AMD Instinct MI300A vs NVIDIA Quadro K620

VS

We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300A 's Advantages

Released 9 years and 5 months late

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

More VRAM (128GB vs 2GB)

Larger VRAM bandwidth (5300GB/s vs 28.80GB/s)

14208 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 760W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300A +14106%

122.6 TFLOPS

Quadro K620

0.863 TFLOPS

AMD Instinct MI300A

VS

Quadro K620

Graphics Card

Dec 2023

Release Date

Jul 2014

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

5200 MHz

Memory Clock

900 MHz

Memory

128GB

Memory Size

2GB

HBM3

Memory Type

DDR3

8192bit

Memory Bus

128bit

5300GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

228

Compute Units

-

14592

Shading Units

384

880

TMUs

24

0

ROPs

16

-

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

1496 GTexel/s

Texture Rate

26.98 GTexel/s

980.6 TFLOPS

FP16 (half)

-

122.6 TFLOPS

FP32 (float)

863.2 GFLOPS

61.3 TFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

MI300

GPU Name

GM107

-

GPU Variant

GM107-850-A2

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

Board Design

760W

TDP

45W

1000 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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