Radeon RX 550 Mobile and Radeon HD 6770 - video card comparison

Radeon RX 550 Mobile

Radeon HD 6770

Architecture

Polaris (2016−2019)

TeraScale 2 (2009−2015)

GPU code name

Polaris 12

Juniper

Market segment

Laptop

Desktop

Release date

March 2017

January 2011

Bus support

-

PCIe 2.0 x16

Interface

PCIe 3.0 x8

PCIe 2.0 x16

Supplementary power connectors

-

1x 6-pin

Boost clock speed

1476 MHz

900 MHz

Core clock speed

1287 MHz

-

Floating-point performance

1,647 gflops

1,360.0 gflops

Manufacturing process technology

14 nm

40 nm

Number of transistors

2,200 million

1,040 million

Pipelines / CUDA cores

640

800

Power consumption (TDP)

50 Watt

108 Watt

Texture fill rate

51.48

34.00

Memory type

GDDR5

GDDR5

Maximum RAM amount

4 GB

1 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

6000 MHz

1050 MHz

Memory bandwidth

96 GB/s

76.8 GB/s

Shared memory

-

-

Display Connectors

No outputs

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

Eyefinity

-

1

HDMI

-

+

DisplayPort support

-

-

DirectX

12 (12_0)

DirectX® 11

Mantle

-

-

OpenCL

2.0

1.2

OpenGL

4.6

4.4

Shader Model

6.4

5.0

Vulkan

1.2.131

-

AppAcceleration

-

-

CrossFire

-

1

Enduro

-

-

FreeSync

+

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-