Radeon Sky 700 and Radeon 620 - video card comparison

Radeon Sky 700

Radeon 620

Architecture

GCN 1.0 (2012−2020)

GCN 1.0 (2012−2020)

GPU code name

Tahiti

Polaris 24

Market segment

Desktop

Laptop

Release date

March 2013

August 2019

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

1x 8-pin

None

Boost clock speed

-

1024 MHz

Core clock speed

900 MHz

-

Floating-point performance

3,226 gflops

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

4,313 million

1,550 million

Pipelines / CUDA cores

1792

384

Power consumption (TDP)

225 Watt

50 Watt

Texture fill rate

100.8

24.58

Memory type

GDDR5

DDR3, GDDR5

Maximum RAM amount

6 GB

4 GB

Memory bus width

384 Bit

64 Bit

Memory clock speed

5500 MHz

2250 MHz

Memory bandwidth

176 GB/s

14.4 GB/s

Shared memory

-

-

Display Connectors

1x DisplayPort

No outputs

DisplayPort count

1

-

Dual-link DVI support

1

-

DirectX

12 (11_1)

12 (12_0)

OpenCL

1.2

2.0

OpenGL

4.6

4.6

Shader Model

5.1

6.3

Vulkan

1.2.131

1.2.131