Radeon R5 Graphics and GeForce GT 620 - video card comparison

Radeon R5 Graphics

GeForce GT 620

Architecture

GCN 2.0 (2013−2017)

Fermi (2010−2014)

GPU code name

Spectre SL

GF108

Market segment

Desktop

Desktop

Release date

September 2014

May 2012

Bus support

-

PCI Express 2.0

Interface

IGP

PCIe 2.0 x16

Supplementary power connectors

-

None

Boost clock speed

720 MHz

-

Core clock speed

497 MHz

700 MHz

CUDA cores

-

96

Floating-point performance

388.1 gflops

268.8 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

2,410 million

585 million

Pipelines / CUDA cores

256

96

Power consumption (TDP)

15 Watt

49 Watt

Maximum GPU temperature

-

98 °C

Texture fill rate

7.952

11.2 billion/sec

Memory type

System Shared

DDR3

Maximum RAM amount

System Shared

1 GB

Memory bus width

System Shared

64 Bit

Memory clock speed

System Shared

1.8 GB/s

Memory bandwidth

-

14.4 GB/s

Display Connectors

No outputs

Dual Link DVI-I, HDMI, VGA

Multi monitor support

-

+

HDMI

-

+

HDCP

-

+

Maximum VGA resolution

-

2048x1536

Audio input for HDMI

-

Internal

DirectX

12 (12_0)

12 (11_0)

CUDA

-

+

OpenCL

2.0

1.1

OpenGL

4.6

4.2

Shader Model

6.0

5.1

Vulkan

1.2.131

N/A

3D Blu-Ray

-

+