Radeon HD 7950 Boost and GeForce RTX 4090 - video card comparison

Radeon HD 7950 Boost

GeForce RTX 4090

Architecture

GCN 1.0 (2012−2020)

Ada Lovelace

GPU code name

Tahiti

AD102-300-A1

Market segment

Desktop

Release date

June 2012

September 2022

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 6-pin

1x 16-pin

Boost clock speed

925 MHz

2520 MHz

Core clock speed

850 MHz

2235 MHz

Floating-point performance

3,315 gflops

Manufacturing process technology

28 nm

5 nm

Number of transistors

4,313 million

76,300 million

Pipelines / CUDA cores

1792

16384

Power consumption (TDP)

200 Watt

450 Watt

Texture fill rate

103.6

1,290

Memory type

GDDR5

GDDR6X

Maximum RAM amount

3 GB

24 GB

Memory bus width

384 Bit

Memory clock speed

5000 MHz

21000 MHz

Memory bandwidth

240.0 GB/s

1,008 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI, 2x mini-DisplayPort

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