AMD Instinct MI300A vs NVIDIA RTX A4500

VS

We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 20GB VRAM RTX A4500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300A 's Advantages

Released 2 years and 1 months late

Boost Clock has increased by 27% (2100MHz vs 1650MHz)

More VRAM (128GB vs 20GB)

Larger VRAM bandwidth (5300GB/s vs 640.0GB/s)

7424 additional rendering cores

NVIDIA RTX A4500 's Advantages

Lower TDP (200W vs 760W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300A +418%

122.6 TFLOPS

RTX A4500

23.65 TFLOPS

AMD Instinct MI300A

VS

RTX A4500

Graphics Card

Dec 2023

Release Date

Nov 2021

Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1050 MHz

2100 MHz

Boost Clock

1650 MHz

5200 MHz

Memory Clock

2000 MHz

Memory

128GB

Memory Size

20GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

320bit

5300GB/s

Bandwidth

640.0GB/s

Render Config

-

SM Count

56

228

Compute Units

-

14592

Shading Units

7168

880

TMUs

224

0

ROPs

96

-

Tensor Cores

224

-

RT Cores

56

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

6 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

158.4 GPixel/s

1496 GTexel/s

Texture Rate

369.6 GTexel/s

980.6 TFLOPS

FP16 (half)

23.65 TFLOPS

122.6 TFLOPS

FP32 (float)

23.65 TFLOPS

61.3 TFLOPS

FP64 (double)

369.6 GFLOPS

Graphics Processor

MI300

GPU Name

GA102

-

GPU Variant

-

CDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

146 billion

Transistors

28.3 billion

1017 mm²

Die Size

628 mm²

Board Design

760W

TDP

200W

1000 W

Suggested PSU

550 W

No outputs

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

N/A

Shader Model

6.7

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