Radeon HD 6750 and Radeon HD 4750 - video card comparison

Radeon HD 6750

Radeon HD 4750

Architecture

TeraScale 2 (2009−2015)

TeraScale (2005−2013)

GPU code name

Juniper

RV740

Market segment

Desktop

Desktop

Release date

January 2011

September 2009

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

1x 6-pin

Boost clock speed

900 MHz

-

Core clock speed

-

730 MHz

Floating-point performance

1,008.0 gflops

934.4 gflops

Manufacturing process technology

40 nm

40 nm

Number of transistors

1,040 million

826 million

Pipelines / CUDA cores

720

640

Power consumption (TDP)

86 Watt

100 Watt

Texture fill rate

25.20

23.36

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

512 MB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1050 MHz

3200 MHz

Memory bandwidth

73.6 GB/s

51.2 GB/s

Display Connectors

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

2x DVI, 1x S-Video

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

10.1 (10_1)

Mantle

-

-

OpenCL

1.2

1.1

OpenGL

4.4

3.3

Shader Model

5.0

4.1

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-