Radeon RX 580 Mobile and Radeon HD 7850 - video card comparison

Radeon RX 580 Mobile

Radeon HD 7850

Architecture

Polaris (2016−2019)

GCN 1.0 (2012−2020)

GPU code name

Polaris

Pitcairn

Market segment

Laptop

Desktop

Release date

April 2017

March 2012

Bus support

-

PCIe 2.1 x16

Interface

MXM-B (3.0)

PCIe 3.0 x16

Supplementary power connectors

-

1x 6-pin

Boost clock speed

1077 MHz

1000 MHz

Core clock speed

1000 MHz

-

Floating-point performance

4,963 gflops

1,761 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

5,700 million

2,800 million

Pipelines / CUDA cores

2304

1024

Power consumption (TDP)

100 Watt

130 Watt

Texture fill rate

155.1

55.04

Memory type

GDDR5

GDDR5

Maximum RAM amount

8 GB

2 GB

Memory bus width

256 Bit

256 Bit

Memory clock speed

8000 MHz

1200 MHz

Memory bandwidth

256.0 GB/s

153.6 GB/s

Shared memory

-

-

Display Connectors

No outputs

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

Eyefinity

-

1

HDMI

-

+

DisplayPort support

-

-

DirectX

12 (12_0)

12

Mantle

-

-

OpenCL

2.0

1.2

OpenGL

4.6

4.6

Shader Model

6.4

5.1

Vulkan

1.2.131

+

AppAcceleration

-

-

CrossFire

-

1

Enduro

-

-

FreeSync

-

1

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-