Radeon R9 M395 Mac Edition and T400 - video card comparison

Radeon R9 M395 Mac Edition

T400

Architecture

GCN 2.0 (2013−2017)

Turing (2018−2021)

GPU code name

Grenada

TU117

Market segment

Desktop

Release date

May 2015

May 2021

Interface

MXM-B (3.0)

PCIe 3.0 x16

Supplementary power connectors

None

Boost clock speed

1425 MHz

Core clock speed

834 MHz

Floating-point performance

2,989 gflops

Manufacturing process technology

28 nm

12 nm

Number of transistors

6,200 million

4,700 million

Pipelines / CUDA cores

1792

384

Power consumption (TDP)

250 Watt

30 Watt

Texture fill rate

93.41

34.20

Memory type

GDDR5

GDDR6

Maximum RAM amount

4 GB

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

5460 MHz

10 GB/s

Memory bandwidth

174.7 GB/s

80 GB/s

Display Connectors

No outputs

3x mini-DisplayPort

DirectX

12 (12_0)

12 (12_1)

CUDA

7.5

OpenCL

2.0

3.0

OpenGL

4.6

Shader Model

6.3

6.6

Vulkan

1.2.131

1.2