Radeon HD 6770 and GeForce GTX 960 OEM - video card comparison

Radeon HD 6770

GeForce GTX 960 OEM

Architecture

TeraScale 2 (2009−2015)

Maxwell 2.0 (2015−2019)

GPU code name

Juniper

GM206

Market segment

Desktop

Desktop

Release date

January 2011

November 2015

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

None

Boost clock speed

900 MHz

1201 MHz

Core clock speed

-

924 MHz

Floating-point performance

1,360.0 gflops

2,460 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

1,040 million

2,940 million

Pipelines / CUDA cores

800

1024

Power consumption (TDP)

108 Watt

-

Texture fill rate

34.00

76.86

Memory type

GDDR5

GDDR5

Maximum RAM amount

1 GB

4 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1050 MHz

7012 MHz

Memory bandwidth

76.8 GB/s

112.2 GB/s

Display Connectors

2x DVI, 1x HDMI, 2x mini-DisplayPort

No outputs

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12 (12_1)

CUDA

-

5.2

Mantle

-

-

OpenCL

1.2

1.2

OpenGL

4.4

4.6

Shader Model

5.0

6.4

Vulkan

-

1.1.126

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-