Radeon HD 7850 and GeForce RTX 4080 Mobile - video card comparison

Radeon HD 7850

GeForce RTX 4080 Mobile

Architecture

GCN 1.0 (2012−2020)

Ada Lovelace

GPU code name

Pitcairn

GN21-X9

Market segment

Desktop

Laptop

Release date

March 2012

January 2023

Bus support

PCIe 2.1 x16

-

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

-

Boost clock speed

1000 MHz

2280 MHz

Core clock speed

-

1860 MHz

Floating-point performance

1,761 gflops

-

Manufacturing process technology

28 nm

5 nm

Number of transistors

2,800 million

35,800 million

Pipelines / CUDA cores

1024

7424

Power consumption (TDP)

130 Watt

150 Watt (60 - 150 Watt TGP)

Texture fill rate

55.04

386.3

Memory type

GDDR5

GDDR6X

Maximum RAM amount

2 GB

12 GB

Memory bus width

256 Bit

192 Bit

Memory clock speed

1200 MHz

20000 MHz

Memory bandwidth

153.6 GB/s

432.0 GB/s

Shared memory

-

-

Display Connectors

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

Portable Device Dependent

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

12

12 Ultimate (12_2)

CUDA

-

8.9

Mantle

-

-

OpenCL

1.2

3.0

OpenGL

4.6

4.6

Shader Model

5.1

6.7

Vulkan

+

1.3

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-