NVIDIA RTX A5000 vs NVIDIA Quadro K420

VS

NVIDIA RTX A5000

NVIDIA Quadro K420

We compared two Professional market GPUs: 24GB VRAM RTX A5000 and 1024MB VRAM Quadro K420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A5000 's Advantages

Released 6 years and 9 months late

Boost Clock1695MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (768.0GB/s vs 28.51GB/s)

8000 additional rendering cores

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 230W)

Score

Benchmark

FP32 (float)

RTX A5000 +8164%

27.77 TFLOPS

Quadro K420

0.336 TFLOPS

RTX A5000

VS

Quadro K420

Graphics Card

Apr 2021

Release Date

Jul 2014

Quadro Ampere

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1170 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2000 MHz

Memory Clock

891 MHz

Memory

24GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

384bit

Memory Bus

128bit

768.0GB/s

Bandwidth

28.51GB/s

Render Config

-

64

SM Count

-

8192

Shading Units

192

256

TMUs

16

96

ROPs

16

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

162.7 GPixel/s

Pixel Rate

3.504 GPixel/s

433.9 GTexel/s

Texture Rate

14.02 GTexel/s

27.77 TFLOPS

FP16 (half)

-

27.77 TFLOPS

FP32 (float)

336.4 GFLOPS

433.9 GFLOPS

FP64 (double)

14.02 GFLOPS

Board Design

230W

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 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

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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