Radeon R9 M390X and GeForce RTX 4090 Ti - video card comparison

Radeon R9 M390X

GeForce RTX 4090 Ti

Architecture

GCN 3 (2014−2016)

Ada Lovelace

GPU code name

Amethyst (XT) / Tonga

AD102

Market segment

Laptop

Desktop

Release date

June 2015

2023

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

None

2x 16-pin

Boost clock speed

-

2565 MHz

Core clock speed

723 MHz

-

Floating-point performance

2,961 gflops

-

Manufacturing process technology

28 nm

5 nm

Number of transistors

5,000 million

76,300 million

Pipelines / CUDA cores

2048

18176

Power consumption (TDP)

100 Watt

600 Watt

Texture fill rate

92.54

1,457

Memory type

GDDR5

GDDR6X

Maximum RAM amount

4 GB

24 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

-

24 GB/s

Memory bandwidth

160.0 GB/s

1,152 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

Eyefinity

1

-

HDMI

-

+

DirectX

DirectX® 12

12 Ultimate (12_2)

CUDA

-

8.9

Mantle

+

-

OpenCL

Not Listed

3.0

OpenGL

4.4

4.6

Shader Model

6.3

6.7

Vulkan

+

1.3

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

-

HD3D

+

-

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-