Radeon HD 6790 and GeForce 940MX - video card comparison

Passmark - benchmark score Radeon HD 6790 vs GeForce 940MX

Radeon HD 6790

1664

GeForce 940MX

1561

Radeon HD 6790

GeForce 940MX

Architecture

Terascale 2 (2009−2015)

Maxwell (2014−2018)

GPU code name

Barts

N16S-GTR-B/S

Market segment

Desktop

Laptop

Release date

April 2011

March 2016

Bus support

PCI Express 3.0

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

2x 6-pin

None

Boost clock speed

1242 MHz

Core clock speed

840 MHz

1122 MHz

Floating-point performance

1,344.0 gflops

762.6 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

1,700 million

1,870 million

Pipelines / CUDA cores

800

384

Power consumption (TDP)

150 Watt

23 Watt

Texture fill rate

33.60

23.83

Memory type

GDDR5

DDR3, GDDR5

Maximum RAM amount

1 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

1050 MHz

4000 MHz

Memory bandwidth

134.4 GB/s

40.1 GB/s

Shared memory

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

DirectX

11.2 (11_0)

12 (11_0)

CUDA

OpenCL

1.2

OpenGL

4.4

4.5

Shader Model

5.0

5.1

Vulkan

N/A

1.1

GameWorks

GPU Boost

2.0

Optimus