AMD Instinct MI300X vs NVIDIA GeForce RTX 4090 D

VS

AMD Instinct MI300X NVIDIA GeForce RTX 4090 D

We compared a Professional market GPU: 192GB VRAM AMD Instinct MI300X and a Desktop platform GPU: 24GB VRAM GeForce RTX 4090 D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

More VRAM (192GB vs 24GB)

Larger VRAM bandwidth (5300GB/s vs 1008GB/s)

4864 additional rendering cores

NVIDIA GeForce RTX 4090 D 's Advantages

Boost Clock has increased by 20% (2520MHz vs 2100MHz)

Lower TDP (425W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +122%

163.4 TFLOPS

GeForce RTX 4090 D

73.54 TFLOPS

AMD Instinct MI300X

VS

GeForce RTX 4090 D

Graphics Card

Dec 2023

Release Date

Dec 2023

Instinct

Generation

GeForce 40

Professional

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

2280 MHz

2100 MHz

Boost Clock

2520 MHz

5200 MHz

Memory Clock

1313 MHz

Memory

192GB

Memory Size

24GB

HBM3

Memory Type

GDDR6X

8192bit

Memory Bus

384bit

5300GB/s

Bandwidth

1008GB/s

Render Config

-

SM Count

114

304

Compute Units

-

19456

Shading Units

14592

880

TMUs

456

0

ROPs

176

-

Tensor Cores

456

-

RT Cores

114

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

72 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

443.5 GPixel/s

1496 GTexel/s

Texture Rate

1149 GTexel/s

1300 TFLOPS

FP16 (half)

73.54 TFLOPS

163.4 TFLOPS

FP32 (float)

73.54 TFLOPS

81.7 TFLOPS

FP64 (double)

1149 GFLOPS

Graphics Processor

MI300

GPU Name

AD102

-

GPU Variant

AD102-250-A1

CDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

146 billion

Transistors

76.3 billion

1017 mm²

Die Size

609 mm²

Board Design

750W

TDP

425W

1000 W

Suggested PSU

800 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-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

8.9

N/A

Shader Model

6.7

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