GeForce 820M and Radeon Vega 7 Mobile - video card comparison

GeForce 820M

Radeon Vega 7 Mobile

Architecture

Fermi (2010−2014)

GCN 5.1 (2018−2021)

GPU code name

N15V-GM

Cezanne

Market segment

Laptop

Laptop

Release date

January 2014

April 2021

Bus support

PCI Express 2.0

-

Interface

PCIe 2.0 x16

IGP

Boost clock speed

-

1900 MHz

Core clock speed

775 MHz

-

Floating-point performance

240.0 gflops

-

Manufacturing process technology

28 nm

7 nm

Number of transistors

585 million

9,800 million

Pipelines / CUDA cores

96

448

Power consumption (TDP)

15 Watt

45 Watt

Texture fill rate

10.00

53.20

Memory type

DDR3

System Shared

Maximum RAM amount

2 GB

System Shared

Memory bus width

64 Bit

System Shared

Memory clock speed

1800 MHz

System Shared

Memory bandwidth

14.4 GB/s

-

Shared memory

-

-

Display Connectors

No outputs

No outputs

DirectX

12 (11_0)

12 (12_1)

CUDA

+

-

OpenCL

1.1

2.1

OpenGL

4.5

4.6

Shader Model

5.1

6.4

Vulkan

N/A

1.2

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-