GeForce RTX 3090 and Radeon Sky 900 - video card comparison

GeForce RTX 3090

Radeon Sky 900

Architecture

Ampere (2020−2022)

GCN 1.0 (2012−2020)

GPU code name

Ampere GA102

Tahiti

Market segment

Desktop

Desktop

Release date

September 2020

March 2013

Bus support

-

PCIe 3.0

Interface

PCIe 4.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 12-pin

2x 8-pin

Boost clock speed

1700 MHz

950 MHz

Core clock speed

1400 MHz

825 MHz

Floating-point performance

-

2x 3,405 gflops

Manufacturing process technology

8 nm

28 nm

Number of transistors

28,300 million

4,313 million

Pipelines / CUDA cores

10496

3584

Power consumption (TDP)

350 Watt

300 Watt

Texture fill rate

556.0

106.4

Memory type

GDDR6X

GDDR5

Maximum RAM amount

24 GB

6 GB

Memory bus width

384 Bit

384 Bit

Memory clock speed

19500 MHz

5000 MHz

Memory bandwidth

936.2 GB/s

480 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 3x DisplayPort

1x DVI, 1x mini-DisplayPort

Dual-link DVI support

-

1

HDMI

+

-

DirectX

12 Ultimate (12_2)

12 (11_1)

CUDA

8.5

-

OpenCL

2.0

1.2

OpenGL

4.6

4.6

Shader Model

6.5

5.1

Vulkan

1.2

1.2.131