Radeon Sky 700 and RTX A400 - video card comparison

Radeon Sky 700

RTX A400

Architecture

GCN 1.0 (2012−2020)

Ampere (2020−2022)

GPU code name

Tahiti

GA107

Market segment

Desktop

Desktop

Release date

March 2013

April 2024

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

None

Boost clock speed

-

1762 MHz

Core clock speed

900 MHz

-

Floating-point performance

3,226 gflops

-

Manufacturing process technology

28 nm

8 nm

Number of transistors

4,313 million

8,700 million

Pipelines / CUDA cores

1792

768

Power consumption (TDP)

225 Watt

50 Watt

Texture fill rate

100.8

42.29

Memory type

GDDR5

GDDR6

Maximum RAM amount

6 GB

4 GB

Memory bus width

384 Bit

64 Bit

Memory clock speed

5500 MHz

12 GB/s

Memory bandwidth

176 GB/s

96 GB/s

Display Connectors

1x DisplayPort

4x mini-DisplayPort 1.4a

DisplayPort count

1

-

Dual-link DVI support

1

-

DirectX

12 (11_1)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

1.2

3.0

OpenGL

4.6

4.6

Shader Model

5.1

6.7

Vulkan

1.2.131

1.3