GeForce RTX 4090 Mobile and Radeon E8870 MXM - video card comparison

GeForce RTX 4090 Mobile

Radeon E8870 MXM

Architecture

Ada Lovelace

GCN 2.0 (2013−2017)

GPU code name

GN21-X11

Saturn

Market segment

Laptop

Desktop

Release date

January 2023

September 2015

Interface

PCIe 4.0 x16

MXM-B (3.0)

Supplementary power connectors

None

Boost clock speed

2040 MHz

Core clock speed

1000 MHz

Manufacturing process technology

5 nm

28 nm

Number of transistors

45,900 million

2,080 million

Pipelines / CUDA cores

9728

768

Power consumption (TDP)

150 Watt (80 - 150 Watt TGP)

75 Watt

Texture fill rate

515.3

48.00

Memory type

GDDR6

GDDR5

Maximum RAM amount

16 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

20000 MHz

6 GB/s

Memory bandwidth

576.0 GB/s

96 GB/s

Shared memory

Display Connectors

Portable Device Dependent

DirectX

12 Ultimate (12_2)

12 (12_0)

CUDA

8.9

OpenCL

3.0

2.1

OpenGL

4.6

Shader Model

6.7

6.5 (6.0)

Vulkan

1.3

1.2.170