Radeon R7 265 and Radeon HD 4670 - video card comparison

Radeon R7 265

Radeon HD 4670

Architecture

GCN 1.0 (2012−2020)

TeraScale (2005−2013)

GPU code name

Pitcairn

RV730

Market segment

Desktop

Desktop

Release date

February 2014

September 2008

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1 x 6-pin

None

Boost clock speed

925 MHz

-

Core clock speed

-

750 MHz

Floating-point performance

1,894 gflops

480.0 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

2,800 million

514 million

Pipelines / CUDA cores

1024

320

Power consumption (TDP)

150 Watt

59 Watt

Texture fill rate

59.20

24.00

Memory type

GDDR5

GDDR3

Maximum RAM amount

4 GB

512 MB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1400 MHz

2000 MHz

Memory bandwidth

179.2 GB/s

32 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

2x DVI, 1x S-Video

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

10.1 (10_1)

Mantle

-

-

OpenCL

1.2

1.1

OpenGL

4.6

3.3

Shader Model

5.1

4.1

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-