AMD Radeon Instinct MI300 vs NVIDIA Quadro K420

VS

AMD Radeon Instinct MI300

NVIDIA Quadro K420

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI300 and 1024MB VRAM Quadro K420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages

Released 8 years and 6 months late

Boost Clock1700MHz

More VRAM (128GB vs 1024GB)

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

13888 additional rendering cores

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 600W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300 +14147%

47.87 TFLOPS

Quadro K420

0.336 TFLOPS

Radeon Instinct MI300

VS

Quadro K420

Graphics Card

Jan 2023

Release Date

Jul 2014

Radeon Instinct

Generation

Quadro

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1700 MHz

Boost Clock

-

1600 MHz

Memory Clock

891 MHz

Memory

128GB

Memory Size

1024MB

HBM3

Memory Type

DDR3

8192bit

Memory Bus

128bit

3277GB/s

Bandwidth

28.51GB/s

Render Config

220

Compute Units

-

14080

Shading Units

192

880

TMUs

16

0

ROPs

16

880

Tensor Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

16 MB

L2 Cache

256 KB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

3.504 GPixel/s

1496 GTexel/s

Texture Rate

14.02 GTexel/s

383.0 TFLOPS

FP16 (half)

-

47.87 TFLOPS

FP32 (float)

336.4 GFLOPS

47.87 TFLOPS

FP64 (double)

14.02 GFLOPS

Board Design

600W

TDP

41W

1000 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Processor

Aqua Vanjaram

GPU Name

GK107

-

GPU Variant

GK107-301-A2

CDNA 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

153 billion

Transistors

1.27 billion

1017 mm²

Die Size

118 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

N/A

Shader Model

5.1

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