NVIDIA Quadro P620 Mobile vs NVIDIA RTX A4 Mobile

VS

NVIDIA Quadro P620 Mobile

NVIDIA RTX A4 Mobile

We compared two Professional market GPUs: 4GB VRAM Quadro P620 Mobile and 4GB VRAM RTX A4 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4 Mobile 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 23% (1770MHz vs 1443MHz)

Larger VRAM bandwidth (224.0GB/s vs 96.13GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro P620 Mobile

1.478 TFLOPS

RTX A4 Mobile +390%

7.25 TFLOPS

Quadro P620 Mobile

VS

RTX A4 Mobile

Graphics Card

Feb 2018

Release Date

Apr 2021

Quadro Mobile

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1177 MHz

Base Clock

1297 MHz

1443 MHz

Boost Clock

1770 MHz

1502 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

96.13GB/s

Bandwidth

224.0GB/s

Render Config

-

4

SM Count

16

512

Shading Units

2048

32

TMUs

64

16

ROPs

32

-

Tensor Cores

64

-

RT Cores

16

48 KB (per SM)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

23.09 GPixel/s

Pixel Rate

56.64 GPixel/s

46.18 GTexel/s

Texture Rate

113.3 GTexel/s

23.09 GFLOPS

FP16 (half)

7.250 TFLOPS

1478 GFLOPS

FP32 (float)

7.250 TFLOPS

46.18 GFLOPS

FP64 (double)

113.3 GFLOPS

Board Design

40W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GP107

GPU Name

GA107

-

Pascal

Architecture

Ampere

Samsung

Foundry

Samsung

14 nm

Process Size

8 nm

3.3 billion

Transistors

8.7 billion

132 mm²

Die Size

200 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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