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

GeForce 940MX

Mobility Radeon HD 4850

Architecture

Maxwell (2014−2018)

Terascale 1 (2008−2010)

GPU code name

N16S-GTR-B/S

M98

Market segment

Laptop

Release date

March 2016

January 2009

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x8

PCIe 2.0 x16

Supplementary power connectors

None

Boost clock speed

1242 MHz

Core clock speed

1122 MHz

500 MHz

Floating-point performance

762.6 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)

23 Watt

Texture fill rate

23.83

20.00

Memory type

DDR3, GDDR5

GDDR3

Maximum RAM amount

4 GB

1 GB

Memory bus width

64 Bit

256 Bit

Memory clock speed

4000 MHz

850 MHz

Memory bandwidth

40.1 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

N/A

GameWorks

GPU Boost

2.0

Optimus