AMD Radeon Instinct MI300 vs NVIDIA RTX A4000

VS

AMD Radeon Instinct MI300 NVIDIA RTX A4000

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI300 and 16GB VRAM RTX A4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 9% (1700MHz vs 1560MHz)

More VRAM (128GB vs 16GB)

Larger VRAM bandwidth (3277GB/s vs 448.0GB/s)

7936 additional rendering cores

NVIDIA RTX A4000 's Advantages

Lower TDP (140W vs 600W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300 +149%

47.87 TFLOPS

RTX A4000

19.17 TFLOPS

Radeon Instinct MI300

VS

RTX A4000

Graphics Card

Jan 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

735 MHz

1700 MHz

Boost Clock

1560 MHz

1600 MHz

Memory Clock

1750 MHz

Memory

128GB

Memory Size

16GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

256bit

3277GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

48

220

Compute Units

-

14080

Shading Units

6144

880

TMUs

192

0

ROPs

96

880

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

4 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

149.8 GPixel/s

1496 GTexel/s

Texture Rate

299.5 GTexel/s

383.0 TFLOPS

FP16 (half)

19.17 TFLOPS

47.87 TFLOPS

FP32 (float)

19.17 TFLOPS

47.87 TFLOPS

FP64 (double)

299.5 GFLOPS

Graphics Processor

Aqua Vanjaram

GPU Name

GA104

-

GPU Variant

GA104-875-A1

CDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

153 billion

Transistors

17.4 billion

1017 mm²

Die Size

392 mm²

Board Design

600W

TDP

140W

1000 W

Suggested PSU

300 W

No outputs

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-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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