NVIDIA Quadro K620 vs NVIDIA RTX A2000 Mobile

VS

NVIDIA Quadro K620

NVIDIA RTX A2000 Mobile

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

Main Differences

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 95W)

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

Score

Benchmark

FP32 (float)

Quadro K620

0.863 TFLOPS

RTX A2000 Mobile +705%

6.953 TFLOPS

Quadro K620

VS

RTX A2000 Mobile

Graphics Card

Jul 2014

Release Date

Apr 2021

Quadro

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1058 MHz

Base Clock

893 MHz

1124 MHz

Boost Clock

1358 MHz

900 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

20

384

Shading Units

2560

24

TMUs

80

16

ROPs

48

-

Tensor Cores

80

-

RT Cores

20

64 KB (per SMM)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

65.18 GPixel/s

26.98 GTexel/s

Texture Rate

108.6 GTexel/s

-

FP16 (half)

6.953 TFLOPS

863.2 GFLOPS

FP32 (float)

6.953 TFLOPS

26.98 GFLOPS

FP64 (double)

108.6 GFLOPS

Board Design

45W

TDP

95W

200 W

Suggested PSU

-

1x DVI 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

GA106

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.87 billion

Transistors

12 billion

148 mm²

Die Size

276 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

8.6

5.1

Shader Model

6.6

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