AMD Radeon Instinct MI300 vs NVIDIA Quadro M620 Mobile

VS

AMD Radeon Instinct MI300

NVIDIA Quadro M620 Mobile

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI300 and 2GB VRAM Quadro M620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages

Released 6 years late

Boost Clock has increased by 74% (1700MHz vs 977MHz)

More VRAM (128GB vs 2GB)

Larger VRAM bandwidth (3277GB/s vs 80.19GB/s)

13568 additional rendering cores

NVIDIA Quadro M620 Mobile 's Advantages

Lower TDP (30W vs 600W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300 +4687%

47.87 TFLOPS

Quadro M620 Mobile

1 TFLOPS

Radeon Instinct MI300

VS

Quadro M620 Mobile

Graphics Card

Jan 2023

Release Date

Jan 2017

Radeon Instinct

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1000 MHz

Base Clock

756 MHz

1700 MHz

Boost Clock

977 MHz

1600 MHz

Memory Clock

1253 MHz

Memory

128GB

Memory Size

2GB

HBM3

Memory Type

GDDR5

8192bit

Memory Bus

128bit

3277GB/s

Bandwidth

80.19GB/s

Render Config

220

Compute Units

-

14080

Shading Units

512

880

TMUs

32

0

ROPs

16

880

Tensor Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

16 MB

L2 Cache

2 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

15.63 GPixel/s

1496 GTexel/s

Texture Rate

31.26 GTexel/s

383.0 TFLOPS

FP16 (half)

-

47.87 TFLOPS

FP32 (float)

1000 GFLOPS

47.87 TFLOPS

FP64 (double)

31.26 GFLOPS

Board Design

600W

TDP

30W

1000 W

Suggested PSU

-

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Processor

Aqua Vanjaram

GPU Name

GM107

-

CDNA 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

153 billion

Transistors

1.87 billion

1017 mm²

Die Size

148 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

N/A

Shader Model

5.1

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