AMD Instinct MI300X vs NVIDIA RTX A4000 Mobile

VS

AMD Instinct MI300X

NVIDIA RTX A4000 Mobile

We compared two Professional market GPUs: 192GB VRAM AMD Instinct MI300X and 8GB VRAM RTX A4000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 25% (2100MHz vs 1680MHz)

More VRAM (192GB vs 8GB)

Larger VRAM bandwidth (5300GB/s vs 384.0GB/s)

14336 additional rendering cores

NVIDIA RTX A4000 Mobile 's Advantages

Lower TDP (115W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +850%

163.4 TFLOPS

RTX A4000 Mobile

17.2 TFLOPS

AMD Instinct MI300X

VS

RTX A4000 Mobile

Graphics Card

Dec 2023

Release Date

Apr 2021

Instinct

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1140 MHz

2100 MHz

Boost Clock

1680 MHz

5200 MHz

Memory Clock

1500 MHz

Memory

192GB

Memory Size

8GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

256bit

5300GB/s

Bandwidth

384.0GB/s

Render Config

304

Compute Units

-

SM Count

40

19456

Shading Units

5120

880

TMUs

160

0

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

4 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

134.4 GPixel/s

1496 GTexel/s

Texture Rate

268.8 GTexel/s

1300 TFLOPS

FP16 (half)

17.20 TFLOPS

163.4 TFLOPS

FP32 (float)

17.20 TFLOPS

81.7 TFLOPS

FP64 (double)

268.8 GFLOPS

Board Design

750W

TDP

115W

1000 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

MI300

GPU Name

GA104

-

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

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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