AMD Radeon Instinct MI300 vs NVIDIA RTX A5500

VS

AMD Radeon Instinct MI300

NVIDIA RTX A5500

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI300 and 24GB VRAM RTX A5500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages

Released 10 months late

Boost Clock has increased by 2% (1700MHz vs 1665MHz)

More VRAM (128GB vs 24GB)

Larger VRAM bandwidth (3277GB/s vs 768.0GB/s)

3840 additional rendering cores

NVIDIA RTX A5500 's Advantages

Lower TDP (230W vs 600W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300 +40%

47.87 TFLOPS

RTX A5500

34.1 TFLOPS

Radeon Instinct MI300

VS

RTX A5500

Graphics Card

Jan 2023

Release Date

Mar 2022

Radeon Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1080 MHz

1700 MHz

Boost Clock

1665 MHz

1600 MHz

Memory Clock

2000 MHz

Memory

128GB

Memory Size

24GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

384bit

3277GB/s

Bandwidth

768.0GB/s

Render Config

220

Compute Units

-

SM Count

80

14080

Shading Units

10240

880

TMUs

320

0

ROPs

96

880

Tensor Cores

320

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

6 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

159.8 GPixel/s

1496 GTexel/s

Texture Rate

532.8 GTexel/s

383.0 TFLOPS

FP16 (half)

34.10 TFLOPS

47.87 TFLOPS

FP32 (float)

34.10 TFLOPS

47.87 TFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

600W

TDP

230W

1000 W

Suggested PSU

550 W

No outputs

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Aqua Vanjaram

GPU Name

GA102

-

CDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

153 billion

Transistors

28.3 billion

1017 mm²

Die Size

628 mm²

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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