NVIDIA Quadro P400 vs NVIDIA RTX A4000 Mobile

VS

NVIDIA Quadro P400

NVIDIA RTX A4000 Mobile

We compared two Professional market GPUs: 2GB VRAM Quadro P400 and 8GB VRAM RTX A4000 Mobile 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 115W)

NVIDIA RTX A4000 Mobile 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 34% (1680MHz vs 1252MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 32.06GB/s)

4864 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro P400

0.641 TFLOPS

RTX A4000 Mobile +2583%

17.2 TFLOPS

OctaneBench

Quadro P400

9

RTX A4000 Mobile +3233%

300

Quadro P400

VS

RTX A4000 Mobile

Graphics Card

Feb 2017

Release Date

Apr 2021

Quadro

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1228 MHz

Base Clock

1140 MHz

1252 MHz

Boost Clock

1680 MHz

1002 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

32.06GB/s

Bandwidth

384.0GB/s

Render Config

-

2

SM Count

40

256

Shading Units

5120

16

TMUs

160

16

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

48 KB (per SM)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

20.03 GPixel/s

Pixel Rate

134.4 GPixel/s

20.03 GTexel/s

Texture Rate

268.8 GTexel/s

10.02 GFLOPS

FP16 (half)

17.20 TFLOPS

641.0 GFLOPS

FP32 (float)

17.20 TFLOPS

20.03 GFLOPS

FP64 (double)

268.8 GFLOPS

Board Design

30W

TDP

115W

200 W

Suggested PSU

-

3x mini-DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GP107

GPU Name

GA104

GP107-825-KA-A1

GPU Variant

-

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

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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