NVIDIA RTX A4000 Mobile vs NVIDIA Quadro P620 Mobile

VS

NVIDIA RTX A4000 Mobile

NVIDIA Quadro P620 Mobile

We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 4GB VRAM Quadro P620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Mobile 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 16% (1680MHz vs 1443MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 96.13GB/s)

4608 additional rendering cores

NVIDIA Quadro P620 Mobile 's Advantages

Lower TDP (40W vs 115W)

Score

Benchmark

FP32 (float)

RTX A4000 Mobile +1063%

17.2 TFLOPS

Quadro P620 Mobile

1.478 TFLOPS

RTX A4000 Mobile

VS

Quadro P620 Mobile

Graphics Card

Apr 2021

Release Date

Feb 2018

Quadro Ampere-M

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1140 MHz

Base Clock

1177 MHz

1680 MHz

Boost Clock

1443 MHz

1500 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

384.0GB/s

Bandwidth

96.13GB/s

Render Config

-

40

SM Count

4

5120

Shading Units

512

160

TMUs

32

80

ROPs

16

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

48 KB (per SM)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

23.09 GPixel/s

268.8 GTexel/s

Texture Rate

46.18 GTexel/s

17.20 TFLOPS

FP16 (half)

23.09 GFLOPS

17.20 TFLOPS

FP32 (float)

1478 GFLOPS

268.8 GFLOPS

FP64 (double)

46.18 GFLOPS

Board Design

115W

TDP

40W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

GP107

-

Ampere

Architecture

Pascal

Samsung

Foundry

Samsung

8 nm

Process Size

14 nm

17.4 billion

Transistors

3.3 billion

392 mm²

Die Size

132 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

6.1

6.7

Shader Model

6.4

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