GeForce GTX 660M and Radeon R5 220 OEM - video card comparison

GeForce GTX 660M

Radeon R5 220 OEM

Architecture

Kepler (2012−2018)

TeraScale 2 (2009−2015)

GPU code name

N13E-GE

Cedar

Market segment

Laptop

Desktop

Release date

March 2012

December 2013

Bus support

PCI Express 2.0, PCI Express 3.0

-

Interface

MXM-B (3.0)

PCIe 2.0 x16

Supplementary power connectors

-

None

SLI options

+

-

Boost clock speed

950 MHz

-

Core clock speed

835 MHz

650 MHz

CUDA cores

384

-

Floating-point performance

729.6 gflops

104.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,270 million

292 million

Pipelines / CUDA cores

384

80

Power consumption (TDP)

50 Watt

19 Watt

Texture fill rate

30.4 billion/sec

5.200

Memory type

GDDR5

DDR3

Maximum RAM amount

2 GB

1 GB

Memory bus width

128bit

64 Bit

Memory clock speed

2000 MHz

1066 MHz

Memory bandwidth

64.0 GB/s

8.528 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x DVI, 1x HDMI, 1x VGA

HDMI

+

+

HDCP

+

-

Maximum VGA resolution

Up to 2048x1536

-

DirectX

12 API

11.2 (11_0)

CUDA

+

-

OpenCL

1.1

1.2

OpenGL

4.5

4.4

Shader Model

5.1

5.0

Vulkan

1.1.126

N/A

Optimus

+

-