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