Radeon Sky 900 and UHD Graphics 770 - video card comparison

Radeon Sky 900

UHD Graphics 770

Architecture

GCN 1.0 (2012−2020)

Alder Lake

GPU code name

Tahiti

Alder Lake xG

Market segment

Desktop

Desktop

Release date

March 2013

January 2022

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

Ring Bus

Supplementary power connectors

2x 8-pin

-

Boost clock speed

950 MHz

300 MHz

Core clock speed

825 MHz

-

Floating-point performance

2x 3,405 gflops

-

Manufacturing process technology

28 nm

10 nm

Number of transistors

4,313 million

-

Pipelines / CUDA cores

3584

32

Power consumption (TDP)

300 Watt

15 Watt

Texture fill rate

106.4

26.40

Memory type

GDDR5

System Shared

Maximum RAM amount

6 GB

System Shared

Memory bus width

384 Bit

System Shared

Memory clock speed

5000 MHz

1550 MHz

Memory bandwidth

480 GB/s

-

Shared memory

-

-

Display Connectors

1x DVI, 1x mini-DisplayPort

No outputs

Dual-link DVI support

1

-

DirectX

12 (11_1)

12 (12_1)

OpenCL

1.2

3.0

OpenGL

4.6

4.6

Shader Model

5.1

6.4

Vulkan

1.2.131

1.3