GeForce 840M and Radeon IGP 330M - video card comparison

GeForce 840M

Radeon IGP 330M

Architecture

Maxwell (2014−2018)

Rage 6 (2000−2007)

GPU code name

N15S-GT

RS200

Market segment

Laptop

Desktop

Release date

March 2014

May 2002

Bus support

PCI Express 2.0, PCI Express 3.0

-

Interface

PCIe 3.0 x8

AGP 4x

Supplementary power connectors

-

None

Boost clock speed

1124 MHz

-

Core clock speed

1029 MHz

183 MHz

Floating-point performance

863.2 gflops

-

Manufacturing process technology

28 nm

180 nm

Number of transistors

-

30 million

Pipelines / CUDA cores

384

-

Power consumption (TDP)

33 Watt

-

Texture fill rate

17.98

0.37

Memory type

DDR3

System Shared

Maximum RAM amount

4 GB

System Shared

Memory bus width

64 Bit

System Shared

Memory clock speed

2000 MHz

System Shared

Memory bandwidth

16.02 GB/s

-

Shared memory

-

-

Display Connectors

No outputs

No outputs

DirectX

12 (11_0)

7.0

CUDA

+

-

OpenCL

1.2

N/A

OpenGL

4.5

1.4

Shader Model

5.1

-

Vulkan

1.1.126

N/A

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-