Radeon RX 470 and Radeon HD 7770M - video card comparison

Radeon RX 470

Radeon HD 7770M

Architecture

Polaris (2016−2019)

GCN (2011−2017)

GPU code name

Polaris 10 Pro

Chelsea XT

Market segment

Desktop

Laptop

Release date

August 2016

April 2012

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

-

Boost clock speed

1206 MHz

-

Core clock speed

926 MHz

675 MHz

Floating-point performance

4,940 gflops

691.2 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

5,700 million

1,500 million

Pipelines / CUDA cores

2048

512

Power consumption (TDP)

120 Watt

32 Watt

Texture fill rate

154.4

21.60

Memory type

GDDR5

GDDR5

Maximum RAM amount

8 GB

1 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

6600 MHz

4000 MHz

Memory bandwidth

211.2 GB/s

64 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

HDMI

+

-

DirectX

12 (12_0)

12 (11_1)

OpenCL

2.0

1.2

OpenGL

4.6

4.6

Shader Model

6.4

5.1

Vulkan

1.2.131

1.2.131

FreeSync

+

-