Radeon X800 XT Mac Edition and GeForce RTX 3080 Mobile - video card comparison

Radeon X800 XT Mac Edition

GeForce RTX 3080 Mobile

Architecture

R400 (2004−2008)

Ampere (2020−2022)

GPU code name

R423

GN20-E7 GA104

Market segment

Desktop

Laptop

Release date

December 2004

January 2021

Interface

AGP Pro 8x

PCIe 4.0 x16

Supplementary power connectors

None

Boost clock speed

1245 - 1710 MHz

Core clock speed

475 MHz

780 - 1100 MHz

Manufacturing process technology

130 nm

8 nm

Number of transistors

160 million

17,400 million

Pipelines / CUDA cores

6144

Power consumption (TDP)

54 Watt

150 Watt (80 - 150 Watt TGP)

Texture fill rate

7.600

296.6

Memory type

GDDR3

GDDR6

Maximum RAM amount

256 MB

16 GB

Memory bus width

256 Bit

Memory clock speed

1000 MHz

14000 MHz

Memory bandwidth

32 GB/s

384.0 GB/s

Shared memory

Display Connectors

2x DVI

No outputs

DirectX

9.0b (9_2)

12 Ultimate (12_2)

CUDA

8.6

OpenCL

N/A

2.0

OpenGL

2.0

4.6

Shader Model

6.5

Vulkan

N/A

1.2