GeForce 945M and Radeon HD 6830M - video card comparison

GeForce 945M

Radeon HD 6830M

Architecture

Maxwell (2014−2018)

Terascale 2 (2009−2015)

GPU code name

GM107

Granville-LP

Market segment

Laptop

Laptop

Release date

March 2015

January 2011

Bus support

PCI Express 3.0

-

Interface

MXM-B (3.0)

PCIe 2.0 x16

Supplementary power connectors

None

-

Boost clock speed

1045 MHz

-

Core clock speed

928 MHz

575 MHz

Floating-point performance

953.9 gflops

920.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,870 million

1,040 million

Pipelines / CUDA cores

512

800

Power consumption (TDP)

75 Watt

24 Watt

Texture fill rate

40.80

23.00

Memory type

DDR3

DDR3, GDDR3

Maximum RAM amount

4 GB

1 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

2000 MHz

900 MHz

Memory bandwidth

28.8 GB/s

25.6 GB/s

Shared memory

-

-

Display Connectors

No outputs

No outputs

DirectX

12 (11_0)

11.2 (11_0)

CUDA

+

-

OpenCL

1.2

1.2

OpenGL

4.5

4.4

Shader Model

5.1

5.0

Vulkan

1.1.126

N/A

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-