Radeon R7 M275DX and GeForce 845M - video card comparison

Radeon R7 M275DX

GeForce 845M

Architecture

GCN (2011−2017)

Maxwell (2014−2018)

GPU code name

-

GM108

Market segment

Laptop

Laptop

Release date

June 2014

March 2014

Interface

-

PCIe 3.0 x8

Boost clock speed

-

1150 MHz

Core clock speed

-

1071 MHz

Floating-point performance

-

883.7 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

-

1,870 million

Pipelines / CUDA cores

896

384

Power consumption (TDP)

-

45 Watt

Texture fill rate

-

37.63

Memory type

DDR3

DDR3, GDDR5

Maximum RAM amount

-

2 GB

Memory bus width

-

64/128 Bit

Memory clock speed

-

2000 - 5000 MHz

Memory bandwidth

-

40.1 GB/s

Shared memory

+

-

Display Connectors

-

No outputs

Eyefinity

+

-

DirectX

12

12 (11_0)

CUDA

-

+

OpenCL

-

1.2

OpenGL

-

4.6

Shader Model

-

5.1

Vulkan

-

1.1.126

AppAcceleration

+

-

Optimus

-

+