Radeon HD 7850 and Radeon RX 540X - video card comparison

Radeon HD 7850

Radeon RX 540X

Architecture

GCN 1.0 (2012−2020)

GCN 4.0 (2016−2020)

GPU code name

Pitcairn

Polaris 12

Market segment

Desktop

Laptop

Release date

March 2012

March 2018

Bus support

PCIe 2.1 x16

-

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

1x 6-pin

None

Boost clock speed

1000 MHz

1219 MHz

Floating-point performance

1,761 gflops

-

Manufacturing process technology

28 nm

14 nm

Number of transistors

2,800 million

2,200 million

Pipelines / CUDA cores

1024

512

Power consumption (TDP)

130 Watt

50 Watt

Texture fill rate

55.04

35.97

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1200 MHz

6000 MHz

Memory bandwidth

153.6 GB/s

112.0 GB/s

Shared memory

-

-

Display Connectors

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

1x DVI, 1x HDMI, 1x DisplayPort

Eyefinity

1

-

HDMI

+

+

DisplayPort support

-

-

DirectX

12

12 (12_0)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.6

4.6

Shader Model

5.1

6.4

Vulkan

+

1.2.131

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

FreeSync

1

+

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-