NVIDIA GRID A100A vs NVIDIA Quadro K620

VS

We compared two Professional market GPUs: 48GB VRAM GRID A100A and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100A 's Advantages

Released 5 years and 10 months late

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (1866GB/s vs 28.80GB/s)

6528 additional rendering cores

NVIDIA Quadro K620 's Advantages

Boost Clock has increased by 12% (1124MHz vs 1005MHz)

Lower TDP (45W vs 400W)

Score

Benchmark

FP32 (float)

GRID A100A +1509%

13.89 TFLOPS

Quadro K620

0.863 TFLOPS

GRID A100A

VS

Quadro K620

Graphics Card

May 2020

Release Date

Jul 2014

GRID

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

1058 MHz

1005 MHz

Boost Clock

1124 MHz

1215 MHz

Memory Clock

900 MHz

Memory

48GB

Memory Size

2GB

HBM2e

Memory Type

DDR3

6144bit

Memory Bus

128bit

1866GB/s

Bandwidth

28.80GB/s

Render Config

108

SM Count

-

Compute Units

-

6912

Shading Units

384

432

TMUs

24

192

ROPs

16

432

Tensor Cores

-

RT Cores

-

192 KB (per SM)

L1 Cache

64 KB (per SMM)

48 MB

L2 Cache

2 MB

Theoretical Performance

193.0 GPixel/s

Pixel Rate

17.98 GPixel/s

434.2 GTexel/s

Texture Rate

26.98 GTexel/s

55.57 TFLOPS

FP16 (half)

-

13.89 TFLOPS

FP32 (float)

863.2 GFLOPS

6.947 TFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

GA100

GPU Name

GM107

-

GPU Variant

GM107-850-A2

Ampere

Architecture

Maxwell

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

1.87 billion

826 mm²

Die Size

148 mm²

Board Design

400W

TDP

45W

800 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

8.0

CUDA

5.0

N/A

Shader Model

5.1

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