NVIDIA RTX A4 Mobile vs NVIDIA Quadro M620 Mobile

VS

NVIDIA RTX A4 Mobile

NVIDIA Quadro M620 Mobile

We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 2GB VRAM Quadro M620 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 4 years and 3 months late

Boost Clock has increased by 81% (1770MHz vs 977MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 80.19GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4 Mobile +625%

7.25 TFLOPS

Quadro M620 Mobile

1 TFLOPS

RTX A4 Mobile

VS

Quadro M620 Mobile

Graphics Card

Apr 2021

Release Date

Jan 2017

Quadro Ampere-M

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 4.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1297 MHz

Base Clock

756 MHz

1770 MHz

Boost Clock

977 MHz

1750 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

80.19GB/s

Render Config

-

16

SM Count

-

2048

Shading Units

512

64

TMUs

32

ROPs

16

64

Tensor Cores

-

16

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

56.64 GPixel/s

Pixel Rate

15.63 GPixel/s

113.3 GTexel/s

Texture Rate

31.26 GTexel/s

7.250 TFLOPS

FP16 (half)

-

7.250 TFLOPS

FP32 (float)

1000 GFLOPS

113.3 GFLOPS

FP64 (double)

31.26 GFLOPS

Board Design

Unknown

TDP

30W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA107

GPU Name

GM107

-

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

8.7 billion

Transistors

1.87 billion

200 mm²

Die Size

148 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

5.0

6.7

Shader Model

5.1

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