Radeon R7 265 and Radeon R5 A320 - video card comparison

Radeon R7 265

Radeon R5 A320

Architecture

GCN 1.0 (2012−2020)

GCN 1.0 (2012−2020)

GPU code name

Pitcairn

Jet

Market segment

Desktop

Desktop

Release date

February 2014

2015

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

1 x 6-pin

-

Boost clock speed

925 MHz

825 MHz

Core clock speed

-

750 MHz

Floating-point performance

1,894 gflops

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

2,800 million

690 million

Pipelines / CUDA cores

1024

320

Power consumption (TDP)

150 Watt

-

Texture fill rate

59.20

16.50

Memory type

GDDR5

DDR3

Maximum RAM amount

4 GB

1 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

1400 MHz

2 GB/s

Memory bandwidth

179.2 GB/s

16 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

Portable Device Dependent

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

12 (11_1)

Mantle

-

-

OpenCL

1.2

2.1 (1.2)

OpenGL

4.6

4.6

Shader Model

5.1

6.5 (5.1)

Vulkan

-

1.2.170

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-