NVIDIA RTX A2000 Mobile vs NVIDIA Quadro K620

VS

NVIDIA RTX A2000 Mobile

NVIDIA Quadro K620

We compared two Professional market GPUs: 4GB VRAM RTX A2000 Mobile and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A2000 Mobile 's Advantages

Released 6 years and 9 months late

Boost Clock has increased by 21% (1358MHz vs 1124MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (176.0GB/s vs 28.80GB/s)

2176 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 95W)

Score

Benchmark

FP32 (float)

RTX A2000 Mobile +705%

6.953 TFLOPS

Quadro K620

0.863 TFLOPS

RTX A2000 Mobile

VS

Quadro K620

Graphics Card

Apr 2021

Release Date

Jul 2014

Quadro Mobile

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

893 MHz

Base Clock

1058 MHz

1358 MHz

Boost Clock

1124 MHz

1375 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

128bit

176.0GB/s

Bandwidth

28.80GB/s

Render Config

-

20

SM Count

-

2560

Shading Units

384

80

TMUs

24

48

ROPs

16

80

Tensor Cores

-

20

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

65.18 GPixel/s

Pixel Rate

17.98 GPixel/s

108.6 GTexel/s

Texture Rate

26.98 GTexel/s

6.953 TFLOPS

FP16 (half)

-

6.953 TFLOPS

FP32 (float)

863.2 GFLOPS

108.6 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

95W

TDP

45W

-

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GA106

GPU Name

GM107

-

GPU Variant

GM107-850-A2

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

12 billion

Transistors

1.87 billion

276 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

6.6

Shader Model

5.1

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