NVIDIA GeForce RTX 4090 vs AMD Radeon Instinct MI250X

VS

NVIDIA GeForce RTX 4090 AMD Radeon Instinct MI250X

We compared a Desktop platform GPU: 24GB VRAM GeForce RTX 4090 and a Professional market GPU: 128GB VRAM Radeon Instinct MI250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 10 months late

Boost Clock has increased by 48% (2520MHz vs 1700MHz)

2304 additional rendering cores

Lower TDP (450W vs 500W)

AMD Radeon Instinct MI250X 's Advantages

More VRAM (128GB vs 24GB)

Larger VRAM bandwidth (3277GB/s vs 1008GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +72%

82.58 TFLOPS

Radeon Instinct MI250X

47.87 TFLOPS

GeForce RTX 4090

VS

Radeon Instinct MI250X

Graphics Card

Sep 2022

Release Date

Nov 2021

GeForce 40

Generation

Radeon Instinct

Desktop

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1000 MHz

2520 MHz

Boost Clock

1700 MHz

1313 MHz

Memory Clock

1600 MHz

Memory

24GB

Memory Size

128GB

GDDR6X

Memory Type

HBM2e

384bit

Memory Bus

8192bit

1008GB/s

Bandwidth

3277GB/s

Render Config

128

SM Count

-

Compute Units

220

16384

Shading Units

14080

512

TMUs

880

176

ROPs

0

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

16 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

0 MPixel/s

1290 GTexel/s

Texture Rate

1496 GTexel/s

82.58 TFLOPS

FP16 (half)

383.0 TFLOPS

82.58 TFLOPS

FP32 (float)

47.87 TFLOPS

1290 GFLOPS

FP64 (double)

47.87 TFLOPS

Graphics Processor

AD102

GPU Name

Aldebaran

AD102-300-A1

GPU Variant

Aldebaran XT

Ada Lovelace

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

6 nm

76.3 billion

Transistors

58.2 billion

609 mm²

Die Size

Unknown

Board Design

450W

TDP

500W

850 W

Suggested PSU

900 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

N/A

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