Radeon R7 265 and Radeon X1950 XTX - video card comparison

Radeon R7 265

Radeon X1950 XTX

Architecture

GCN 1.0 (2012−2020)

R500 (2005−2007)

GPU code name

Pitcairn

R580+

Market segment

Desktop

Desktop

Release date

February 2014

October 2006

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 1.0 x16

Supplementary power connectors

1 x 6-pin

1x 6-pin

Boost clock speed

925 MHz

-

Core clock speed

-

650 MHz

Floating-point performance

1,894 gflops

-

Manufacturing process technology

28 nm

90 nm

Number of transistors

2,800 million

384 million

Pipelines / CUDA cores

1024

-

Power consumption (TDP)

150 Watt

125 Watt

Texture fill rate

59.20

10.40

Memory type

GDDR5

GDDR4

Maximum RAM amount

4 GB

512 MB

Memory bus width

256 Bit

256 Bit

Memory clock speed

1400 MHz

2000 MHz

Memory bandwidth

179.2 GB/s

64 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

2x DVI, 1x S-Video

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

9.0c (9_3)

Mantle

-

-

OpenCL

1.2

N/A

OpenGL

4.6

2.0

Shader Model

5.1

3.0

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-