Radeon HD 8790M and GeForce RTX 4090 Ti - video card comparison

Radeon HD 8790M

GeForce RTX 4090 Ti

Architecture

GCN (2011−2017)

Ada Lovelace

GPU code name

Mars XTX

AD102

Market segment

Laptop

Desktop

Release date

November 2012

2023

Interface

MXM-A (3.0)

PCIe 4.0 x16

Supplementary power connectors

None

2x 16-pin

Boost clock speed

900 MHz

2565 MHz

Core clock speed

850 MHz

Floating-point performance

691.2 gflops

Manufacturing process technology

28 nm

5 nm

Number of transistors

950 million

76,300 million

Pipelines / CUDA cores

384

18176

Power consumption (TDP)

unknown

600 Watt

Texture fill rate

21.60

1,457

Memory type

GDDR5

GDDR6X

Maximum RAM amount

2 GB

24 GB

Memory bus width

128 Bit

384 Bit

Memory clock speed

4500 MHz

24 GB/s

Memory bandwidth

64 GB/s

1,152 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

6.7

Vulkan

1.2.131

1.3