NVIDIA Quadro K420 vs NVIDIA A10 PCIe

VS

NVIDIA Quadro K420

NVIDIA A10 PCIe

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 24GB VRAM A10 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 150W)

NVIDIA A10 PCIe 's Advantages

Released 6 years and 9 months late

Boost Clock1695MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (600.2GB/s vs 28.51GB/s)

9024 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

A10 PCIe +9197%

31.24 TFLOPS

Quadro K420

VS

A10 PCIe

Graphics Card

Jul 2014

Release Date

Apr 2021

Quadro

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

885 MHz

-

Boost Clock

1695 MHz

891 MHz

Memory Clock

1563 MHz

Memory

1024MB

Memory Size

24GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

384bit

28.51GB/s

Bandwidth

600.2GB/s

Render Config

-

SM Count

72

192

Shading Units

9216

16

TMUs

288

16

ROPs

96

-

Tensor Cores

288

-

RT Cores

72

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

3.504 GPixel/s

Pixel Rate

162.7 GPixel/s

14.02 GTexel/s

Texture Rate

488.2 GTexel/s

-

FP16 (half)

31.24 TFLOPS

336.4 GFLOPS

FP32 (float)

31.24 TFLOPS

14.02 GFLOPS

FP64 (double)

976.3 GFLOPS

Board Design

41W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.2

Outputs

No outputs

None

Power Connectors

1x 8-pin

Graphics Processor

GK107

GPU Name

GA102

GK107-301-A2

GPU Variant

GA102-890-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.27 billion

Transistors

28.3 billion

118 mm²

Die Size

628 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.6

5.1

Shader Model

6.6

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