NVIDIA RTX A4500 vs NVIDIA Quadro K420

VS

We compared two Professional market GPUs: 20GB VRAM RTX A4500 and 1024MB VRAM Quadro K420 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 Clock1650MHz

More VRAM (20GB vs 1GB)

Larger VRAM bandwidth (640.0GB/s vs 28.51GB/s)

6976 additional rendering cores

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 200W)

Score

Benchmark

FP32 (float)

RTX A4500 +6938%

23.65 TFLOPS

Quadro K420

0.336 TFLOPS

RTX A4500

VS

Quadro K420

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

-

1650 MHz

Boost Clock

-

2000 MHz

Memory Clock

891 MHz

Memory

20GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

320bit

Memory Bus

128bit

640.0GB/s

Bandwidth

28.51GB/s

Render Config

56

SM Count

-

Compute Units

-

7168

Shading Units

192

224

TMUs

16

96

ROPs

16

224

Tensor Cores

-

56

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

256 KB

Theoretical Performance

158.4 GPixel/s

Pixel Rate

3.504 GPixel/s

369.6 GTexel/s

Texture Rate

14.02 GTexel/s

23.65 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

336.4 GFLOPS

369.6 GFLOPS

FP64 (double)

14.02 GFLOPS

Graphics Processor

GA102

GPU Name

GK107

-

GPU Variant

GK107-301-A2

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

1.27 billion

628 mm²

Die Size

118 mm²

Board Design

200W

TDP

41W

550 W

Suggested PSU

200 W

4x DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.2

1x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.7

Shader Model

5.1

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