Radeon R9 M295X Mac Edition and GeForce RTX 3080 12 GB - video card comparison

Radeon R9 M295X Mac Edition

GeForce RTX 3080 12 GB

Architecture

GCN 3.0 (2014−2017)

Ampere (2020−2022)

GPU code name

Amethyst

Ampere GA102

Market segment

Desktop

Release date

November 2014

January 2022

Interface

MXM-B (3.0)

PCIe 4.0 x16

Supplementary power connectors

1x 12-pin

Boost clock speed

1260 MHz

Core clock speed

850 MHz

Floating-point performance

3,482 gflops

Manufacturing process technology

28 nm

8 nm

Number of transistors

5,000 million

28,300 million

Pipelines / CUDA cores

2048

8960

Power consumption (TDP)

250 Watt

350 Watt

Texture fill rate

108.8

478.8

Memory type

GDDR5

GDDR6X

Maximum RAM amount

4 GB

12 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

5448 MHz

1710 MHz

Memory bandwidth

174.3 GB/s

912.4 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

12 (12_0)

12 Ultimate (12_2)

CUDA

8.6

OpenCL

2.0

3.0

OpenGL

4.6

Shader Model

6.3

6.6

Vulkan

1.2.131

1.3