Radeon HD 6990 and GeForce RTX 4090 Ti - video card comparison

Radeon HD 6990

GeForce RTX 4090 Ti

Architecture

TeraScale 3 (2010−2013)

Ada Lovelace

GPU code name

Antilles

AD102

Market segment

Desktop

Release date

March 2011

2023

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

2x 16-pin

Boost clock speed

2565 MHz

Core clock speed

830 MHz

Floating-point performance

2x 2,549.8 gflops

Manufacturing process technology

40 nm

5 nm

Number of transistors

2,640 million

76,300 million

Pipelines / CUDA cores

1536

18176

Power consumption (TDP)

375 Watt

600 Watt

Texture fill rate

79.68

1,457

Memory type

GDDR5

GDDR6X

Maximum RAM amount

2 GB

24 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

5000 MHz

24 GB/s

Memory bandwidth

160.0 GB/s

1,152 GB/s

Display Connectors

1x DVI, 4x mini-DisplayPort

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

11.2 (11_0)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

1.2

3.0

OpenGL

4.4

4.6

Shader Model

5.0

6.7

Vulkan

N/A

1.3