AMD Radeon Instinct MI300X vs NVIDIA RTX A5000

VS

AMD Radeon Instinct MI300X NVIDIA RTX A5000

We compared two Professional market GPUs: 192GB VRAM Radeon Instinct MI300X and 24GB VRAM RTX A5000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300X 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 24% (2100MHz vs 1695MHz)

More VRAM (192GB vs 24GB)

Larger VRAM bandwidth (5171GB/s vs 768.0GB/s)

11264 additional rendering cores

NVIDIA RTX A5000 's Advantages

Lower TDP (230W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300X +194%

81.72 TFLOPS

RTX A5000

27.77 TFLOPS

Radeon Instinct MI300X

VS

RTX A5000

Graphics Card

Dec 2023

Release Date

Apr 2021

Radeon Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1170 MHz

2100 MHz

Boost Clock

1695 MHz

2525 MHz

Memory Clock

2000 MHz

Memory

192GB

Memory Size

24GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

384bit

5171GB/s

Bandwidth

768.0GB/s

Render Config

-

SM Count

64

304

Compute Units

-

19456

Shading Units

8192

1216

TMUs

256

0

ROPs

96

1216

Tensor Cores

256

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

6 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

162.7 GPixel/s

2554 GTexel/s

Texture Rate

433.9 GTexel/s

653.7 TFLOPS

FP16 (half)

27.77 TFLOPS

81.72 TFLOPS

FP32 (float)

27.77 TFLOPS

81.72 TFLOPS

FP64 (double)

433.9 GFLOPS

Graphics Processor

Aqua Vanjaram

GPU Name

GA102

-

GPU Variant

-

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

Board Design

750W

TDP

230W

1150 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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