Radeon R7 265 and GeForce 6600 - video card comparison

Radeon R7 265

GeForce 6600

Architecture

GCN 1.0 (2012−2020)

Curie (2003−2013)

GPU code name

Pitcairn

NV43 A2

Market segment

Desktop

Desktop

Release date

February 2014

August 2004

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 1.0 x16

Supplementary power connectors

1 x 6-pin

None

Boost clock speed

925 MHz

-

Core clock speed

-

300 MHz

Floating-point performance

1,894 gflops

-

Manufacturing process technology

28 nm

110 nm

Number of transistors

2,800 million

146 million

Pipelines / CUDA cores

1024

-

Power consumption (TDP)

150 Watt

-

Texture fill rate

59.20

2.400

Memory type

GDDR5

DDR

Maximum RAM amount

4 GB

256 MB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1400 MHz

500 MHz

Memory bandwidth

179.2 GB/s

8 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x DVI, 1x VGA, 1x S-Video

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

9.0c (9_3)

Mantle

-

-

OpenCL

1.2

N/A

OpenGL

4.6

2.1

Shader Model

5.1

3.0

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-