NVIDIA Quadro K620 vs NVIDIA RTX A1000 Mobile 6 GB

VS

NVIDIA Quadro K620

NVIDIA RTX A1000 Mobile 6 GB

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 6GB VRAM RTX A1000 Mobile 6 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 60W)

NVIDIA RTX A1000 Mobile 6 GB 's Advantages

Released 7 years and 8 months late

Boost Clock has increased by 1% (1140MHz vs 1124MHz)

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (132.0GB/s vs 28.80GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620

0.863 TFLOPS

RTX A1000 Mobile 6 GB +576%

5.837 TFLOPS

Quadro K620

VS

RTX A1000 Mobile 6 GB

Graphics Card

Jul 2014

Release Date

Mar 2022

Quadro

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1058 MHz

Base Clock

652 MHz

1124 MHz

Boost Clock

1140 MHz

900 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

6GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

96bit

28.80GB/s

Bandwidth

132.0GB/s

Render Config

-

SM Count

20

384

Shading Units

2560

24

TMUs

80

16

ROPs

32

-

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

36.48 GPixel/s

26.98 GTexel/s

Texture Rate

91.20 GTexel/s

-

FP16 (half)

5.837 TFLOPS

863.2 GFLOPS

FP32 (float)

5.837 TFLOPS

26.98 GFLOPS

FP64 (double)

91.20 GFLOPS

Board Design

45W

TDP

60W

200 W

Suggested PSU

-

1x DVI 1x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

GA107

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.87 billion

Transistors

8.7 billion

148 mm²

Die Size

200 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

6.7

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