AMD Radeon Instinct MI300X vs NVIDIA Quadro K620

VS

AMD Radeon Instinct MI300X NVIDIA Quadro K620

We compared two Professional market GPUs: 192GB VRAM Radeon Instinct MI300X and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300X 's Advantages

Released 9 years and 5 months late

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

More VRAM (192GB vs 2GB)

Larger VRAM bandwidth (5171GB/s vs 28.80GB/s)

19072 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300X +9369%

81.72 TFLOPS

Quadro K620

0.863 TFLOPS

Radeon Instinct MI300X

VS

Quadro K620

Graphics Card

Dec 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

1058 MHz

2100 MHz

Boost Clock

1124 MHz

2525 MHz

Memory Clock

900 MHz

Memory

192GB

Memory Size

2GB

HBM3

Memory Type

DDR3

8192bit

Memory Bus

128bit

5171GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

304

Compute Units

-

19456

Shading Units

384

1216

TMUs

24

0

ROPs

16

1216

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

16 MB

L2 Cache

2 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

17.98 GPixel/s

2554 GTexel/s

Texture Rate

26.98 GTexel/s

653.7 TFLOPS

FP16 (half)

-

81.72 TFLOPS

FP32 (float)

863.2 GFLOPS

81.72 TFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

Aqua Vanjaram

GPU Name

GM107

-

GPU Variant

GM107-850-A2

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

Board Design

750W

TDP

45W

1150 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.4a

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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