Radeon R7 265 and Quadro P400 - video card comparison

Radeon R7 265

Quadro P400

Architecture

GCN 1.0 (2012−2020)

Pascal (2016−2021)

GPU code name

Pitcairn

GP107

Market segment

Desktop

Workstation

Release date

February 2014

February 2017

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

1 x 6-pin

None

Boost clock speed

925 MHz

1252 MHz

Core clock speed

-

1228 MHz

Floating-point performance

1,894 gflops

679.9 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

2,800 million

3,300 million

Pipelines / CUDA cores

1024

256

Power consumption (TDP)

150 Watt

30 Watt

Texture fill rate

59.20

20.03

Memory type

GDDR5

GDDR5

Maximum RAM amount

4 GB

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

1400 MHz

4008 MHz

Memory bandwidth

179.2 GB/s

32.06 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

3x mini-DisplayPort

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

12 (12_1)

CUDA

-

6.1

Mantle

-

-

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

5.1

6.4

Vulkan

-

1.2.131

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-