Radeon HD 4890 and GeForce RTX 4090 Ti - video card comparison

Radeon HD 4890

GeForce RTX 4090 Ti

Architecture

TeraScale (2005−2013)

Ada Lovelace

GPU code name

RV790

AD102

Market segment

Desktop

Release date

April 2009

2023

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 6-pin

2x 16-pin

Boost clock speed

2565 MHz

Core clock speed

850 MHz

Floating-point performance

1,360.0 gflops

Manufacturing process technology

55 nm

5 nm

Number of transistors

959 million

76,300 million

Pipelines / CUDA cores

800

18176

Power consumption (TDP)

190 Watt

600 Watt

Texture fill rate

34.00

1,457

Memory type

GDDR5

GDDR6X

Maximum RAM amount

1 GB

24 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

3900 MHz

24 GB/s

Memory bandwidth

124.8 GB/s

1,152 GB/s

Display Connectors

2x DVI, 1x S-Video

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

10.1 (10_1)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

1.1

3.0

OpenGL

3.3

4.6

Shader Model

4.1

6.7

Vulkan

N/A

1.3