AMD Instinct MI300A vs NVIDIA RTX A4500 Mobile

VS

AMD Instinct MI300A NVIDIA RTX A4500 Mobile

We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 16GB VRAM RTX A4500 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300A 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 40% (2100MHz vs 1500MHz)

More VRAM (128GB vs 16GB)

Larger VRAM bandwidth (5300GB/s vs 512.0GB/s)

8704 additional rendering cores

NVIDIA RTX A4500 Mobile 's Advantages

Lower TDP (140W vs 760W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300A +594%

122.6 TFLOPS

RTX A4500 Mobile

17.66 TFLOPS

AMD Instinct MI300A

VS

RTX A4500 Mobile

Graphics Card

Dec 2023

Release Date

Mar 2022

Instinct

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

930 MHz

2100 MHz

Boost Clock

1500 MHz

5200 MHz

Memory Clock

2000 MHz

Memory

128GB

Memory Size

16GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

256bit

5300GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

46

228

Compute Units

-

14592

Shading Units

5888

880

TMUs

184

0

ROPs

96

-

Tensor Cores

184

-

RT Cores

46

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

4 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

144.0 GPixel/s

1496 GTexel/s

Texture Rate

276.0 GTexel/s

980.6 TFLOPS

FP16 (half)

17.66 TFLOPS

122.6 TFLOPS

FP32 (float)

17.66 TFLOPS

61.3 TFLOPS

FP64 (double)

276.0 GFLOPS

Graphics Processor

MI300

GPU Name

GA104

-

GPU Variant

-

CDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

146 billion

Transistors

17.4 billion

1017 mm²

Die Size

392 mm²

Board Design

760W

TDP

140W

1000 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

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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