NVIDIA Quadro K420 vs AMD Radeon Instinct MI250X

VS

NVIDIA Quadro K420

AMD Radeon Instinct MI250X

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 128GB VRAM Radeon Instinct MI250X 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 500W)

AMD Radeon Instinct MI250X 's Advantages

Released 7 years and 4 months late

Boost Clock1700MHz

More VRAM (128GB vs 1024GB)

Larger VRAM bandwidth (3277GB/s vs 28.51GB/s)

13888 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

Radeon Instinct MI250X +14147%

47.87 TFLOPS

Quadro K420

VS

Radeon Instinct MI250X

Graphics Card

Jul 2014

Release Date

Nov 2021

Quadro

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1700 MHz

891 MHz

Memory Clock

1600 MHz

Memory

1024MB

Memory Size

128GB

DDR3

Memory Type

HBM2e

128bit

Memory Bus

8192bit

28.51GB/s

Bandwidth

3277GB/s

Render Config

-

Compute Units

220

-

192

Shading Units

14080

16

TMUs

880

16

ROPs

0

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

16 MB

-

Theoretical Performance

3.504 GPixel/s

Pixel Rate

0 MPixel/s

14.02 GTexel/s

Texture Rate

1496 GTexel/s

-

FP16 (half)

383.0 TFLOPS

336.4 GFLOPS

FP32 (float)

47.87 TFLOPS

14.02 GFLOPS

FP64 (double)

47.87 TFLOPS

Board Design

41W

TDP

500W

200 W

Suggested PSU

900 W

1x DVI 1x DisplayPort 1.2

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Processor

GK107

GPU Name

Aldebaran

GK107-301-A2

GPU Variant

Aldebaran XT

Kepler

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

1.27 billion

Transistors

58.2 billion

118 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

N/A

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