GeForce GTX 670M and Radeon R9 290X2 - video card comparison

GeForce GTX 670M

Radeon R9 290X2

Architecture

Fermi (2010−2014)

GCN 2.0 (2013−2017)

GPU code name

N13E-GS1-LP

Hawaii

Market segment

Laptop

Desktop

Release date

March 2012

June 2014

Bus support

PCI Express 2.0

-

Interface

MXM-B (3.0)

PCIe 3.0 x16

Supplementary power connectors

-

4x 8-pin

SLI options

+

-

Core clock speed

598 MHz

1000 MHz

CUDA cores

336

-

Floating-point performance

803.7 gflops

2x 5,632 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

1,950 million

6,200 million

Pipelines / CUDA cores

336

2816

Power consumption (TDP)

75 Watt

580 Watt

Texture fill rate

33.5 billion/sec

176.0

Memory type

GDDR5

GDDR5

Maximum RAM amount

3 GB

4 GB

Memory bus width

192bit

512 Bit

Memory clock speed

1500 MHz

5400 MHz

Memory bandwidth

72.0 GB/s

345.6 GB/s

Shared memory

-

-

Display Connectors

No outputs

2x DVI, 1x HDMI, 1x DisplayPort

HDMI

+

+

HDCP

+

-

Maximum VGA resolution

Up to 2048x1536

-

DirectX

12 API

12 (12_0)

CUDA

+

-

OpenCL

1.1

2.0

OpenGL

4.5

4.6

Shader Model

5.1

6.3

Vulkan

N/A

1.2.131

Optimus

+

-