Radeon R6 M340DX and GeForce RTX 4090 - video card comparison

Radeon R6 M340DX

GeForce RTX 4090

Architecture

GCN (2011−2017)

Ada Lovelace

GPU code name

Jet

AD102-300-A1

Market segment

Laptop

Desktop

Release date

June 2015

September 2022

Interface

IGP

PCIe 4.0 x16

Supplementary power connectors

1x 16-pin

Boost clock speed

1030 MHz

2520 MHz

Core clock speed

2235 MHz

Manufacturing process technology

28 nm

5 nm

Number of transistors

690 million

76,300 million

Pipelines / CUDA cores

704

16384

Power consumption (TDP)

450 Watt

Texture fill rate

24.72

1,290

Memory type

DDR3

GDDR6X

Maximum RAM amount

System Shared

24 GB

Memory bus width

System Shared

384 Bit

Memory clock speed

System Shared

21000 MHz

Memory bandwidth

1,008 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

1.2

3.0

OpenGL

4.6

Shader Model

5.1

6.6

Vulkan

1.2.131

1.3