GeForce 940M and Mobility Radeon HD 4850 - video card comparison

GeForce 940M

Mobility Radeon HD 4850

Architecture

Maxwell (2014−2018)

Terascale 1 (2008−2010)

GPU code name

N16S-GT-S/B

M98

Market segment

Laptop

Release date

March 2015

January 2009

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x8

PCIe 2.0 x16

Boost clock speed

1176 MHz

Core clock speed

1072 MHz

500 MHz

Floating-point performance

903.2 gflops

800.0 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

1,870 million

956 million

Pipelines / CUDA cores

384

800

Power consumption (TDP)

75 Watt

Texture fill rate

28.22

20.00

Memory type

DDR3

GDDR3

Maximum RAM amount

4 GB

1 GB

Memory bus width

64 Bit

256 Bit

Memory clock speed

2000 MHz

850 MHz

Memory bandwidth

14.4 GB/s

54.4 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (11_0)

10.1 (10_1)

CUDA

OpenCL

1.2

1.1

OpenGL

4.5

3.3

Shader Model

5.1

4.1

Vulkan

1.1.126

N/A

GameWorks

GPU Boost

2.0

Optimus