Radeon HD 7850 and A30 PCIe - video card comparison

Radeon HD 7850

A30 PCIe

Architecture

GCN 1.0 (2012−2020)

Ampere (2020−2022)

GPU code name

Pitcairn

GA100

Market segment

Desktop

Desktop

Release date

March 2012

April 2021

Bus support

PCIe 2.1 x16

-

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

8-pin EPS

Boost clock speed

1000 MHz

1440 MHz

Floating-point performance

1,761 gflops

-

Manufacturing process technology

28 nm

7 nm

Number of transistors

2,800 million

54,200 million

Pipelines / CUDA cores

1024

3584

Power consumption (TDP)

130 Watt

165 Watt

Texture fill rate

55.04

322.6

Memory type

GDDR5

HBM2

Maximum RAM amount

2 GB

24 GB

Memory bus width

256 Bit

3072 Bit

Memory clock speed

1200 MHz

2.4 GB/s

Memory bandwidth

153.6 GB/s

933.1 GB/s

Display Connectors

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

No outputs

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

12

N/A

CUDA

-

8.0

Mantle

-

-

OpenCL

1.2

3.0

OpenGL

4.6

N/A

Shader Model

5.1

N/A

Vulkan

+

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-