A800 PCIe 40 GB and Radeon 780M - video card comparison

A800 PCIe 40 GB

Radeon 780M

Architecture

Ampere (2020−2022)

RDNA 3

GPU code name

GA100

Phoenix

Market segment

Desktop

Laptop

Release date

November 2022

January 2023

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

8-pin EPS

None

Boost clock speed

1410 MHz

3000 MHz

Core clock speed

-

1500 MHz

Manufacturing process technology

7 nm

4 nm

Number of transistors

54,200 million

25,390 million

Pipelines / CUDA cores

6912

768

Power consumption (TDP)

250 Watt

54 Watt (35 - 54 Watt TGP)

Texture fill rate

609.1

139.2

Memory type

HBM2e

System Shared

Maximum RAM amount

40 GB

System Shared

Memory bus width

5120 Bit

System Shared

Memory clock speed

2.4 GB/s

System Shared

Memory bandwidth

1,555 GB/s

-

Shared memory

-

+

Display Connectors

No outputs

Portable Device Dependent

DirectX

N/A

12 Ultimate (12_2)

CUDA

8.0

-

OpenCL

3.0

2.1

OpenGL

N/A

4.6

Shader Model

N/A

6.7

Vulkan

N/A

1.3