NVIDIA Quadro K620 vs NVIDIA RTX A2000 12 GB

VS

NVIDIA Quadro K620

NVIDIA RTX A2000 12 GB

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 12GB VRAM RTX A2000 12 GB 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 70W)

NVIDIA RTX A2000 12 GB 's Advantages

Released 7 years and 4 months late

Boost Clock has increased by 7% (1200MHz vs 1124MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 28.80GB/s)

2944 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620

0.863 TFLOPS

RTX A2000 12 GB +825%

7.987 TFLOPS

Quadro K620

VS

RTX A2000 12 GB

Graphics Card

Jul 2014

Release Date

Nov 2021

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1058 MHz

Base Clock

562 MHz

1124 MHz

Boost Clock

1200 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

12GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

26

384

Shading Units

3328

24

TMUs

104

16

ROPs

48

-

Tensor Cores

104

-

RT Cores

26

64 KB (per SMM)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

3 MB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

57.60 GPixel/s

26.98 GTexel/s

Texture Rate

124.8 GTexel/s

-

FP16 (half)

7.987 TFLOPS

863.2 GFLOPS

FP32 (float)

7.987 TFLOPS

26.98 GFLOPS

FP64 (double)

124.8 GFLOPS

Board Design

45W

TDP

70W

200 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

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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