Radeon R7 250 and Radeon HD 4730 - video card comparison

Radeon R7 250

Radeon HD 4730

Architecture

GCN (2011−2017)

TeraScale (2005−2013)

GPU code name

Oland XT

RV770

Market segment

Desktop

Desktop

Release date

October 2013

June 2009

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x8

PCIe 2.0 x16

Supplementary power connectors

N/A

1x 6-pin

Boost clock speed

1050 MHz

-

Core clock speed

-

750 MHz

Floating-point performance

716.8 gflops

960.0 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

950 million

956 million

Pipelines / CUDA cores

384

640

Power consumption (TDP)

75 Watt

110 Watt

Texture fill rate

25.20

24.00

Memory type

DDR3, GDDR5

GDDR5

Maximum RAM amount

2 GB

512 MB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1150 MHz

3600 MHz

Memory bandwidth

72 GB/s

57.6 GB/s

Shared memory

-

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

2x DVI, 1x S-Video

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

-

-