AMD Instinct MI300X vs NVIDIA Quadro K620M

VS

We compared two Professional market GPUs: 192GB VRAM AMD Instinct MI300X and 2GB VRAM Quadro K620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

Released 8 years and 9 months late

Boost Clock has increased by 87% (2100MHz vs 1124MHz)

More VRAM (192GB vs 2GB)

Larger VRAM bandwidth (5300GB/s vs 14.40GB/s)

19072 additional rendering cores

NVIDIA Quadro K620M 's Advantages

Lower TDP (30W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +18833%

163.4 TFLOPS

Quadro K620M

0.863 TFLOPS

AMD Instinct MI300X

VS

Quadro K620M

Graphics Card

Dec 2023

Release Date

Mar 2015

Instinct

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1000 MHz

Base Clock

1029 MHz

2100 MHz

Boost Clock

1124 MHz

5200 MHz

Memory Clock

900 MHz

Memory

192GB

Memory Size

2GB

HBM3

Memory Type

DDR3

8192bit

Memory Bus

64bit

5300GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

304

Compute Units

-

19456

Shading Units

384

880

TMUs

16

0

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

16 MB

L2 Cache

1024 KB

Theoretical Performance

0 MPixel/s

Pixel Rate

8.992 GPixel/s

1496 GTexel/s

Texture Rate

17.98 GTexel/s

1300 TFLOPS

FP16 (half)

-

163.4 TFLOPS

FP32 (float)

863.2 GFLOPS

81.7 TFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

MI300

GPU Name

GM108

-

GPU Variant

N15M-Q3

CDNA 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

146 billion

Transistors

Unknown

1017 mm²

Die Size

Unknown

Board Design

750W

TDP

30W

1000 W

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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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