Radeon HD 7770M and Radeon RX Vega 7 - video card comparison

Radeon HD 7770M

Radeon RX Vega 7

Architecture

GCN (2011−2017)

Vega (2017−2021)

GPU code name

Chelsea XT

Vega Raven Ridge

Market segment

Laptop

Laptop

Release date

April 2012

January 2020

Interface

PCIe 2.0 x16

-

Boost clock speed

-

1800 MHz

Core clock speed

675 MHz

-

Floating-point performance

691.2 gflops

-

Manufacturing process technology

28 nm

7 nm

Number of transistors

1,500 million

-

Pipelines / CUDA cores

512

448

Power consumption (TDP)

32 Watt

15 Watt

Texture fill rate

21.60

-

Memory type

GDDR5

-

Maximum RAM amount

1 GB

-

Memory bus width

128 Bit

-

Memory clock speed

4000 MHz

-

Memory bandwidth

64 GB/s

-

Shared memory

-

+

Display Connectors

No outputs

-

DirectX

12 (11_1)

12_1

OpenCL

1.2

-

OpenGL

4.6

-

Shader Model

5.1

-

Vulkan

1.2.131

-