GeForce GTX 490 and Radeon 620 - video card comparison

GeForce GTX 490

Radeon 620

Architecture

Fermi (2010−2014)

GCN 1.0 (2012−2020)

GPU code name

GF100

Polaris 24

Market segment

Desktop

Laptop

Release date

-

August 2019

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

2x 8-pin

None

Boost clock speed

-

1024 MHz

Core clock speed

608 MHz

-

Manufacturing process technology

40 nm

28 nm

Number of transistors

3,100 million

1,550 million

Pipelines / CUDA cores

480

384

Power consumption (TDP)

365 Watt

50 Watt

Texture fill rate

36.48

24.58

Memory type

GDDR5

DDR3, GDDR5

Maximum RAM amount

1536 MB

4 GB

Memory bus width

384 Bit

64 Bit

Memory clock speed

3.4 GB/s

2250 MHz

Memory bandwidth

164.0 GB/s

14.4 GB/s

Shared memory

-

-

Display Connectors

3x DVI, 1x mini-DisplayPort

No outputs

DirectX

12 (11_0)

12 (12_0)

CUDA

2.0

-

OpenCL

1.1

2.0

OpenGL

4.6

4.6

Shader Model

5.1

6.3

Vulkan

N/A

1.2.131