NVIDIA RTX A4500 vs NVIDIA Quadro K620

VS

NVIDIA RTX A4500

NVIDIA Quadro K620

We compared two Professional market GPUs: 20GB VRAM RTX A4500 and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4500 's Advantages

Released 7 years and 4 months late

Boost Clock has increased by 47% (1650MHz vs 1124MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (640.0GB/s vs 28.80GB/s)

6784 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 200W)

Score

Benchmark

FP32 (float)

RTX A4500 +2640%

23.65 TFLOPS

Quadro K620

0.863 TFLOPS

RTX A4500

VS

Quadro K620

Graphics Card

Nov 2021

Release Date

Jul 2014

Quadro Ampere

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1050 MHz

Base Clock

1058 MHz

1650 MHz

Boost Clock

1124 MHz

2000 MHz

Memory Clock

900 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

320bit

Memory Bus

128bit

640.0GB/s

Bandwidth

28.80GB/s

Render Config

-

56

SM Count

-

7168

Shading Units

384

224

TMUs

24

96

ROPs

16

224

Tensor Cores

-

56

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

6 MB

L2 Cache

2 MB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

17.98 GPixel/s

369.6 GTexel/s

Texture Rate

26.98 GTexel/s

23.65 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

863.2 GFLOPS

369.6 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

200W

TDP

45W

550 W

Suggested PSU

200 W

4x DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Processor

GA102

GPU Name

GM107

-

GPU Variant

GM107-850-A2

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

1.87 billion

628 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

6.7

Shader Model

5.1

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