GeForce GT 620 and Radeon R7 Graphics - video card comparison

GeForce GT 620

Radeon R7 Graphics

Architecture

Fermi (2010−2014)

GCN 2.0 (2013−2017)

GPU code name

GF108

Spectre

Market segment

Desktop

Desktop

Release date

May 2012

January 2014

Bus support

PCI Express 2.0

-

Interface

PCIe 2.0 x16

IGP

Supplementary power connectors

None

-

Boost clock speed

-

980 MHz

Core clock speed

700 MHz

686 MHz

CUDA cores

96

-

Floating-point performance

268.8 gflops

526.8 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

585 million

2,410 million

Pipelines / CUDA cores

96

512

Power consumption (TDP)

49 Watt

15 Watt

Maximum GPU temperature

98 °C

-

Texture fill rate

11.2 billion/sec

31.36

Memory type

DDR3

System Shared

Maximum RAM amount

1 GB

System Shared

Memory bus width

64 Bit

System Shared

Memory clock speed

1.8 GB/s

System Shared

Memory bandwidth

14.4 GB/s

-

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 (12_0)

CUDA

+

-

OpenCL

1.1

2.0

OpenGL

4.2

4.6

Shader Model

5.1

6.0

Vulkan

N/A

1.2.131

3D Blu-Ray

+

-