AMD Instinct MI300X vs NVIDIA Quadro M620 Mobile

VS

AMD Instinct MI300X

NVIDIA Quadro M620 Mobile

We compared two Professional market GPUs: 192GB VRAM AMD Instinct MI300X and 2GB VRAM Quadro M620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

Released 6 years and 11 months late

Boost Clock has increased by 115% (2100MHz vs 977MHz)

More VRAM (192GB vs 2GB)

Larger VRAM bandwidth (5300GB/s vs 80.19GB/s)

18944 additional rendering cores

NVIDIA Quadro M620 Mobile 's Advantages

Lower TDP (30W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +16240%

163.4 TFLOPS

Quadro M620 Mobile

1 TFLOPS

AMD Instinct MI300X

VS

Quadro M620 Mobile

Graphics Card

Dec 2023

Release Date

Jan 2017

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

2100 MHz

Boost Clock

977 MHz

5200 MHz

Memory Clock

1253 MHz

Memory

192GB

Memory Size

2GB

HBM3

Memory Type

GDDR5

8192bit

Memory Bus

128bit

5300GB/s

Bandwidth

80.19GB/s

Render Config

304

Compute Units

-

19456

Shading Units

512

880

TMUs

32

0

ROPs

16

-

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

1300 TFLOPS

FP16 (half)

-

163.4 TFLOPS

FP32 (float)

1000 GFLOPS

81.7 TFLOPS

FP64 (double)

31.26 GFLOPS

Board Design

750W

TDP

30W

1000 W

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

MI300

GPU Name

GM107

-

CDNA 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

146 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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