GeForce GTX 660 OEM and Radeon R5 (Bristol Ridge) - video card comparison

GeForce GTX 660 OEM

Radeon R5 (Bristol Ridge)

Architecture

Kepler (2012−2018)

GCN 1.2/2.0 (2015−2016)

GPU code name

GK104

Bristol Ridge

Market segment

Desktop

Laptop

Release date

August 2012

June 2016

Interface

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

Boost clock speed

888 MHz

800 MHz

Core clock speed

823 MHz

Floating-point performance

2,046 gflops

Manufacturing process technology

28 nm

Number of transistors

3,540 million

3100 Million

Pipelines / CUDA cores

1152

384

Power consumption (TDP)

130 Watt

12-45 Watt

Texture fill rate

85.25

Memory type

GDDR5

Maximum RAM amount

2 GB

Memory bus width

256 Bit

64/128 Bit

Memory clock speed

5600 MHz

Memory bandwidth

179.2 GB/s

Shared memory

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

HDMI

DirectX

12 (11_0)

12 (FL 12_0)

CUDA

3.0

OpenCL

1.2

OpenGL

4.6

Shader Model

5.1

Vulkan

1.1.126