Radeon HD 7770M and Radeon R5 M330 - video card comparison

Radeon HD 7770M

Radeon R5 M330

Architecture

GCN (2011−2017)

GCN 1.0 (2012−2020)

GPU code name

Chelsea XT

Exo Pro DDR3

Market segment

Laptop

Laptop

Release date

April 2012

May 2015

Bus support

-

PCIe 3.0

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

-

None

Boost clock speed

-

1030 MHz

Compute units

-

5

Core clock speed

675 MHz

1030 MHz

Floating-point performance

691.2 gflops

659.2 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

1,500 million

690 million

Pipelines / CUDA cores

512

320

Power consumption (TDP)

32 Watt

18 Watt

Texture fill rate

21.60

20.60

Memory type

GDDR5

DDR3

Maximum RAM amount

1 GB

4 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

4000 MHz

1000 MHz

Memory bandwidth

64 GB/s

14.4 GB/s

Shared memory

-

-

Display Connectors

No outputs

No outputs

DirectX

12 (11_1)

DirectX® 12

Mantle

-

+

OpenCL

1.2

Not Listed

OpenGL

4.6

4.4

Shader Model

5.1

5.0

Vulkan

1.2.131

+

AppAcceleration

-

-

DualGraphics

-

1

Enduro

-

-

HD3D

-

+

PowerTune

-

+

Switchable graphics

-

1

TrueAudio

-

-

ZeroCore

-

+