AMD Radeon Instinct MI325X vs NVIDIA GeForce RTX 4090

VS

AMD Radeon Instinct MI325X

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Released 2 years and 1 months late

More VRAM (288GB vs 24GB)

Larger VRAM bandwidth (10.3TB/s vs 1.01TB/s)

3072 additional rendering cores

NVIDIA GeForce RTX 4090 's Advantages

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

Lower TDP (450W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X

81.72 TFLOPS

GeForce RTX 4090 +1%

82.58 TFLOPS

Radeon Instinct MI325X

VS

GeForce RTX 4090

Graphics Card

Oct 2024

Release Date

Sep 2022

Radeon Instinct(MIx)

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

2235 MHz

2100 MHz

Boost Clock

2520 MHz

2525 MHz

Memory Clock

1313 MHz

Memory

288GB

Memory Size

24GB

HBM3e

Memory Type

GDDR6X

8192bit

Memory Bus

384bit

10.3TB/s

Bandwidth

1.01TB/s

Render Config

304

Compute Units

-

SM Count

128

19456

Shading Units

16384

1216

TMUs

512

0

ROPs

176

1216

Tensor Cores

512

-

RT Cores

128

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

72 MB

256 MB

L3 Cache

-

Theoretical Performance

0 MPixel/s

Pixel Rate

443.5 GPixel/s

2554 GTexel/s

Texture Rate

1290 GTexel/s

653.7 TFLOPS

FP16 (half)

82.58 TFLOPS

81.72 TFLOPS

FP32 (float)

82.58 TFLOPS

81.72 TFLOPS

FP64 (double)

1290 GFLOPS

Board Design

750W

TDP

450W

1150 W

Suggested PSU

850 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

Aqua Vanjaram

GPU Name

AD102

-

GPU Variant

AD102-300-A1

CDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

153 billion

Transistors

76.3 billion

1017 mm²

Die Size

609 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

8.9

N/A

Shader Model

6.8

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