Radeon R7 250X and Radeon HD 7470 OEM - video card comparison

Radeon R7 250X

Radeon HD 7470 OEM

Architecture

GCN 1.0 (2012−2020)

TeraScale 2 (2009−2015)

GPU code name

Cape Verde

Caicos

Market segment

Desktop

Desktop

Release date

February 2014

January 2012

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

1000 MHz

-

Core clock speed

-

750 MHz

Floating-point performance

1,216 gflops

240.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,500 million

370 million

Pipelines / CUDA cores

640

160

Power consumption (TDP)

80 Watt

27 Watt

Texture fill rate

38.00

6.000

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

1 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

1625 MHz

3600 MHz

Memory bandwidth

96 GB/s

28.8 GB/s

Display Connectors

1x DVI, 1x HDMI, 2x mini-DisplayPort

1x DVI, 1x DisplayPort

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

11.2 (11_0)

Mantle

-

-

OpenCL

1.2

1.2

OpenGL

4.6

4.4

Shader Model

5.1

5.0

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-