GeForce GT 620 and Radeon HD 8830M - video card comparison

GeForce GT 620

Radeon HD 8830M

Architecture

Fermi (2010−2014)

GCN (2011−2017)

GPU code name

GF108

Venus

Market segment

Desktop

Laptop

Release date

May 2012

December 2012

Bus support

PCI Express 2.0

-

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

None

-

Boost clock speed

-

625 MHz

Core clock speed

700 MHz

575 MHz

CUDA cores

96

-

Floating-point performance

268.8 gflops

800.0 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

585 million

1,500 million

Pipelines / CUDA cores

96

640

Power consumption (TDP)

49 Watt

-

Maximum GPU temperature

98 °C

-

Texture fill rate

11.2 billion/sec

25.00

Memory type

DDR3

DDR3

Maximum RAM amount

1 GB

2 GB

Memory bus width

64 Bit

128 Bit

Memory clock speed

1.8 GB/s

2000 MHz

Memory bandwidth

14.4 GB/s

32 GB/s

Shared memory

-

-

Display Connectors

Dual Link DVI-I, HDMI, VGA

No outputs

Multi monitor support

+

-

HDMI

+

-

HDCP

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

12 (11_1)

CUDA

+

-

OpenCL

1.1

1.2

OpenGL

4.2

4.6

Shader Model

5.1

5.1

Vulkan

N/A

1.2.131

3D Blu-Ray

+

-